amiro-os / tools / cpplint / python / cpplint_unittest.py @ 6b53f6bf
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| 1 | e545e620 | Thomas Schöpping | #!/usr/bin/python
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| 2 | # -*- coding: utf-8; -*-
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| 3 | #
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| 4 | # Copyright (c) 2009 Google Inc. All rights reserved.
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| 5 | #
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| 6 | # Redistribution and use in source and binary forms, with or without
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| 7 | # modification, are permitted provided that the following conditions are
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| 8 | # met:
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| 9 | #
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| 10 | # * Redistributions of source code must retain the above copyright
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| 11 | # notice, this list of conditions and the following disclaimer.
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| 12 | # * Redistributions in binary form must reproduce the above
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| 13 | # copyright notice, this list of conditions and the following disclaimer
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| 14 | # in the documentation and/or other materials provided with the
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| 15 | # distribution.
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| 16 | # * Neither the name of Google Inc. nor the names of its
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| 17 | # contributors may be used to endorse or promote products derived from
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| 18 | # this software without specific prior written permission.
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| 19 | #
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| 20 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| 21 | # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| 22 | # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| 23 | # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| 24 | # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 25 | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 26 | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 27 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 28 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 29 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 30 | # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 31 | |||
| 32 | """Unit test for cpplint.py."""
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| 33 | |||
| 34 | # TODO(unknown): Add a good test that tests UpdateIncludeState.
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| 35 | |||
| 36 | import codecs |
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| 37 | import os |
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| 38 | import random |
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| 39 | import re |
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| 40 | import sys |
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| 41 | import unittest |
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| 42 | |||
| 43 | import cpplint |
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| 44 | |||
| 45 | |||
| 46 | # This class works as an error collector and replaces cpplint.Error
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| 47 | # function for the unit tests. We also verify each category we see
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| 48 | # is in cpplint._ERROR_CATEGORIES, to help keep that list up to date.
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| 49 | class ErrorCollector(object): |
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| 50 | # These are a global list, covering all categories seen ever.
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| 51 | _ERROR_CATEGORIES = cpplint._ERROR_CATEGORIES |
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| 52 | _SEEN_ERROR_CATEGORIES = {}
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| 53 | |||
| 54 | def __init__(self, assert_fn): |
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| 55 | """assert_fn: a function to call when we notice a problem."""
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| 56 | self._assert_fn = assert_fn
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| 57 | self._errors = []
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| 58 | cpplint.ResetNolintSuppressions() |
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| 59 | |||
| 60 | def __call__(self, unused_filename, linenum, |
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| 61 | category, confidence, message): |
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| 62 | self._assert_fn(category in self._ERROR_CATEGORIES, |
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| 63 | 'Message "%s" has category "%s",'
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| 64 | ' which is not in _ERROR_CATEGORIES' % (message, category))
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| 65 | self._SEEN_ERROR_CATEGORIES[category] = 1 |
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| 66 | if cpplint._ShouldPrintError(category, confidence, linenum):
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| 67 | self._errors.append('%s [%s] [%d]' % (message, category, confidence)) |
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| 68 | |||
| 69 | def Results(self): |
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| 70 | if len(self._errors) < 2: |
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| 71 | return ''.join(self._errors) # Most tests expect to have a string. |
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| 72 | else:
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| 73 | return self._errors # Let's give a list if there is more than one. |
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| 74 | |||
| 75 | def ResultList(self): |
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| 76 | return self._errors |
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| 77 | |||
| 78 | def VerifyAllCategoriesAreSeen(self): |
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| 79 | """Fails if there's a category in _ERROR_CATEGORIES~_SEEN_ERROR_CATEGORIES.
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| 80 |
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| 81 | This should only be called after all tests are run, so
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| 82 | _SEEN_ERROR_CATEGORIES has had a chance to fully populate. Since
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| 83 | this isn't called from within the normal unittest framework, we
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| 84 | can't use the normal unittest assert macros. Instead we just exit
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| 85 | when we see an error. Good thing this test is always run last!
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| 86 | """
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| 87 | for category in self._ERROR_CATEGORIES: |
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| 88 | if category not in self._SEEN_ERROR_CATEGORIES: |
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| 89 | sys.exit('FATAL ERROR: There are no tests for category "%s"' % category)
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| 90 | |||
| 91 | def RemoveIfPresent(self, substr): |
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| 92 | for (index, error) in enumerate(self._errors): |
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| 93 | if error.find(substr) != -1: |
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| 94 | self._errors = self._errors[0:index] + self._errors[(index + 1):] |
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| 95 | break
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| 96 | |||
| 97 | |||
| 98 | # This class is a lame mock of codecs. We do not verify filename, mode, or
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| 99 | # encoding, but for the current use case it is not needed.
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| 100 | class MockIo(object): |
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| 101 | |||
| 102 | def __init__(self, mock_file): |
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| 103 | self.mock_file = mock_file
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| 104 | |||
| 105 | def open(self, # pylint: disable-msg=C6409 |
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| 106 | unused_filename, unused_mode, unused_encoding, _): |
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| 107 | return self.mock_file |
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| 108 | |||
| 109 | |||
| 110 | class CpplintTestBase(unittest.TestCase): |
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| 111 | """Provides some useful helper functions for cpplint tests."""
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| 112 | |||
| 113 | def setUp(self): |
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| 114 | # Allow subclasses to cheat os.path.abspath called in FileInfo class.
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| 115 | self.os_path_abspath_orig = os.path.abspath
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| 116 | |||
| 117 | def tearDown(self): |
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| 118 | os.path.abspath = self.os_path_abspath_orig
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| 119 | |||
| 120 | # Perform lint on single line of input and return the error message.
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| 121 | def PerformSingleLineLint(self, code): |
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| 122 | error_collector = ErrorCollector(self.assert_)
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| 123 | lines = code.split('\n')
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| 124 | cpplint.RemoveMultiLineComments('foo.h', lines, error_collector)
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| 125 | clean_lines = cpplint.CleansedLines(lines) |
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| 126 | include_state = cpplint._IncludeState() |
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| 127 | function_state = cpplint._FunctionState() |
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| 128 | nesting_state = cpplint.NestingState() |
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| 129 | cpplint.ProcessLine('foo.cc', 'cc', clean_lines, 0, |
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| 130 | include_state, function_state, |
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| 131 | nesting_state, error_collector) |
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| 132 | # Single-line lint tests are allowed to fail the 'unlintable function'
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| 133 | # check.
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| 134 | error_collector.RemoveIfPresent( |
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| 135 | 'Lint failed to find start of function body.')
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| 136 | return error_collector.Results()
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| 137 | |||
| 138 | # Perform lint over multiple lines and return the error message.
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| 139 | def PerformMultiLineLint(self, code): |
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| 140 | error_collector = ErrorCollector(self.assert_)
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| 141 | lines = code.split('\n')
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| 142 | cpplint.RemoveMultiLineComments('foo.h', lines, error_collector)
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| 143 | lines = cpplint.CleansedLines(lines) |
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| 144 | nesting_state = cpplint.NestingState() |
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| 145 | for i in xrange(lines.NumLines()): |
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| 146 | nesting_state.Update('foo.h', lines, i, error_collector)
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| 147 | cpplint.CheckStyle('foo.h', lines, i, 'h', nesting_state, |
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| 148 | error_collector) |
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| 149 | cpplint.CheckForNonStandardConstructs('foo.h', lines, i,
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| 150 | nesting_state, error_collector) |
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| 151 | nesting_state.CheckCompletedBlocks('foo.h', error_collector)
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| 152 | return error_collector.Results()
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| 153 | |||
| 154 | # Similar to PerformMultiLineLint, but calls CheckLanguage instead of
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| 155 | # CheckForNonStandardConstructs
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| 156 | def PerformLanguageRulesCheck(self, file_name, code): |
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| 157 | error_collector = ErrorCollector(self.assert_)
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| 158 | include_state = cpplint._IncludeState() |
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| 159 | nesting_state = cpplint.NestingState() |
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| 160 | lines = code.split('\n')
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| 161 | cpplint.RemoveMultiLineComments(file_name, lines, error_collector) |
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| 162 | lines = cpplint.CleansedLines(lines) |
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| 163 | ext = file_name[file_name.rfind('.') + 1:] |
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| 164 | for i in xrange(lines.NumLines()): |
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| 165 | cpplint.CheckLanguage(file_name, lines, i, ext, include_state, |
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| 166 | nesting_state, error_collector) |
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| 167 | return error_collector.Results()
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| 168 | |||
| 169 | def PerformFunctionLengthsCheck(self, code): |
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| 170 | """Perform Lint function length check on block of code and return warnings.
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| 171 |
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| 172 | Builds up an array of lines corresponding to the code and strips comments
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| 173 | using cpplint functions.
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| 174 |
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| 175 | Establishes an error collector and invokes the function length checking
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| 176 | function following cpplint's pattern.
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| 177 |
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| 178 | Args:
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| 179 | code: C++ source code expected to generate a warning message.
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| 180 |
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| 181 | Returns:
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| 182 | The accumulated errors.
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| 183 | """
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| 184 | file_name = 'foo.cc'
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| 185 | error_collector = ErrorCollector(self.assert_)
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| 186 | function_state = cpplint._FunctionState() |
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| 187 | lines = code.split('\n')
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| 188 | cpplint.RemoveMultiLineComments(file_name, lines, error_collector) |
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| 189 | lines = cpplint.CleansedLines(lines) |
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| 190 | for i in xrange(lines.NumLines()): |
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| 191 | cpplint.CheckForFunctionLengths(file_name, lines, i, |
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| 192 | function_state, error_collector) |
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| 193 | return error_collector.Results()
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| 194 | |||
| 195 | def PerformIncludeWhatYouUse(self, code, filename='foo.h', io=codecs): |
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| 196 | # First, build up the include state.
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| 197 | error_collector = ErrorCollector(self.assert_)
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| 198 | include_state = cpplint._IncludeState() |
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| 199 | nesting_state = cpplint.NestingState() |
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| 200 | lines = code.split('\n')
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| 201 | cpplint.RemoveMultiLineComments(filename, lines, error_collector) |
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| 202 | lines = cpplint.CleansedLines(lines) |
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| 203 | for i in xrange(lines.NumLines()): |
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| 204 | cpplint.CheckLanguage(filename, lines, i, '.h', include_state,
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| 205 | nesting_state, error_collector) |
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| 206 | # We could clear the error_collector here, but this should
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| 207 | # also be fine, since our IncludeWhatYouUse unittests do not
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| 208 | # have language problems.
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| 209 | |||
| 210 | # Second, look for missing includes.
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| 211 | cpplint.CheckForIncludeWhatYouUse(filename, lines, include_state, |
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| 212 | error_collector, io) |
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| 213 | return error_collector.Results()
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| 214 | |||
| 215 | # Perform lint and compare the error message with "expected_message".
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| 216 | def TestLint(self, code, expected_message): |
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| 217 | self.assertEquals(expected_message, self.PerformSingleLineLint(code)) |
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| 218 | |||
| 219 | def TestMultiLineLint(self, code, expected_message): |
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| 220 | self.assertEquals(expected_message, self.PerformMultiLineLint(code)) |
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| 221 | |||
| 222 | def TestMultiLineLintRE(self, code, expected_message_re): |
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| 223 | message = self.PerformMultiLineLint(code)
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| 224 | if not re.search(expected_message_re, message): |
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| 225 | self.fail('Message was:\n' + message + 'Expected match to "' + |
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| 226 | expected_message_re + '"')
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| 227 | |||
| 228 | def TestLanguageRulesCheck(self, file_name, code, expected_message): |
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| 229 | self.assertEquals(expected_message,
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| 230 | self.PerformLanguageRulesCheck(file_name, code))
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| 231 | |||
| 232 | def TestIncludeWhatYouUse(self, code, expected_message): |
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| 233 | self.assertEquals(expected_message,
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| 234 | self.PerformIncludeWhatYouUse(code))
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| 235 | |||
| 236 | def TestBlankLinesCheck(self, lines, start_errors, end_errors): |
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| 237 | error_collector = ErrorCollector(self.assert_)
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| 238 | cpplint.ProcessFileData('foo.cc', 'cc', lines, error_collector) |
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| 239 | self.assertEquals(
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| 240 | start_errors, |
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| 241 | error_collector.Results().count( |
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| 242 | 'Redundant blank line at the start of a code block '
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| 243 | 'should be deleted. [whitespace/blank_line] [2]'))
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| 244 | self.assertEquals(
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| 245 | end_errors, |
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| 246 | error_collector.Results().count( |
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| 247 | 'Redundant blank line at the end of a code block '
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| 248 | 'should be deleted. [whitespace/blank_line] [3]'))
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| 249 | |||
| 250 | |||
| 251 | class CpplintTest(CpplintTestBase): |
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| 252 | |||
| 253 | def GetNamespaceResults(self, lines): |
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| 254 | error_collector = ErrorCollector(self.assert_)
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| 255 | cpplint.RemoveMultiLineComments('foo.h', lines, error_collector)
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| 256 | lines = cpplint.CleansedLines(lines) |
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| 257 | nesting_state = cpplint.NestingState() |
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| 258 | for i in xrange(lines.NumLines()): |
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| 259 | nesting_state.Update('foo.h', lines, i, error_collector)
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| 260 | cpplint.CheckForNamespaceIndentation('foo.h', nesting_state,
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| 261 | lines, i, error_collector) |
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| 262 | |||
| 263 | return error_collector.Results()
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| 264 | |||
| 265 | def testForwardDeclarationNameSpaceIndentation(self): |
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| 266 | lines = ['namespace Test {',
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| 267 | ' class ForwardDeclaration;',
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| 268 | '} // namespace Test']
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| 269 | |||
| 270 | results = self.GetNamespaceResults(lines)
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| 271 | self.assertEquals(results, 'Do not indent within a namespace ' |
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| 272 | ' [runtime/indentation_namespace] [4]')
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| 273 | |||
| 274 | def testNameSpaceIndentationForClass(self): |
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| 275 | lines = ['namespace Test {',
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| 276 | 'void foo() { }',
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| 277 | ' class Test {',
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| 278 | ' };',
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| 279 | '} // namespace Test']
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| 280 | |||
| 281 | results = self.GetNamespaceResults(lines)
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| 282 | self.assertEquals(results, 'Do not indent within a namespace ' |
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| 283 | ' [runtime/indentation_namespace] [4]')
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| 284 | |||
| 285 | def testNameSpaceIndentationNoError(self): |
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| 286 | lines = ['namespace Test {',
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| 287 | 'void foo() { }',
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| 288 | '} // namespace Test']
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| 289 | |||
| 290 | results = self.GetNamespaceResults(lines)
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| 291 | self.assertEquals(results, '') |
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| 292 | |||
| 293 | def testFalsePositivesNoError(self): |
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| 294 | lines = ['namespace Test {',
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| 295 | 'struct OuterClass {',
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| 296 | ' struct NoFalsePositivesHere;',
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| 297 | ' struct NoFalsePositivesHere member_variable;',
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| 298 | '};',
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| 299 | '} // namespace Test']
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| 300 | |||
| 301 | results = self.GetNamespaceResults(lines)
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| 302 | self.assertEquals(results, '') |
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| 303 | |||
| 304 | |||
| 305 | # Test get line width.
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| 306 | def testGetLineWidth(self): |
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| 307 | self.assertEquals(0, cpplint.GetLineWidth('')) |
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| 308 | self.assertEquals(10, cpplint.GetLineWidth(u'x' * 10)) |
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| 309 | self.assertEquals(16, cpplint.GetLineWidth(u'都|道|府|県|支庁')) |
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| 310 | |||
| 311 | def testGetTextInside(self): |
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| 312 | self.assertEquals('', cpplint._GetTextInside('fun()', r'fun\(')) |
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| 313 | self.assertEquals('x, y', cpplint._GetTextInside('f(x, y)', r'f\(')) |
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| 314 | self.assertEquals('a(), b(c())', cpplint._GetTextInside( |
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| 315 | 'printf(a(), b(c()))', r'printf\(')) |
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| 316 | self.assertEquals('x, y{}', cpplint._GetTextInside('f[x, y{}]', r'f\[')) |
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| 317 | self.assertEquals(None, cpplint._GetTextInside('f[a, b(}]', r'f\[')) |
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| 318 | self.assertEquals(None, cpplint._GetTextInside('f[x, y]', r'f\(')) |
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| 319 | self.assertEquals('y, h(z, (a + b))', cpplint._GetTextInside( |
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| 320 | 'f(x, g(y, h(z, (a + b))))', r'g\(')) |
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| 321 | self.assertEquals('f(f(x))', cpplint._GetTextInside('f(f(f(x)))', r'f\(')) |
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| 322 | # Supports multiple lines.
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| 323 | self.assertEquals('\n return loop(x);\n', |
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| 324 | cpplint._GetTextInside( |
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| 325 | 'int loop(int x) {\n return loop(x);\n}\n', r'\{')) |
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| 326 | # '^' matches the beginning of each line.
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| 327 | self.assertEquals('x, y', |
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| 328 | cpplint._GetTextInside( |
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| 329 | '#include "inl.h" // skip #define\n'
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| 330 | '#define A2(x, y) a_inl_(x, y, __LINE__)\n'
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| 331 | '#define A(x) a_inl_(x, "", __LINE__)\n',
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| 332 | r'^\s*#define\s*\w+\('))
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| 333 | |||
| 334 | def testFindNextMultiLineCommentStart(self): |
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| 335 | self.assertEquals(1, cpplint.FindNextMultiLineCommentStart([''], 0)) |
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| 336 | |||
| 337 | lines = ['a', 'b', '/* c'] |
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| 338 | self.assertEquals(2, cpplint.FindNextMultiLineCommentStart(lines, 0)) |
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| 339 | |||
| 340 | lines = ['char a[] = "/*";'] # not recognized as comment. |
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| 341 | self.assertEquals(1, cpplint.FindNextMultiLineCommentStart(lines, 0)) |
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| 342 | |||
| 343 | def testFindNextMultiLineCommentEnd(self): |
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| 344 | self.assertEquals(1, cpplint.FindNextMultiLineCommentEnd([''], 0)) |
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| 345 | lines = ['a', 'b', ' c */'] |
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| 346 | self.assertEquals(2, cpplint.FindNextMultiLineCommentEnd(lines, 0)) |
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| 347 | |||
| 348 | def testRemoveMultiLineCommentsFromRange(self): |
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| 349 | lines = ['a', ' /* comment ', ' * still comment', ' comment */ ', 'b'] |
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| 350 | cpplint.RemoveMultiLineCommentsFromRange(lines, 1, 4) |
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| 351 | self.assertEquals(['a', '/**/', '/**/', '/**/', 'b'], lines) |
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| 352 | |||
| 353 | def testSpacesAtEndOfLine(self): |
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| 354 | self.TestLint(
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| 355 | '// Hello there ',
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| 356 | 'Line ends in whitespace. Consider deleting these extra spaces.'
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| 357 | ' [whitespace/end_of_line] [4]')
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| 358 | |||
| 359 | # Test line length check.
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| 360 | def testLineLengthCheck(self): |
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| 361 | self.TestLint(
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| 362 | '// Hello',
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| 363 | '')
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| 364 | self.TestLint(
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| 365 | '// ' + 'x' * 80, |
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| 366 | 'Lines should be <= 80 characters long'
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| 367 | ' [whitespace/line_length] [2]')
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| 368 | self.TestLint(
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| 369 | '// ' + 'x' * 100, |
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| 370 | 'Lines should very rarely be longer than 100 characters'
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| 371 | ' [whitespace/line_length] [4]')
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| 372 | self.TestLint(
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| 373 | '// http://g' + ('o' * 100) + 'gle.com/', |
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| 374 | '')
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| 375 | self.TestLint(
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| 376 | '// https://g' + ('o' * 100) + 'gle.com/', |
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| 377 | '')
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| 378 | self.TestLint(
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| 379 | '// https://g' + ('o' * 60) + 'gle.com/ and some comments', |
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| 380 | 'Lines should be <= 80 characters long'
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| 381 | ' [whitespace/line_length] [2]')
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| 382 | self.TestLint(
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| 383 | '// Read https://g' + ('o' * 60) + 'gle.com/', |
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| 384 | '')
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| 385 | self.TestLint(
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| 386 | '// $Id: g' + ('o' * 80) + 'gle.cc#1 $', |
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| 387 | '')
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| 388 | self.TestLint(
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| 389 | '// $Id: g' + ('o' * 80) + 'gle.cc#1', |
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| 390 | 'Lines should be <= 80 characters long'
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| 391 | ' [whitespace/line_length] [2]')
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| 392 | self.TestMultiLineLint(
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| 393 | 'static const char kCStr[] = "g' + ('o' * 50) + 'gle";\n', |
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| 394 | 'Lines should be <= 80 characters long'
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| 395 | ' [whitespace/line_length] [2]')
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| 396 | self.TestMultiLineLint(
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| 397 | 'static const char kRawStr[] = R"(g' + ('o' * 50) + 'gle)";\n', |
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| 398 | '') # no warning because raw string content is elided |
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| 399 | self.TestMultiLineLint(
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| 400 | 'static const char kMultiLineRawStr[] = R"(\n'
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| 401 | 'g' + ('o' * 80) + 'gle\n' |
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| 402 | ')";',
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| 403 | '')
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| 404 | self.TestMultiLineLint(
|
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| 405 | 'static const char kL' + ('o' * 50) + 'ngIdentifier[] = R"()";\n', |
||
| 406 | 'Lines should be <= 80 characters long'
|
||
| 407 | ' [whitespace/line_length] [2]')
|
||
| 408 | |||
| 409 | # Test error suppression annotations.
|
||
| 410 | def testErrorSuppression(self): |
||
| 411 | # Two errors on same line:
|
||
| 412 | self.TestLint(
|
||
| 413 | 'long a = (int64) 65;',
|
||
| 414 | ['Using C-style cast. Use static_cast<int64>(...) instead'
|
||
| 415 | ' [readability/casting] [4]',
|
||
| 416 | 'Use int16/int64/etc, rather than the C type long'
|
||
| 417 | ' [runtime/int] [4]',
|
||
| 418 | ]) |
||
| 419 | # One category of error suppressed:
|
||
| 420 | self.TestLint(
|
||
| 421 | 'long a = (int64) 65; // NOLINT(runtime/int)',
|
||
| 422 | 'Using C-style cast. Use static_cast<int64>(...) instead'
|
||
| 423 | ' [readability/casting] [4]')
|
||
| 424 | # All categories suppressed: (two aliases)
|
||
| 425 | self.TestLint('long a = (int64) 65; // NOLINT', '') |
||
| 426 | self.TestLint('long a = (int64) 65; // NOLINT(*)', '') |
||
| 427 | # Malformed NOLINT directive:
|
||
| 428 | self.TestLint(
|
||
| 429 | 'long a = 65; // NOLINT(foo)',
|
||
| 430 | ['Unknown NOLINT error category: foo'
|
||
| 431 | ' [readability/nolint] [5]',
|
||
| 432 | 'Use int16/int64/etc, rather than the C type long [runtime/int] [4]',
|
||
| 433 | ]) |
||
| 434 | # Irrelevant NOLINT directive has no effect:
|
||
| 435 | self.TestLint(
|
||
| 436 | 'long a = 65; // NOLINT(readability/casting)',
|
||
| 437 | 'Use int16/int64/etc, rather than the C type long'
|
||
| 438 | ' [runtime/int] [4]')
|
||
| 439 | # NOLINTNEXTLINE silences warning for the next line instead of current line
|
||
| 440 | error_collector = ErrorCollector(self.assert_)
|
||
| 441 | cpplint.ProcessFileData('test.cc', 'cc', |
||
| 442 | ['// Copyright 2014 Your Company.',
|
||
| 443 | '// NOLINTNEXTLINE(whitespace/line_length)',
|
||
| 444 | '// ./command' + (' -verbose' * 80), |
||
| 445 | ''],
|
||
| 446 | error_collector) |
||
| 447 | self.assertEquals('', error_collector.Results()) |
||
| 448 | |||
| 449 | # Test Variable Declarations.
|
||
| 450 | def testVariableDeclarations(self): |
||
| 451 | self.TestLint(
|
||
| 452 | 'long a = 65;',
|
||
| 453 | 'Use int16/int64/etc, rather than the C type long'
|
||
| 454 | ' [runtime/int] [4]')
|
||
| 455 | self.TestLint(
|
||
| 456 | 'long double b = 65.0;',
|
||
| 457 | '')
|
||
| 458 | self.TestLint(
|
||
| 459 | 'long long aa = 6565;',
|
||
| 460 | 'Use int16/int64/etc, rather than the C type long'
|
||
| 461 | ' [runtime/int] [4]')
|
||
| 462 | |||
| 463 | # Test C-style cast cases.
|
||
| 464 | def testCStyleCast(self): |
||
| 465 | self.TestLint(
|
||
| 466 | 'int a = (int)1.0;',
|
||
| 467 | 'Using C-style cast. Use static_cast<int>(...) instead'
|
||
| 468 | ' [readability/casting] [4]')
|
||
| 469 | self.TestLint(
|
||
| 470 | 'int a = (int)-1.0;',
|
||
| 471 | 'Using C-style cast. Use static_cast<int>(...) instead'
|
||
| 472 | ' [readability/casting] [4]')
|
||
| 473 | self.TestLint(
|
||
| 474 | 'int *a = (int *)NULL;',
|
||
| 475 | 'Using C-style cast. Use reinterpret_cast<int *>(...) instead'
|
||
| 476 | ' [readability/casting] [4]')
|
||
| 477 | |||
| 478 | self.TestLint(
|
||
| 479 | 'uint16 a = (uint16)1.0;',
|
||
| 480 | 'Using C-style cast. Use static_cast<uint16>(...) instead'
|
||
| 481 | ' [readability/casting] [4]')
|
||
| 482 | self.TestLint(
|
||
| 483 | 'int32 a = (int32)1.0;',
|
||
| 484 | 'Using C-style cast. Use static_cast<int32>(...) instead'
|
||
| 485 | ' [readability/casting] [4]')
|
||
| 486 | self.TestLint(
|
||
| 487 | 'uint64 a = (uint64)1.0;',
|
||
| 488 | 'Using C-style cast. Use static_cast<uint64>(...) instead'
|
||
| 489 | ' [readability/casting] [4]')
|
||
| 490 | |||
| 491 | # These shouldn't be recognized casts.
|
||
| 492 | self.TestLint('u a = (u)NULL;', '') |
||
| 493 | self.TestLint('uint a = (uint)NULL;', '') |
||
| 494 | self.TestLint('typedef MockCallback<int(int)> CallbackType;', '') |
||
| 495 | self.TestLint('scoped_ptr< MockCallback<int(int)> > callback_value;', '') |
||
| 496 | self.TestLint('std::function<int(bool)>', '') |
||
| 497 | self.TestLint('x = sizeof(int)', '') |
||
| 498 | self.TestLint('x = alignof(int)', '') |
||
| 499 | self.TestLint('alignas(int) char x[42]', '') |
||
| 500 | self.TestLint('alignas(alignof(x)) char y[42]', '') |
||
| 501 | self.TestLint('void F(int (func)(int));', '') |
||
| 502 | self.TestLint('void F(int (func)(int*));', '') |
||
| 503 | self.TestLint('void F(int (Class::member)(int));', '') |
||
| 504 | self.TestLint('void F(int (Class::member)(int*));', '') |
||
| 505 | self.TestLint('void F(int (Class::member)(int), int param);', '') |
||
| 506 | self.TestLint('void F(int (Class::member)(int*), int param);', '') |
||
| 507 | |||
| 508 | # These should not be recognized (lambda functions without arg names).
|
||
| 509 | self.TestLint('[](int/*unused*/) -> bool {', '') |
||
| 510 | self.TestLint('[](int /*unused*/) -> bool {', '') |
||
| 511 | self.TestLint('auto f = [](MyStruct* /*unused*/)->int {', '') |
||
| 512 | self.TestLint(
|
||
| 513 | '[](int) -> bool {',
|
||
| 514 | 'All parameters should be named in a function'
|
||
| 515 | ' [readability/function] [3]')
|
||
| 516 | self.TestLint(
|
||
| 517 | 'auto f = [](MyStruct*)->int {',
|
||
| 518 | 'All parameters should be named in a function'
|
||
| 519 | ' [readability/function] [3]')
|
||
| 520 | |||
| 521 | # Test taking address of casts (runtime/casting)
|
||
| 522 | def testRuntimeCasting(self): |
||
| 523 | error_msg = ('Are you taking an address of a cast? '
|
||
| 524 | 'This is dangerous: could be a temp var. '
|
||
| 525 | 'Take the address before doing the cast, rather than after'
|
||
| 526 | ' [runtime/casting] [4]')
|
||
| 527 | self.TestLint('int* x = &static_cast<int*>(foo);', error_msg) |
||
| 528 | self.TestLint('int* x = &reinterpret_cast<int *>(foo);', error_msg) |
||
| 529 | self.TestLint('int* x = &(int*)foo;', |
||
| 530 | ['Using C-style cast. Use reinterpret_cast<int*>(...) '
|
||
| 531 | 'instead [readability/casting] [4]',
|
||
| 532 | error_msg]) |
||
| 533 | self.TestLint('BudgetBuckets&(BudgetWinHistory::*BucketFn)(void) const;', |
||
| 534 | '')
|
||
| 535 | self.TestLint('&(*func_ptr)(arg)', '') |
||
| 536 | self.TestLint('Compute(arg, &(*func_ptr)(i, j));', '') |
||
| 537 | |||
| 538 | # Alternative error message
|
||
| 539 | alt_error_msg = ('Are you taking an address of something dereferenced '
|
||
| 540 | 'from a cast? Wrapping the dereferenced expression in '
|
||
| 541 | 'parentheses will make the binding more obvious'
|
||
| 542 | ' [readability/casting] [4]')
|
||
| 543 | self.TestLint('int* x = &down_cast<Obj*>(obj)->member_;', alt_error_msg) |
||
| 544 | self.TestLint('int* x = &down_cast<Obj*>(obj)[index];', alt_error_msg) |
||
| 545 | self.TestLint('int* x = &(down_cast<Obj*>(obj)->member_);', '') |
||
| 546 | self.TestLint('int* x = &(down_cast<Obj*>(obj)[index]);', '') |
||
| 547 | self.TestLint('int* x = &down_cast<Obj*>(obj)\n->member_;', alt_error_msg) |
||
| 548 | self.TestLint('int* x = &(down_cast<Obj*>(obj)\n->member_);', '') |
||
| 549 | |||
| 550 | # It's OK to cast an address.
|
||
| 551 | self.TestLint('int* x = reinterpret_cast<int *>(&foo);', '') |
||
| 552 | |||
| 553 | # Function pointers returning references should not be confused
|
||
| 554 | # with taking address of old-style casts.
|
||
| 555 | self.TestLint('auto x = implicit_cast<string &(*)(int)>(&foo);', '') |
||
| 556 | |||
| 557 | def testRuntimeSelfinit(self): |
||
| 558 | self.TestLint(
|
||
| 559 | 'Foo::Foo(Bar r, Bel l) : r_(r_), l_(l_) { }',
|
||
| 560 | 'You seem to be initializing a member variable with itself.'
|
||
| 561 | ' [runtime/init] [4]')
|
||
| 562 | self.TestLint(
|
||
| 563 | 'Foo::Foo(Bar r, Bel l) : r_(r), l_(l) { }',
|
||
| 564 | '')
|
||
| 565 | self.TestLint(
|
||
| 566 | 'Foo::Foo(Bar r) : r_(r), l_(r_), ll_(l_) { }',
|
||
| 567 | '')
|
||
| 568 | |||
| 569 | # Test for unnamed arguments in a method.
|
||
| 570 | def testCheckForUnnamedParams(self): |
||
| 571 | message = ('All parameters should be named in a function'
|
||
| 572 | ' [readability/function] [3]')
|
||
| 573 | self.TestLint('virtual void Func(int*) const;', message) |
||
| 574 | self.TestLint('virtual void Func(int*);', message) |
||
| 575 | self.TestLint('void Method(char*) {', message) |
||
| 576 | self.TestLint('void Method(char*);', message) |
||
| 577 | self.TestLint('static void operator delete[](void*) throw();', message) |
||
| 578 | self.TestLint('int Method(int);', message) |
||
| 579 | |||
| 580 | self.TestLint('virtual void Func(int* p);', '') |
||
| 581 | self.TestLint('void operator delete(void* x) throw();', '') |
||
| 582 | self.TestLint('void Method(char* x) {', '') |
||
| 583 | self.TestLint('void Method(char* /*x*/) {', '') |
||
| 584 | self.TestLint('void Method(char* x);', '') |
||
| 585 | self.TestLint('typedef void (*Method)(int32 x);', '') |
||
| 586 | self.TestLint('static void operator delete[](void* x) throw();', '') |
||
| 587 | self.TestLint('static void operator delete[](void* /*x*/) throw();', '') |
||
| 588 | |||
| 589 | self.TestLint('X operator++(int);', '') |
||
| 590 | self.TestLint('X operator++(int) {', '') |
||
| 591 | self.TestLint('X operator--(int);', '') |
||
| 592 | self.TestLint('X operator--(int /*unused*/) {', '') |
||
| 593 | self.TestLint('MACRO(int);', '') |
||
| 594 | self.TestLint('MACRO(func(int));', '') |
||
| 595 | self.TestLint('MACRO(arg, func(int));', '') |
||
| 596 | |||
| 597 | self.TestLint('void (*func)(void*);', '') |
||
| 598 | self.TestLint('void Func((*func)(void*)) {}', '') |
||
| 599 | self.TestLint('template <void Func(void*)> void func();', '') |
||
| 600 | self.TestLint('virtual void f(int /*unused*/) {', '') |
||
| 601 | self.TestLint('void f(int /*unused*/) override {', '') |
||
| 602 | self.TestLint('void f(int /*unused*/) final {', '') |
||
| 603 | |||
| 604 | # Test deprecated casts such as int(d)
|
||
| 605 | def testDeprecatedCast(self): |
||
| 606 | self.TestLint(
|
||
| 607 | 'int a = int(2.2);',
|
||
| 608 | 'Using deprecated casting style. '
|
||
| 609 | 'Use static_cast<int>(...) instead'
|
||
| 610 | ' [readability/casting] [4]')
|
||
| 611 | |||
| 612 | self.TestLint(
|
||
| 613 | '(char *) "foo"',
|
||
| 614 | 'Using C-style cast. '
|
||
| 615 | 'Use const_cast<char *>(...) instead'
|
||
| 616 | ' [readability/casting] [4]')
|
||
| 617 | |||
| 618 | self.TestLint(
|
||
| 619 | '(int*)foo',
|
||
| 620 | 'Using C-style cast. '
|
||
| 621 | 'Use reinterpret_cast<int*>(...) instead'
|
||
| 622 | ' [readability/casting] [4]')
|
||
| 623 | |||
| 624 | # Checks for false positives...
|
||
| 625 | self.TestLint('int a = int();', '') # constructor |
||
| 626 | self.TestLint('X::X() : a(int()) {}', '') # default constructor |
||
| 627 | self.TestLint('operator bool();', '') # Conversion operator |
||
| 628 | self.TestLint('new int64(123);', '') # "new" operator on basic type |
||
| 629 | self.TestLint('new int64(123);', '') # "new" operator on basic type |
||
| 630 | self.TestLint('using a = bool(int arg);', '') # C++11 alias-declaration |
||
| 631 | self.TestLint('x = bit_cast<double(*)[3]>(y);', '') # array of array |
||
| 632 | self.TestLint('void F(const char(&src)[N]);', '') # array of references |
||
| 633 | |||
| 634 | # Placement new
|
||
| 635 | self.TestLint(
|
||
| 636 | 'new(field_ptr) int(field->default_value_enum()->number());',
|
||
| 637 | '')
|
||
| 638 | |||
| 639 | # C++11 function wrappers
|
||
| 640 | self.TestLint('std::function<int(bool)>', '') |
||
| 641 | self.TestLint('std::function<const int(bool)>', '') |
||
| 642 | self.TestLint('std::function< int(bool) >', '') |
||
| 643 | self.TestLint('mfunction<int(bool)>', '') |
||
| 644 | |||
| 645 | error_collector = ErrorCollector(self.assert_)
|
||
| 646 | cpplint.ProcessFileData( |
||
| 647 | 'test.cc', 'cc', |
||
| 648 | ['// Copyright 2014 Your Company. All Rights Reserved.',
|
||
| 649 | 'typedef std::function<',
|
||
| 650 | ' bool(int)> F;',
|
||
| 651 | ''],
|
||
| 652 | error_collector) |
||
| 653 | self.assertEquals('', error_collector.Results()) |
||
| 654 | |||
| 655 | # Return types for function pointers
|
||
| 656 | self.TestLint('typedef bool(FunctionPointer)();', '') |
||
| 657 | self.TestLint('typedef bool(FunctionPointer)(int param);', '') |
||
| 658 | self.TestLint('typedef bool(MyClass::*MemberFunctionPointer)();', '') |
||
| 659 | self.TestLint('typedef bool(MyClass::* MemberFunctionPointer)();', '') |
||
| 660 | self.TestLint('typedef bool(MyClass::*MemberFunctionPointer)() const;', '') |
||
| 661 | self.TestLint('void Function(bool(FunctionPointerArg)());', '') |
||
| 662 | self.TestLint('void Function(bool(FunctionPointerArg)()) {}', '') |
||
| 663 | self.TestLint('typedef set<int64, bool(*)(int64, int64)> SortedIdSet', '') |
||
| 664 | self.TestLint(
|
||
| 665 | 'bool TraverseNode(T *Node, bool(VisitorBase:: *traverse) (T *t)) {}',
|
||
| 666 | '')
|
||
| 667 | |||
| 668 | # The second parameter to a gMock method definition is a function signature
|
||
| 669 | # that often looks like a bad cast but should not picked up by lint.
|
||
| 670 | def testMockMethod(self): |
||
| 671 | self.TestLint(
|
||
| 672 | 'MOCK_METHOD0(method, int());',
|
||
| 673 | '')
|
||
| 674 | self.TestLint(
|
||
| 675 | 'MOCK_CONST_METHOD1(method, float(string));',
|
||
| 676 | '')
|
||
| 677 | self.TestLint(
|
||
| 678 | 'MOCK_CONST_METHOD2_T(method, double(float, float));',
|
||
| 679 | '')
|
||
| 680 | self.TestLint(
|
||
| 681 | 'MOCK_CONST_METHOD1(method, SomeType(int));',
|
||
| 682 | '')
|
||
| 683 | |||
| 684 | error_collector = ErrorCollector(self.assert_)
|
||
| 685 | cpplint.ProcessFileData('mock.cc', 'cc', |
||
| 686 | ['MOCK_METHOD1(method1,',
|
||
| 687 | ' bool(int));',
|
||
| 688 | 'MOCK_METHOD1(',
|
||
| 689 | ' method2,',
|
||
| 690 | ' bool(int));',
|
||
| 691 | 'MOCK_CONST_METHOD2(',
|
||
| 692 | ' method3, bool(int,',
|
||
| 693 | ' int));',
|
||
| 694 | 'MOCK_METHOD1(method4, int(bool));',
|
||
| 695 | 'const int kConstant = int(42);'], # true positive |
||
| 696 | error_collector) |
||
| 697 | self.assertEquals(
|
||
| 698 | 0,
|
||
| 699 | error_collector.Results().count( |
||
| 700 | ('Using deprecated casting style. '
|
||
| 701 | 'Use static_cast<bool>(...) instead '
|
||
| 702 | '[readability/casting] [4]')))
|
||
| 703 | self.assertEquals(
|
||
| 704 | 1,
|
||
| 705 | error_collector.Results().count( |
||
| 706 | ('Using deprecated casting style. '
|
||
| 707 | 'Use static_cast<int>(...) instead '
|
||
| 708 | '[readability/casting] [4]')))
|
||
| 709 | |||
| 710 | # Like gMock method definitions, MockCallback instantiations look very similar
|
||
| 711 | # to bad casts.
|
||
| 712 | def testMockCallback(self): |
||
| 713 | self.TestLint(
|
||
| 714 | 'MockCallback<bool(int)>',
|
||
| 715 | '')
|
||
| 716 | self.TestLint(
|
||
| 717 | 'MockCallback<int(float, char)>',
|
||
| 718 | '')
|
||
| 719 | |||
| 720 | # Test false errors that happened with some include file names
|
||
| 721 | def testIncludeFilenameFalseError(self): |
||
| 722 | self.TestLint(
|
||
| 723 | '#include "foo/long-foo.h"',
|
||
| 724 | '')
|
||
| 725 | self.TestLint(
|
||
| 726 | '#include "foo/sprintf.h"',
|
||
| 727 | '')
|
||
| 728 | |||
| 729 | # Test typedef cases. There was a bug that cpplint misidentified
|
||
| 730 | # typedef for pointer to function as C-style cast and produced
|
||
| 731 | # false-positive error messages.
|
||
| 732 | def testTypedefForPointerToFunction(self): |
||
| 733 | self.TestLint(
|
||
| 734 | 'typedef void (*Func)(int x);',
|
||
| 735 | '')
|
||
| 736 | self.TestLint(
|
||
| 737 | 'typedef void (*Func)(int *x);',
|
||
| 738 | '')
|
||
| 739 | self.TestLint(
|
||
| 740 | 'typedef void Func(int x);',
|
||
| 741 | '')
|
||
| 742 | self.TestLint(
|
||
| 743 | 'typedef void Func(int *x);',
|
||
| 744 | '')
|
||
| 745 | |||
| 746 | def testIncludeWhatYouUseNoImplementationFiles(self): |
||
| 747 | code = 'std::vector<int> foo;'
|
||
| 748 | self.assertEquals('Add #include <vector> for vector<>' |
||
| 749 | ' [build/include_what_you_use] [4]',
|
||
| 750 | self.PerformIncludeWhatYouUse(code, 'foo.h')) |
||
| 751 | self.assertEquals('', |
||
| 752 | self.PerformIncludeWhatYouUse(code, 'foo.cc')) |
||
| 753 | |||
| 754 | def testIncludeWhatYouUse(self): |
||
| 755 | self.TestIncludeWhatYouUse(
|
||
| 756 | """#include <vector>
|
||
| 757 | std::vector<int> foo;
|
||
| 758 | """,
|
||
| 759 | '')
|
||
| 760 | self.TestIncludeWhatYouUse(
|
||
| 761 | """#include <map>
|
||
| 762 | std::pair<int,int> foo;
|
||
| 763 | """,
|
||
| 764 | 'Add #include <utility> for pair<>'
|
||
| 765 | ' [build/include_what_you_use] [4]')
|
||
| 766 | self.TestIncludeWhatYouUse(
|
||
| 767 | """#include <multimap>
|
||
| 768 | std::pair<int,int> foo;
|
||
| 769 | """,
|
||
| 770 | 'Add #include <utility> for pair<>'
|
||
| 771 | ' [build/include_what_you_use] [4]')
|
||
| 772 | self.TestIncludeWhatYouUse(
|
||
| 773 | """#include <hash_map>
|
||
| 774 | std::pair<int,int> foo;
|
||
| 775 | """,
|
||
| 776 | 'Add #include <utility> for pair<>'
|
||
| 777 | ' [build/include_what_you_use] [4]')
|
||
| 778 | self.TestIncludeWhatYouUse(
|
||
| 779 | """#include <utility>
|
||
| 780 | std::pair<int,int> foo;
|
||
| 781 | """,
|
||
| 782 | '')
|
||
| 783 | self.TestIncludeWhatYouUse(
|
||
| 784 | """#include <vector>
|
||
| 785 | DECLARE_string(foobar);
|
||
| 786 | """,
|
||
| 787 | '')
|
||
| 788 | self.TestIncludeWhatYouUse(
|
||
| 789 | """#include <vector>
|
||
| 790 | DEFINE_string(foobar, "", "");
|
||
| 791 | """,
|
||
| 792 | '')
|
||
| 793 | self.TestIncludeWhatYouUse(
|
||
| 794 | """#include <vector>
|
||
| 795 | std::pair<int,int> foo;
|
||
| 796 | """,
|
||
| 797 | 'Add #include <utility> for pair<>'
|
||
| 798 | ' [build/include_what_you_use] [4]')
|
||
| 799 | self.TestIncludeWhatYouUse(
|
||
| 800 | """#include "base/foobar.h"
|
||
| 801 | std::vector<int> foo;
|
||
| 802 | """,
|
||
| 803 | 'Add #include <vector> for vector<>'
|
||
| 804 | ' [build/include_what_you_use] [4]')
|
||
| 805 | self.TestIncludeWhatYouUse(
|
||
| 806 | """#include <vector>
|
||
| 807 | std::set<int> foo;
|
||
| 808 | """,
|
||
| 809 | 'Add #include <set> for set<>'
|
||
| 810 | ' [build/include_what_you_use] [4]')
|
||
| 811 | self.TestIncludeWhatYouUse(
|
||
| 812 | """#include "base/foobar.h"
|
||
| 813 | hash_map<int, int> foobar;
|
||
| 814 | """,
|
||
| 815 | 'Add #include <hash_map> for hash_map<>'
|
||
| 816 | ' [build/include_what_you_use] [4]')
|
||
| 817 | self.TestIncludeWhatYouUse(
|
||
| 818 | """#include "base/foobar.h"
|
||
| 819 | bool foobar = std::less<int>(0,1);
|
||
| 820 | """,
|
||
| 821 | 'Add #include <functional> for less<>'
|
||
| 822 | ' [build/include_what_you_use] [4]')
|
||
| 823 | self.TestIncludeWhatYouUse(
|
||
| 824 | """#include "base/foobar.h"
|
||
| 825 | bool foobar = min<int>(0,1);
|
||
| 826 | """,
|
||
| 827 | 'Add #include <algorithm> for min [build/include_what_you_use] [4]')
|
||
| 828 | self.TestIncludeWhatYouUse(
|
||
| 829 | 'void a(const string &foobar);',
|
||
| 830 | 'Add #include <string> for string [build/include_what_you_use] [4]')
|
||
| 831 | self.TestIncludeWhatYouUse(
|
||
| 832 | 'void a(const std::string &foobar);',
|
||
| 833 | 'Add #include <string> for string [build/include_what_you_use] [4]')
|
||
| 834 | self.TestIncludeWhatYouUse(
|
||
| 835 | 'void a(const my::string &foobar);',
|
||
| 836 | '') # Avoid false positives on strings in other namespaces. |
||
| 837 | self.TestIncludeWhatYouUse(
|
||
| 838 | """#include "base/foobar.h"
|
||
| 839 | bool foobar = swap(0,1);
|
||
| 840 | """,
|
||
| 841 | 'Add #include <algorithm> for swap [build/include_what_you_use] [4]')
|
||
| 842 | self.TestIncludeWhatYouUse(
|
||
| 843 | """#include "base/foobar.h"
|
||
| 844 | bool foobar = transform(a.begin(), a.end(), b.start(), Foo);
|
||
| 845 | """,
|
||
| 846 | 'Add #include <algorithm> for transform '
|
||
| 847 | '[build/include_what_you_use] [4]')
|
||
| 848 | self.TestIncludeWhatYouUse(
|
||
| 849 | """#include "base/foobar.h"
|
||
| 850 | bool foobar = min_element(a.begin(), a.end());
|
||
| 851 | """,
|
||
| 852 | 'Add #include <algorithm> for min_element '
|
||
| 853 | '[build/include_what_you_use] [4]')
|
||
| 854 | self.TestIncludeWhatYouUse(
|
||
| 855 | """foo->swap(0,1);
|
||
| 856 | foo.swap(0,1);
|
||
| 857 | """,
|
||
| 858 | '')
|
||
| 859 | self.TestIncludeWhatYouUse(
|
||
| 860 | """#include <string>
|
||
| 861 | void a(const std::multimap<int,string> &foobar);
|
||
| 862 | """,
|
||
| 863 | 'Add #include <map> for multimap<>'
|
||
| 864 | ' [build/include_what_you_use] [4]')
|
||
| 865 | self.TestIncludeWhatYouUse(
|
||
| 866 | """#include <queue>
|
||
| 867 | void a(const std::priority_queue<int> &foobar);
|
||
| 868 | """,
|
||
| 869 | '')
|
||
| 870 | self.TestIncludeWhatYouUse(
|
||
| 871 | """#include <assert.h>
|
||
| 872 | #include <string>
|
||
| 873 | #include <vector>
|
||
| 874 | #include "base/basictypes.h"
|
||
| 875 | #include "base/port.h"
|
||
| 876 | vector<string> hajoa;""", '') |
||
| 877 | self.TestIncludeWhatYouUse(
|
||
| 878 | """#include <string>
|
||
| 879 | int i = numeric_limits<int>::max()
|
||
| 880 | """,
|
||
| 881 | 'Add #include <limits> for numeric_limits<>'
|
||
| 882 | ' [build/include_what_you_use] [4]')
|
||
| 883 | self.TestIncludeWhatYouUse(
|
||
| 884 | """#include <limits>
|
||
| 885 | int i = numeric_limits<int>::max()
|
||
| 886 | """,
|
||
| 887 | '')
|
||
| 888 | |||
| 889 | # Test the UpdateIncludeState code path.
|
||
| 890 | mock_header_contents = ['#include "blah/foo.h"', '#include "blah/bar.h"'] |
||
| 891 | message = self.PerformIncludeWhatYouUse(
|
||
| 892 | '#include "blah/a.h"',
|
||
| 893 | filename='blah/a.cc',
|
||
| 894 | io=MockIo(mock_header_contents)) |
||
| 895 | self.assertEquals(message, '') |
||
| 896 | |||
| 897 | mock_header_contents = ['#include <set>']
|
||
| 898 | message = self.PerformIncludeWhatYouUse(
|
||
| 899 | """#include "blah/a.h"
|
||
| 900 | std::set<int> foo;""",
|
||
| 901 | filename='blah/a.cc',
|
||
| 902 | io=MockIo(mock_header_contents)) |
||
| 903 | self.assertEquals(message, '') |
||
| 904 | |||
| 905 | # Make sure we can find the correct header file if the cc file seems to be
|
||
| 906 | # a temporary file generated by Emacs's flymake.
|
||
| 907 | mock_header_contents = ['']
|
||
| 908 | message = self.PerformIncludeWhatYouUse(
|
||
| 909 | """#include "blah/a.h"
|
||
| 910 | std::set<int> foo;""",
|
||
| 911 | filename='blah/a_flymake.cc',
|
||
| 912 | io=MockIo(mock_header_contents)) |
||
| 913 | self.assertEquals(message, 'Add #include <set> for set<> ' |
||
| 914 | '[build/include_what_you_use] [4]')
|
||
| 915 | |||
| 916 | # If there's just a cc and the header can't be found then it's ok.
|
||
| 917 | message = self.PerformIncludeWhatYouUse(
|
||
| 918 | """#include "blah/a.h"
|
||
| 919 | std::set<int> foo;""",
|
||
| 920 | filename='blah/a.cc')
|
||
| 921 | self.assertEquals(message, '') |
||
| 922 | |||
| 923 | # Make sure we find the headers with relative paths.
|
||
| 924 | mock_header_contents = ['']
|
||
| 925 | message = self.PerformIncludeWhatYouUse(
|
||
| 926 | """#include "%s/a.h"
|
||
| 927 | std::set<int> foo;""" % os.path.basename(os.getcwd()),
|
||
| 928 | filename='a.cc',
|
||
| 929 | io=MockIo(mock_header_contents)) |
||
| 930 | self.assertEquals(message, 'Add #include <set> for set<> ' |
||
| 931 | '[build/include_what_you_use] [4]')
|
||
| 932 | |||
| 933 | def testFilesBelongToSameModule(self): |
||
| 934 | f = cpplint.FilesBelongToSameModule |
||
| 935 | self.assertEquals((True, ''), f('a.cc', 'a.h')) |
||
| 936 | self.assertEquals((True, ''), f('base/google.cc', 'base/google.h')) |
||
| 937 | self.assertEquals((True, ''), f('base/google_test.cc', 'base/google.h')) |
||
| 938 | self.assertEquals((True, ''), |
||
| 939 | f('base/google_unittest.cc', 'base/google.h')) |
||
| 940 | self.assertEquals((True, ''), |
||
| 941 | f('base/internal/google_unittest.cc',
|
||
| 942 | 'base/public/google.h'))
|
||
| 943 | self.assertEquals((True, 'xxx/yyy/'), |
||
| 944 | f('xxx/yyy/base/internal/google_unittest.cc',
|
||
| 945 | 'base/public/google.h'))
|
||
| 946 | self.assertEquals((True, 'xxx/yyy/'), |
||
| 947 | f('xxx/yyy/base/google_unittest.cc',
|
||
| 948 | 'base/public/google.h'))
|
||
| 949 | self.assertEquals((True, ''), |
||
| 950 | f('base/google_unittest.cc', 'base/google-inl.h')) |
||
| 951 | self.assertEquals((True, '/home/build/google3/'), |
||
| 952 | f('/home/build/google3/base/google.cc', 'base/google.h')) |
||
| 953 | |||
| 954 | self.assertEquals((False, ''), |
||
| 955 | f('/home/build/google3/base/google.cc', 'basu/google.h')) |
||
| 956 | self.assertEquals((False, ''), f('a.cc', 'b.h')) |
||
| 957 | |||
| 958 | def testCleanseLine(self): |
||
| 959 | self.assertEquals('int foo = 0;', |
||
| 960 | cpplint.CleanseComments('int foo = 0; // danger!'))
|
||
| 961 | self.assertEquals('int o = 0;', |
||
| 962 | cpplint.CleanseComments('int /* foo */ o = 0;'))
|
||
| 963 | self.assertEquals('foo(int a, int b);', |
||
| 964 | cpplint.CleanseComments('foo(int a /* abc */, int b);'))
|
||
| 965 | self.assertEqual('f(a, b);', |
||
| 966 | cpplint.CleanseComments('f(a, /* name */ b);'))
|
||
| 967 | self.assertEqual('f(a, b);', |
||
| 968 | cpplint.CleanseComments('f(a /* name */, b);'))
|
||
| 969 | self.assertEqual('f(a, b);', |
||
| 970 | cpplint.CleanseComments('f(a, /* name */b);'))
|
||
| 971 | self.assertEqual('f(a, b, c);', |
||
| 972 | cpplint.CleanseComments('f(a, /**/b, /**/c);'))
|
||
| 973 | self.assertEqual('f(a, b, c);', |
||
| 974 | cpplint.CleanseComments('f(a, /**/b/**/, c);'))
|
||
| 975 | |||
| 976 | def testRawStrings(self): |
||
| 977 | self.TestMultiLineLint(
|
||
| 978 | """
|
||
| 979 | void Func() {
|
||
| 980 | static const char kString[] = R"(
|
||
| 981 | #endif <- invalid preprocessor should be ignored
|
||
| 982 | */ <- invalid comment should be ignored too
|
||
| 983 | )";
|
||
| 984 | }""",
|
||
| 985 | '')
|
||
| 986 | self.TestMultiLineLint(
|
||
| 987 | """
|
||
| 988 | void Func() {
|
||
| 989 | string s = R"TrueDelimiter(
|
||
| 990 | )"
|
||
| 991 | )FalseDelimiter"
|
||
| 992 | )TrueDelimiter";
|
||
| 993 | }""",
|
||
| 994 | '')
|
||
| 995 | self.TestMultiLineLint(
|
||
| 996 | """
|
||
| 997 | void Func() {
|
||
| 998 | char char kString[] = R"( ";" )";
|
||
| 999 | }""",
|
||
| 1000 | '')
|
||
| 1001 | self.TestMultiLineLint(
|
||
| 1002 | """
|
||
| 1003 | static const char kRawString[] = R"(
|
||
| 1004 | \tstatic const int kLineWithTab = 1;
|
||
| 1005 | static const int kLineWithTrailingWhiteSpace = 1;\x20
|
||
| 1006 |
|
||
| 1007 | void WeirdNumberOfSpacesAtLineStart() {
|
||
| 1008 | string x;
|
||
| 1009 | x += StrCat("Use StrAppend instead");
|
||
| 1010 | }
|
||
| 1011 |
|
||
| 1012 | void BlankLineAtEndOfBlock() {
|
||
| 1013 | // TODO incorrectly formatted
|
||
| 1014 | //Badly formatted comment
|
||
| 1015 |
|
||
| 1016 | }
|
||
| 1017 |
|
||
| 1018 | )";""",
|
||
| 1019 | '')
|
||
| 1020 | self.TestMultiLineLint(
|
||
| 1021 | """
|
||
| 1022 | void Func() {
|
||
| 1023 | string s = StrCat(R"TrueDelimiter(
|
||
| 1024 | )"
|
||
| 1025 | )FalseDelimiter"
|
||
| 1026 | )TrueDelimiter", R"TrueDelimiter2(
|
||
| 1027 | )"
|
||
| 1028 | )FalseDelimiter2"
|
||
| 1029 | )TrueDelimiter2");
|
||
| 1030 | }""",
|
||
| 1031 | '')
|
||
| 1032 | self.TestMultiLineLint(
|
||
| 1033 | """
|
||
| 1034 | static SomeStruct kData = {
|
||
| 1035 | {0, R"(line1
|
||
| 1036 | line2
|
||
| 1037 | )"}
|
||
| 1038 | };""",
|
||
| 1039 | '')
|
||
| 1040 | |||
| 1041 | def testMultiLineComments(self): |
||
| 1042 | # missing explicit is bad
|
||
| 1043 | self.TestMultiLineLint(
|
||
| 1044 | r"""int a = 0;
|
||
| 1045 | /* multi-liner
|
||
| 1046 | class Foo {
|
||
| 1047 | Foo(int f); // should cause a lint warning in code
|
||
| 1048 | }
|
||
| 1049 | */ """,
|
||
| 1050 | '')
|
||
| 1051 | self.TestMultiLineLint(
|
||
| 1052 | r"""/* int a = 0; multi-liner
|
||
| 1053 | static const int b = 0;""",
|
||
| 1054 | 'Could not find end of multi-line comment'
|
||
| 1055 | ' [readability/multiline_comment] [5]')
|
||
| 1056 | self.TestMultiLineLint(r""" /* multi-line comment""", |
||
| 1057 | 'Could not find end of multi-line comment'
|
||
| 1058 | ' [readability/multiline_comment] [5]')
|
||
| 1059 | self.TestMultiLineLint(r""" // /* comment, but not multi-line""", '') |
||
| 1060 | self.TestMultiLineLint(r"""/********** |
||
| 1061 | */""", '') |
||
| 1062 | self.TestMultiLineLint(r"""/** |
||
| 1063 | * Doxygen comment
|
||
| 1064 | */""",
|
||
| 1065 | '')
|
||
| 1066 | self.TestMultiLineLint(r"""/*! |
||
| 1067 | * Doxygen comment
|
||
| 1068 | */""",
|
||
| 1069 | '')
|
||
| 1070 | |||
| 1071 | def testMultilineStrings(self): |
||
| 1072 | multiline_string_error_message = ( |
||
| 1073 | 'Multi-line string ("...") found. This lint script doesn\'t '
|
||
| 1074 | 'do well with such strings, and may give bogus warnings. '
|
||
| 1075 | 'Use C++11 raw strings or concatenation instead.'
|
||
| 1076 | ' [readability/multiline_string] [5]')
|
||
| 1077 | |||
| 1078 | file_path = 'mydir/foo.cc'
|
||
| 1079 | |||
| 1080 | error_collector = ErrorCollector(self.assert_)
|
||
| 1081 | cpplint.ProcessFileData(file_path, 'cc',
|
||
| 1082 | ['const char* str = "This is a\\',
|
||
| 1083 | ' multiline string.";'],
|
||
| 1084 | error_collector) |
||
| 1085 | self.assertEquals(
|
||
| 1086 | 2, # One per line. |
||
| 1087 | error_collector.ResultList().count(multiline_string_error_message)) |
||
| 1088 | |||
| 1089 | # Test non-explicit single-argument constructors
|
||
| 1090 | def testExplicitSingleArgumentConstructors(self): |
||
| 1091 | old_verbose_level = cpplint._cpplint_state.verbose_level |
||
| 1092 | cpplint._cpplint_state.verbose_level = 0
|
||
| 1093 | |||
| 1094 | try:
|
||
| 1095 | # missing explicit is bad
|
||
| 1096 | self.TestMultiLineLint(
|
||
| 1097 | """
|
||
| 1098 | class Foo {
|
||
| 1099 | Foo(int f);
|
||
| 1100 | };""",
|
||
| 1101 | 'Single-parameter constructors should be marked explicit.'
|
||
| 1102 | ' [runtime/explicit] [5]')
|
||
| 1103 | # missing explicit is bad, even with whitespace
|
||
| 1104 | self.TestMultiLineLint(
|
||
| 1105 | """
|
||
| 1106 | class Foo {
|
||
| 1107 | Foo (int f);
|
||
| 1108 | };""",
|
||
| 1109 | ['Extra space before ( in function call [whitespace/parens] [4]',
|
||
| 1110 | 'Single-parameter constructors should be marked explicit.'
|
||
| 1111 | ' [runtime/explicit] [5]'])
|
||
| 1112 | # missing explicit, with distracting comment, is still bad
|
||
| 1113 | self.TestMultiLineLint(
|
||
| 1114 | """
|
||
| 1115 | class Foo {
|
||
| 1116 | Foo(int f); // simpler than Foo(blargh, blarg)
|
||
| 1117 | };""",
|
||
| 1118 | 'Single-parameter constructors should be marked explicit.'
|
||
| 1119 | ' [runtime/explicit] [5]')
|
||
| 1120 | # missing explicit, with qualified classname
|
||
| 1121 | self.TestMultiLineLint(
|
||
| 1122 | """
|
||
| 1123 | class Qualifier::AnotherOne::Foo {
|
||
| 1124 | Foo(int f);
|
||
| 1125 | };""",
|
||
| 1126 | 'Single-parameter constructors should be marked explicit.'
|
||
| 1127 | ' [runtime/explicit] [5]')
|
||
| 1128 | # missing explicit for inline constructors is bad as well
|
||
| 1129 | self.TestMultiLineLint(
|
||
| 1130 | """
|
||
| 1131 | class Foo {
|
||
| 1132 | inline Foo(int f);
|
||
| 1133 | };""",
|
||
| 1134 | 'Single-parameter constructors should be marked explicit.'
|
||
| 1135 | ' [runtime/explicit] [5]')
|
||
| 1136 | # structs are caught as well.
|
||
| 1137 | self.TestMultiLineLint(
|
||
| 1138 | """
|
||
| 1139 | struct Foo {
|
||
| 1140 | Foo(int f);
|
||
| 1141 | };""",
|
||
| 1142 | 'Single-parameter constructors should be marked explicit.'
|
||
| 1143 | ' [runtime/explicit] [5]')
|
||
| 1144 | # Templatized classes are caught as well.
|
||
| 1145 | self.TestMultiLineLint(
|
||
| 1146 | """
|
||
| 1147 | template<typename T> class Foo {
|
||
| 1148 | Foo(int f);
|
||
| 1149 | };""",
|
||
| 1150 | 'Single-parameter constructors should be marked explicit.'
|
||
| 1151 | ' [runtime/explicit] [5]')
|
||
| 1152 | # inline case for templatized classes.
|
||
| 1153 | self.TestMultiLineLint(
|
||
| 1154 | """
|
||
| 1155 | template<typename T> class Foo {
|
||
| 1156 | inline Foo(int f);
|
||
| 1157 | };""",
|
||
| 1158 | 'Single-parameter constructors should be marked explicit.'
|
||
| 1159 | ' [runtime/explicit] [5]')
|
||
| 1160 | # constructors with a default argument should still be marked explicit
|
||
| 1161 | self.TestMultiLineLint(
|
||
| 1162 | """
|
||
| 1163 | class Foo {
|
||
| 1164 | Foo(int f = 0);
|
||
| 1165 | };""",
|
||
| 1166 | 'Constructors callable with one argument should be marked explicit.'
|
||
| 1167 | ' [runtime/explicit] [5]')
|
||
| 1168 | # multi-argument constructors with all but one default argument should be
|
||
| 1169 | # marked explicit
|
||
| 1170 | self.TestMultiLineLint(
|
||
| 1171 | """
|
||
| 1172 | class Foo {
|
||
| 1173 | Foo(int f, int g = 0);
|
||
| 1174 | };""",
|
||
| 1175 | 'Constructors callable with one argument should be marked explicit.'
|
||
| 1176 | ' [runtime/explicit] [5]')
|
||
| 1177 | # multi-argument constructors with all default arguments should be marked
|
||
| 1178 | # explicit
|
||
| 1179 | self.TestMultiLineLint(
|
||
| 1180 | """
|
||
| 1181 | class Foo {
|
||
| 1182 | Foo(int f = 0, int g = 0);
|
||
| 1183 | };""",
|
||
| 1184 | 'Constructors callable with one argument should be marked explicit.'
|
||
| 1185 | ' [runtime/explicit] [5]')
|
||
| 1186 | # explicit no-argument constructors are bad
|
||
| 1187 | self.TestMultiLineLint(
|
||
| 1188 | """
|
||
| 1189 | class Foo {
|
||
| 1190 | explicit Foo();
|
||
| 1191 | };""",
|
||
| 1192 | 'Zero-parameter constructors should not be marked explicit.'
|
||
| 1193 | ' [runtime/explicit] [5]')
|
||
| 1194 | # void constructors are considered no-argument
|
||
| 1195 | self.TestMultiLineLint(
|
||
| 1196 | """
|
||
| 1197 | class Foo {
|
||
| 1198 | explicit Foo(void);
|
||
| 1199 | };""",
|
||
| 1200 | 'Zero-parameter constructors should not be marked explicit.'
|
||
| 1201 | ' [runtime/explicit] [5]')
|
||
| 1202 | # Warn explicit multi-argument constructors at lowest severity
|
||
| 1203 | self.TestMultiLineLint(
|
||
| 1204 | """
|
||
| 1205 | class Foo {
|
||
| 1206 | explicit Foo(int f, int g);
|
||
| 1207 | };""",
|
||
| 1208 | 'Constructors that require multiple arguments '
|
||
| 1209 | 'should not be marked explicit. [runtime/explicit] [0]')
|
||
| 1210 | # but explicit multi-argument constructors with only one non-default
|
||
| 1211 | # argument are OK
|
||
| 1212 | self.TestMultiLineLint(
|
||
| 1213 | """
|
||
| 1214 | class Foo {
|
||
| 1215 | explicit Foo(int f, int g = 0);
|
||
| 1216 | };""",
|
||
| 1217 | '')
|
||
| 1218 | # single-argument constructors that take a function that takes multiple
|
||
| 1219 | # arguments should be explicit
|
||
| 1220 | self.TestMultiLineLint(
|
||
| 1221 | """
|
||
| 1222 | class Foo {
|
||
| 1223 | Foo(void (*f)(int f, int g));
|
||
| 1224 | };""",
|
||
| 1225 | 'Single-parameter constructors should be marked explicit.'
|
||
| 1226 | ' [runtime/explicit] [5]')
|
||
| 1227 | # single-argument constructors that take a single template argument with
|
||
| 1228 | # multiple parameters should be explicit
|
||
| 1229 | self.TestMultiLineLint(
|
||
| 1230 | """
|
||
| 1231 | template <typename T, typename S>
|
||
| 1232 | class Foo {
|
||
| 1233 | Foo(Bar<T, S> b);
|
||
| 1234 | };""",
|
||
| 1235 | 'Single-parameter constructors should be marked explicit.'
|
||
| 1236 | ' [runtime/explicit] [5]')
|
||
| 1237 | # but copy constructors that take multiple template parameters are OK
|
||
| 1238 | self.TestMultiLineLint(
|
||
| 1239 | """
|
||
| 1240 | template <typename T, S>
|
||
| 1241 | class Foo {
|
||
| 1242 | Foo(Foo<T, S>& f);
|
||
| 1243 | };""",
|
||
| 1244 | '')
|
||
| 1245 | # proper style is okay
|
||
| 1246 | self.TestMultiLineLint(
|
||
| 1247 | """
|
||
| 1248 | class Foo {
|
||
| 1249 | explicit Foo(int f);
|
||
| 1250 | };""",
|
||
| 1251 | '')
|
||
| 1252 | # two argument constructor is okay
|
||
| 1253 | self.TestMultiLineLint(
|
||
| 1254 | """
|
||
| 1255 | class Foo {
|
||
| 1256 | Foo(int f, int b);
|
||
| 1257 | };""",
|
||
| 1258 | '')
|
||
| 1259 | # two argument constructor, across two lines, is okay
|
||
| 1260 | self.TestMultiLineLint(
|
||
| 1261 | """
|
||
| 1262 | class Foo {
|
||
| 1263 | Foo(int f,
|
||
| 1264 | int b);
|
||
| 1265 | };""",
|
||
| 1266 | '')
|
||
| 1267 | # non-constructor (but similar name), is okay
|
||
| 1268 | self.TestMultiLineLint(
|
||
| 1269 | """
|
||
| 1270 | class Foo {
|
||
| 1271 | aFoo(int f);
|
||
| 1272 | };""",
|
||
| 1273 | '')
|
||
| 1274 | # constructor with void argument is okay
|
||
| 1275 | self.TestMultiLineLint(
|
||
| 1276 | """
|
||
| 1277 | class Foo {
|
||
| 1278 | Foo(void);
|
||
| 1279 | };""",
|
||
| 1280 | '')
|
||
| 1281 | # single argument method is okay
|
||
| 1282 | self.TestMultiLineLint(
|
||
| 1283 | """
|
||
| 1284 | class Foo {
|
||
| 1285 | Bar(int b);
|
||
| 1286 | };""",
|
||
| 1287 | '')
|
||
| 1288 | # comments should be ignored
|
||
| 1289 | self.TestMultiLineLint(
|
||
| 1290 | """
|
||
| 1291 | class Foo {
|
||
| 1292 | // Foo(int f);
|
||
| 1293 | };""",
|
||
| 1294 | '')
|
||
| 1295 | # single argument function following class definition is okay
|
||
| 1296 | # (okay, it's not actually valid, but we don't want a false positive)
|
||
| 1297 | self.TestMultiLineLint(
|
||
| 1298 | """
|
||
| 1299 | class Foo {
|
||
| 1300 | Foo(int f, int b);
|
||
| 1301 | };
|
||
| 1302 | Foo(int f);""",
|
||
| 1303 | '')
|
||
| 1304 | # single argument function is okay
|
||
| 1305 | self.TestMultiLineLint(
|
||
| 1306 | """static Foo(int f);""",
|
||
| 1307 | '')
|
||
| 1308 | # single argument copy constructor is okay.
|
||
| 1309 | self.TestMultiLineLint(
|
||
| 1310 | """
|
||
| 1311 | class Foo {
|
||
| 1312 | Foo(const Foo&);
|
||
| 1313 | };""",
|
||
| 1314 | '')
|
||
| 1315 | self.TestMultiLineLint(
|
||
| 1316 | """
|
||
| 1317 | class Foo {
|
||
| 1318 | Foo(Foo const&);
|
||
| 1319 | };""",
|
||
| 1320 | '')
|
||
| 1321 | self.TestMultiLineLint(
|
||
| 1322 | """
|
||
| 1323 | class Foo {
|
||
| 1324 | Foo(Foo&);
|
||
| 1325 | };""",
|
||
| 1326 | '')
|
||
| 1327 | # templatized copy constructor is okay.
|
||
| 1328 | self.TestMultiLineLint(
|
||
| 1329 | """
|
||
| 1330 | template<typename T> class Foo {
|
||
| 1331 | Foo(const Foo<T>&);
|
||
| 1332 | };""",
|
||
| 1333 | '')
|
||
| 1334 | # Special case for std::initializer_list
|
||
| 1335 | self.TestMultiLineLint(
|
||
| 1336 | """
|
||
| 1337 | class Foo {
|
||
| 1338 | Foo(std::initializer_list<T> &arg) {}
|
||
| 1339 | };""",
|
||
| 1340 | '')
|
||
| 1341 | # Anything goes inside an assembly block
|
||
| 1342 | error_collector = ErrorCollector(self.assert_)
|
||
| 1343 | cpplint.ProcessFileData('foo.cc', 'cc', |
||
| 1344 | ['void Func() {',
|
||
| 1345 | ' __asm__ (',
|
||
| 1346 | ' "hlt"',
|
||
| 1347 | ' );',
|
||
| 1348 | ' asm {',
|
||
| 1349 | ' movdqa [edx + 32], xmm2',
|
||
| 1350 | ' }',
|
||
| 1351 | '}'],
|
||
| 1352 | error_collector) |
||
| 1353 | self.assertEquals(
|
||
| 1354 | 0,
|
||
| 1355 | error_collector.ResultList().count( |
||
| 1356 | 'Extra space before ( in function call [whitespace/parens] [4]'))
|
||
| 1357 | self.assertEquals(
|
||
| 1358 | 0,
|
||
| 1359 | error_collector.ResultList().count( |
||
| 1360 | 'Closing ) should be moved to the previous line '
|
||
| 1361 | '[whitespace/parens] [2]'))
|
||
| 1362 | self.assertEquals(
|
||
| 1363 | 0,
|
||
| 1364 | error_collector.ResultList().count( |
||
| 1365 | 'Extra space before [ [whitespace/braces] [5]'))
|
||
| 1366 | finally:
|
||
| 1367 | cpplint._cpplint_state.verbose_level = old_verbose_level |
||
| 1368 | |||
| 1369 | def testSlashStarCommentOnSingleLine(self): |
||
| 1370 | self.TestMultiLineLint(
|
||
| 1371 | """/* static */ Foo(int f);""",
|
||
| 1372 | '')
|
||
| 1373 | self.TestMultiLineLint(
|
||
| 1374 | """/*/ static */ Foo(int f);""",
|
||
| 1375 | '')
|
||
| 1376 | self.TestMultiLineLint(
|
||
| 1377 | """/*/ static Foo(int f);""",
|
||
| 1378 | 'Could not find end of multi-line comment'
|
||
| 1379 | ' [readability/multiline_comment] [5]')
|
||
| 1380 | self.TestMultiLineLint(
|
||
| 1381 | """ /*/ static Foo(int f);""",
|
||
| 1382 | 'Could not find end of multi-line comment'
|
||
| 1383 | ' [readability/multiline_comment] [5]')
|
||
| 1384 | self.TestMultiLineLint(
|
||
| 1385 | """ /**/ static Foo(int f);""",
|
||
| 1386 | '')
|
||
| 1387 | |||
| 1388 | # Test suspicious usage of "if" like this:
|
||
| 1389 | # if (a == b) {
|
||
| 1390 | # DoSomething();
|
||
| 1391 | # } if (a == c) { // Should be "else if".
|
||
| 1392 | # DoSomething(); // This gets called twice if a == b && a == c.
|
||
| 1393 | # }
|
||
| 1394 | def testSuspiciousUsageOfIf(self): |
||
| 1395 | self.TestLint(
|
||
| 1396 | ' if (a == b) {',
|
||
| 1397 | '')
|
||
| 1398 | self.TestLint(
|
||
| 1399 | ' } if (a == b) {',
|
||
| 1400 | 'Did you mean "else if"? If not, start a new line for "if".'
|
||
| 1401 | ' [readability/braces] [4]')
|
||
| 1402 | |||
| 1403 | # Test suspicious usage of memset. Specifically, a 0
|
||
| 1404 | # as the final argument is almost certainly an error.
|
||
| 1405 | def testSuspiciousUsageOfMemset(self): |
||
| 1406 | # Normal use is okay.
|
||
| 1407 | self.TestLint(
|
||
| 1408 | ' memset(buf, 0, sizeof(buf))',
|
||
| 1409 | '')
|
||
| 1410 | |||
| 1411 | # A 0 as the final argument is almost certainly an error.
|
||
| 1412 | self.TestLint(
|
||
| 1413 | ' memset(buf, sizeof(buf), 0)',
|
||
| 1414 | 'Did you mean "memset(buf, 0, sizeof(buf))"?'
|
||
| 1415 | ' [runtime/memset] [4]')
|
||
| 1416 | self.TestLint(
|
||
| 1417 | ' memset(buf, xsize * ysize, 0)',
|
||
| 1418 | 'Did you mean "memset(buf, 0, xsize * ysize)"?'
|
||
| 1419 | ' [runtime/memset] [4]')
|
||
| 1420 | |||
| 1421 | # There is legitimate test code that uses this form.
|
||
| 1422 | # This is okay since the second argument is a literal.
|
||
| 1423 | self.TestLint(
|
||
| 1424 | " memset(buf, 'y', 0)",
|
||
| 1425 | '')
|
||
| 1426 | self.TestLint(
|
||
| 1427 | ' memset(buf, 4, 0)',
|
||
| 1428 | '')
|
||
| 1429 | self.TestLint(
|
||
| 1430 | ' memset(buf, -1, 0)',
|
||
| 1431 | '')
|
||
| 1432 | self.TestLint(
|
||
| 1433 | ' memset(buf, 0xF1, 0)',
|
||
| 1434 | '')
|
||
| 1435 | self.TestLint(
|
||
| 1436 | ' memset(buf, 0xcd, 0)',
|
||
| 1437 | '')
|
||
| 1438 | |||
| 1439 | def testRedundantVirtual(self): |
||
| 1440 | self.TestLint('virtual void F()', '') |
||
| 1441 | self.TestLint('virtual void F();', '') |
||
| 1442 | self.TestLint('virtual void F() {}', '') |
||
| 1443 | |||
| 1444 | message_template = ('"%s" is redundant since function is already '
|
||
| 1445 | 'declared as "%s" [readability/inheritance] [4]')
|
||
| 1446 | for virt_specifier in ['override', 'final']: |
||
| 1447 | error_message = message_template % ('virtual', virt_specifier)
|
||
| 1448 | self.TestLint('virtual int F() %s' % virt_specifier, error_message) |
||
| 1449 | self.TestLint('virtual int F() %s;' % virt_specifier, error_message) |
||
| 1450 | self.TestLint('virtual int F() %s {' % virt_specifier, error_message) |
||
| 1451 | |||
| 1452 | error_collector = ErrorCollector(self.assert_)
|
||
| 1453 | cpplint.ProcessFileData( |
||
| 1454 | 'foo.cc', 'cc', |
||
| 1455 | ['// Copyright 2014 Your Company.',
|
||
| 1456 | 'virtual void F(int a,',
|
||
| 1457 | ' int b) ' + virt_specifier + ';', |
||
| 1458 | 'virtual void F(int a,',
|
||
| 1459 | ' int b) LOCKS_EXCLUDED(lock) ' + virt_specifier + ';', |
||
| 1460 | 'virtual void F(int a,',
|
||
| 1461 | ' int b)',
|
||
| 1462 | ' LOCKS_EXCLUDED(lock) ' + virt_specifier + ';', |
||
| 1463 | ''],
|
||
| 1464 | error_collector) |
||
| 1465 | self.assertEquals(
|
||
| 1466 | [error_message, error_message, error_message], |
||
| 1467 | error_collector.Results()) |
||
| 1468 | |||
| 1469 | error_message = message_template % ('override', 'final') |
||
| 1470 | self.TestLint('int F() override final', error_message) |
||
| 1471 | self.TestLint('int F() override final;', error_message) |
||
| 1472 | self.TestLint('int F() override final {}', error_message) |
||
| 1473 | self.TestLint('int F() final override', error_message) |
||
| 1474 | self.TestLint('int F() final override;', error_message) |
||
| 1475 | self.TestLint('int F() final override {}', error_message) |
||
| 1476 | |||
| 1477 | error_collector = ErrorCollector(self.assert_)
|
||
| 1478 | cpplint.ProcessFileData( |
||
| 1479 | 'foo.cc', 'cc', |
||
| 1480 | ['// Copyright 2014 Your Company.',
|
||
| 1481 | 'struct A : virtual B {',
|
||
| 1482 | ' ~A() override;'
|
||
| 1483 | '};',
|
||
| 1484 | 'class C',
|
||
| 1485 | ' : public D,',
|
||
| 1486 | ' public virtual E {',
|
||
| 1487 | ' void Func() override;',
|
||
| 1488 | '}',
|
||
| 1489 | ''],
|
||
| 1490 | error_collector) |
||
| 1491 | self.assertEquals('', error_collector.Results()) |
||
| 1492 | |||
| 1493 | self.TestLint('void Finalize(AnnotationProto *final) override;', '') |
||
| 1494 | |||
| 1495 | def testCheckDeprecated(self): |
||
| 1496 | self.TestLanguageRulesCheck('foo_test.cc', '#include <iostream>', '') |
||
| 1497 | self.TestLanguageRulesCheck('foo_unittest.cc', '#include <iostream>', '') |
||
| 1498 | |||
| 1499 | def testCheckPosixThreading(self): |
||
| 1500 | self.TestLint('var = sctime_r()', '') |
||
| 1501 | self.TestLint('var = strtok_r()', '') |
||
| 1502 | self.TestLint('var = strtok_r(foo, ba, r)', '') |
||
| 1503 | self.TestLint('var = brand()', '') |
||
| 1504 | self.TestLint('_rand()', '') |
||
| 1505 | self.TestLint('.rand()', '') |
||
| 1506 | self.TestLint('->rand()', '') |
||
| 1507 | self.TestLint('ACMRandom rand(seed)', '') |
||
| 1508 | self.TestLint('ISAACRandom rand()', '') |
||
| 1509 | self.TestLint('var = rand()', |
||
| 1510 | 'Consider using rand_r(...) instead of rand(...)'
|
||
| 1511 | ' for improved thread safety.'
|
||
| 1512 | ' [runtime/threadsafe_fn] [2]')
|
||
| 1513 | self.TestLint('var = strtok(str, delim)', |
||
| 1514 | 'Consider using strtok_r(...) '
|
||
| 1515 | 'instead of strtok(...)'
|
||
| 1516 | ' for improved thread safety.'
|
||
| 1517 | ' [runtime/threadsafe_fn] [2]')
|
||
| 1518 | |||
| 1519 | def testVlogMisuse(self): |
||
| 1520 | self.TestLint('VLOG(1)', '') |
||
| 1521 | self.TestLint('VLOG(99)', '') |
||
| 1522 | self.TestLint('LOG(ERROR)', '') |
||
| 1523 | self.TestLint('LOG(INFO)', '') |
||
| 1524 | self.TestLint('LOG(WARNING)', '') |
||
| 1525 | self.TestLint('LOG(FATAL)', '') |
||
| 1526 | self.TestLint('LOG(DFATAL)', '') |
||
| 1527 | self.TestLint('VLOG(SOMETHINGWEIRD)', '') |
||
| 1528 | self.TestLint('MYOWNVLOG(ERROR)', '') |
||
| 1529 | errmsg = ('VLOG() should be used with numeric verbosity level. '
|
||
| 1530 | 'Use LOG() if you want symbolic severity levels.'
|
||
| 1531 | ' [runtime/vlog] [5]')
|
||
| 1532 | self.TestLint('VLOG(ERROR)', errmsg) |
||
| 1533 | self.TestLint('VLOG(INFO)', errmsg) |
||
| 1534 | self.TestLint('VLOG(WARNING)', errmsg) |
||
| 1535 | self.TestLint('VLOG(FATAL)', errmsg) |
||
| 1536 | self.TestLint('VLOG(DFATAL)', errmsg) |
||
| 1537 | self.TestLint(' VLOG(ERROR)', errmsg) |
||
| 1538 | self.TestLint(' VLOG(INFO)', errmsg) |
||
| 1539 | self.TestLint(' VLOG(WARNING)', errmsg) |
||
| 1540 | self.TestLint(' VLOG(FATAL)', errmsg) |
||
| 1541 | self.TestLint(' VLOG(DFATAL)', errmsg) |
||
| 1542 | |||
| 1543 | |||
| 1544 | # Test potential format string bugs like printf(foo).
|
||
| 1545 | def testFormatStrings(self): |
||
| 1546 | self.TestLint('printf("foo")', '') |
||
| 1547 | self.TestLint('printf("foo: %s", foo)', '') |
||
| 1548 | self.TestLint('DocidForPrintf(docid)', '') # Should not trigger. |
||
| 1549 | self.TestLint('printf(format, value)', '') # Should not trigger. |
||
| 1550 | self.TestLint('printf(__VA_ARGS__)', '') # Should not trigger. |
||
| 1551 | self.TestLint('printf(format.c_str(), value)', '') # Should not trigger. |
||
| 1552 | self.TestLint('printf(format(index).c_str(), value)', '') |
||
| 1553 | self.TestLint(
|
||
| 1554 | 'printf(foo)',
|
||
| 1555 | 'Potential format string bug. Do printf("%s", foo) instead.'
|
||
| 1556 | ' [runtime/printf] [4]')
|
||
| 1557 | self.TestLint(
|
||
| 1558 | 'printf(foo.c_str())',
|
||
| 1559 | 'Potential format string bug. '
|
||
| 1560 | 'Do printf("%s", foo.c_str()) instead.'
|
||
| 1561 | ' [runtime/printf] [4]')
|
||
| 1562 | self.TestLint(
|
||
| 1563 | 'printf(foo->c_str())',
|
||
| 1564 | 'Potential format string bug. '
|
||
| 1565 | 'Do printf("%s", foo->c_str()) instead.'
|
||
| 1566 | ' [runtime/printf] [4]')
|
||
| 1567 | self.TestLint(
|
||
| 1568 | 'StringPrintf(foo)',
|
||
| 1569 | 'Potential format string bug. Do StringPrintf("%s", foo) instead.'
|
||
| 1570 | ''
|
||
| 1571 | ' [runtime/printf] [4]')
|
||
| 1572 | |||
| 1573 | # Test disallowed use of operator& and other operators.
|
||
| 1574 | def testIllegalOperatorOverloading(self): |
||
| 1575 | errmsg = ('Unary operator& is dangerous. Do not use it.'
|
||
| 1576 | ' [runtime/operator] [4]')
|
||
| 1577 | self.TestLint('void operator=(const Myclass&)', '') |
||
| 1578 | self.TestLint('void operator&(int a, int b)', '') # binary operator& ok |
||
| 1579 | self.TestLint('void operator&() { }', errmsg) |
||
| 1580 | self.TestLint('void operator & ( ) { }', |
||
| 1581 | ['Extra space after ( [whitespace/parens] [2]', errmsg])
|
||
| 1582 | |||
| 1583 | # const string reference members are dangerous..
|
||
| 1584 | def testConstStringReferenceMembers(self): |
||
| 1585 | errmsg = ('const string& members are dangerous. It is much better to use '
|
||
| 1586 | 'alternatives, such as pointers or simple constants.'
|
||
| 1587 | ' [runtime/member_string_references] [2]')
|
||
| 1588 | |||
| 1589 | members_declarations = ['const string& church',
|
||
| 1590 | 'const string &turing',
|
||
| 1591 | 'const string & godel']
|
||
| 1592 | # TODO(unknown): Enable also these tests if and when we ever
|
||
| 1593 | # decide to check for arbitrary member references.
|
||
| 1594 | # "const Turing & a",
|
||
| 1595 | # "const Church& a",
|
||
| 1596 | # "const vector<int>& a",
|
||
| 1597 | # "const Kurt::Godel & godel",
|
||
| 1598 | # "const Kazimierz::Kuratowski& kk" ]
|
||
| 1599 | |||
| 1600 | # The Good.
|
||
| 1601 | |||
| 1602 | self.TestLint('void f(const string&)', '') |
||
| 1603 | self.TestLint('const string& f(const string& a, const string& b)', '') |
||
| 1604 | self.TestLint('typedef const string& A;', '') |
||
| 1605 | |||
| 1606 | for decl in members_declarations: |
||
| 1607 | self.TestLint(decl + ' = b;', '') |
||
| 1608 | self.TestLint(decl + ' =', '') |
||
| 1609 | |||
| 1610 | # The Bad.
|
||
| 1611 | |||
| 1612 | for decl in members_declarations: |
||
| 1613 | self.TestLint(decl + ';', errmsg) |
||
| 1614 | |||
| 1615 | # Variable-length arrays are not permitted.
|
||
| 1616 | def testVariableLengthArrayDetection(self): |
||
| 1617 | errmsg = ('Do not use variable-length arrays. Use an appropriately named '
|
||
| 1618 | "('k' followed by CamelCase) compile-time constant for the size."
|
||
| 1619 | ' [runtime/arrays] [1]')
|
||
| 1620 | |||
| 1621 | self.TestLint('int a[any_old_variable];', errmsg) |
||
| 1622 | self.TestLint('int doublesize[some_var * 2];', errmsg) |
||
| 1623 | self.TestLint('int a[afunction()];', errmsg) |
||
| 1624 | self.TestLint('int a[function(kMaxFooBars)];', errmsg) |
||
| 1625 | self.TestLint('bool a_list[items_->size()];', errmsg) |
||
| 1626 | self.TestLint('namespace::Type buffer[len+1];', errmsg) |
||
| 1627 | |||
| 1628 | self.TestLint('int a[64];', '') |
||
| 1629 | self.TestLint('int a[0xFF];', '') |
||
| 1630 | self.TestLint('int first[256], second[256];', '') |
||
| 1631 | self.TestLint('int array_name[kCompileTimeConstant];', '') |
||
| 1632 | self.TestLint('char buf[somenamespace::kBufSize];', '') |
||
| 1633 | self.TestLint('int array_name[ALL_CAPS];', '') |
||
| 1634 | self.TestLint('AClass array1[foo::bar::ALL_CAPS];', '') |
||
| 1635 | self.TestLint('int a[kMaxStrLen + 1];', '') |
||
| 1636 | self.TestLint('int a[sizeof(foo)];', '') |
||
| 1637 | self.TestLint('int a[sizeof(*foo)];', '') |
||
| 1638 | self.TestLint('int a[sizeof foo];', '') |
||
| 1639 | self.TestLint('int a[sizeof(struct Foo)];', '') |
||
| 1640 | self.TestLint('int a[128 - sizeof(const bar)];', '') |
||
| 1641 | self.TestLint('int a[(sizeof(foo) * 4)];', '') |
||
| 1642 | self.TestLint('int a[(arraysize(fixed_size_array)/2) << 1];', '') |
||
| 1643 | self.TestLint('delete a[some_var];', '') |
||
| 1644 | self.TestLint('return a[some_var];', '') |
||
| 1645 | |||
| 1646 | # DISALLOW_COPY_AND_ASSIGN and DISALLOW_IMPLICIT_CONSTRUCTORS should be at
|
||
| 1647 | # end of class if present.
|
||
| 1648 | def testDisallowMacrosAtEnd(self): |
||
| 1649 | for macro_name in ( |
||
| 1650 | 'DISALLOW_COPY_AND_ASSIGN',
|
||
| 1651 | 'DISALLOW_IMPLICIT_CONSTRUCTORS'):
|
||
| 1652 | error_collector = ErrorCollector(self.assert_)
|
||
| 1653 | cpplint.ProcessFileData( |
||
| 1654 | 'foo.cc', 'cc', |
||
| 1655 | ['// Copyright 2014 Your Company.',
|
||
| 1656 | 'class SomeClass {',
|
||
| 1657 | ' private:',
|
||
| 1658 | ' %s(SomeClass);' % macro_name,
|
||
| 1659 | ' int member_;',
|
||
| 1660 | '};',
|
||
| 1661 | ''],
|
||
| 1662 | error_collector) |
||
| 1663 | self.assertEquals(
|
||
| 1664 | ('%s should be the last thing in the class' % macro_name) +
|
||
| 1665 | ' [readability/constructors] [3]',
|
||
| 1666 | error_collector.Results()) |
||
| 1667 | |||
| 1668 | error_collector = ErrorCollector(self.assert_)
|
||
| 1669 | cpplint.ProcessFileData( |
||
| 1670 | 'foo.cc', 'cc', |
||
| 1671 | ['// Copyright 2014 Your Company.',
|
||
| 1672 | 'class OuterClass {',
|
||
| 1673 | ' private:',
|
||
| 1674 | ' struct InnerClass {',
|
||
| 1675 | ' private:',
|
||
| 1676 | ' %s(InnerClass);' % macro_name,
|
||
| 1677 | ' int member;',
|
||
| 1678 | ' };',
|
||
| 1679 | '};',
|
||
| 1680 | ''],
|
||
| 1681 | error_collector) |
||
| 1682 | self.assertEquals(
|
||
| 1683 | ('%s should be the last thing in the class' % macro_name) +
|
||
| 1684 | ' [readability/constructors] [3]',
|
||
| 1685 | error_collector.Results()) |
||
| 1686 | |||
| 1687 | error_collector = ErrorCollector(self.assert_)
|
||
| 1688 | cpplint.ProcessFileData( |
||
| 1689 | 'foo.cc', 'cc', |
||
| 1690 | ['// Copyright 2014 Your Company.',
|
||
| 1691 | 'class OuterClass1 {',
|
||
| 1692 | ' private:',
|
||
| 1693 | ' struct InnerClass1 {',
|
||
| 1694 | ' private:',
|
||
| 1695 | ' %s(InnerClass1);' % macro_name,
|
||
| 1696 | ' };',
|
||
| 1697 | ' %s(OuterClass1);' % macro_name,
|
||
| 1698 | '};',
|
||
| 1699 | 'struct OuterClass2 {',
|
||
| 1700 | ' private:',
|
||
| 1701 | ' class InnerClass2 {',
|
||
| 1702 | ' private:',
|
||
| 1703 | ' %s(InnerClass2);' % macro_name,
|
||
| 1704 | ' // comment',
|
||
| 1705 | ' };',
|
||
| 1706 | '',
|
||
| 1707 | ' %s(OuterClass2);' % macro_name,
|
||
| 1708 | '',
|
||
| 1709 | ' // comment',
|
||
| 1710 | '};',
|
||
| 1711 | 'void Func() {',
|
||
| 1712 | ' struct LocalClass {',
|
||
| 1713 | ' private:',
|
||
| 1714 | ' %s(LocalClass);' % macro_name,
|
||
| 1715 | ' } variable;',
|
||
| 1716 | '}',
|
||
| 1717 | ''],
|
||
| 1718 | error_collector) |
||
| 1719 | self.assertEquals('', error_collector.Results()) |
||
| 1720 | |||
| 1721 | # DISALLOW* macros should be in the private: section.
|
||
| 1722 | def testMisplacedDisallowMacros(self): |
||
| 1723 | for macro_name in ( |
||
| 1724 | 'DISALLOW_COPY_AND_ASSIGN',
|
||
| 1725 | 'DISALLOW_IMPLICIT_CONSTRUCTORS'):
|
||
| 1726 | self.TestMultiLineLint(
|
||
| 1727 | """
|
||
| 1728 | class A {'
|
||
| 1729 | public:
|
||
| 1730 | %s(A);
|
||
| 1731 | };""" % macro_name,
|
||
| 1732 | ('%s must be in the private: section' % macro_name) +
|
||
| 1733 | ' [readability/constructors] [3]')
|
||
| 1734 | |||
| 1735 | self.TestMultiLineLint(
|
||
| 1736 | """
|
||
| 1737 | struct B {'
|
||
| 1738 | %s(B);
|
||
| 1739 | };""" % macro_name,
|
||
| 1740 | ('%s must be in the private: section' % macro_name) +
|
||
| 1741 | ' [readability/constructors] [3]')
|
||
| 1742 | |||
| 1743 | self.TestMultiLineLint(
|
||
| 1744 | """
|
||
| 1745 | class Outer1 {'
|
||
| 1746 | private:
|
||
| 1747 | struct Inner1 {
|
||
| 1748 | %s(Inner1);
|
||
| 1749 | };
|
||
| 1750 | %s(Outer1);
|
||
| 1751 | };""" % (macro_name, macro_name),
|
||
| 1752 | ('%s must be in the private: section' % macro_name) +
|
||
| 1753 | ' [readability/constructors] [3]')
|
||
| 1754 | |||
| 1755 | self.TestMultiLineLint(
|
||
| 1756 | """
|
||
| 1757 | class Outer2 {'
|
||
| 1758 | private:
|
||
| 1759 | class Inner2 {
|
||
| 1760 | %s(Inner2);
|
||
| 1761 | };
|
||
| 1762 | %s(Outer2);
|
||
| 1763 | };""" % (macro_name, macro_name),
|
||
| 1764 | '')
|
||
| 1765 | # Extra checks to make sure that nested classes are handled
|
||
| 1766 | # correctly. Use different macros for inner and outer classes so
|
||
| 1767 | # that we can tell the error messages apart.
|
||
| 1768 | self.TestMultiLineLint(
|
||
| 1769 | """
|
||
| 1770 | class Outer3 {
|
||
| 1771 | struct Inner3 {
|
||
| 1772 | DISALLOW_COPY_AND_ASSIGN(Inner3);
|
||
| 1773 | };
|
||
| 1774 | DISALLOW_IMPLICIT_CONSTRUCTORS(Outer3);
|
||
| 1775 | };""",
|
||
| 1776 | ('DISALLOW_COPY_AND_ASSIGN must be in the private: section'
|
||
| 1777 | ' [readability/constructors] [3]'))
|
||
| 1778 | self.TestMultiLineLint(
|
||
| 1779 | """
|
||
| 1780 | struct Outer4 {
|
||
| 1781 | class Inner4 {
|
||
| 1782 | DISALLOW_COPY_AND_ASSIGN(Inner4);
|
||
| 1783 | };
|
||
| 1784 | DISALLOW_IMPLICIT_CONSTRUCTORS(Outer4);
|
||
| 1785 | };""",
|
||
| 1786 | ('DISALLOW_IMPLICIT_CONSTRUCTORS must be in the private: section'
|
||
| 1787 | ' [readability/constructors] [3]'))
|
||
| 1788 | |||
| 1789 | # Brace usage
|
||
| 1790 | def testBraces(self): |
||
| 1791 | # Braces shouldn't be followed by a ; unless they're defining a struct
|
||
| 1792 | # or initializing an array
|
||
| 1793 | self.TestLint('int a[3] = { 1, 2, 3 };', '') |
||
| 1794 | self.TestLint(
|
||
| 1795 | """const int foo[] =
|
||
| 1796 | {1, 2, 3 };""",
|
||
| 1797 | '')
|
||
| 1798 | # For single line, unmatched '}' with a ';' is ignored (not enough context)
|
||
| 1799 | self.TestMultiLineLint(
|
||
| 1800 | """int a[3] = { 1,
|
||
| 1801 | 2,
|
||
| 1802 | 3 };""",
|
||
| 1803 | '')
|
||
| 1804 | self.TestMultiLineLint(
|
||
| 1805 | """int a[2][3] = { { 1, 2 },
|
||
| 1806 | { 3, 4 } };""",
|
||
| 1807 | '')
|
||
| 1808 | self.TestMultiLineLint(
|
||
| 1809 | """int a[2][3] =
|
||
| 1810 | { { 1, 2 },
|
||
| 1811 | { 3, 4 } };""",
|
||
| 1812 | '')
|
||
| 1813 | |||
| 1814 | # CHECK/EXPECT_TRUE/EXPECT_FALSE replacements
|
||
| 1815 | def testCheckCheck(self): |
||
| 1816 | self.TestLint('CHECK(x == 42);', |
||
| 1817 | 'Consider using CHECK_EQ instead of CHECK(a == b)'
|
||
| 1818 | ' [readability/check] [2]')
|
||
| 1819 | self.TestLint('CHECK(x != 42);', |
||
| 1820 | 'Consider using CHECK_NE instead of CHECK(a != b)'
|
||
| 1821 | ' [readability/check] [2]')
|
||
| 1822 | self.TestLint('CHECK(x >= 42);', |
||
| 1823 | 'Consider using CHECK_GE instead of CHECK(a >= b)'
|
||
| 1824 | ' [readability/check] [2]')
|
||
| 1825 | self.TestLint('CHECK(x > 42);', |
||
| 1826 | 'Consider using CHECK_GT instead of CHECK(a > b)'
|
||
| 1827 | ' [readability/check] [2]')
|
||
| 1828 | self.TestLint('CHECK(x <= 42);', |
||
| 1829 | 'Consider using CHECK_LE instead of CHECK(a <= b)'
|
||
| 1830 | ' [readability/check] [2]')
|
||
| 1831 | self.TestLint('CHECK(x < 42);', |
||
| 1832 | 'Consider using CHECK_LT instead of CHECK(a < b)'
|
||
| 1833 | ' [readability/check] [2]')
|
||
| 1834 | |||
| 1835 | self.TestLint('DCHECK(x == 42);', |
||
| 1836 | 'Consider using DCHECK_EQ instead of DCHECK(a == b)'
|
||
| 1837 | ' [readability/check] [2]')
|
||
| 1838 | self.TestLint('DCHECK(x != 42);', |
||
| 1839 | 'Consider using DCHECK_NE instead of DCHECK(a != b)'
|
||
| 1840 | ' [readability/check] [2]')
|
||
| 1841 | self.TestLint('DCHECK(x >= 42);', |
||
| 1842 | 'Consider using DCHECK_GE instead of DCHECK(a >= b)'
|
||
| 1843 | ' [readability/check] [2]')
|
||
| 1844 | self.TestLint('DCHECK(x > 42);', |
||
| 1845 | 'Consider using DCHECK_GT instead of DCHECK(a > b)'
|
||
| 1846 | ' [readability/check] [2]')
|
||
| 1847 | self.TestLint('DCHECK(x <= 42);', |
||
| 1848 | 'Consider using DCHECK_LE instead of DCHECK(a <= b)'
|
||
| 1849 | ' [readability/check] [2]')
|
||
| 1850 | self.TestLint('DCHECK(x < 42);', |
||
| 1851 | 'Consider using DCHECK_LT instead of DCHECK(a < b)'
|
||
| 1852 | ' [readability/check] [2]')
|
||
| 1853 | |||
| 1854 | self.TestLint(
|
||
| 1855 | 'EXPECT_TRUE("42" == x);',
|
||
| 1856 | 'Consider using EXPECT_EQ instead of EXPECT_TRUE(a == b)'
|
||
| 1857 | ' [readability/check] [2]')
|
||
| 1858 | self.TestLint(
|
||
| 1859 | 'EXPECT_TRUE("42" != x);',
|
||
| 1860 | 'Consider using EXPECT_NE instead of EXPECT_TRUE(a != b)'
|
||
| 1861 | ' [readability/check] [2]')
|
||
| 1862 | self.TestLint(
|
||
| 1863 | 'EXPECT_TRUE(+42 >= x);',
|
||
| 1864 | 'Consider using EXPECT_GE instead of EXPECT_TRUE(a >= b)'
|
||
| 1865 | ' [readability/check] [2]')
|
||
| 1866 | self.TestLint(
|
||
| 1867 | 'EXPECT_TRUE_M(-42 > x);',
|
||
| 1868 | 'Consider using EXPECT_GT_M instead of EXPECT_TRUE_M(a > b)'
|
||
| 1869 | ' [readability/check] [2]')
|
||
| 1870 | self.TestLint(
|
||
| 1871 | 'EXPECT_TRUE_M(42U <= x);',
|
||
| 1872 | 'Consider using EXPECT_LE_M instead of EXPECT_TRUE_M(a <= b)'
|
||
| 1873 | ' [readability/check] [2]')
|
||
| 1874 | self.TestLint(
|
||
| 1875 | 'EXPECT_TRUE_M(42L < x);',
|
||
| 1876 | 'Consider using EXPECT_LT_M instead of EXPECT_TRUE_M(a < b)'
|
||
| 1877 | ' [readability/check] [2]')
|
||
| 1878 | |||
| 1879 | self.TestLint(
|
||
| 1880 | 'EXPECT_FALSE(x == 42);',
|
||
| 1881 | 'Consider using EXPECT_NE instead of EXPECT_FALSE(a == b)'
|
||
| 1882 | ' [readability/check] [2]')
|
||
| 1883 | self.TestLint(
|
||
| 1884 | 'EXPECT_FALSE(x != 42);',
|
||
| 1885 | 'Consider using EXPECT_EQ instead of EXPECT_FALSE(a != b)'
|
||
| 1886 | ' [readability/check] [2]')
|
||
| 1887 | self.TestLint(
|
||
| 1888 | 'EXPECT_FALSE(x >= 42);',
|
||
| 1889 | 'Consider using EXPECT_LT instead of EXPECT_FALSE(a >= b)'
|
||
| 1890 | ' [readability/check] [2]')
|
||
| 1891 | self.TestLint(
|
||
| 1892 | 'ASSERT_FALSE(x > 42);',
|
||
| 1893 | 'Consider using ASSERT_LE instead of ASSERT_FALSE(a > b)'
|
||
| 1894 | ' [readability/check] [2]')
|
||
| 1895 | self.TestLint(
|
||
| 1896 | 'ASSERT_FALSE(x <= 42);',
|
||
| 1897 | 'Consider using ASSERT_GT instead of ASSERT_FALSE(a <= b)'
|
||
| 1898 | ' [readability/check] [2]')
|
||
| 1899 | self.TestLint(
|
||
| 1900 | 'ASSERT_FALSE_M(x < 42);',
|
||
| 1901 | 'Consider using ASSERT_GE_M instead of ASSERT_FALSE_M(a < b)'
|
||
| 1902 | ' [readability/check] [2]')
|
||
| 1903 | |||
| 1904 | self.TestLint('CHECK(x<42);', |
||
| 1905 | ['Missing spaces around <'
|
||
| 1906 | ' [whitespace/operators] [3]',
|
||
| 1907 | 'Consider using CHECK_LT instead of CHECK(a < b)'
|
||
| 1908 | ' [readability/check] [2]'])
|
||
| 1909 | self.TestLint('CHECK(x>42);', |
||
| 1910 | ['Missing spaces around >'
|
||
| 1911 | ' [whitespace/operators] [3]',
|
||
| 1912 | 'Consider using CHECK_GT instead of CHECK(a > b)'
|
||
| 1913 | ' [readability/check] [2]'])
|
||
| 1914 | |||
| 1915 | self.TestLint('using some::namespace::operator<<;', '') |
||
| 1916 | self.TestLint('using some::namespace::operator>>;', '') |
||
| 1917 | |||
| 1918 | self.TestLint('CHECK(x->y == 42);', |
||
| 1919 | 'Consider using CHECK_EQ instead of CHECK(a == b)'
|
||
| 1920 | ' [readability/check] [2]')
|
||
| 1921 | |||
| 1922 | self.TestLint(
|
||
| 1923 | ' EXPECT_TRUE(42 < x); // Random comment.',
|
||
| 1924 | 'Consider using EXPECT_LT instead of EXPECT_TRUE(a < b)'
|
||
| 1925 | ' [readability/check] [2]')
|
||
| 1926 | self.TestLint(
|
||
| 1927 | 'EXPECT_TRUE( 42 < x );',
|
||
| 1928 | ['Extra space after ( in function call'
|
||
| 1929 | ' [whitespace/parens] [4]',
|
||
| 1930 | 'Extra space before ) [whitespace/parens] [2]',
|
||
| 1931 | 'Consider using EXPECT_LT instead of EXPECT_TRUE(a < b)'
|
||
| 1932 | ' [readability/check] [2]'])
|
||
| 1933 | |||
| 1934 | self.TestLint('CHECK(4\'2 == x);', |
||
| 1935 | 'Consider using CHECK_EQ instead of CHECK(a == b)'
|
||
| 1936 | ' [readability/check] [2]')
|
||
| 1937 | |||
| 1938 | def testCheckCheckFalsePositives(self): |
||
| 1939 | self.TestLint('CHECK(some_iterator == obj.end());', '') |
||
| 1940 | self.TestLint('EXPECT_TRUE(some_iterator == obj.end());', '') |
||
| 1941 | self.TestLint('EXPECT_FALSE(some_iterator == obj.end());', '') |
||
| 1942 | self.TestLint('CHECK(some_pointer != NULL);', '') |
||
| 1943 | self.TestLint('EXPECT_TRUE(some_pointer != NULL);', '') |
||
| 1944 | self.TestLint('EXPECT_FALSE(some_pointer != NULL);', '') |
||
| 1945 | |||
| 1946 | self.TestLint('CHECK(CreateTestFile(dir, (1 << 20)));', '') |
||
| 1947 | self.TestLint('CHECK(CreateTestFile(dir, (1 >> 20)));', '') |
||
| 1948 | |||
| 1949 | self.TestLint('CHECK(x ^ (y < 42));', '') |
||
| 1950 | self.TestLint('CHECK((x > 42) ^ (x < 54));', '') |
||
| 1951 | self.TestLint('CHECK(a && b < 42);', '') |
||
| 1952 | self.TestLint('CHECK(42 < a && a < b);', '') |
||
| 1953 | self.TestLint('SOFT_CHECK(x > 42);', '') |
||
| 1954 | |||
| 1955 | self.TestMultiLineLint(
|
||
| 1956 | """_STLP_DEFINE_BINARY_OP_CHECK(==, _OP_EQUAL);
|
||
| 1957 | _STLP_DEFINE_BINARY_OP_CHECK(!=, _OP_NOT_EQUAL);
|
||
| 1958 | _STLP_DEFINE_BINARY_OP_CHECK(<, _OP_LESS_THAN);
|
||
| 1959 | _STLP_DEFINE_BINARY_OP_CHECK(<=, _OP_LESS_EQUAL);
|
||
| 1960 | _STLP_DEFINE_BINARY_OP_CHECK(>, _OP_GREATER_THAN);
|
||
| 1961 | _STLP_DEFINE_BINARY_OP_CHECK(>=, _OP_GREATER_EQUAL);
|
||
| 1962 | _STLP_DEFINE_BINARY_OP_CHECK(+, _OP_PLUS);
|
||
| 1963 | _STLP_DEFINE_BINARY_OP_CHECK(*, _OP_TIMES);
|
||
| 1964 | _STLP_DEFINE_BINARY_OP_CHECK(/, _OP_DIVIDE);
|
||
| 1965 | _STLP_DEFINE_BINARY_OP_CHECK(-, _OP_SUBTRACT);
|
||
| 1966 | _STLP_DEFINE_BINARY_OP_CHECK(%, _OP_MOD);""",
|
||
| 1967 | '')
|
||
| 1968 | |||
| 1969 | self.TestLint('CHECK(x < 42) << "Custom error message";', '') |
||
| 1970 | |||
| 1971 | # Alternative token to punctuation operator replacements
|
||
| 1972 | def testCheckAltTokens(self): |
||
| 1973 | self.TestLint('true or true', |
||
| 1974 | 'Use operator || instead of or'
|
||
| 1975 | ' [readability/alt_tokens] [2]')
|
||
| 1976 | self.TestLint('true and true', |
||
| 1977 | 'Use operator && instead of and'
|
||
| 1978 | ' [readability/alt_tokens] [2]')
|
||
| 1979 | self.TestLint('if (not true)', |
||
| 1980 | 'Use operator ! instead of not'
|
||
| 1981 | ' [readability/alt_tokens] [2]')
|
||
| 1982 | self.TestLint('1 bitor 1', |
||
| 1983 | 'Use operator | instead of bitor'
|
||
| 1984 | ' [readability/alt_tokens] [2]')
|
||
| 1985 | self.TestLint('1 xor 1', |
||
| 1986 | 'Use operator ^ instead of xor'
|
||
| 1987 | ' [readability/alt_tokens] [2]')
|
||
| 1988 | self.TestLint('1 bitand 1', |
||
| 1989 | 'Use operator & instead of bitand'
|
||
| 1990 | ' [readability/alt_tokens] [2]')
|
||
| 1991 | self.TestLint('x = compl 1', |
||
| 1992 | 'Use operator ~ instead of compl'
|
||
| 1993 | ' [readability/alt_tokens] [2]')
|
||
| 1994 | self.TestLint('x and_eq y', |
||
| 1995 | 'Use operator &= instead of and_eq'
|
||
| 1996 | ' [readability/alt_tokens] [2]')
|
||
| 1997 | self.TestLint('x or_eq y', |
||
| 1998 | 'Use operator |= instead of or_eq'
|
||
| 1999 | ' [readability/alt_tokens] [2]')
|
||
| 2000 | self.TestLint('x xor_eq y', |
||
| 2001 | 'Use operator ^= instead of xor_eq'
|
||
| 2002 | ' [readability/alt_tokens] [2]')
|
||
| 2003 | self.TestLint('x not_eq y', |
||
| 2004 | 'Use operator != instead of not_eq'
|
||
| 2005 | ' [readability/alt_tokens] [2]')
|
||
| 2006 | self.TestLint('line_continuation or', |
||
| 2007 | 'Use operator || instead of or'
|
||
| 2008 | ' [readability/alt_tokens] [2]')
|
||
| 2009 | self.TestLint('if(true and(parentheses', |
||
| 2010 | 'Use operator && instead of and'
|
||
| 2011 | ' [readability/alt_tokens] [2]')
|
||
| 2012 | |||
| 2013 | self.TestLint('#include "base/false-and-false.h"', '') |
||
| 2014 | self.TestLint('#error false or false', '') |
||
| 2015 | self.TestLint('false nor false', '') |
||
| 2016 | self.TestLint('false nand false', '') |
||
| 2017 | |||
| 2018 | # Passing and returning non-const references
|
||
| 2019 | def testNonConstReference(self): |
||
| 2020 | # Passing a non-const reference as function parameter is forbidden.
|
||
| 2021 | operand_error_message = ('Is this a non-const reference? '
|
||
| 2022 | 'If so, make const or use a pointer: %s'
|
||
| 2023 | ' [runtime/references] [2]')
|
||
| 2024 | # Warn of use of a non-const reference in operators and functions
|
||
| 2025 | self.TestLint('bool operator>(Foo& s, Foo& f);', |
||
| 2026 | [operand_error_message % 'Foo& s',
|
||
| 2027 | operand_error_message % 'Foo& f'])
|
||
| 2028 | self.TestLint('bool operator+(Foo& s, Foo& f);', |
||
| 2029 | [operand_error_message % 'Foo& s',
|
||
| 2030 | operand_error_message % 'Foo& f'])
|
||
| 2031 | self.TestLint('int len(Foo& s);', operand_error_message % 'Foo& s') |
||
| 2032 | # Allow use of non-const references in a few specific cases
|
||
| 2033 | self.TestLint('stream& operator>>(stream& s, Foo& f);', '') |
||
| 2034 | self.TestLint('stream& operator<<(stream& s, Foo& f);', '') |
||
| 2035 | self.TestLint('void swap(Bar& a, Bar& b);', '') |
||
| 2036 | # Returning a non-const reference from a function is OK.
|
||
| 2037 | self.TestLint('int& g();', '') |
||
| 2038 | # Passing a const reference to a struct (using the struct keyword) is OK.
|
||
| 2039 | self.TestLint('void foo(const struct tm& tm);', '') |
||
| 2040 | # Passing a const reference to a typename is OK.
|
||
| 2041 | self.TestLint('void foo(const typename tm& tm);', '') |
||
| 2042 | # Const reference to a pointer type is OK.
|
||
| 2043 | self.TestLint('void foo(const Bar* const& p) {', '') |
||
| 2044 | self.TestLint('void foo(Bar const* const& p) {', '') |
||
| 2045 | self.TestLint('void foo(Bar* const& p) {', '') |
||
| 2046 | # Const reference to a templated type is OK.
|
||
| 2047 | self.TestLint('void foo(const std::vector<std::string>& v);', '') |
||
| 2048 | # Non-const reference to a pointer type is not OK.
|
||
| 2049 | self.TestLint('void foo(Bar*& p);', |
||
| 2050 | operand_error_message % 'Bar*& p')
|
||
| 2051 | self.TestLint('void foo(const Bar*& p);', |
||
| 2052 | operand_error_message % 'const Bar*& p')
|
||
| 2053 | self.TestLint('void foo(Bar const*& p);', |
||
| 2054 | operand_error_message % 'Bar const*& p')
|
||
| 2055 | self.TestLint('void foo(struct Bar*& p);', |
||
| 2056 | operand_error_message % 'struct Bar*& p')
|
||
| 2057 | self.TestLint('void foo(const struct Bar*& p);', |
||
| 2058 | operand_error_message % 'const struct Bar*& p')
|
||
| 2059 | self.TestLint('void foo(struct Bar const*& p);', |
||
| 2060 | operand_error_message % 'struct Bar const*& p')
|
||
| 2061 | # Non-const reference to a templated type is not OK.
|
||
| 2062 | self.TestLint('void foo(std::vector<int>& p);', |
||
| 2063 | operand_error_message % 'std::vector<int>& p')
|
||
| 2064 | # Returning an address of something is not prohibited.
|
||
| 2065 | self.TestLint('return &something;', '') |
||
| 2066 | self.TestLint('if (condition) {return &something; }', '') |
||
| 2067 | self.TestLint('if (condition) return &something;', '') |
||
| 2068 | self.TestLint('if (condition) address = &something;', '') |
||
| 2069 | self.TestLint('if (condition) result = lhs&rhs;', '') |
||
| 2070 | self.TestLint('if (condition) result = lhs & rhs;', '') |
||
| 2071 | self.TestLint('a = (b+c) * sizeof &f;', '') |
||
| 2072 | self.TestLint('a = MySize(b) * sizeof &f;', '') |
||
| 2073 | # We don't get confused by C++11 range-based for loops.
|
||
| 2074 | self.TestLint('for (const string& s : c)', '') |
||
| 2075 | self.TestLint('for (auto& r : c)', '') |
||
| 2076 | self.TestLint('for (typename Type& a : b)', '') |
||
| 2077 | # We don't get confused by some other uses of '&'.
|
||
| 2078 | self.TestLint('T& operator=(const T& t);', '') |
||
| 2079 | self.TestLint('int g() { return (a & b); }', '') |
||
| 2080 | self.TestLint('T& r = (T&)*(vp());', '') |
||
| 2081 | self.TestLint('T& r = v', '') |
||
| 2082 | self.TestLint('static_assert((kBits & kMask) == 0, "text");', '') |
||
| 2083 | self.TestLint('COMPILE_ASSERT((kBits & kMask) == 0, text);', '') |
||
| 2084 | # Spaces before template arguments. This is poor style, but
|
||
| 2085 | # happens 0.15% of the time.
|
||
| 2086 | self.TestLint('void Func(const vector <int> &const_x, ' |
||
| 2087 | 'vector <int> &nonconst_x) {',
|
||
| 2088 | operand_error_message % 'vector<int> &nonconst_x')
|
||
| 2089 | |||
| 2090 | # Derived member functions are spared from override check
|
||
| 2091 | self.TestLint('void Func(X& x);', operand_error_message % 'X& x') |
||
| 2092 | self.TestLint('void Func(X& x) {}', operand_error_message % 'X& x') |
||
| 2093 | self.TestLint('void Func(X& x) override;', '') |
||
| 2094 | self.TestLint('void Func(X& x) override {', '') |
||
| 2095 | self.TestLint('void Func(X& x) const override;', '') |
||
| 2096 | self.TestLint('void Func(X& x) const override {', '') |
||
| 2097 | |||
| 2098 | # Don't warn on out-of-line method definitions.
|
||
| 2099 | self.TestLint('void NS::Func(X& x) {', '') |
||
| 2100 | error_collector = ErrorCollector(self.assert_)
|
||
| 2101 | cpplint.ProcessFileData( |
||
| 2102 | 'foo.cc', 'cc', |
||
| 2103 | ['// Copyright 2014 Your Company. All Rights Reserved.',
|
||
| 2104 | 'void a::b() {}',
|
||
| 2105 | 'void f(int& q) {}',
|
||
| 2106 | ''],
|
||
| 2107 | error_collector) |
||
| 2108 | self.assertEquals(
|
||
| 2109 | operand_error_message % 'int& q',
|
||
| 2110 | error_collector.Results()) |
||
| 2111 | |||
| 2112 | # Other potential false positives. These need full parser
|
||
| 2113 | # state to reproduce as opposed to just TestLint.
|
||
| 2114 | error_collector = ErrorCollector(self.assert_)
|
||
| 2115 | cpplint.ProcessFileData( |
||
| 2116 | 'foo.cc', 'cc', |
||
| 2117 | ['// Copyright 2014 Your Company. All Rights Reserved.',
|
||
| 2118 | 'void swap(int &x,',
|
||
| 2119 | ' int &y) {',
|
||
| 2120 | '}',
|
||
| 2121 | 'void swap(',
|
||
| 2122 | ' sparsegroup<T, GROUP_SIZE, Alloc> &x,',
|
||
| 2123 | ' sparsegroup<T, GROUP_SIZE, Alloc> &y) {',
|
||
| 2124 | '}',
|
||
| 2125 | 'ostream& operator<<(',
|
||
| 2126 | ' ostream& out',
|
||
| 2127 | ' const dense_hash_set<Value, Hash, Equals, Alloc>& seq) {',
|
||
| 2128 | '}',
|
||
| 2129 | 'class A {',
|
||
| 2130 | ' void Function(',
|
||
| 2131 | ' string &x) override {',
|
||
| 2132 | ' }',
|
||
| 2133 | '};',
|
||
| 2134 | 'void Derived::Function(',
|
||
| 2135 | ' string &x) {',
|
||
| 2136 | '}',
|
||
| 2137 | '#define UNSUPPORTED_MASK(_mask) \\',
|
||
| 2138 | ' if (flags & _mask) { \\',
|
||
| 2139 | ' LOG(FATAL) << "Unsupported flag: " << #_mask; \\',
|
||
| 2140 | ' }',
|
||
| 2141 | 'Constructor::Constructor()',
|
||
| 2142 | ' : initializer1_(a1 & b1),',
|
||
| 2143 | ' initializer2_(a2 & b2) {',
|
||
| 2144 | '}',
|
||
| 2145 | 'Constructor::Constructor()',
|
||
| 2146 | ' : initializer1_{a3 & b3},',
|
||
| 2147 | ' initializer2_(a4 & b4) {',
|
||
| 2148 | '}',
|
||
| 2149 | 'Constructor::Constructor()',
|
||
| 2150 | ' : initializer1_{a5 & b5},',
|
||
| 2151 | ' initializer2_(a6 & b6) {}',
|
||
| 2152 | ''],
|
||
| 2153 | error_collector) |
||
| 2154 | self.assertEquals('', error_collector.Results()) |
||
| 2155 | |||
| 2156 | # Multi-line references
|
||
| 2157 | error_collector = ErrorCollector(self.assert_)
|
||
| 2158 | cpplint.ProcessFileData( |
||
| 2159 | 'foo.cc', 'cc', |
||
| 2160 | ['// Copyright 2014 Your Company. All Rights Reserved.',
|
||
| 2161 | 'void Func(const Outer::',
|
||
| 2162 | ' Inner& const_x,',
|
||
| 2163 | ' const Outer',
|
||
| 2164 | ' ::Inner& const_y,',
|
||
| 2165 | ' const Outer<',
|
||
| 2166 | ' int>::Inner& const_z,',
|
||
| 2167 | ' Outer::',
|
||
| 2168 | ' Inner& nonconst_x,',
|
||
| 2169 | ' Outer',
|
||
| 2170 | ' ::Inner& nonconst_y,',
|
||
| 2171 | ' Outer<',
|
||
| 2172 | ' int>::Inner& nonconst_z) {',
|
||
| 2173 | '}',
|
||
| 2174 | ''],
|
||
| 2175 | error_collector) |
||
| 2176 | self.assertEquals(
|
||
| 2177 | [operand_error_message % 'Outer::Inner& nonconst_x',
|
||
| 2178 | operand_error_message % 'Outer::Inner& nonconst_y',
|
||
| 2179 | operand_error_message % 'Outer<int>::Inner& nonconst_z'],
|
||
| 2180 | error_collector.Results()) |
||
| 2181 | |||
| 2182 | # A peculiar false positive due to bad template argument parsing
|
||
| 2183 | error_collector = ErrorCollector(self.assert_)
|
||
| 2184 | cpplint.ProcessFileData( |
||
| 2185 | 'foo.cc', 'cc', |
||
| 2186 | ['// Copyright 2014 Your Company. All Rights Reserved.',
|
||
| 2187 | 'inline RCULocked<X>::ReadPtr::ReadPtr(const RCULocked* rcu) {',
|
||
| 2188 | ' DCHECK(!(data & kFlagMask)) << "Error";',
|
||
| 2189 | '}',
|
||
| 2190 | '',
|
||
| 2191 | 'RCULocked<X>::WritePtr::WritePtr(RCULocked* rcu)',
|
||
| 2192 | ' : lock_(&rcu_->mutex_) {',
|
||
| 2193 | '}',
|
||
| 2194 | ''],
|
||
| 2195 | error_collector.Results()) |
||
| 2196 | self.assertEquals('', error_collector.Results()) |
||
| 2197 | |||
| 2198 | def testBraceAtBeginOfLine(self): |
||
| 2199 | self.TestLint('{', |
||
| 2200 | '{ should almost always be at the end of the previous line'
|
||
| 2201 | ' [whitespace/braces] [4]')
|
||
| 2202 | |||
| 2203 | error_collector = ErrorCollector(self.assert_)
|
||
| 2204 | cpplint.ProcessFileData('foo.cc', 'cc', |
||
| 2205 | ['int function()',
|
||
| 2206 | '{', # warning here |
||
| 2207 | ' MutexLock l(&mu);',
|
||
| 2208 | '}',
|
||
| 2209 | 'int variable;'
|
||
| 2210 | '{', # no warning |
||
| 2211 | ' MutexLock l(&mu);',
|
||
| 2212 | '}',
|
||
| 2213 | 'MyType m = {',
|
||
| 2214 | ' {value1, value2},',
|
||
| 2215 | ' {', # no warning |
||
| 2216 | ' loooong_value1, looooong_value2',
|
||
| 2217 | ' }',
|
||
| 2218 | '};',
|
||
| 2219 | '#if PREPROCESSOR',
|
||
| 2220 | '{', # no warning |
||
| 2221 | ' MutexLock l(&mu);',
|
||
| 2222 | '}',
|
||
| 2223 | '#endif'],
|
||
| 2224 | error_collector) |
||
| 2225 | self.assertEquals(1, error_collector.Results().count( |
||
| 2226 | '{ should almost always be at the end of the previous line'
|
||
| 2227 | ' [whitespace/braces] [4]'))
|
||
| 2228 | |||
| 2229 | self.TestMultiLineLint(
|
||
| 2230 | """
|
||
| 2231 | foo(
|
||
| 2232 | {
|
||
| 2233 | loooooooooooooooong_value,
|
||
| 2234 | });""",
|
||
| 2235 | '')
|
||
| 2236 | |||
| 2237 | def testMismatchingSpacesInParens(self): |
||
| 2238 | self.TestLint('if (foo ) {', 'Mismatching spaces inside () in if' |
||
| 2239 | ' [whitespace/parens] [5]')
|
||
| 2240 | self.TestLint('switch ( foo) {', 'Mismatching spaces inside () in switch' |
||
| 2241 | ' [whitespace/parens] [5]')
|
||
| 2242 | self.TestLint('for (foo; ba; bar ) {', 'Mismatching spaces inside () in for' |
||
| 2243 | ' [whitespace/parens] [5]')
|
||
| 2244 | self.TestLint('for (; foo; bar) {', '') |
||
| 2245 | self.TestLint('for ( ; foo; bar) {', '') |
||
| 2246 | self.TestLint('for ( ; foo; bar ) {', '') |
||
| 2247 | self.TestLint('for (foo; bar; ) {', '') |
||
| 2248 | self.TestLint('while ( foo ) {', 'Should have zero or one spaces inside' |
||
| 2249 | ' ( and ) in while [whitespace/parens] [5]')
|
||
| 2250 | |||
| 2251 | def testSpacingForFncall(self): |
||
| 2252 | self.TestLint('if (foo) {', '') |
||
| 2253 | self.TestLint('for (foo; bar; baz) {', '') |
||
| 2254 | self.TestLint('for (;;) {', '') |
||
| 2255 | # Space should be allowed in placement new operators.
|
||
| 2256 | self.TestLint('Something* p = new (place) Something();', '') |
||
| 2257 | # Test that there is no warning when increment statement is empty.
|
||
| 2258 | self.TestLint('for (foo; baz;) {', '') |
||
| 2259 | self.TestLint('for (foo;bar;baz) {', 'Missing space after ;' |
||
| 2260 | ' [whitespace/semicolon] [3]')
|
||
| 2261 | # we don't warn about this semicolon, at least for now
|
||
| 2262 | self.TestLint('if (condition) {return &something; }', |
||
| 2263 | '')
|
||
| 2264 | # seen in some macros
|
||
| 2265 | self.TestLint('DoSth();\\', '') |
||
| 2266 | # Test that there is no warning about semicolon here.
|
||
| 2267 | self.TestLint('abc;// this is abc', |
||
| 2268 | 'At least two spaces is best between code'
|
||
| 2269 | ' and comments [whitespace/comments] [2]')
|
||
| 2270 | self.TestLint('while (foo) {', '') |
||
| 2271 | self.TestLint('switch (foo) {', '') |
||
| 2272 | self.TestLint('foo( bar)', 'Extra space after ( in function call' |
||
| 2273 | ' [whitespace/parens] [4]')
|
||
| 2274 | self.TestLint('foo( // comment', '') |
||
| 2275 | self.TestLint('foo( // comment', |
||
| 2276 | 'At least two spaces is best between code'
|
||
| 2277 | ' and comments [whitespace/comments] [2]')
|
||
| 2278 | self.TestLint('foobar( \\', '') |
||
| 2279 | self.TestLint('foobar( \\', '') |
||
| 2280 | self.TestLint('( a + b)', 'Extra space after (' |
||
| 2281 | ' [whitespace/parens] [2]')
|
||
| 2282 | self.TestLint('((a+b))', '') |
||
| 2283 | self.TestLint('foo (foo)', 'Extra space before ( in function call' |
||
| 2284 | ' [whitespace/parens] [4]')
|
||
| 2285 | self.TestLint('} catch (const Foo& ex) {', '') |
||
| 2286 | self.TestLint('case (42):', '') |
||
| 2287 | self.TestLint('typedef foo (*foo)(foo)', '') |
||
| 2288 | self.TestLint('typedef foo (*foo12bar_)(foo)', '') |
||
| 2289 | self.TestLint('typedef foo (Foo::*bar)(foo)', '') |
||
| 2290 | self.TestLint('using foo = type (Foo::*bar)(foo)', '') |
||
| 2291 | self.TestLint('using foo = type (Foo::*bar)(', '') |
||
| 2292 | self.TestLint('using foo = type (Foo::*)(', '') |
||
| 2293 | self.TestLint('foo (Foo::*bar)(', '') |
||
| 2294 | self.TestLint('foo (x::y::*z)(', '') |
||
| 2295 | self.TestLint('foo (Foo::bar)(', |
||
| 2296 | 'Extra space before ( in function call'
|
||
| 2297 | ' [whitespace/parens] [4]')
|
||
| 2298 | self.TestLint('foo (*bar)(', '') |
||
| 2299 | self.TestLint('typedef foo (Foo::*bar)(', '') |
||
| 2300 | self.TestLint('(foo)(bar)', '') |
||
| 2301 | self.TestLint('Foo (*foo)(bar)', '') |
||
| 2302 | self.TestLint('Foo (*foo)(Bar bar,', '') |
||
| 2303 | self.TestLint('char (*p)[sizeof(foo)] = &foo', '') |
||
| 2304 | self.TestLint('char (&ref)[sizeof(foo)] = &foo', '') |
||
| 2305 | self.TestLint('const char32 (*table[])[6];', '') |
||
| 2306 | # The sizeof operator is often written as if it were a function call, with
|
||
| 2307 | # an opening parenthesis directly following the operator name, but it can
|
||
| 2308 | # also be written like any other operator, with a space following the
|
||
| 2309 | # operator name, and the argument optionally in parentheses.
|
||
| 2310 | self.TestLint('sizeof(foo)', '') |
||
| 2311 | self.TestLint('sizeof foo', '') |
||
| 2312 | self.TestLint('sizeof (foo)', '') |
||
| 2313 | |||
| 2314 | def testSpacingBeforeBraces(self): |
||
| 2315 | self.TestLint('if (foo){', 'Missing space before {' |
||
| 2316 | ' [whitespace/braces] [5]')
|
||
| 2317 | self.TestLint('for{', 'Missing space before {' |
||
| 2318 | ' [whitespace/braces] [5]')
|
||
| 2319 | self.TestLint('for {', '') |
||
| 2320 | self.TestLint('EXPECT_DEBUG_DEATH({', '') |
||
| 2321 | self.TestLint('std::is_convertible<A, B>{}', '') |
||
| 2322 | |||
| 2323 | def testSemiColonAfterBraces(self): |
||
| 2324 | self.TestLint('if (cond) {};', |
||
| 2325 | 'You don\'t need a ; after a } [readability/braces] [4]')
|
||
| 2326 | self.TestLint('void Func() {};', |
||
| 2327 | 'You don\'t need a ; after a } [readability/braces] [4]')
|
||
| 2328 | self.TestLint('void Func() const {};', |
||
| 2329 | 'You don\'t need a ; after a } [readability/braces] [4]')
|
||
| 2330 | self.TestLint('class X {};', '') |
||
| 2331 | for keyword in ['struct', 'union']: |
||
| 2332 | for align in ['', ' alignas(16)']: |
||
| 2333 | for typename in ['', ' X']: |
||
| 2334 | for identifier in ['', ' x']: |
||
| 2335 | self.TestLint(keyword + align + typename + ' {}' + identifier + ';', |
||
| 2336 | '')
|
||
| 2337 | |||
| 2338 | self.TestLint('class X : public Y {};', '') |
||
| 2339 | self.TestLint('class X : public MACRO() {};', '') |
||
| 2340 | self.TestLint('DEFINE_FACADE(PCQueue::Watcher, PCQueue) {};', '') |
||
| 2341 | self.TestLint('VCLASS(XfaTest, XfaContextTest) {};', '') |
||
| 2342 | self.TestLint('TEST(TestCase, TestName) {};', |
||
| 2343 | 'You don\'t need a ; after a } [readability/braces] [4]')
|
||
| 2344 | self.TestLint('TEST_F(TestCase, TestName) {};', |
||
| 2345 | 'You don\'t need a ; after a } [readability/braces] [4]')
|
||
| 2346 | |||
| 2347 | self.TestLint('file_tocs_[i] = (FileToc) {a, b, c};', '') |
||
| 2348 | self.TestMultiLineLint('class X : public Y,\npublic Z {};', '') |
||
| 2349 | |||
| 2350 | def testLambda(self): |
||
| 2351 | self.TestLint('auto x = []() {};', '') |
||
| 2352 | self.TestLint('return []() {};', '') |
||
| 2353 | self.TestMultiLineLint('auto x = []() {\n};\n', '') |
||
| 2354 | self.TestLint('int operator[](int x) {};', |
||
| 2355 | 'You don\'t need a ; after a } [readability/braces] [4]')
|
||
| 2356 | |||
| 2357 | self.TestMultiLineLint('auto x = [&a,\nb]() {};', '') |
||
| 2358 | self.TestMultiLineLint('auto x = [&a,\nb]\n() {};', '') |
||
| 2359 | self.TestMultiLineLint('auto x = [&a,\n' |
||
| 2360 | ' b](\n'
|
||
| 2361 | ' int a,\n'
|
||
| 2362 | ' int b) {\n'
|
||
| 2363 | ' return a +\n'
|
||
| 2364 | ' b;\n'
|
||
| 2365 | '};\n',
|
||
| 2366 | '')
|
||
| 2367 | |||
| 2368 | for lambda_with_default_capture in ('void f() { [=]{}; }', |
||
| 2369 | 'void f() { [=](int i) {}; }',
|
||
| 2370 | 'void f() { [=, &x]{}; }',
|
||
| 2371 | 'void f() { [&]{}; }',
|
||
| 2372 | 'void f() { [ & ]{}; }',
|
||
| 2373 | 'void f() { [&, y]{}; }'):
|
||
| 2374 | self.TestLint(lambda_with_default_capture,
|
||
| 2375 | 'Default lambda captures are an unapproved C++ feature. '
|
||
| 2376 | '[build/c++11] [4]')
|
||
| 2377 | |||
| 2378 | # "[&...]" isn't necessarily a default capture, though "[=...]" always is.
|
||
| 2379 | self.TestLint('void f() { [&variable]{}; }', '') |
||
| 2380 | |||
| 2381 | # Avoid false positives with operator[]
|
||
| 2382 | self.TestLint('table_to_children[&*table].push_back(dependent);', '') |
||
| 2383 | |||
| 2384 | def testBraceInitializerList(self): |
||
| 2385 | self.TestLint('MyStruct p = {1, 2};', '') |
||
| 2386 | self.TestLint('MyStruct p{1, 2};', '') |
||
| 2387 | self.TestLint('vector<int> p = {1, 2};', '') |
||
| 2388 | self.TestLint('vector<int> p{1, 2};', '') |
||
| 2389 | self.TestLint('x = vector<int>{1, 2};', '') |
||
| 2390 | self.TestLint('x = (struct in_addr){ 0 };', '') |
||
| 2391 | self.TestLint('Func(vector<int>{1, 2})', '') |
||
| 2392 | self.TestLint('Func((struct in_addr){ 0 })', '') |
||
| 2393 | self.TestLint('Func(vector<int>{1, 2}, 3)', '') |
||
| 2394 | self.TestLint('Func((struct in_addr){ 0 }, 3)', '') |
||
| 2395 | self.TestLint('LOG(INFO) << char{7};', '') |
||
| 2396 | self.TestLint('LOG(INFO) << char{7} << "!";', '') |
||
| 2397 | self.TestLint('int p[2] = {1, 2};', '') |
||
| 2398 | self.TestLint('return {1, 2};', '') |
||
| 2399 | self.TestLint('std::unique_ptr<Foo> foo{new Foo{}};', '') |
||
| 2400 | self.TestLint('auto foo = std::unique_ptr<Foo>{new Foo{}};', '') |
||
| 2401 | self.TestLint('static_assert(Max7String{}.IsValid(), "");', '') |
||
| 2402 | self.TestLint('map_of_pairs[{1, 2}] = 3;', '') |
||
| 2403 | self.TestLint('ItemView{has_offer() ? new Offer{offer()} : nullptr', '') |
||
| 2404 | self.TestLint('template <class T, EnableIf<::std::is_const<T>{}> = 0>', '') |
||
| 2405 | |||
| 2406 | self.TestMultiLineLint('std::unique_ptr<Foo> foo{\n' |
||
| 2407 | ' new Foo{}\n'
|
||
| 2408 | '};\n', '') |
||
| 2409 | self.TestMultiLineLint('std::unique_ptr<Foo> foo{\n' |
||
| 2410 | ' new Foo{\n'
|
||
| 2411 | ' new Bar{}\n'
|
||
| 2412 | ' }\n'
|
||
| 2413 | '};\n', '') |
||
| 2414 | self.TestMultiLineLint('if (true) {\n' |
||
| 2415 | ' if (false){}\n'
|
||
| 2416 | '}\n',
|
||
| 2417 | 'Missing space before { [whitespace/braces] [5]')
|
||
| 2418 | self.TestMultiLineLint('MyClass::MyClass()\n' |
||
| 2419 | ' : initializer_{\n'
|
||
| 2420 | ' Func()} {\n'
|
||
| 2421 | '}\n', '') |
||
| 2422 | |||
| 2423 | def testSpacingAroundElse(self): |
||
| 2424 | self.TestLint('}else {', 'Missing space before else' |
||
| 2425 | ' [whitespace/braces] [5]')
|
||
| 2426 | self.TestLint('} else{', 'Missing space before {' |
||
| 2427 | ' [whitespace/braces] [5]')
|
||
| 2428 | self.TestLint('} else {', '') |
||
| 2429 | self.TestLint('} else if (foo) {', '') |
||
| 2430 | |||
| 2431 | def testSpacingWithInitializerLists(self): |
||
| 2432 | self.TestLint('int v[1][3] = {{1, 2, 3}};', '') |
||
| 2433 | self.TestLint('int v[1][1] = {{0}};', '') |
||
| 2434 | |||
| 2435 | def testSpacingForBinaryOps(self): |
||
| 2436 | self.TestLint('if (foo||bar) {', 'Missing spaces around ||' |
||
| 2437 | ' [whitespace/operators] [3]')
|
||
| 2438 | self.TestLint('if (foo<=bar) {', 'Missing spaces around <=' |
||
| 2439 | ' [whitespace/operators] [3]')
|
||
| 2440 | self.TestLint('if (foo<bar) {', 'Missing spaces around <' |
||
| 2441 | ' [whitespace/operators] [3]')
|
||
| 2442 | self.TestLint('if (foo>bar) {', 'Missing spaces around >' |
||
| 2443 | ' [whitespace/operators] [3]')
|
||
| 2444 | self.TestLint('if (foo<bar->baz) {', 'Missing spaces around <' |
||
| 2445 | ' [whitespace/operators] [3]')
|
||
| 2446 | self.TestLint('if (foo<bar->bar) {', 'Missing spaces around <' |
||
| 2447 | ' [whitespace/operators] [3]')
|
||
| 2448 | self.TestLint('template<typename T = double>', '') |
||
| 2449 | self.TestLint('std::unique_ptr<No<Spaces>>', '') |
||
| 2450 | self.TestLint('typedef hash_map<Foo, Bar>', '') |
||
| 2451 | self.TestLint('10<<20', '') |
||
| 2452 | self.TestLint('10<<a', |
||
| 2453 | 'Missing spaces around << [whitespace/operators] [3]')
|
||
| 2454 | self.TestLint('a<<20', |
||
| 2455 | 'Missing spaces around << [whitespace/operators] [3]')
|
||
| 2456 | self.TestLint('a<<b', |
||
| 2457 | 'Missing spaces around << [whitespace/operators] [3]')
|
||
| 2458 | self.TestLint('10ULL<<20', '') |
||
| 2459 | self.TestLint('a>>b', |
||
| 2460 | 'Missing spaces around >> [whitespace/operators] [3]')
|
||
| 2461 | self.TestLint('10>>b', |
||
| 2462 | 'Missing spaces around >> [whitespace/operators] [3]')
|
||
| 2463 | self.TestLint('LOG(ERROR)<<*foo', |
||
| 2464 | 'Missing spaces around << [whitespace/operators] [3]')
|
||
| 2465 | self.TestLint('LOG(ERROR)<<&foo', |
||
| 2466 | 'Missing spaces around << [whitespace/operators] [3]')
|
||
| 2467 | self.TestLint('StringCoder<vector<string>>::ToString()', '') |
||
| 2468 | self.TestLint('map<pair<int, int>, map<int, int>>::iterator', '') |
||
| 2469 | self.TestLint('func<int, pair<int, pair<int, int>>>()', '') |
||
| 2470 | self.TestLint('MACRO1(list<list<int>>)', '') |
||
| 2471 | self.TestLint('MACRO2(list<list<int>>, 42)', '') |
||
| 2472 | self.TestLint('void DoFoo(const set<vector<string>>& arg1);', '') |
||
| 2473 | self.TestLint('void SetFoo(set<vector<string>>* arg1);', '') |
||
| 2474 | self.TestLint('foo = new set<vector<string>>;', '') |
||
| 2475 | self.TestLint('reinterpret_cast<set<vector<string>>*>(a);', '') |
||
| 2476 | self.TestLint('MACRO(<<)', '') |
||
| 2477 | self.TestLint('MACRO(<<, arg)', '') |
||
| 2478 | self.TestLint('MACRO(<<=)', '') |
||
| 2479 | self.TestLint('MACRO(<<=, arg)', '') |
||
| 2480 | |||
| 2481 | self.TestLint('using Vector3<T>::operator==;', '') |
||
| 2482 | self.TestLint('using Vector3<T>::operator!=;', '') |
||
| 2483 | |||
| 2484 | def testRvalueReference(self): |
||
| 2485 | space_error = 'Missing spaces around && [whitespace/operators] [3]'
|
||
| 2486 | rvalue_error = ('RValue references are an unapproved C++ feature.'
|
||
| 2487 | ' [build/c++11] [3]')
|
||
| 2488 | |||
| 2489 | # Places where lack of space are allowed
|
||
| 2490 | self.TestLint('DEFINE_BINARY_OPERATOR(&&)', '') |
||
| 2491 | self.TestLint('bool operator&&(A b) {}', '') |
||
| 2492 | self.TestLint('bool operator&&(A b) {', '') |
||
| 2493 | self.TestLint('bool operator&&(A b);', '') |
||
| 2494 | |||
| 2495 | # Assignment expressions
|
||
| 2496 | self.TestLint('a = b && c;', '') |
||
| 2497 | self.TestLint('a = b&& c;', space_error) |
||
| 2498 | self.TestLint('a = b &&c;', space_error) |
||
| 2499 | self.TestLint('a = (b&& c);', space_error) |
||
| 2500 | self.TestLint('a = (b &&c);', space_error) |
||
| 2501 | self.TestLint('a&& b = c;', rvalue_error) |
||
| 2502 | self.TestLint('a<b>&& c = d;', rvalue_error) |
||
| 2503 | self.TestLint('auto&& a = b;', rvalue_error) |
||
| 2504 | self.TestLint('const a&& b = c;', rvalue_error) |
||
| 2505 | self.TestLint('struct a&& b = c;', rvalue_error) |
||
| 2506 | self.TestLint('decltype(a)&& b = c;', rvalue_error) |
||
| 2507 | |||
| 2508 | # Cast expressions
|
||
| 2509 | self.TestLint('a = const_cast<b&&>(c);', rvalue_error) |
||
| 2510 | self.TestLint('a = const_cast<const b&&>(c);', rvalue_error) |
||
| 2511 | self.TestLint('a = static_cast<b&&>(c);', rvalue_error) |
||
| 2512 | self.TestLint('a = static_cast<const b&&>(c);', rvalue_error) |
||
| 2513 | self.TestLint('a = dynamic_cast<b&&>(c);', rvalue_error) |
||
| 2514 | self.TestLint('a = dynamic_cast<const b&&>(c);', rvalue_error) |
||
| 2515 | self.TestLint('a = reinterpret_cast<b&&>(c);', rvalue_error) |
||
| 2516 | self.TestLint('a = reinterpret_cast<const b&&>(c);', rvalue_error) |
||
| 2517 | self.TestLint('a = cast < b&& c;', space_error) |
||
| 2518 | |||
| 2519 | # Function parameters
|
||
| 2520 | for indent in ['', ' ']: |
||
| 2521 | for head in ['void Func', 'vector<int> Func', 'vector<int>\nFunc', |
||
| 2522 | 'inline void Func',
|
||
| 2523 | 'Constructor', 'Constructor::Constructor', |
||
| 2524 | 'operator=', 'operator =', 'operator = ']: |
||
| 2525 | for body in [' {}', ' {', ';']: |
||
| 2526 | self.TestMultiLineLint(indent + head + '(A&& b)' + body, rvalue_error) |
||
| 2527 | self.TestMultiLineLint(indent + head + '(A &&b)' + body, rvalue_error) |
||
| 2528 | self.TestMultiLineLint(indent + head + '(A&&... b)' + body, |
||
| 2529 | rvalue_error) |
||
| 2530 | self.TestMultiLineLint(indent + head + '(A<B>&& c)' + body, |
||
| 2531 | rvalue_error) |
||
| 2532 | self.TestMultiLineLint(indent + head + '(A<B> &&c)' + body, |
||
| 2533 | rvalue_error) |
||
| 2534 | |||
| 2535 | # Function templates
|
||
| 2536 | self.TestLint('std::conditional<A, B&, C&&>::type', rvalue_error) |
||
| 2537 | self.TestLint('std::conditional<A, B&&, C&>::type', rvalue_error) |
||
| 2538 | |||
| 2539 | # Template functions
|
||
| 2540 | self.TestLint('template <typename T> R&& F()', rvalue_error) |
||
| 2541 | self.TestLint('template <typename T> R&& F() {', rvalue_error) |
||
| 2542 | self.TestMultiLineLint('template <typename T>\nR&& F()', rvalue_error) |
||
| 2543 | self.TestMultiLineLint('template <typename T>\nR&& F() {', rvalue_error) |
||
| 2544 | self.TestLint('template <typename T> void F(T a, R&& b)', rvalue_error) |
||
| 2545 | self.TestLint('template <typename T> void F(T a, R &&b)', rvalue_error) |
||
| 2546 | self.TestLint('template <typename T> void F(T a, R&& b) {', rvalue_error) |
||
| 2547 | |||
| 2548 | # For loops
|
||
| 2549 | self.TestLint('for (a&& b;;)', rvalue_error) |
||
| 2550 | self.TestLint('for (a&& b;;) {', rvalue_error) |
||
| 2551 | self.TestLint('for (; a&& b;)', space_error) |
||
| 2552 | self.TestLint('for (; a&& b;) {', space_error) |
||
| 2553 | |||
| 2554 | # Constructors
|
||
| 2555 | self.TestLint('A(a&& b)', rvalue_error) |
||
| 2556 | self.TestLint('explicit A(a&& b)', rvalue_error) |
||
| 2557 | self.TestLint('A(a b) : c(d&& e)', space_error) |
||
| 2558 | self.TestLint('A(a b) : c(), d(e&& f)', space_error) |
||
| 2559 | |||
| 2560 | def testAllowedRvalueReference(self): |
||
| 2561 | # Verify that RValue reference warnings for a line range can be silenced
|
||
| 2562 | error_collector = ErrorCollector(self.assert_)
|
||
| 2563 | cpplint.ProcessFileData('foo.cc', 'cc', |
||
| 2564 | ['// Copyright 2014 Your Company.',
|
||
| 2565 | 'GOOGLE_ALLOW_RVALUE_REFERENCES_PUSH',
|
||
| 2566 | 'void F(A&& b);',
|
||
| 2567 | 'GOOGLE_ALLOW_RVALUE_REFERENCES_POP',
|
||
| 2568 | ''],
|
||
| 2569 | error_collector) |
||
| 2570 | self.assertEquals(error_collector.Results(), '') |
||
| 2571 | |||
| 2572 | # RValue references for constructors and operator=
|
||
| 2573 | error_collector = ErrorCollector(self.assert_)
|
||
| 2574 | cpplint.ProcessFileData( |
||
| 2575 | 'foo.cc', 'cc', |
||
| 2576 | ['// Copyright 2014 Your Company.',
|
||
| 2577 | 'class X {',
|
||
| 2578 | ' X(X&& param) = delete; // NOLINT(runtime/explicit)',
|
||
| 2579 | ' X(X &¶m) = default; // NOLINT(runtime/explicit)',
|
||
| 2580 | ' inline X(X&& param) = default; // NOLINT(runtime/explicit)',
|
||
| 2581 | '',
|
||
| 2582 | ' X& operator=(X&& param) = delete;',
|
||
| 2583 | ' X& operator=(X&& param) = default;',
|
||
| 2584 | '};',
|
||
| 2585 | 'A::A(A&&) = default;',
|
||
| 2586 | 'Outer::Inner::Inner(Inner&&) = default;',
|
||
| 2587 | ''],
|
||
| 2588 | error_collector) |
||
| 2589 | self.assertEquals(error_collector.Results(), '') |
||
| 2590 | |||
| 2591 | # Assume templated function parameters are forwarded, and are allowed
|
||
| 2592 | error_collector = ErrorCollector(self.assert_)
|
||
| 2593 | cpplint.ProcessFileData( |
||
| 2594 | 'foo.cc', 'cc', |
||
| 2595 | ['// Copyright 2014 Your Company.',
|
||
| 2596 | 'template <typename Allowed1>',
|
||
| 2597 | 'void Function1(Allowed1&& a);',
|
||
| 2598 | '',
|
||
| 2599 | 'template <typename Allowed2, typename Allowed3>',
|
||
| 2600 | 'void Function2(Allowed2&& a, Allowed3 &&b) {',
|
||
| 2601 | '}',
|
||
| 2602 | '',
|
||
| 2603 | 'template <class Allowed4>',
|
||
| 2604 | 'void Function3(Ignored1 *a, Allowed4&& b) {',
|
||
| 2605 | '}',
|
||
| 2606 | '',
|
||
| 2607 | 'template <typename... Allowed5>',
|
||
| 2608 | 'void Function4(Allowed5&&... a) {',
|
||
| 2609 | '}',
|
||
| 2610 | '',
|
||
| 2611 | 'template <class... Allowed6>',
|
||
| 2612 | 'void Function5(',
|
||
| 2613 | ' Allowed6 &&...a) {',
|
||
| 2614 | '}',
|
||
| 2615 | ''],
|
||
| 2616 | error_collector) |
||
| 2617 | self.assertEquals(error_collector.Results(), '') |
||
| 2618 | |||
| 2619 | def testSpacingBeforeLastSemicolon(self): |
||
| 2620 | self.TestLint('call_function() ;', |
||
| 2621 | 'Extra space before last semicolon. If this should be an '
|
||
| 2622 | 'empty statement, use {} instead.'
|
||
| 2623 | ' [whitespace/semicolon] [5]')
|
||
| 2624 | self.TestLint('while (true) ;', |
||
| 2625 | 'Extra space before last semicolon. If this should be an '
|
||
| 2626 | 'empty statement, use {} instead.'
|
||
| 2627 | ' [whitespace/semicolon] [5]')
|
||
| 2628 | self.TestLint('default:;', |
||
| 2629 | 'Semicolon defining empty statement. Use {} instead.'
|
||
| 2630 | ' [whitespace/semicolon] [5]')
|
||
| 2631 | self.TestLint(' ;', |
||
| 2632 | 'Line contains only semicolon. If this should be an empty '
|
||
| 2633 | 'statement, use {} instead.'
|
||
| 2634 | ' [whitespace/semicolon] [5]')
|
||
| 2635 | self.TestLint('for (int i = 0; ;', '') |
||
| 2636 | |||
| 2637 | def testEmptyBlockBody(self): |
||
| 2638 | self.TestLint('while (true);', |
||
| 2639 | 'Empty loop bodies should use {} or continue'
|
||
| 2640 | ' [whitespace/empty_loop_body] [5]')
|
||
| 2641 | self.TestLint('if (true);', |
||
| 2642 | 'Empty conditional bodies should use {}'
|
||
| 2643 | ' [whitespace/empty_conditional_body] [5]')
|
||
| 2644 | self.TestLint('while (true)', '') |
||
| 2645 | self.TestLint('while (true) continue;', '') |
||
| 2646 | self.TestLint('for (;;);', |
||
| 2647 | 'Empty loop bodies should use {} or continue'
|
||
| 2648 | ' [whitespace/empty_loop_body] [5]')
|
||
| 2649 | self.TestLint('for (;;)', '') |
||
| 2650 | self.TestLint('for (;;) continue;', '') |
||
| 2651 | self.TestLint('for (;;) func();', '') |
||
| 2652 | self.TestMultiLineLint("""while (true && |
||
| 2653 | false);""",
|
||
| 2654 | 'Empty loop bodies should use {} or continue'
|
||
| 2655 | ' [whitespace/empty_loop_body] [5]')
|
||
| 2656 | self.TestMultiLineLint("""do { |
||
| 2657 | } while (false);""",
|
||
| 2658 | '')
|
||
| 2659 | self.TestMultiLineLint("""#define MACRO \\ |
||
| 2660 | do { \\
|
||
| 2661 | } while (false);""",
|
||
| 2662 | '')
|
||
| 2663 | self.TestMultiLineLint("""do { |
||
| 2664 | } while (false); // next line gets a warning
|
||
| 2665 | while (false);""",
|
||
| 2666 | 'Empty loop bodies should use {} or continue'
|
||
| 2667 | ' [whitespace/empty_loop_body] [5]')
|
||
| 2668 | |||
| 2669 | def testSpacingForRangeBasedFor(self): |
||
| 2670 | # Basic correctly formatted case:
|
||
| 2671 | self.TestLint('for (int i : numbers) {', '') |
||
| 2672 | |||
| 2673 | # Missing space before colon:
|
||
| 2674 | self.TestLint('for (int i: numbers) {', |
||
| 2675 | 'Missing space around colon in range-based for loop'
|
||
| 2676 | ' [whitespace/forcolon] [2]')
|
||
| 2677 | # Missing space after colon:
|
||
| 2678 | self.TestLint('for (int i :numbers) {', |
||
| 2679 | 'Missing space around colon in range-based for loop'
|
||
| 2680 | ' [whitespace/forcolon] [2]')
|
||
| 2681 | # Missing spaces both before and after the colon.
|
||
| 2682 | self.TestLint('for (int i:numbers) {', |
||
| 2683 | 'Missing space around colon in range-based for loop'
|
||
| 2684 | ' [whitespace/forcolon] [2]')
|
||
| 2685 | |||
| 2686 | # The scope operator '::' shouldn't cause warnings...
|
||
| 2687 | self.TestLint('for (std::size_t i : sizes) {}', '') |
||
| 2688 | # ...but it shouldn't suppress them either.
|
||
| 2689 | self.TestLint('for (std::size_t i: sizes) {}', |
||
| 2690 | 'Missing space around colon in range-based for loop'
|
||
| 2691 | ' [whitespace/forcolon] [2]')
|
||
| 2692 | |||
| 2693 | |||
| 2694 | # Static or global STL strings.
|
||
| 2695 | def testStaticOrGlobalSTLStrings(self): |
||
| 2696 | error_msg = ('For a static/global string constant, use a C style '
|
||
| 2697 | 'string instead: "%s[]". [runtime/string] [4]')
|
||
| 2698 | |||
| 2699 | self.TestLint('string foo;', |
||
| 2700 | error_msg % 'char foo')
|
||
| 2701 | self.TestLint('string kFoo = "hello"; // English', |
||
| 2702 | error_msg % 'char kFoo')
|
||
| 2703 | self.TestLint('static string foo;', |
||
| 2704 | error_msg % 'static char foo')
|
||
| 2705 | self.TestLint('static const string foo;', |
||
| 2706 | error_msg % 'static const char foo')
|
||
| 2707 | self.TestLint('string Foo::bar;', |
||
| 2708 | error_msg % 'char Foo::bar')
|
||
| 2709 | self.TestLint('string* pointer', '') |
||
| 2710 | self.TestLint('string *pointer', '') |
||
| 2711 | self.TestLint('string* pointer = Func();', '') |
||
| 2712 | self.TestLint('string *pointer = Func();', '') |
||
| 2713 | self.TestLint('const string* pointer', '') |
||
| 2714 | self.TestLint('const string *pointer', '') |
||
| 2715 | self.TestLint('const string* pointer = Func();', '') |
||
| 2716 | self.TestLint('const string *pointer = Func();', '') |
||
| 2717 | self.TestLint('string const* pointer', '') |
||
| 2718 | self.TestLint('string const *pointer', '') |
||
| 2719 | self.TestLint('string const* pointer = Func();', '') |
||
| 2720 | self.TestLint('string const *pointer = Func();', '') |
||
| 2721 | self.TestLint('string* const pointer', '') |
||
| 2722 | self.TestLint('string *const pointer', '') |
||
| 2723 | self.TestLint('string* const pointer = Func();', '') |
||
| 2724 | self.TestLint('string *const pointer = Func();', '') |
||
| 2725 | self.TestLint('string Foo::bar() {}', '') |
||
| 2726 | self.TestLint('string Foo::operator*() {}', '') |
||
| 2727 | # Rare case.
|
||
| 2728 | self.TestLint('string foo("foobar");', error_msg % 'char foo') |
||
| 2729 | # Should not catch local or member variables.
|
||
| 2730 | self.TestLint(' string foo', '') |
||
| 2731 | # Should not catch functions.
|
||
| 2732 | self.TestLint('string EmptyString() { return ""; }', '') |
||
| 2733 | self.TestLint('string EmptyString () { return ""; }', '') |
||
| 2734 | self.TestLint('string VeryLongNameFunctionSometimesEndsWith(\n' |
||
| 2735 | ' VeryLongNameType very_long_name_variable) {}', '') |
||
| 2736 | self.TestLint('template<>\n' |
||
| 2737 | 'string FunctionTemplateSpecialization<SomeType>(\n'
|
||
| 2738 | ' int x) { return ""; }', '') |
||
| 2739 | self.TestLint('template<>\n' |
||
| 2740 | 'string FunctionTemplateSpecialization<vector<A::B>* >(\n'
|
||
| 2741 | ' int x) { return ""; }', '') |
||
| 2742 | |||
| 2743 | # should not catch methods of template classes.
|
||
| 2744 | self.TestLint('string Class<Type>::Method() const {\n' |
||
| 2745 | ' return "";\n'
|
||
| 2746 | '}\n', '') |
||
| 2747 | self.TestLint('string Class<Type>::Method(\n' |
||
| 2748 | ' int arg) const {\n'
|
||
| 2749 | ' return "";\n'
|
||
| 2750 | '}\n', '') |
||
| 2751 | |||
| 2752 | # Check multiline cases.
|
||
| 2753 | error_collector = ErrorCollector(self.assert_)
|
||
| 2754 | cpplint.ProcessFileData('foo.cc', 'cc', |
||
| 2755 | ['// Copyright 2014 Your Company.',
|
||
| 2756 | 'string Class',
|
||
| 2757 | '::MemberFunction1();',
|
||
| 2758 | 'string Class::',
|
||
| 2759 | 'MemberFunction2();',
|
||
| 2760 | 'string Class::',
|
||
| 2761 | 'NestedClass::MemberFunction3();',
|
||
| 2762 | 'string TemplateClass<T>::',
|
||
| 2763 | 'NestedClass::MemberFunction4();',
|
||
| 2764 | 'string Class',
|
||
| 2765 | '::static_member_variable1;',
|
||
| 2766 | 'string Class::',
|
||
| 2767 | 'static_member_variable2;',
|
||
| 2768 | 'string Class',
|
||
| 2769 | '::static_member_variable3 = "initial value";',
|
||
| 2770 | 'string Class::',
|
||
| 2771 | 'static_member_variable4 = "initial value";',
|
||
| 2772 | ''],
|
||
| 2773 | error_collector) |
||
| 2774 | self.assertEquals(error_collector.Results(),
|
||
| 2775 | [error_msg % 'char Class::static_member_variable1',
|
||
| 2776 | error_msg % 'char Class::static_member_variable2',
|
||
| 2777 | error_msg % 'char Class::static_member_variable3',
|
||
| 2778 | error_msg % 'char Class::static_member_variable4'])
|
||
| 2779 | |||
| 2780 | def testNoSpacesInFunctionCalls(self): |
||
| 2781 | self.TestLint('TellStory(1, 3);', |
||
| 2782 | '')
|
||
| 2783 | self.TestLint('TellStory(1, 3 );', |
||
| 2784 | 'Extra space before )'
|
||
| 2785 | ' [whitespace/parens] [2]')
|
||
| 2786 | self.TestLint('TellStory(1 /* wolf */, 3 /* pigs */);', |
||
| 2787 | '')
|
||
| 2788 | self.TestMultiLineLint("""TellStory(1, 3 |
||
| 2789 | );""",
|
||
| 2790 | 'Closing ) should be moved to the previous line'
|
||
| 2791 | ' [whitespace/parens] [2]')
|
||
| 2792 | self.TestMultiLineLint("""TellStory(Wolves(1), |
||
| 2793 | Pigs(3
|
||
| 2794 | ));""",
|
||
| 2795 | 'Closing ) should be moved to the previous line'
|
||
| 2796 | ' [whitespace/parens] [2]')
|
||
| 2797 | self.TestMultiLineLint("""TellStory(1, |
||
| 2798 | 3 );""",
|
||
| 2799 | 'Extra space before )'
|
||
| 2800 | ' [whitespace/parens] [2]')
|
||
| 2801 | |||
| 2802 | def testToDoComments(self): |
||
| 2803 | start_space = ('Too many spaces before TODO'
|
||
| 2804 | ' [whitespace/todo] [2]')
|
||
| 2805 | missing_username = ('Missing username in TODO; it should look like '
|
||
| 2806 | '"// TODO(my_username): Stuff."'
|
||
| 2807 | ' [readability/todo] [2]')
|
||
| 2808 | end_space = ('TODO(my_username) should be followed by a space'
|
||
| 2809 | ' [whitespace/todo] [2]')
|
||
| 2810 | |||
| 2811 | self.TestLint('// TODOfix this', |
||
| 2812 | [start_space, missing_username, end_space]) |
||
| 2813 | self.TestLint('// TODO(ljenkins)fix this', |
||
| 2814 | [start_space, end_space]) |
||
| 2815 | self.TestLint('// TODO fix this', |
||
| 2816 | [start_space, missing_username]) |
||
| 2817 | self.TestLint('// TODO fix this', missing_username) |
||
| 2818 | self.TestLint('// TODO: fix this', missing_username) |
||
| 2819 | self.TestLint('//TODO(ljenkins): Fix this', |
||
| 2820 | 'Should have a space between // and comment'
|
||
| 2821 | ' [whitespace/comments] [4]')
|
||
| 2822 | self.TestLint('// TODO(ljenkins):Fix this', end_space) |
||
| 2823 | self.TestLint('// TODO(ljenkins):', '') |
||
| 2824 | self.TestLint('// TODO(ljenkins): fix this', '') |
||
| 2825 | self.TestLint('// TODO(ljenkins): Fix this', '') |
||
| 2826 | self.TestLint('#if 1 // TEST_URLTODOCID_WHICH_HAS_THAT_WORD_IN_IT_H_', '') |
||
| 2827 | self.TestLint('// See also similar TODO above', '') |
||
| 2828 | |||
| 2829 | def testTwoSpacesBetweenCodeAndComments(self): |
||
| 2830 | self.TestLint('} // namespace foo', |
||
| 2831 | 'At least two spaces is best between code and comments'
|
||
| 2832 | ' [whitespace/comments] [2]')
|
||
| 2833 | self.TestLint('}// namespace foo', |
||
| 2834 | 'At least two spaces is best between code and comments'
|
||
| 2835 | ' [whitespace/comments] [2]')
|
||
| 2836 | self.TestLint('printf("foo"); // Outside quotes.', |
||
| 2837 | 'At least two spaces is best between code and comments'
|
||
| 2838 | ' [whitespace/comments] [2]')
|
||
| 2839 | self.TestLint('int i = 0; // Having two spaces is fine.', '') |
||
| 2840 | self.TestLint('int i = 0; // Having three spaces is OK.', '') |
||
| 2841 | self.TestLint('// Top level comment', '') |
||
| 2842 | self.TestLint(' // Line starts with two spaces.', '') |
||
| 2843 | self.TestMultiLineLint('void foo() {\n' |
||
| 2844 | ' { // A scope is opening.\n'
|
||
| 2845 | ' int a;', '') |
||
| 2846 | self.TestMultiLineLint('void foo() {\n' |
||
| 2847 | ' { // A scope is opening.\n'
|
||
| 2848 | '#define A a',
|
||
| 2849 | 'At least two spaces is best between code and '
|
||
| 2850 | 'comments [whitespace/comments] [2]')
|
||
| 2851 | self.TestMultiLineLint(' foo();\n' |
||
| 2852 | ' { // An indented scope is opening.\n'
|
||
| 2853 | ' int a;', '') |
||
| 2854 | self.TestMultiLineLint('vector<int> my_elements = {// first\n' |
||
| 2855 | ' 1,', '') |
||
| 2856 | self.TestMultiLineLint('vector<int> my_elements = {// my_elements is ..\n' |
||
| 2857 | ' 1,',
|
||
| 2858 | 'At least two spaces is best between code and '
|
||
| 2859 | 'comments [whitespace/comments] [2]')
|
||
| 2860 | self.TestLint('if (foo) { // not a pure scope; comment is too close!', |
||
| 2861 | 'At least two spaces is best between code and comments'
|
||
| 2862 | ' [whitespace/comments] [2]')
|
||
| 2863 | self.TestLint('printf("// In quotes.")', '') |
||
| 2864 | self.TestLint('printf("\\"%s // In quotes.")', '') |
||
| 2865 | self.TestLint('printf("%s", "// In quotes.")', '') |
||
| 2866 | |||
| 2867 | def testSpaceAfterCommentMarker(self): |
||
| 2868 | self.TestLint('//', '') |
||
| 2869 | self.TestLint('//x', 'Should have a space between // and comment' |
||
| 2870 | ' [whitespace/comments] [4]')
|
||
| 2871 | self.TestLint('// x', '') |
||
| 2872 | self.TestLint('///', '') |
||
| 2873 | self.TestLint('/// x', '') |
||
| 2874 | self.TestLint('//!', '') |
||
| 2875 | self.TestLint('//----', '') |
||
| 2876 | self.TestLint('//====', '') |
||
| 2877 | self.TestLint('//////', '') |
||
| 2878 | self.TestLint('////// x', '') |
||
| 2879 | self.TestLint('///< x', '') # After-member Doxygen comment |
||
| 2880 | self.TestLint('//!< x', '') # After-member Doxygen comment |
||
| 2881 | self.TestLint('////x', 'Should have a space between // and comment' |
||
| 2882 | ' [whitespace/comments] [4]')
|
||
| 2883 | self.TestLint('//}', '') |
||
| 2884 | self.TestLint('//}x', 'Should have a space between // and comment' |
||
| 2885 | ' [whitespace/comments] [4]')
|
||
| 2886 | self.TestLint('//!<x', 'Should have a space between // and comment' |
||
| 2887 | ' [whitespace/comments] [4]')
|
||
| 2888 | self.TestLint('///<x', 'Should have a space between // and comment' |
||
| 2889 | ' [whitespace/comments] [4]')
|
||
| 2890 | |||
| 2891 | # Test a line preceded by empty or comment lines. There was a bug
|
||
| 2892 | # that caused it to print the same warning N times if the erroneous
|
||
| 2893 | # line was preceded by N lines of empty or comment lines. To be
|
||
| 2894 | # precise, the '// marker so line numbers and indices both start at
|
||
| 2895 | # 1' line was also causing the issue.
|
||
| 2896 | def testLinePrecededByEmptyOrCommentLines(self): |
||
| 2897 | def DoTest(self, lines): |
||
| 2898 | error_collector = ErrorCollector(self.assert_)
|
||
| 2899 | cpplint.ProcessFileData('foo.cc', 'cc', lines, error_collector) |
||
| 2900 | # The warning appears only once.
|
||
| 2901 | self.assertEquals(
|
||
| 2902 | 1,
|
||
| 2903 | error_collector.Results().count( |
||
| 2904 | 'Do not use namespace using-directives. '
|
||
| 2905 | 'Use using-declarations instead.'
|
||
| 2906 | ' [build/namespaces] [5]'))
|
||
| 2907 | DoTest(self, ['using namespace foo;']) |
||
| 2908 | DoTest(self, ['', '', '', 'using namespace foo;']) |
||
| 2909 | DoTest(self, ['// hello', 'using namespace foo;']) |
||
| 2910 | |||
| 2911 | def testNewlineAtEOF(self): |
||
| 2912 | def DoTest(self, data, is_missing_eof): |
||
| 2913 | error_collector = ErrorCollector(self.assert_)
|
||
| 2914 | cpplint.ProcessFileData('foo.cc', 'cc', data.split('\n'), |
||
| 2915 | error_collector) |
||
| 2916 | # The warning appears only once.
|
||
| 2917 | self.assertEquals(
|
||
| 2918 | int(is_missing_eof),
|
||
| 2919 | error_collector.Results().count( |
||
| 2920 | 'Could not find a newline character at the end of the file.'
|
||
| 2921 | ' [whitespace/ending_newline] [5]'))
|
||
| 2922 | |||
| 2923 | DoTest(self, '// Newline\n// at EOF\n', False) |
||
| 2924 | DoTest(self, '// No newline\n// at EOF', True) |
||
| 2925 | |||
| 2926 | def testInvalidUtf8(self): |
||
| 2927 | def DoTest(self, raw_bytes, has_invalid_utf8): |
||
| 2928 | error_collector = ErrorCollector(self.assert_)
|
||
| 2929 | cpplint.ProcessFileData( |
||
| 2930 | 'foo.cc', 'cc', |
||
| 2931 | unicode(raw_bytes, 'utf8', 'replace').split('\n'), |
||
| 2932 | error_collector) |
||
| 2933 | # The warning appears only once.
|
||
| 2934 | self.assertEquals(
|
||
| 2935 | int(has_invalid_utf8),
|
||
| 2936 | error_collector.Results().count( |
||
| 2937 | 'Line contains invalid UTF-8'
|
||
| 2938 | ' (or Unicode replacement character).'
|
||
| 2939 | ' [readability/utf8] [5]'))
|
||
| 2940 | |||
| 2941 | DoTest(self, 'Hello world\n', False) |
||
| 2942 | DoTest(self, '\xe9\x8e\xbd\n', False) |
||
| 2943 | DoTest(self, '\xe9x\x8e\xbd\n', True) |
||
| 2944 | # This is the encoding of the replacement character itself (which
|
||
| 2945 | # you can see by evaluating codecs.getencoder('utf8')(u'\ufffd')).
|
||
| 2946 | DoTest(self, '\xef\xbf\xbd\n', True) |
||
| 2947 | |||
| 2948 | def testBadCharacters(self): |
||
| 2949 | # Test for NUL bytes only
|
||
| 2950 | error_collector = ErrorCollector(self.assert_)
|
||
| 2951 | cpplint.ProcessFileData('nul.cc', 'cc', |
||
| 2952 | ['// Copyright 2014 Your Company.',
|
||
| 2953 | '\0', ''], error_collector) |
||
| 2954 | self.assertEquals(
|
||
| 2955 | error_collector.Results(), |
||
| 2956 | 'Line contains NUL byte. [readability/nul] [5]')
|
||
| 2957 | |||
| 2958 | # Make sure both NUL bytes and UTF-8 are caught if they appear on
|
||
| 2959 | # the same line.
|
||
| 2960 | error_collector = ErrorCollector(self.assert_)
|
||
| 2961 | cpplint.ProcessFileData( |
||
| 2962 | 'nul_utf8.cc', 'cc', |
||
| 2963 | ['// Copyright 2014 Your Company.',
|
||
| 2964 | unicode('\xe9x\0', 'utf8', 'replace'), ''], |
||
| 2965 | error_collector) |
||
| 2966 | self.assertEquals(
|
||
| 2967 | error_collector.Results(), |
||
| 2968 | ['Line contains invalid UTF-8 (or Unicode replacement character).'
|
||
| 2969 | ' [readability/utf8] [5]',
|
||
| 2970 | 'Line contains NUL byte. [readability/nul] [5]'])
|
||
| 2971 | |||
| 2972 | def testIsBlankLine(self): |
||
| 2973 | self.assert_(cpplint.IsBlankLine('')) |
||
| 2974 | self.assert_(cpplint.IsBlankLine(' ')) |
||
| 2975 | self.assert_(cpplint.IsBlankLine(' \t\r\n')) |
||
| 2976 | self.assert_(not cpplint.IsBlankLine('int a;')) |
||
| 2977 | self.assert_(not cpplint.IsBlankLine('{')) |
||
| 2978 | |||
| 2979 | def testBlankLinesCheck(self): |
||
| 2980 | self.TestBlankLinesCheck(['{\n', '\n', '\n', '}\n'], 1, 1) |
||
| 2981 | self.TestBlankLinesCheck([' if (foo) {\n', '\n', ' }\n'], 1, 1) |
||
| 2982 | self.TestBlankLinesCheck(
|
||
| 2983 | ['\n', '// {\n', '\n', '\n', '// Comment\n', '{\n', '}\n'], 0, 0) |
||
| 2984 | self.TestBlankLinesCheck(['\n', 'run("{");\n', '\n'], 0, 0) |
||
| 2985 | self.TestBlankLinesCheck(['\n', ' if (foo) { return 0; }\n', '\n'], 0, 0) |
||
| 2986 | self.TestBlankLinesCheck(
|
||
| 2987 | ['int x(\n', ' int a) {\n', '\n', 'return 0;\n', '}'], 0, 0) |
||
| 2988 | self.TestBlankLinesCheck(
|
||
| 2989 | ['int x(\n', ' int a) const {\n', '\n', 'return 0;\n', '}'], 0, 0) |
||
| 2990 | self.TestBlankLinesCheck(
|
||
| 2991 | ['int x(\n', ' int a) {\n', '\n', 'return 0;\n', '}'], 1, 0) |
||
| 2992 | self.TestBlankLinesCheck(
|
||
| 2993 | ['int x(\n', ' int a) {\n', '\n', 'return 0;\n', '}'], 1, 0) |
||
| 2994 | |||
| 2995 | def testAllowBlankLineBeforeClosingNamespace(self): |
||
| 2996 | error_collector = ErrorCollector(self.assert_)
|
||
| 2997 | cpplint.ProcessFileData('foo.cc', 'cc', |
||
| 2998 | ['namespace {',
|
||
| 2999 | '',
|
||
| 3000 | '} // namespace',
|
||
| 3001 | 'namespace another_namespace {',
|
||
| 3002 | '',
|
||
| 3003 | '}',
|
||
| 3004 | 'namespace {',
|
||
| 3005 | '',
|
||
| 3006 | 'template<class T, ',
|
||
| 3007 | ' class A = hoge<T>, ',
|
||
| 3008 | ' class B = piyo<T>, ',
|
||
| 3009 | ' class C = fuga<T> >',
|
||
| 3010 | 'class D {',
|
||
| 3011 | ' public:',
|
||
| 3012 | '};',
|
||
| 3013 | '', '', '', '', |
||
| 3014 | '}'],
|
||
| 3015 | error_collector) |
||
| 3016 | self.assertEquals(0, error_collector.Results().count( |
||
| 3017 | 'Redundant blank line at the end of a code block should be deleted.'
|
||
| 3018 | ' [whitespace/blank_line] [3]'))
|
||
| 3019 | |||
| 3020 | def testAllowBlankLineBeforeIfElseChain(self): |
||
| 3021 | error_collector = ErrorCollector(self.assert_)
|
||
| 3022 | cpplint.ProcessFileData('foo.cc', 'cc', |
||
| 3023 | ['if (hoge) {',
|
||
| 3024 | '', # No warning |
||
| 3025 | '} else if (piyo) {',
|
||
| 3026 | '', # No warning |
||
| 3027 | '} else if (piyopiyo) {',
|
||
| 3028 | ' hoge = true;', # No warning |
||
| 3029 | '} else {',
|
||
| 3030 | '', # Warning on this line |
||
| 3031 | '}'],
|
||
| 3032 | error_collector) |
||
| 3033 | self.assertEquals(1, error_collector.Results().count( |
||
| 3034 | 'Redundant blank line at the end of a code block should be deleted.'
|
||
| 3035 | ' [whitespace/blank_line] [3]'))
|
||
| 3036 | |||
| 3037 | def testAllowBlankLineAfterExtern(self): |
||
| 3038 | error_collector = ErrorCollector(self.assert_)
|
||
| 3039 | cpplint.ProcessFileData('foo.cc', 'cc', |
||
| 3040 | ['extern "C" {',
|
||
| 3041 | '',
|
||
| 3042 | 'EXPORTAPI void APICALL Some_function() {}',
|
||
| 3043 | '',
|
||
| 3044 | '}'],
|
||
| 3045 | error_collector) |
||
| 3046 | self.assertEquals(0, error_collector.Results().count( |
||
| 3047 | 'Redundant blank line at the start of a code block should be deleted.'
|
||
| 3048 | ' [whitespace/blank_line] [2]'))
|
||
| 3049 | self.assertEquals(0, error_collector.Results().count( |
||
| 3050 | 'Redundant blank line at the end of a code block should be deleted.'
|
||
| 3051 | ' [whitespace/blank_line] [3]'))
|
||
| 3052 | |||
| 3053 | def testBlankLineBeforeSectionKeyword(self): |
||
| 3054 | error_collector = ErrorCollector(self.assert_)
|
||
| 3055 | cpplint.ProcessFileData('foo.cc', 'cc', |
||
| 3056 | ['class A {',
|
||
| 3057 | ' public:',
|
||
| 3058 | ' protected:', # warning 1 |
||
| 3059 | ' private:', # warning 2 |
||
| 3060 | ' struct B {',
|
||
| 3061 | ' public:',
|
||
| 3062 | ' private:'] + # warning 3 |
||
| 3063 | ([''] * 100) + # Make A and B longer than 100 lines |
||
| 3064 | [' };',
|
||
| 3065 | ' struct C {',
|
||
| 3066 | ' protected:',
|
||
| 3067 | ' private:', # C is too short for warnings |
||
| 3068 | ' };',
|
||
| 3069 | '};',
|
||
| 3070 | 'class D',
|
||
| 3071 | ' : public {',
|
||
| 3072 | ' public:', # no warning |
||
| 3073 | '};',
|
||
| 3074 | 'class E {\\',
|
||
| 3075 | ' public:\\'] +
|
||
| 3076 | (['\\'] * 100) + # Makes E > 100 lines |
||
| 3077 | [' int non_empty_line;\\',
|
||
| 3078 | ' private:\\', # no warning |
||
| 3079 | ' int a;\\',
|
||
| 3080 | '};'],
|
||
| 3081 | error_collector) |
||
| 3082 | self.assertEquals(2, error_collector.Results().count( |
||
| 3083 | '"private:" should be preceded by a blank line'
|
||
| 3084 | ' [whitespace/blank_line] [3]'))
|
||
| 3085 | self.assertEquals(1, error_collector.Results().count( |
||
| 3086 | '"protected:" should be preceded by a blank line'
|
||
| 3087 | ' [whitespace/blank_line] [3]'))
|
||
| 3088 | |||
| 3089 | def testNoBlankLineAfterSectionKeyword(self): |
||
| 3090 | error_collector = ErrorCollector(self.assert_)
|
||
| 3091 | cpplint.ProcessFileData('foo.cc', 'cc', |
||
| 3092 | ['class A {',
|
||
| 3093 | ' public:',
|
||
| 3094 | '', # warning 1 |
||
| 3095 | ' private:',
|
||
| 3096 | '', # warning 2 |
||
| 3097 | ' struct B {',
|
||
| 3098 | ' protected:',
|
||
| 3099 | '', # warning 3 |
||
| 3100 | ' };',
|
||
| 3101 | '};'],
|
||
| 3102 | error_collector) |
||
| 3103 | self.assertEquals(1, error_collector.Results().count( |
||
| 3104 | 'Do not leave a blank line after "public:"'
|
||
| 3105 | ' [whitespace/blank_line] [3]'))
|
||
| 3106 | self.assertEquals(1, error_collector.Results().count( |
||
| 3107 | 'Do not leave a blank line after "protected:"'
|
||
| 3108 | ' [whitespace/blank_line] [3]'))
|
||
| 3109 | self.assertEquals(1, error_collector.Results().count( |
||
| 3110 | 'Do not leave a blank line after "private:"'
|
||
| 3111 | ' [whitespace/blank_line] [3]'))
|
||
| 3112 | |||
| 3113 | def testAllowBlankLinesInRawStrings(self): |
||
| 3114 | error_collector = ErrorCollector(self.assert_)
|
||
| 3115 | cpplint.ProcessFileData('foo.cc', 'cc', |
||
| 3116 | ['// Copyright 2014 Your Company.',
|
||
| 3117 | 'static const char *kData[] = {R"(',
|
||
| 3118 | '',
|
||
| 3119 | ')", R"(',
|
||
| 3120 | '',
|
||
| 3121 | ')"};',
|
||
| 3122 | ''],
|
||
| 3123 | error_collector) |
||
| 3124 | self.assertEquals('', error_collector.Results()) |
||
| 3125 | |||
| 3126 | def testElseOnSameLineAsClosingBraces(self): |
||
| 3127 | error_collector = ErrorCollector(self.assert_)
|
||
| 3128 | cpplint.ProcessFileData('foo.cc', 'cc', |
||
| 3129 | ['if (hoge) {',
|
||
| 3130 | '}',
|
||
| 3131 | 'else if (piyo) {', # Warning on this line |
||
| 3132 | '}',
|
||
| 3133 | ' else {' # Warning on this line |
||
| 3134 | '',
|
||
| 3135 | '}'],
|
||
| 3136 | error_collector) |
||
| 3137 | self.assertEquals(2, error_collector.Results().count( |
||
| 3138 | 'An else should appear on the same line as the preceding }'
|
||
| 3139 | ' [whitespace/newline] [4]'))
|
||
| 3140 | |||
| 3141 | error_collector = ErrorCollector(self.assert_)
|
||
| 3142 | cpplint.ProcessFileData('foo.cc', 'cc', |
||
| 3143 | ['if (hoge) {',
|
||
| 3144 | '',
|
||
| 3145 | '}',
|
||
| 3146 | 'else', # Warning on this line |
||
| 3147 | '{',
|
||
| 3148 | '',
|
||
| 3149 | '}'],
|
||
| 3150 | error_collector) |
||
| 3151 | self.assertEquals(1, error_collector.Results().count( |
||
| 3152 | 'An else should appear on the same line as the preceding }'
|
||
| 3153 | ' [whitespace/newline] [4]'))
|
||
| 3154 | |||
| 3155 | error_collector = ErrorCollector(self.assert_)
|
||
| 3156 | cpplint.ProcessFileData('foo.cc', 'cc', |
||
| 3157 | ['if (hoge) {',
|
||
| 3158 | '',
|
||
| 3159 | '}',
|
||
| 3160 | 'else_function();'],
|
||
| 3161 | error_collector) |
||
| 3162 | self.assertEquals(0, error_collector.Results().count( |
||
| 3163 | 'An else should appear on the same line as the preceding }'
|
||
| 3164 | ' [whitespace/newline] [4]'))
|
||
| 3165 | |||
| 3166 | def testMultipleStatementsOnSameLine(self): |
||
| 3167 | error_collector = ErrorCollector(self.assert_)
|
||
| 3168 | cpplint.ProcessFileData('foo.cc', 'cc', |
||
| 3169 | ['for (int i = 0; i < 1; i++) {}',
|
||
| 3170 | 'switch (x) {',
|
||
| 3171 | ' case 0: func(); break; ',
|
||
| 3172 | '}',
|
||
| 3173 | 'sum += MathUtil::SafeIntRound(x); x += 0.1;'],
|
||
| 3174 | error_collector) |
||
| 3175 | self.assertEquals(0, error_collector.Results().count( |
||
| 3176 | 'More than one command on the same line [whitespace/newline] [0]'))
|
||
| 3177 | |||
| 3178 | old_verbose_level = cpplint._cpplint_state.verbose_level |
||
| 3179 | cpplint._cpplint_state.verbose_level = 0
|
||
| 3180 | cpplint.ProcessFileData('foo.cc', 'cc', |
||
| 3181 | ['sum += MathUtil::SafeIntRound(x); x += 0.1;'],
|
||
| 3182 | error_collector) |
||
| 3183 | cpplint._cpplint_state.verbose_level = old_verbose_level |
||
| 3184 | |||
| 3185 | def testEndOfNamespaceComments(self): |
||
| 3186 | error_collector = ErrorCollector(self.assert_)
|
||
| 3187 | cpplint.ProcessFileData('foo.cc', 'cc', |
||
| 3188 | ['namespace {',
|
||
| 3189 | '',
|
||
| 3190 | '}', # No warning (too short) |
||
| 3191 | 'namespace expected {',
|
||
| 3192 | '} // namespace mismatched', # Warning here |
||
| 3193 | 'namespace {',
|
||
| 3194 | '} // namespace mismatched', # Warning here |
||
| 3195 | 'namespace outer { namespace nested {'] +
|
||
| 3196 | ([''] * 10) + |
||
| 3197 | ['}', # Warning here |
||
| 3198 | '}', # Warning here |
||
| 3199 | 'namespace {'] +
|
||
| 3200 | ([''] * 10) + |
||
| 3201 | ['}', # Warning here |
||
| 3202 | 'namespace {'] +
|
||
| 3203 | ([''] * 10) + |
||
| 3204 | ['} // namespace some description', # Anon warning |
||
| 3205 | 'namespace {'] +
|
||
| 3206 | ([''] * 10) + |
||
| 3207 | ['} // namespace anonymous', # Variant warning |
||
| 3208 | 'namespace {'] +
|
||
| 3209 | ([''] * 10) + |
||
| 3210 | ['} // anonymous namespace (utils)', # Variant |
||
| 3211 | 'namespace {'] +
|
||
| 3212 | ([''] * 10) + |
||
| 3213 | ['} // anonymous namespace', # No warning |
||
| 3214 | 'namespace missing_comment {'] +
|
||
| 3215 | ([''] * 10) + |
||
| 3216 | ['}', # Warning here |
||
| 3217 | 'namespace no_warning {'] +
|
||
| 3218 | ([''] * 10) + |
||
| 3219 | ['} // namespace no_warning',
|
||
| 3220 | 'namespace no_warning {'] +
|
||
| 3221 | ([''] * 10) + |
||
| 3222 | ['}; // end namespace no_warning',
|
||
| 3223 | '#define MACRO \\',
|
||
| 3224 | 'namespace c_style { \\'] +
|
||
| 3225 | (['\\'] * 10) + |
||
| 3226 | ['} /* namespace c_style. */ \\',
|
||
| 3227 | ';'],
|
||
| 3228 | error_collector) |
||
| 3229 | self.assertEquals(1, error_collector.Results().count( |
||
| 3230 | 'Namespace should be terminated with "// namespace expected"'
|
||
| 3231 | ' [readability/namespace] [5]'))
|
||
| 3232 | self.assertEquals(1, error_collector.Results().count( |
||
| 3233 | 'Namespace should be terminated with "// namespace outer"'
|
||
| 3234 | ' [readability/namespace] [5]'))
|
||
| 3235 | self.assertEquals(1, error_collector.Results().count( |
||
| 3236 | 'Namespace should be terminated with "// namespace nested"'
|
||
| 3237 | ' [readability/namespace] [5]'))
|
||
| 3238 | self.assertEquals(3, error_collector.Results().count( |
||
| 3239 | 'Anonymous namespace should be terminated with "// namespace"'
|
||
| 3240 | ' [readability/namespace] [5]'))
|
||
| 3241 | self.assertEquals(2, error_collector.Results().count( |
||
| 3242 | 'Anonymous namespace should be terminated with "// namespace" or'
|
||
| 3243 | ' "// anonymous namespace"'
|
||
| 3244 | ' [readability/namespace] [5]'))
|
||
| 3245 | self.assertEquals(1, error_collector.Results().count( |
||
| 3246 | 'Namespace should be terminated with "// namespace missing_comment"'
|
||
| 3247 | ' [readability/namespace] [5]'))
|
||
| 3248 | self.assertEquals(0, error_collector.Results().count( |
||
| 3249 | 'Namespace should be terminated with "// namespace no_warning"'
|
||
| 3250 | ' [readability/namespace] [5]'))
|
||
| 3251 | |||
| 3252 | def testElseClauseNotOnSameLineAsElse(self): |
||
| 3253 | self.TestLint(' else DoSomethingElse();', |
||
| 3254 | 'Else clause should never be on same line as else '
|
||
| 3255 | '(use 2 lines) [whitespace/newline] [4]')
|
||
| 3256 | self.TestLint(' else ifDoSomethingElse();', |
||
| 3257 | 'Else clause should never be on same line as else '
|
||
| 3258 | '(use 2 lines) [whitespace/newline] [4]')
|
||
| 3259 | self.TestLint(' } else if (blah) {', '') |
||
| 3260 | self.TestLint(' variable_ends_in_else = true;', '') |
||
| 3261 | |||
| 3262 | def testComma(self): |
||
| 3263 | self.TestLint('a = f(1,2);', |
||
| 3264 | 'Missing space after , [whitespace/comma] [3]')
|
||
| 3265 | self.TestLint('int tmp=a,a=b,b=tmp;', |
||
| 3266 | ['Missing spaces around = [whitespace/operators] [4]',
|
||
| 3267 | 'Missing space after , [whitespace/comma] [3]'])
|
||
| 3268 | self.TestLint('f(a, /* name */ b);', '') |
||
| 3269 | self.TestLint('f(a, /* name */b);', '') |
||
| 3270 | self.TestLint('f(a, /* name */-1);', '') |
||
| 3271 | self.TestLint('f(a, /* name */"1");', '') |
||
| 3272 | self.TestLint('f(1, /* empty macro arg */, 2)', '') |
||
| 3273 | self.TestLint('f(1,, 2)', '') |
||
| 3274 | self.TestLint('operator,()', '') |
||
| 3275 | self.TestLint('operator,(a,b)', |
||
| 3276 | 'Missing space after , [whitespace/comma] [3]')
|
||
| 3277 | |||
| 3278 | def testEqualsOperatorSpacing(self): |
||
| 3279 | self.TestLint('int tmp= a;', |
||
| 3280 | 'Missing spaces around = [whitespace/operators] [4]')
|
||
| 3281 | self.TestLint('int tmp =a;', |
||
| 3282 | 'Missing spaces around = [whitespace/operators] [4]')
|
||
| 3283 | self.TestLint('int tmp=a;', |
||
| 3284 | 'Missing spaces around = [whitespace/operators] [4]')
|
||
| 3285 | self.TestLint('int tmp= 7;', |
||
| 3286 | 'Missing spaces around = [whitespace/operators] [4]')
|
||
| 3287 | self.TestLint('int tmp =7;', |
||
| 3288 | 'Missing spaces around = [whitespace/operators] [4]')
|
||
| 3289 | self.TestLint('int tmp=7;', |
||
| 3290 | 'Missing spaces around = [whitespace/operators] [4]')
|
||
| 3291 | self.TestLint('int* tmp=*p;', |
||
| 3292 | 'Missing spaces around = [whitespace/operators] [4]')
|
||
| 3293 | self.TestLint('int* tmp= *p;', |
||
| 3294 | 'Missing spaces around = [whitespace/operators] [4]')
|
||
| 3295 | self.TestMultiLineLint(
|
||
| 3296 | TrimExtraIndent('''
|
||
| 3297 | lookahead_services_=
|
||
| 3298 | ::strings::Split(FLAGS_ls, ",", ::strings::SkipEmpty());'''),
|
||
| 3299 | 'Missing spaces around = [whitespace/operators] [4]')
|
||
| 3300 | self.TestLint('bool result = a>=42;', |
||
| 3301 | 'Missing spaces around >= [whitespace/operators] [3]')
|
||
| 3302 | self.TestLint('bool result = a<=42;', |
||
| 3303 | 'Missing spaces around <= [whitespace/operators] [3]')
|
||
| 3304 | self.TestLint('bool result = a==42;', |
||
| 3305 | 'Missing spaces around == [whitespace/operators] [3]')
|
||
| 3306 | self.TestLint('auto result = a!=42;', |
||
| 3307 | 'Missing spaces around != [whitespace/operators] [3]')
|
||
| 3308 | self.TestLint('int a = b!=c;', |
||
| 3309 | 'Missing spaces around != [whitespace/operators] [3]')
|
||
| 3310 | self.TestLint('a&=42;', '') |
||
| 3311 | self.TestLint('a|=42;', '') |
||
| 3312 | self.TestLint('a^=42;', '') |
||
| 3313 | self.TestLint('a+=42;', '') |
||
| 3314 | self.TestLint('a*=42;', '') |
||
| 3315 | self.TestLint('a/=42;', '') |
||
| 3316 | self.TestLint('a%=42;', '') |
||
| 3317 | self.TestLint('a>>=5;', '') |
||
| 3318 | self.TestLint('a<<=5;', '') |
||
| 3319 | |||
| 3320 | def testShiftOperatorSpacing(self): |
||
| 3321 | self.TestLint('a<<b', |
||
| 3322 | 'Missing spaces around << [whitespace/operators] [3]')
|
||
| 3323 | self.TestLint('a>>b', |
||
| 3324 | 'Missing spaces around >> [whitespace/operators] [3]')
|
||
| 3325 | self.TestLint('1<<20', '') |
||
| 3326 | self.TestLint('1024>>10', '') |
||
| 3327 | self.TestLint('Kernel<<<1, 2>>>()', '') |
||
| 3328 | |||
| 3329 | def testIndent(self): |
||
| 3330 | self.TestLint('static int noindent;', '') |
||
| 3331 | self.TestLint(' int two_space_indent;', '') |
||
| 3332 | self.TestLint(' int four_space_indent;', '') |
||
| 3333 | self.TestLint(' int one_space_indent;', |
||
| 3334 | 'Weird number of spaces at line-start. '
|
||
| 3335 | 'Are you using a 2-space indent? [whitespace/indent] [3]')
|
||
| 3336 | self.TestLint(' int three_space_indent;', |
||
| 3337 | 'Weird number of spaces at line-start. '
|
||
| 3338 | 'Are you using a 2-space indent? [whitespace/indent] [3]')
|
||
| 3339 | self.TestLint(' char* one_space_indent = "public:";', |
||
| 3340 | 'Weird number of spaces at line-start. '
|
||
| 3341 | 'Are you using a 2-space indent? [whitespace/indent] [3]')
|
||
| 3342 | self.TestLint(' public:', '') |
||
| 3343 | self.TestLint(' protected:', '') |
||
| 3344 | self.TestLint(' private:', '') |
||
| 3345 | self.TestLint(' protected: \\', '') |
||
| 3346 | self.TestLint(' public: \\', '') |
||
| 3347 | self.TestLint(' private: \\', '') |
||
| 3348 | self.TestMultiLineLint(
|
||
| 3349 | TrimExtraIndent("""
|
||
| 3350 | class foo {
|
||
| 3351 | public slots:
|
||
| 3352 | void bar();
|
||
| 3353 | };"""),
|
||
| 3354 | 'Weird number of spaces at line-start. '
|
||
| 3355 | 'Are you using a 2-space indent? [whitespace/indent] [3]')
|
||
| 3356 | self.TestMultiLineLint(
|
||
| 3357 | TrimExtraIndent('''
|
||
| 3358 | static const char kRawString[] = R"("
|
||
| 3359 | ")";'''),
|
||
| 3360 | '')
|
||
| 3361 | self.TestMultiLineLint(
|
||
| 3362 | TrimExtraIndent('''
|
||
| 3363 | static const char kNotRawString[] = "("
|
||
| 3364 | ")";'''),
|
||
| 3365 | 'Weird number of spaces at line-start. '
|
||
| 3366 | 'Are you using a 2-space indent? [whitespace/indent] [3]')
|
||
| 3367 | self.TestMultiLineLint(
|
||
| 3368 | ' static const char kSingleLineRawString[] = R"(...)";',
|
||
| 3369 | 'Weird number of spaces at line-start. '
|
||
| 3370 | 'Are you using a 2-space indent? [whitespace/indent] [3]')
|
||
| 3371 | |||
| 3372 | def testSectionIndent(self): |
||
| 3373 | self.TestMultiLineLint(
|
||
| 3374 | """
|
||
| 3375 | class A {
|
||
| 3376 | public: // no warning
|
||
| 3377 | private: // warning here
|
||
| 3378 | };""",
|
||
| 3379 | 'private: should be indented +1 space inside class A'
|
||
| 3380 | ' [whitespace/indent] [3]')
|
||
| 3381 | self.TestMultiLineLint(
|
||
| 3382 | """
|
||
| 3383 | class B {
|
||
| 3384 | public: // no warning
|
||
| 3385 | template<> struct C {
|
||
| 3386 | public: // warning here
|
||
| 3387 | protected: // no warning
|
||
| 3388 | };
|
||
| 3389 | };""",
|
||
| 3390 | 'public: should be indented +1 space inside struct C'
|
||
| 3391 | ' [whitespace/indent] [3]')
|
||
| 3392 | self.TestMultiLineLint(
|
||
| 3393 | """
|
||
| 3394 | struct D {
|
||
| 3395 | };""",
|
||
| 3396 | 'Closing brace should be aligned with beginning of struct D'
|
||
| 3397 | ' [whitespace/indent] [3]')
|
||
| 3398 | self.TestMultiLineLint(
|
||
| 3399 | """
|
||
| 3400 | template<typename E> class F {
|
||
| 3401 | };""",
|
||
| 3402 | 'Closing brace should be aligned with beginning of class F'
|
||
| 3403 | ' [whitespace/indent] [3]')
|
||
| 3404 | self.TestMultiLineLint(
|
||
| 3405 | """
|
||
| 3406 | class G {
|
||
| 3407 | Q_OBJECT
|
||
| 3408 | public slots:
|
||
| 3409 | signals:
|
||
| 3410 | };""",
|
||
| 3411 | ['public slots: should be indented +1 space inside class G'
|
||
| 3412 | ' [whitespace/indent] [3]',
|
||
| 3413 | 'signals: should be indented +1 space inside class G'
|
||
| 3414 | ' [whitespace/indent] [3]'])
|
||
| 3415 | self.TestMultiLineLint(
|
||
| 3416 | """
|
||
| 3417 | class H {
|
||
| 3418 | /* comments */ class I {
|
||
| 3419 | public: // no warning
|
||
| 3420 | private: // warning here
|
||
| 3421 | };
|
||
| 3422 | };""",
|
||
| 3423 | 'private: should be indented +1 space inside class I'
|
||
| 3424 | ' [whitespace/indent] [3]')
|
||
| 3425 | self.TestMultiLineLint(
|
||
| 3426 | """
|
||
| 3427 | class J
|
||
| 3428 | : public ::K {
|
||
| 3429 | public: // no warning
|
||
| 3430 | protected: // warning here
|
||
| 3431 | };""",
|
||
| 3432 | 'protected: should be indented +1 space inside class J'
|
||
| 3433 | ' [whitespace/indent] [3]')
|
||
| 3434 | self.TestMultiLineLint(
|
||
| 3435 | """
|
||
| 3436 | class L
|
||
| 3437 | : public M,
|
||
| 3438 | public ::N {
|
||
| 3439 | };""",
|
||
| 3440 | '')
|
||
| 3441 | self.TestMultiLineLint(
|
||
| 3442 | """
|
||
| 3443 | template <class O,
|
||
| 3444 | class P,
|
||
| 3445 | class Q,
|
||
| 3446 | typename R>
|
||
| 3447 | static void Func() {
|
||
| 3448 | }""",
|
||
| 3449 | '')
|
||
| 3450 | |||
| 3451 | def testConditionals(self): |
||
| 3452 | self.TestMultiLineLint(
|
||
| 3453 | """
|
||
| 3454 | if (foo)
|
||
| 3455 | goto fail;
|
||
| 3456 | goto fail;""",
|
||
| 3457 | 'If/else bodies with multiple statements require braces'
|
||
| 3458 | ' [readability/braces] [4]')
|
||
| 3459 | self.TestMultiLineLint(
|
||
| 3460 | """
|
||
| 3461 | if (foo)
|
||
| 3462 | goto fail; goto fail;""",
|
||
| 3463 | 'If/else bodies with multiple statements require braces'
|
||
| 3464 | ' [readability/braces] [4]')
|
||
| 3465 | self.TestMultiLineLint(
|
||
| 3466 | """
|
||
| 3467 | if (foo)
|
||
| 3468 | foo;
|
||
| 3469 | else
|
||
| 3470 | goto fail;
|
||
| 3471 | goto fail;""",
|
||
| 3472 | 'If/else bodies with multiple statements require braces'
|
||
| 3473 | ' [readability/braces] [4]')
|
||
| 3474 | self.TestMultiLineLint(
|
||
| 3475 | """
|
||
| 3476 | if (foo) goto fail;
|
||
| 3477 | goto fail;""",
|
||
| 3478 | 'If/else bodies with multiple statements require braces'
|
||
| 3479 | ' [readability/braces] [4]')
|
||
| 3480 | self.TestMultiLineLint(
|
||
| 3481 | """
|
||
| 3482 | if (foo)
|
||
| 3483 | if (bar)
|
||
| 3484 | baz;
|
||
| 3485 | else
|
||
| 3486 | qux;""",
|
||
| 3487 | 'Else clause should be indented at the same level as if. Ambiguous'
|
||
| 3488 | ' nested if/else chains require braces. [readability/braces] [4]')
|
||
| 3489 | self.TestMultiLineLint(
|
||
| 3490 | """
|
||
| 3491 | if (foo)
|
||
| 3492 | if (bar)
|
||
| 3493 | baz;
|
||
| 3494 | else
|
||
| 3495 | qux;""",
|
||
| 3496 | 'Else clause should be indented at the same level as if. Ambiguous'
|
||
| 3497 | ' nested if/else chains require braces. [readability/braces] [4]')
|
||
| 3498 | self.TestMultiLineLint(
|
||
| 3499 | """
|
||
| 3500 | if (foo) {
|
||
| 3501 | bar;
|
||
| 3502 | baz;
|
||
| 3503 | } else
|
||
| 3504 | qux;""",
|
||
| 3505 | 'If an else has a brace on one side, it should have it on both'
|
||
| 3506 | ' [readability/braces] [5]')
|
||
| 3507 | self.TestMultiLineLint(
|
||
| 3508 | """
|
||
| 3509 | if (foo)
|
||
| 3510 | bar;
|
||
| 3511 | else {
|
||
| 3512 | baz;
|
||
| 3513 | }""",
|
||
| 3514 | 'If an else has a brace on one side, it should have it on both'
|
||
| 3515 | ' [readability/braces] [5]')
|
||
| 3516 | self.TestMultiLineLint(
|
||
| 3517 | """
|
||
| 3518 | if (foo)
|
||
| 3519 | bar;
|
||
| 3520 | else if (baz) {
|
||
| 3521 | qux;
|
||
| 3522 | }""",
|
||
| 3523 | 'If an else has a brace on one side, it should have it on both'
|
||
| 3524 | ' [readability/braces] [5]')
|
||
| 3525 | self.TestMultiLineLint(
|
||
| 3526 | """
|
||
| 3527 | if (foo) {
|
||
| 3528 | bar;
|
||
| 3529 | } else if (baz)
|
||
| 3530 | qux;""",
|
||
| 3531 | 'If an else has a brace on one side, it should have it on both'
|
||
| 3532 | ' [readability/braces] [5]')
|
||
| 3533 | self.TestMultiLineLint(
|
||
| 3534 | """
|
||
| 3535 | if (foo)
|
||
| 3536 | goto fail;
|
||
| 3537 | bar;""",
|
||
| 3538 | '')
|
||
| 3539 | self.TestMultiLineLint(
|
||
| 3540 | """
|
||
| 3541 | if (foo
|
||
| 3542 | && bar) {
|
||
| 3543 | baz;
|
||
| 3544 | qux;
|
||
| 3545 | }""",
|
||
| 3546 | '')
|
||
| 3547 | self.TestMultiLineLint(
|
||
| 3548 | """
|
||
| 3549 | if (foo)
|
||
| 3550 | goto
|
||
| 3551 | fail;""",
|
||
| 3552 | '')
|
||
| 3553 | self.TestMultiLineLint(
|
||
| 3554 | """
|
||
| 3555 | if (foo)
|
||
| 3556 | bar;
|
||
| 3557 | else
|
||
| 3558 | baz;
|
||
| 3559 | qux;""",
|
||
| 3560 | '')
|
||
| 3561 | self.TestMultiLineLint(
|
||
| 3562 | """
|
||
| 3563 | for (;;) {
|
||
| 3564 | if (foo)
|
||
| 3565 | bar;
|
||
| 3566 | else
|
||
| 3567 | baz;
|
||
| 3568 | }""",
|
||
| 3569 | '')
|
||
| 3570 | self.TestMultiLineLint(
|
||
| 3571 | """
|
||
| 3572 | if (foo)
|
||
| 3573 | bar;
|
||
| 3574 | else if (baz)
|
||
| 3575 | baz;""",
|
||
| 3576 | '')
|
||
| 3577 | self.TestMultiLineLint(
|
||
| 3578 | """
|
||
| 3579 | if (foo)
|
||
| 3580 | bar;
|
||
| 3581 | else
|
||
| 3582 | baz;""",
|
||
| 3583 | '')
|
||
| 3584 | self.TestMultiLineLint(
|
||
| 3585 | """
|
||
| 3586 | if (foo) {
|
||
| 3587 | bar;
|
||
| 3588 | } else {
|
||
| 3589 | baz;
|
||
| 3590 | }""",
|
||
| 3591 | '')
|
||
| 3592 | self.TestMultiLineLint(
|
||
| 3593 | """
|
||
| 3594 | if (foo) {
|
||
| 3595 | bar;
|
||
| 3596 | } else if (baz) {
|
||
| 3597 | qux;
|
||
| 3598 | }""",
|
||
| 3599 | '')
|
||
| 3600 | # Note: this is an error for a different reason, but should not trigger the
|
||
| 3601 | # single-line if error.
|
||
| 3602 | self.TestMultiLineLint(
|
||
| 3603 | """
|
||
| 3604 | if (foo)
|
||
| 3605 | {
|
||
| 3606 | bar;
|
||
| 3607 | baz;
|
||
| 3608 | }""",
|
||
| 3609 | '{ should almost always be at the end of the previous line'
|
||
| 3610 | ' [whitespace/braces] [4]')
|
||
| 3611 | self.TestMultiLineLint(
|
||
| 3612 | """
|
||
| 3613 | if (foo) { \\
|
||
| 3614 | bar; \\
|
||
| 3615 | baz; \\
|
||
| 3616 | }""",
|
||
| 3617 | '')
|
||
| 3618 | self.TestMultiLineLint(
|
||
| 3619 | """
|
||
| 3620 | void foo() { if (bar) baz; }""",
|
||
| 3621 | '')
|
||
| 3622 | self.TestMultiLineLint(
|
||
| 3623 | """
|
||
| 3624 | #if foo
|
||
| 3625 | bar;
|
||
| 3626 | #else
|
||
| 3627 | baz;
|
||
| 3628 | qux;
|
||
| 3629 | #endif""",
|
||
| 3630 | '')
|
||
| 3631 | self.TestMultiLineLint(
|
||
| 3632 | """void F() {
|
||
| 3633 | variable = [] { if (true); };
|
||
| 3634 | variable =
|
||
| 3635 | [] { if (true); };
|
||
| 3636 | Call(
|
||
| 3637 | [] { if (true); },
|
||
| 3638 | [] { if (true); });
|
||
| 3639 | }""",
|
||
| 3640 | '')
|
||
| 3641 | |||
| 3642 | def testTab(self): |
||
| 3643 | self.TestLint('\tint a;', |
||
| 3644 | 'Tab found; better to use spaces [whitespace/tab] [1]')
|
||
| 3645 | self.TestLint('int a = 5;\t\t// set a to 5', |
||
| 3646 | 'Tab found; better to use spaces [whitespace/tab] [1]')
|
||
| 3647 | |||
| 3648 | def testParseArguments(self): |
||
| 3649 | old_usage = cpplint._USAGE |
||
| 3650 | old_error_categories = cpplint._ERROR_CATEGORIES |
||
| 3651 | old_output_format = cpplint._cpplint_state.output_format |
||
| 3652 | old_verbose_level = cpplint._cpplint_state.verbose_level |
||
| 3653 | old_filters = cpplint._cpplint_state.filters |
||
| 3654 | old_line_length = cpplint._line_length |
||
| 3655 | old_valid_extensions = cpplint._valid_extensions |
||
| 3656 | try:
|
||
| 3657 | # Don't print usage during the tests, or filter categories
|
||
| 3658 | cpplint._USAGE = ''
|
||
| 3659 | cpplint._ERROR_CATEGORIES = ''
|
||
| 3660 | |||
| 3661 | self.assertRaises(SystemExit, cpplint.ParseArguments, []) |
||
| 3662 | self.assertRaises(SystemExit, cpplint.ParseArguments, ['--badopt']) |
||
| 3663 | self.assertRaises(SystemExit, cpplint.ParseArguments, ['--help']) |
||
| 3664 | self.assertRaises(SystemExit, cpplint.ParseArguments, ['--v=0']) |
||
| 3665 | self.assertRaises(SystemExit, cpplint.ParseArguments, ['--filter=']) |
||
| 3666 | # This is illegal because all filters must start with + or -
|
||
| 3667 | self.assertRaises(SystemExit, cpplint.ParseArguments, ['--filter=foo']) |
||
| 3668 | self.assertRaises(SystemExit, cpplint.ParseArguments, |
||
| 3669 | ['--filter=+a,b,-c'])
|
||
| 3670 | |||
| 3671 | self.assertEquals(['foo.cc'], cpplint.ParseArguments(['foo.cc'])) |
||
| 3672 | self.assertEquals(old_output_format, cpplint._cpplint_state.output_format)
|
||
| 3673 | self.assertEquals(old_verbose_level, cpplint._cpplint_state.verbose_level)
|
||
| 3674 | |||
| 3675 | self.assertEquals(['foo.cc'], |
||
| 3676 | cpplint.ParseArguments(['--v=1', 'foo.cc'])) |
||
| 3677 | self.assertEquals(1, cpplint._cpplint_state.verbose_level) |
||
| 3678 | self.assertEquals(['foo.h'], |
||
| 3679 | cpplint.ParseArguments(['--v=3', 'foo.h'])) |
||
| 3680 | self.assertEquals(3, cpplint._cpplint_state.verbose_level) |
||
| 3681 | self.assertEquals(['foo.cpp'], |
||
| 3682 | cpplint.ParseArguments(['--verbose=5', 'foo.cpp'])) |
||
| 3683 | self.assertEquals(5, cpplint._cpplint_state.verbose_level) |
||
| 3684 | self.assertRaises(ValueError, |
||
| 3685 | cpplint.ParseArguments, ['--v=f', 'foo.cc']) |
||
| 3686 | |||
| 3687 | self.assertEquals(['foo.cc'], |
||
| 3688 | cpplint.ParseArguments(['--output=emacs', 'foo.cc'])) |
||
| 3689 | self.assertEquals('emacs', cpplint._cpplint_state.output_format) |
||
| 3690 | self.assertEquals(['foo.h'], |
||
| 3691 | cpplint.ParseArguments(['--output=vs7', 'foo.h'])) |
||
| 3692 | self.assertEquals('vs7', cpplint._cpplint_state.output_format) |
||
| 3693 | self.assertRaises(SystemExit, |
||
| 3694 | cpplint.ParseArguments, ['--output=blah', 'foo.cc']) |
||
| 3695 | |||
| 3696 | filt = '-,+whitespace,-whitespace/indent'
|
||
| 3697 | self.assertEquals(['foo.h'], |
||
| 3698 | cpplint.ParseArguments(['--filter='+filt, 'foo.h'])) |
||
| 3699 | self.assertEquals(['-', '+whitespace', '-whitespace/indent'], |
||
| 3700 | cpplint._cpplint_state.filters) |
||
| 3701 | |||
| 3702 | self.assertEquals(['foo.cc', 'foo.h'], |
||
| 3703 | cpplint.ParseArguments(['foo.cc', 'foo.h'])) |
||
| 3704 | |||
| 3705 | self.assertEqual(['foo.h'], |
||
| 3706 | cpplint.ParseArguments(['--linelength=120', 'foo.h'])) |
||
| 3707 | self.assertEqual(120, cpplint._line_length) |
||
| 3708 | |||
| 3709 | self.assertEqual(['foo.h'], |
||
| 3710 | cpplint.ParseArguments(['--extensions=hpp,cpp,cpp', 'foo.h'])) |
||
| 3711 | self.assertEqual(set(['hpp', 'cpp']), cpplint._valid_extensions) |
||
| 3712 | finally:
|
||
| 3713 | cpplint._USAGE = old_usage |
||
| 3714 | cpplint._ERROR_CATEGORIES = old_error_categories |
||
| 3715 | cpplint._cpplint_state.output_format = old_output_format |
||
| 3716 | cpplint._cpplint_state.verbose_level = old_verbose_level |
||
| 3717 | cpplint._cpplint_state.filters = old_filters |
||
| 3718 | cpplint._line_length = old_line_length |
||
| 3719 | cpplint._valid_extensions = old_valid_extensions |
||
| 3720 | |||
| 3721 | def testLineLength(self): |
||
| 3722 | old_line_length = cpplint._line_length |
||
| 3723 | try:
|
||
| 3724 | cpplint._line_length = 80
|
||
| 3725 | self.TestLint(
|
||
| 3726 | '// %s' % ('H' * 77), |
||
| 3727 | '')
|
||
| 3728 | self.TestLint(
|
||
| 3729 | '// %s' % ('H' * 78), |
||
| 3730 | 'Lines should be <= 80 characters long'
|
||
| 3731 | ' [whitespace/line_length] [2]')
|
||
| 3732 | cpplint._line_length = 120
|
||
| 3733 | self.TestLint(
|
||
| 3734 | '// %s' % ('H' * 117), |
||
| 3735 | '')
|
||
| 3736 | self.TestLint(
|
||
| 3737 | '// %s' % ('H' * 118), |
||
| 3738 | 'Lines should be <= 120 characters long'
|
||
| 3739 | ' [whitespace/line_length] [2]')
|
||
| 3740 | finally:
|
||
| 3741 | cpplint._line_length = old_line_length |
||
| 3742 | |||
| 3743 | def testFilter(self): |
||
| 3744 | old_filters = cpplint._cpplint_state.filters |
||
| 3745 | try:
|
||
| 3746 | cpplint._cpplint_state.SetFilters('-,+whitespace,-whitespace/indent')
|
||
| 3747 | self.TestLint(
|
||
| 3748 | '// Hello there ',
|
||
| 3749 | 'Line ends in whitespace. Consider deleting these extra spaces.'
|
||
| 3750 | ' [whitespace/end_of_line] [4]')
|
||
| 3751 | self.TestLint('int a = (int)1.0;', '') |
||
| 3752 | self.TestLint(' weird opening space', '') |
||
| 3753 | finally:
|
||
| 3754 | cpplint._cpplint_state.filters = old_filters |
||
| 3755 | |||
| 3756 | def testDefaultFilter(self): |
||
| 3757 | default_filters = cpplint._DEFAULT_FILTERS |
||
| 3758 | old_filters = cpplint._cpplint_state.filters |
||
| 3759 | cpplint._DEFAULT_FILTERS = ['-whitespace']
|
||
| 3760 | try:
|
||
| 3761 | # Reset filters
|
||
| 3762 | cpplint._cpplint_state.SetFilters('')
|
||
| 3763 | self.TestLint('// Hello there ', '') |
||
| 3764 | cpplint._cpplint_state.SetFilters('+whitespace/end_of_line')
|
||
| 3765 | self.TestLint(
|
||
| 3766 | '// Hello there ',
|
||
| 3767 | 'Line ends in whitespace. Consider deleting these extra spaces.'
|
||
| 3768 | ' [whitespace/end_of_line] [4]')
|
||
| 3769 | self.TestLint(' weird opening space', '') |
||
| 3770 | finally:
|
||
| 3771 | cpplint._cpplint_state.filters = old_filters |
||
| 3772 | cpplint._DEFAULT_FILTERS = default_filters |
||
| 3773 | |||
| 3774 | def testDuplicateHeader(self): |
||
| 3775 | error_collector = ErrorCollector(self.assert_)
|
||
| 3776 | cpplint.ProcessFileData('path/self.cc', 'cc', |
||
| 3777 | ['// Copyright 2014 Your Company. All Rights Reserved.',
|
||
| 3778 | '#include "path/self.h"',
|
||
| 3779 | '#include "path/duplicate.h"',
|
||
| 3780 | '#include "path/duplicate.h"',
|
||
| 3781 | '#ifdef MACRO',
|
||
| 3782 | '#include "path/unique.h"',
|
||
| 3783 | '#else',
|
||
| 3784 | '#include "path/unique.h"',
|
||
| 3785 | '#endif',
|
||
| 3786 | ''],
|
||
| 3787 | error_collector) |
||
| 3788 | self.assertEquals(
|
||
| 3789 | ['"path/duplicate.h" already included at path/self.cc:3 '
|
||
| 3790 | '[build/include] [4]'],
|
||
| 3791 | error_collector.ResultList()) |
||
| 3792 | |||
| 3793 | def testUnnamedNamespacesInHeaders(self): |
||
| 3794 | self.TestLanguageRulesCheck(
|
||
| 3795 | 'foo.h', 'namespace {', |
||
| 3796 | 'Do not use unnamed namespaces in header files. See'
|
||
| 3797 | ' http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml#Namespaces'
|
||
| 3798 | ' for more information. [build/namespaces] [4]')
|
||
| 3799 | # namespace registration macros are OK.
|
||
| 3800 | self.TestLanguageRulesCheck('foo.h', 'namespace { \\', '') |
||
| 3801 | # named namespaces are OK.
|
||
| 3802 | self.TestLanguageRulesCheck('foo.h', 'namespace foo {', '') |
||
| 3803 | self.TestLanguageRulesCheck('foo.h', 'namespace foonamespace {', '') |
||
| 3804 | self.TestLanguageRulesCheck('foo.cc', 'namespace {', '') |
||
| 3805 | self.TestLanguageRulesCheck('foo.cc', 'namespace foo {', '') |
||
| 3806 | |||
| 3807 | def testBuildClass(self): |
||
| 3808 | # Test that the linter can parse to the end of class definitions,
|
||
| 3809 | # and that it will report when it can't.
|
||
| 3810 | # Use multi-line linter because it performs the ClassState check.
|
||
| 3811 | self.TestMultiLineLint(
|
||
| 3812 | 'class Foo {',
|
||
| 3813 | 'Failed to find complete declaration of class Foo'
|
||
| 3814 | ' [build/class] [5]')
|
||
| 3815 | # Do the same for namespaces
|
||
| 3816 | self.TestMultiLineLint(
|
||
| 3817 | 'namespace Foo {',
|
||
| 3818 | 'Failed to find complete declaration of namespace Foo'
|
||
| 3819 | ' [build/namespaces] [5]')
|
||
| 3820 | # Don't warn on forward declarations of various types.
|
||
| 3821 | self.TestMultiLineLint(
|
||
| 3822 | 'class Foo;',
|
||
| 3823 | '')
|
||
| 3824 | self.TestMultiLineLint(
|
||
| 3825 | """struct Foo*
|
||
| 3826 | foo = NewFoo();""",
|
||
| 3827 | '')
|
||
| 3828 | # Test preprocessor.
|
||
| 3829 | self.TestMultiLineLint(
|
||
| 3830 | """#ifdef DERIVE_FROM_GOO
|
||
| 3831 | struct Foo : public Goo {
|
||
| 3832 | #else
|
||
| 3833 | struct Foo : public Hoo {
|
||
| 3834 | #endif
|
||
| 3835 | };""",
|
||
| 3836 | '')
|
||
| 3837 | self.TestMultiLineLint(
|
||
| 3838 | """
|
||
| 3839 | class Foo
|
||
| 3840 | #ifdef DERIVE_FROM_GOO
|
||
| 3841 | : public Goo {
|
||
| 3842 | #else
|
||
| 3843 | : public Hoo {
|
||
| 3844 | #endif
|
||
| 3845 | };""",
|
||
| 3846 | '')
|
||
| 3847 | # Test incomplete class
|
||
| 3848 | self.TestMultiLineLint(
|
||
| 3849 | 'class Foo {',
|
||
| 3850 | 'Failed to find complete declaration of class Foo'
|
||
| 3851 | ' [build/class] [5]')
|
||
| 3852 | |||
| 3853 | def testBuildEndComment(self): |
||
| 3854 | # The crosstool compiler we currently use will fail to compile the
|
||
| 3855 | # code in this test, so we might consider removing the lint check.
|
||
| 3856 | self.TestMultiLineLint(
|
||
| 3857 | """#if 0
|
||
| 3858 | #endif Not a comment""",
|
||
| 3859 | 'Uncommented text after #endif is non-standard. Use a comment.'
|
||
| 3860 | ' [build/endif_comment] [5]')
|
||
| 3861 | |||
| 3862 | def testBuildForwardDecl(self): |
||
| 3863 | # The crosstool compiler we currently use will fail to compile the
|
||
| 3864 | # code in this test, so we might consider removing the lint check.
|
||
| 3865 | self.TestLint('class Foo::Goo;', |
||
| 3866 | 'Inner-style forward declarations are invalid.'
|
||
| 3867 | ' Remove this line.'
|
||
| 3868 | ' [build/forward_decl] [5]')
|
||
| 3869 | |||
| 3870 | def GetBuildHeaderGuardPreprocessorSymbol(self, file_path): |
||
| 3871 | # Figure out the expected header guard by processing an empty file.
|
||
| 3872 | error_collector = ErrorCollector(self.assert_)
|
||
| 3873 | cpplint.ProcessFileData(file_path, 'h', [], error_collector)
|
||
| 3874 | for error in error_collector.ResultList(): |
||
| 3875 | matched = re.search( |
||
| 3876 | 'No #ifndef header guard found, suggested CPP variable is: ([A-Z_]+)',
|
||
| 3877 | error) |
||
| 3878 | if matched is not None: |
||
| 3879 | return matched.group(1) |
||
| 3880 | |||
| 3881 | def testBuildHeaderGuard(self): |
||
| 3882 | file_path = 'mydir/foo.h'
|
||
| 3883 | expected_guard = self.GetBuildHeaderGuardPreprocessorSymbol(file_path)
|
||
| 3884 | self.assertTrue(re.search('MYDIR_FOO_H_$', expected_guard)) |
||
| 3885 | |||
| 3886 | # No guard at all: expect one error.
|
||
| 3887 | error_collector = ErrorCollector(self.assert_)
|
||
| 3888 | cpplint.ProcessFileData(file_path, 'h', [], error_collector)
|
||
| 3889 | self.assertEquals(
|
||
| 3890 | 1,
|
||
| 3891 | error_collector.ResultList().count( |
||
| 3892 | 'No #ifndef header guard found, suggested CPP variable is: %s'
|
||
| 3893 | ' [build/header_guard] [5]' % expected_guard),
|
||
| 3894 | error_collector.ResultList()) |
||
| 3895 | |||
| 3896 | # No header guard, but the error is suppressed.
|
||
| 3897 | error_collector = ErrorCollector(self.assert_)
|
||
| 3898 | cpplint.ProcessFileData(file_path, 'h',
|
||
| 3899 | ['// Copyright 2014 Your Company.',
|
||
| 3900 | '// NOLINT(build/header_guard)', ''], |
||
| 3901 | error_collector) |
||
| 3902 | self.assertEquals([], error_collector.ResultList())
|
||
| 3903 | |||
| 3904 | # Wrong guard
|
||
| 3905 | error_collector = ErrorCollector(self.assert_)
|
||
| 3906 | cpplint.ProcessFileData(file_path, 'h',
|
||
| 3907 | ['#ifndef FOO_H', '#define FOO_H'], error_collector) |
||
| 3908 | self.assertEquals(
|
||
| 3909 | 1,
|
||
| 3910 | error_collector.ResultList().count( |
||
| 3911 | '#ifndef header guard has wrong style, please use: %s'
|
||
| 3912 | ' [build/header_guard] [5]' % expected_guard),
|
||
| 3913 | error_collector.ResultList()) |
||
| 3914 | |||
| 3915 | # No define
|
||
| 3916 | error_collector = ErrorCollector(self.assert_)
|
||
| 3917 | cpplint.ProcessFileData(file_path, 'h',
|
||
| 3918 | ['#ifndef %s' % expected_guard], error_collector)
|
||
| 3919 | self.assertEquals(
|
||
| 3920 | 1,
|
||
| 3921 | error_collector.ResultList().count( |
||
| 3922 | 'No #ifndef header guard found, suggested CPP variable is: %s'
|
||
| 3923 | ' [build/header_guard] [5]' % expected_guard),
|
||
| 3924 | error_collector.ResultList()) |
||
| 3925 | |||
| 3926 | # Mismatched define
|
||
| 3927 | error_collector = ErrorCollector(self.assert_)
|
||
| 3928 | cpplint.ProcessFileData(file_path, 'h',
|
||
| 3929 | ['#ifndef %s' % expected_guard,
|
||
| 3930 | '#define FOO_H'],
|
||
| 3931 | error_collector) |
||
| 3932 | self.assertEquals(
|
||
| 3933 | 1,
|
||
| 3934 | error_collector.ResultList().count( |
||
| 3935 | 'No #ifndef header guard found, suggested CPP variable is: %s'
|
||
| 3936 | ' [build/header_guard] [5]' % expected_guard),
|
||
| 3937 | error_collector.ResultList()) |
||
| 3938 | |||
| 3939 | # No endif
|
||
| 3940 | error_collector = ErrorCollector(self.assert_)
|
||
| 3941 | cpplint.ProcessFileData(file_path, 'h',
|
||
| 3942 | ['#ifndef %s' % expected_guard,
|
||
| 3943 | '#define %s' % expected_guard,
|
||
| 3944 | ''],
|
||
| 3945 | error_collector) |
||
| 3946 | self.assertEquals(
|
||
| 3947 | 1,
|
||
| 3948 | error_collector.ResultList().count( |
||
| 3949 | '#endif line should be "#endif // %s"'
|
||
| 3950 | ' [build/header_guard] [5]' % expected_guard),
|
||
| 3951 | error_collector.ResultList()) |
||
| 3952 | |||
| 3953 | # Commentless endif
|
||
| 3954 | error_collector = ErrorCollector(self.assert_)
|
||
| 3955 | cpplint.ProcessFileData(file_path, 'h',
|
||
| 3956 | ['#ifndef %s' % expected_guard,
|
||
| 3957 | '#define %s' % expected_guard,
|
||
| 3958 | '#endif'],
|
||
| 3959 | error_collector) |
||
| 3960 | self.assertEquals(
|
||
| 3961 | 1,
|
||
| 3962 | error_collector.ResultList().count( |
||
| 3963 | '#endif line should be "#endif // %s"'
|
||
| 3964 | ' [build/header_guard] [5]' % expected_guard),
|
||
| 3965 | error_collector.ResultList()) |
||
| 3966 | |||
| 3967 | # Commentless endif for old-style guard
|
||
| 3968 | error_collector = ErrorCollector(self.assert_)
|
||
| 3969 | cpplint.ProcessFileData(file_path, 'h',
|
||
| 3970 | ['#ifndef %s_' % expected_guard,
|
||
| 3971 | '#define %s_' % expected_guard,
|
||
| 3972 | '#endif'],
|
||
| 3973 | error_collector) |
||
| 3974 | self.assertEquals(
|
||
| 3975 | 1,
|
||
| 3976 | error_collector.ResultList().count( |
||
| 3977 | '#endif line should be "#endif // %s"'
|
||
| 3978 | ' [build/header_guard] [5]' % expected_guard),
|
||
| 3979 | error_collector.ResultList()) |
||
| 3980 | |||
| 3981 | # No header guard errors
|
||
| 3982 | error_collector = ErrorCollector(self.assert_)
|
||
| 3983 | cpplint.ProcessFileData(file_path, 'h',
|
||
| 3984 | ['#ifndef %s' % expected_guard,
|
||
| 3985 | '#define %s' % expected_guard,
|
||
| 3986 | '#endif // %s' % expected_guard],
|
||
| 3987 | error_collector) |
||
| 3988 | for line in error_collector.ResultList(): |
||
| 3989 | if line.find('build/header_guard') != -1: |
||
| 3990 | self.fail('Unexpected error: %s' % line) |
||
| 3991 | |||
| 3992 | # No header guard errors for old-style guard
|
||
| 3993 | error_collector = ErrorCollector(self.assert_)
|
||
| 3994 | cpplint.ProcessFileData(file_path, 'h',
|
||
| 3995 | ['#ifndef %s_' % expected_guard,
|
||
| 3996 | '#define %s_' % expected_guard,
|
||
| 3997 | '#endif // %s_' % expected_guard],
|
||
| 3998 | error_collector) |
||
| 3999 | for line in error_collector.ResultList(): |
||
| 4000 | if line.find('build/header_guard') != -1: |
||
| 4001 | self.fail('Unexpected error: %s' % line) |
||
| 4002 | |||
| 4003 | old_verbose_level = cpplint._cpplint_state.verbose_level |
||
| 4004 | try:
|
||
| 4005 | cpplint._cpplint_state.verbose_level = 0
|
||
| 4006 | # Warn on old-style guard if verbosity is 0.
|
||
| 4007 | error_collector = ErrorCollector(self.assert_)
|
||
| 4008 | cpplint.ProcessFileData(file_path, 'h',
|
||
| 4009 | ['#ifndef %s_' % expected_guard,
|
||
| 4010 | '#define %s_' % expected_guard,
|
||
| 4011 | '#endif // %s_' % expected_guard],
|
||
| 4012 | error_collector) |
||
| 4013 | self.assertEquals(
|
||
| 4014 | 1,
|
||
| 4015 | error_collector.ResultList().count( |
||
| 4016 | '#ifndef header guard has wrong style, please use: %s'
|
||
| 4017 | ' [build/header_guard] [0]' % expected_guard),
|
||
| 4018 | error_collector.ResultList()) |
||
| 4019 | finally:
|
||
| 4020 | cpplint._cpplint_state.verbose_level = old_verbose_level |
||
| 4021 | |||
| 4022 | # Completely incorrect header guard
|
||
| 4023 | error_collector = ErrorCollector(self.assert_)
|
||
| 4024 | cpplint.ProcessFileData(file_path, 'h',
|
||
| 4025 | ['#ifndef FOO',
|
||
| 4026 | '#define FOO',
|
||
| 4027 | '#endif // FOO'],
|
||
| 4028 | error_collector) |
||
| 4029 | self.assertEquals(
|
||
| 4030 | 1,
|
||
| 4031 | error_collector.ResultList().count( |
||
| 4032 | '#ifndef header guard has wrong style, please use: %s'
|
||
| 4033 | ' [build/header_guard] [5]' % expected_guard),
|
||
| 4034 | error_collector.ResultList()) |
||
| 4035 | self.assertEquals(
|
||
| 4036 | 1,
|
||
| 4037 | error_collector.ResultList().count( |
||
| 4038 | '#endif line should be "#endif // %s"'
|
||
| 4039 | ' [build/header_guard] [5]' % expected_guard),
|
||
| 4040 | error_collector.ResultList()) |
||
| 4041 | |||
| 4042 | # incorrect header guard with nolint
|
||
| 4043 | error_collector = ErrorCollector(self.assert_)
|
||
| 4044 | cpplint.ProcessFileData(file_path, 'h',
|
||
| 4045 | ['#ifndef FOO // NOLINT',
|
||
| 4046 | '#define FOO',
|
||
| 4047 | '#endif // FOO NOLINT'],
|
||
| 4048 | error_collector) |
||
| 4049 | self.assertEquals(
|
||
| 4050 | 0,
|
||
| 4051 | error_collector.ResultList().count( |
||
| 4052 | '#ifndef header guard has wrong style, please use: %s'
|
||
| 4053 | ' [build/header_guard] [5]' % expected_guard),
|
||
| 4054 | error_collector.ResultList()) |
||
| 4055 | self.assertEquals(
|
||
| 4056 | 0,
|
||
| 4057 | error_collector.ResultList().count( |
||
| 4058 | '#endif line should be "#endif // %s"'
|
||
| 4059 | ' [build/header_guard] [5]' % expected_guard),
|
||
| 4060 | error_collector.ResultList()) |
||
| 4061 | |||
| 4062 | # Special case for flymake
|
||
| 4063 | for test_file in ['mydir/foo_flymake.h', 'mydir/.flymake/foo.h']: |
||
| 4064 | error_collector = ErrorCollector(self.assert_)
|
||
| 4065 | cpplint.ProcessFileData(test_file, 'h',
|
||
| 4066 | ['// Copyright 2014 Your Company.', ''], |
||
| 4067 | error_collector) |
||
| 4068 | self.assertEquals(
|
||
| 4069 | 1,
|
||
| 4070 | error_collector.ResultList().count( |
||
| 4071 | 'No #ifndef header guard found, suggested CPP variable is: %s'
|
||
| 4072 | ' [build/header_guard] [5]' % expected_guard),
|
||
| 4073 | error_collector.ResultList()) |
||
| 4074 | |||
| 4075 | def testBuildHeaderGuardWithRoot(self): |
||
| 4076 | file_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), |
||
| 4077 | 'cpplint_test_header.h')
|
||
| 4078 | file_info = cpplint.FileInfo(file_path) |
||
| 4079 | if file_info.FullName() == file_info.RepositoryName():
|
||
| 4080 | # When FileInfo cannot deduce the root directory of the repository,
|
||
| 4081 | # FileInfo.RepositoryName returns the same value as FileInfo.FullName.
|
||
| 4082 | # This can happen when this source file was obtained without .svn or
|
||
| 4083 | # .git directory. (e.g. using 'svn export' or 'git archive').
|
||
| 4084 | # Skip this test in such a case because --root flag makes sense only
|
||
| 4085 | # when the root directory of the repository is properly deduced.
|
||
| 4086 | return
|
||
| 4087 | |||
| 4088 | self.assertEquals('CPPLINT_CPPLINT_TEST_HEADER_H_', |
||
| 4089 | cpplint.GetHeaderGuardCPPVariable(file_path)) |
||
| 4090 | cpplint._root = 'cpplint'
|
||
| 4091 | self.assertEquals('CPPLINT_TEST_HEADER_H_', |
||
| 4092 | cpplint.GetHeaderGuardCPPVariable(file_path)) |
||
| 4093 | # --root flag is ignored if an non-existent directory is specified.
|
||
| 4094 | cpplint._root = 'NON_EXISTENT_DIR'
|
||
| 4095 | self.assertEquals('CPPLINT_CPPLINT_TEST_HEADER_H_', |
||
| 4096 | cpplint.GetHeaderGuardCPPVariable(file_path)) |
||
| 4097 | |||
| 4098 | def testBuildInclude(self): |
||
| 4099 | # Test that include statements have slashes in them.
|
||
| 4100 | self.TestLint('#include "foo.h"', |
||
| 4101 | 'Include the directory when naming .h files'
|
||
| 4102 | ' [build/include] [4]')
|
||
| 4103 | self.TestLint('#include "Python.h"', '') |
||
| 4104 | self.TestLint('#include "lua.h"', '') |
||
| 4105 | |||
| 4106 | def testBuildPrintfFormat(self): |
||
| 4107 | error_collector = ErrorCollector(self.assert_)
|
||
| 4108 | cpplint.ProcessFileData( |
||
| 4109 | 'foo.cc', 'cc', |
||
| 4110 | [r'printf("\%%d", value);',
|
||
| 4111 | r'snprintf(buffer, sizeof(buffer), "\[%d", value);',
|
||
| 4112 | r'fprintf(file, "\(%d", value);',
|
||
| 4113 | r'vsnprintf(buffer, sizeof(buffer), "\\\{%d", ap);'],
|
||
| 4114 | error_collector) |
||
| 4115 | self.assertEquals(
|
||
| 4116 | 4,
|
||
| 4117 | error_collector.Results().count( |
||
| 4118 | '%, [, (, and { are undefined character escapes. Unescape them.'
|
||
| 4119 | ' [build/printf_format] [3]'))
|
||
| 4120 | |||
| 4121 | error_collector = ErrorCollector(self.assert_)
|
||
| 4122 | cpplint.ProcessFileData( |
||
| 4123 | 'foo.cc', 'cc', |
||
| 4124 | ['// Copyright 2014 Your Company.',
|
||
| 4125 | r'printf("\\%%%d", value);',
|
||
| 4126 | r'printf(R"(\[)");',
|
||
| 4127 | r'printf(R"(\[%s)", R"(\])");',
|
||
| 4128 | ''],
|
||
| 4129 | error_collector) |
||
| 4130 | self.assertEquals('', error_collector.Results()) |
||
| 4131 | |||
| 4132 | def testRuntimePrintfFormat(self): |
||
| 4133 | self.TestLint(
|
||
| 4134 | r'fprintf(file, "%q", value);',
|
||
| 4135 | '%q in format strings is deprecated. Use %ll instead.'
|
||
| 4136 | ' [runtime/printf_format] [3]')
|
||
| 4137 | |||
| 4138 | self.TestLint(
|
||
| 4139 | r'aprintf(file, "The number is %12q", value);',
|
||
| 4140 | '%q in format strings is deprecated. Use %ll instead.'
|
||
| 4141 | ' [runtime/printf_format] [3]')
|
||
| 4142 | |||
| 4143 | self.TestLint(
|
||
| 4144 | r'printf(file, "The number is" "%-12q", value);',
|
||
| 4145 | '%q in format strings is deprecated. Use %ll instead.'
|
||
| 4146 | ' [runtime/printf_format] [3]')
|
||
| 4147 | |||
| 4148 | self.TestLint(
|
||
| 4149 | r'printf(file, "The number is" "%+12q", value);',
|
||
| 4150 | '%q in format strings is deprecated. Use %ll instead.'
|
||
| 4151 | ' [runtime/printf_format] [3]')
|
||
| 4152 | |||
| 4153 | self.TestLint(
|
||
| 4154 | r'printf(file, "The number is" "% 12q", value);',
|
||
| 4155 | '%q in format strings is deprecated. Use %ll instead.'
|
||
| 4156 | ' [runtime/printf_format] [3]')
|
||
| 4157 | |||
| 4158 | self.TestLint(
|
||
| 4159 | r'snprintf(file, "Never mix %d and %1$d parameters!", value);',
|
||
| 4160 | '%N$ formats are unconventional. Try rewriting to avoid them.'
|
||
| 4161 | ' [runtime/printf_format] [2]')
|
||
| 4162 | |||
| 4163 | def TestLintLogCodeOnError(self, code, expected_message): |
||
| 4164 | # Special TestLint which logs the input code on error.
|
||
| 4165 | result = self.PerformSingleLineLint(code)
|
||
| 4166 | if result != expected_message:
|
||
| 4167 | self.fail('For code: "%s"\nGot: "%s"\nExpected: "%s"' |
||
| 4168 | % (code, result, expected_message)) |
||
| 4169 | |||
| 4170 | def testBuildStorageClass(self): |
||
| 4171 | qualifiers = [None, 'const', 'volatile'] |
||
| 4172 | signs = [None, 'signed', 'unsigned'] |
||
| 4173 | types = ['void', 'char', 'int', 'float', 'double', |
||
| 4174 | 'schar', 'int8', 'uint8', 'int16', 'uint16', |
||
| 4175 | 'int32', 'uint32', 'int64', 'uint64'] |
||
| 4176 | storage_classes = ['extern', 'register', 'static', 'typedef'] |
||
| 4177 | |||
| 4178 | build_storage_class_error_message = ( |
||
| 4179 | 'Storage class (static, extern, typedef, etc) should be first.'
|
||
| 4180 | ' [build/storage_class] [5]')
|
||
| 4181 | |||
| 4182 | # Some explicit cases. Legal in C++, deprecated in C99.
|
||
| 4183 | self.TestLint('const int static foo = 5;', |
||
| 4184 | build_storage_class_error_message) |
||
| 4185 | |||
| 4186 | self.TestLint('char static foo;', |
||
| 4187 | build_storage_class_error_message) |
||
| 4188 | |||
| 4189 | self.TestLint('double const static foo = 2.0;', |
||
| 4190 | build_storage_class_error_message) |
||
| 4191 | |||
| 4192 | self.TestLint('uint64 typedef unsigned_long_long;', |
||
| 4193 | build_storage_class_error_message) |
||
| 4194 | |||
| 4195 | self.TestLint('int register foo = 0;', |
||
| 4196 | build_storage_class_error_message) |
||
| 4197 | |||
| 4198 | # Since there are a very large number of possibilities, randomly
|
||
| 4199 | # construct declarations.
|
||
| 4200 | # Make sure that the declaration is logged if there's an error.
|
||
| 4201 | # Seed generator with an integer for absolute reproducibility.
|
||
| 4202 | random.seed(25)
|
||
| 4203 | for unused_i in range(10): |
||
| 4204 | # Build up random list of non-storage-class declaration specs.
|
||
| 4205 | other_decl_specs = [random.choice(qualifiers), random.choice(signs), |
||
| 4206 | random.choice(types)] |
||
| 4207 | # remove None
|
||
| 4208 | other_decl_specs = [x for x in other_decl_specs if x is not None] |
||
| 4209 | |||
| 4210 | # shuffle
|
||
| 4211 | random.shuffle(other_decl_specs) |
||
| 4212 | |||
| 4213 | # insert storage class after the first
|
||
| 4214 | storage_class = random.choice(storage_classes) |
||
| 4215 | insertion_point = random.randint(1, len(other_decl_specs)) |
||
| 4216 | decl_specs = (other_decl_specs[0:insertion_point]
|
||
| 4217 | + [storage_class] |
||
| 4218 | + other_decl_specs[insertion_point:]) |
||
| 4219 | |||
| 4220 | self.TestLintLogCodeOnError(
|
||
| 4221 | ' '.join(decl_specs) + ';', |
||
| 4222 | build_storage_class_error_message) |
||
| 4223 | |||
| 4224 | # but no error if storage class is first
|
||
| 4225 | self.TestLintLogCodeOnError(
|
||
| 4226 | storage_class + ' ' + ' '.join(other_decl_specs), |
||
| 4227 | '')
|
||
| 4228 | |||
| 4229 | def testLegalCopyright(self): |
||
| 4230 | legal_copyright_message = ( |
||
| 4231 | 'No copyright message found. '
|
||
| 4232 | 'You should have a line: "Copyright [year] <Copyright Owner>"'
|
||
| 4233 | ' [legal/copyright] [5]')
|
||
| 4234 | |||
| 4235 | copyright_line = '// Copyright 2014 Google Inc. All Rights Reserved.'
|
||
| 4236 | |||
| 4237 | file_path = 'mydir/googleclient/foo.cc'
|
||
| 4238 | |||
| 4239 | # There should be a copyright message in the first 10 lines
|
||
| 4240 | error_collector = ErrorCollector(self.assert_)
|
||
| 4241 | cpplint.ProcessFileData(file_path, 'cc', [], error_collector)
|
||
| 4242 | self.assertEquals(
|
||
| 4243 | 1,
|
||
| 4244 | error_collector.ResultList().count(legal_copyright_message)) |
||
| 4245 | |||
| 4246 | error_collector = ErrorCollector(self.assert_)
|
||
| 4247 | cpplint.ProcessFileData( |
||
| 4248 | file_path, 'cc',
|
||
| 4249 | ['' for unused_i in range(10)] + [copyright_line], |
||
| 4250 | error_collector) |
||
| 4251 | self.assertEquals(
|
||
| 4252 | 1,
|
||
| 4253 | error_collector.ResultList().count(legal_copyright_message)) |
||
| 4254 | |||
| 4255 | # Test that warning isn't issued if Copyright line appears early enough.
|
||
| 4256 | error_collector = ErrorCollector(self.assert_)
|
||
| 4257 | cpplint.ProcessFileData(file_path, 'cc', [copyright_line], error_collector)
|
||
| 4258 | for message in error_collector.ResultList(): |
||
| 4259 | if message.find('legal/copyright') != -1: |
||
| 4260 | self.fail('Unexpected error: %s' % message) |
||
| 4261 | |||
| 4262 | error_collector = ErrorCollector(self.assert_)
|
||
| 4263 | cpplint.ProcessFileData( |
||
| 4264 | file_path, 'cc',
|
||
| 4265 | ['' for unused_i in range(9)] + [copyright_line], |
||
| 4266 | error_collector) |
||
| 4267 | for message in error_collector.ResultList(): |
||
| 4268 | if message.find('legal/copyright') != -1: |
||
| 4269 | self.fail('Unexpected error: %s' % message) |
||
| 4270 | |||
| 4271 | def testInvalidIncrement(self): |
||
| 4272 | self.TestLint('*count++;', |
||
| 4273 | 'Changing pointer instead of value (or unused value of '
|
||
| 4274 | 'operator*). [runtime/invalid_increment] [5]')
|
||
| 4275 | |||
| 4276 | def testSnprintfSize(self): |
||
| 4277 | self.TestLint('vsnprintf(NULL, 0, format)', '') |
||
| 4278 | self.TestLint('snprintf(fisk, 1, format)', |
||
| 4279 | 'If you can, use sizeof(fisk) instead of 1 as the 2nd arg '
|
||
| 4280 | 'to snprintf. [runtime/printf] [3]')
|
||
| 4281 | class Cxx11Test(CpplintTestBase): |
||
| 4282 | |||
| 4283 | def Helper(self, package, extension, lines, count): |
||
| 4284 | filename = package + '/foo.' + extension
|
||
| 4285 | lines = lines[:] |
||
| 4286 | |||
| 4287 | # Header files need to have an ifdef guard wrapped around their code.
|
||
| 4288 | if extension == 'h': |
||
| 4289 | guard = filename.upper().replace('/', '_').replace('.', '_') + '_' |
||
| 4290 | lines.insert(0, '#ifndef ' + guard) |
||
| 4291 | lines.insert(1, '#define ' + guard) |
||
| 4292 | lines.append('#endif // ' + guard)
|
||
| 4293 | |||
| 4294 | # All files need a final blank line.
|
||
| 4295 | lines.append('')
|
||
| 4296 | |||
| 4297 | # Process the file and check resulting error count.
|
||
| 4298 | collector = ErrorCollector(self.assert_)
|
||
| 4299 | cpplint.ProcessFileData(filename, extension, lines, collector) |
||
| 4300 | error_list = collector.ResultList() |
||
| 4301 | self.assertEquals(count, len(error_list), error_list) |
||
| 4302 | |||
| 4303 | def TestCxx11Feature(self, code, expected_error): |
||
| 4304 | lines = code.split('\n')
|
||
| 4305 | collector = ErrorCollector(self.assert_)
|
||
| 4306 | cpplint.RemoveMultiLineComments('foo.h', lines, collector)
|
||
| 4307 | clean_lines = cpplint.CleansedLines(lines) |
||
| 4308 | cpplint.FlagCxx11Features('foo.cc', clean_lines, 0, collector) |
||
| 4309 | self.assertEquals(expected_error, collector.Results())
|
||
| 4310 | |||
| 4311 | def testBlockedHeaders(self): |
||
| 4312 | self.TestCxx11Feature('#include <mutex>', |
||
| 4313 | '<mutex> is an unapproved C++11 header.'
|
||
| 4314 | ' [build/c++11] [5]')
|
||
| 4315 | |||
| 4316 | def testBlockedClasses(self): |
||
| 4317 | self.TestCxx11Feature('std::alignment_of<T>', |
||
| 4318 | 'std::alignment_of is an unapproved '
|
||
| 4319 | 'C++11 class or function. Send c-style an example '
|
||
| 4320 | 'of where it would make your code more readable, '
|
||
| 4321 | 'and they may let you use it.'
|
||
| 4322 | ' [build/c++11] [5]')
|
||
| 4323 | self.TestCxx11Feature('std::alignment_offer', '') |
||
| 4324 | self.TestCxx11Feature('mystd::alignment_of', '') |
||
| 4325 | self.TestCxx11Feature('std::binomial_distribution', '') |
||
| 4326 | |||
| 4327 | def testBlockedFunctions(self): |
||
| 4328 | self.TestCxx11Feature('std::alignment_of<int>', |
||
| 4329 | 'std::alignment_of is an unapproved '
|
||
| 4330 | 'C++11 class or function. Send c-style an example '
|
||
| 4331 | 'of where it would make your code more readable, '
|
||
| 4332 | 'and they may let you use it.'
|
||
| 4333 | ' [build/c++11] [5]')
|
||
| 4334 | # Missed because of the lack of "std::". Compiles because ADL
|
||
| 4335 | # looks in the namespace of my_shared_ptr, which (presumably) is
|
||
| 4336 | # std::. But there will be a lint error somewhere in this file
|
||
| 4337 | # since my_shared_ptr had to be defined.
|
||
| 4338 | self.TestCxx11Feature('static_pointer_cast<Base>(my_shared_ptr)', '') |
||
| 4339 | self.TestCxx11Feature('std::declval<T>()', '') |
||
| 4340 | |||
| 4341 | def testExplicitMakePair(self): |
||
| 4342 | self.TestLint('make_pair', '') |
||
| 4343 | self.TestLint('make_pair(42, 42)', '') |
||
| 4344 | self.TestLint('make_pair<', |
||
| 4345 | 'For C++11-compatibility, omit template arguments from'
|
||
| 4346 | ' make_pair OR use pair directly OR if appropriate,'
|
||
| 4347 | ' construct a pair directly'
|
||
| 4348 | ' [build/explicit_make_pair] [4]')
|
||
| 4349 | self.TestLint('make_pair <', |
||
| 4350 | 'For C++11-compatibility, omit template arguments from'
|
||
| 4351 | ' make_pair OR use pair directly OR if appropriate,'
|
||
| 4352 | ' construct a pair directly'
|
||
| 4353 | ' [build/explicit_make_pair] [4]')
|
||
| 4354 | self.TestLint('my_make_pair<int, int>', '') |
||
| 4355 | |||
| 4356 | class CleansedLinesTest(unittest.TestCase): |
||
| 4357 | |||
| 4358 | def testInit(self): |
||
| 4359 | lines = ['Line 1',
|
||
| 4360 | 'Line 2',
|
||
| 4361 | 'Line 3 // Comment test',
|
||
| 4362 | 'Line 4 /* Comment test */',
|
||
| 4363 | 'Line 5 "foo"']
|
||
| 4364 | |||
| 4365 | clean_lines = cpplint.CleansedLines(lines) |
||
| 4366 | self.assertEquals(lines, clean_lines.raw_lines)
|
||
| 4367 | self.assertEquals(5, clean_lines.NumLines()) |
||
| 4368 | |||
| 4369 | self.assertEquals(['Line 1', |
||
| 4370 | 'Line 2',
|
||
| 4371 | 'Line 3',
|
||
| 4372 | 'Line 4',
|
||
| 4373 | 'Line 5 "foo"'],
|
||
| 4374 | clean_lines.lines) |
||
| 4375 | |||
| 4376 | self.assertEquals(['Line 1', |
||
| 4377 | 'Line 2',
|
||
| 4378 | 'Line 3',
|
||
| 4379 | 'Line 4',
|
||
| 4380 | 'Line 5 ""'],
|
||
| 4381 | clean_lines.elided) |
||
| 4382 | |||
| 4383 | def testInitEmpty(self): |
||
| 4384 | clean_lines = cpplint.CleansedLines([]) |
||
| 4385 | self.assertEquals([], clean_lines.raw_lines)
|
||
| 4386 | self.assertEquals(0, clean_lines.NumLines()) |
||
| 4387 | |||
| 4388 | def testCollapseStrings(self): |
||
| 4389 | collapse = cpplint.CleansedLines._CollapseStrings |
||
| 4390 | self.assertEquals('""', collapse('""')) # "" (empty) |
||
| 4391 | self.assertEquals('"""', collapse('"""')) # """ (bad) |
||
| 4392 | self.assertEquals('""', collapse('"xyz"')) # "xyz" (string) |
||
| 4393 | self.assertEquals('""', collapse('"\\\""')) # "\"" (string) |
||
| 4394 | self.assertEquals('""', collapse('"\'"')) # "'" (string) |
||
| 4395 | self.assertEquals('"\"', collapse('"\"')) # "\" (bad) |
||
| 4396 | self.assertEquals('""', collapse('"\\\\"')) # "\\" (string) |
||
| 4397 | self.assertEquals('"', collapse('"\\\\\\"')) # "\\\" (bad) |
||
| 4398 | self.assertEquals('""', collapse('"\\\\\\\\"')) # "\\\\" (string) |
||
| 4399 | |||
| 4400 | self.assertEquals('\'\'', collapse('\'\'')) # '' (empty) |
||
| 4401 | self.assertEquals('\'\'', collapse('\'a\'')) # 'a' (char) |
||
| 4402 | self.assertEquals('\'\'', collapse('\'\\\'\'')) # '\'' (char) |
||
| 4403 | self.assertEquals('\'', collapse('\'\\\'')) # '\' (bad) |
||
| 4404 | self.assertEquals('', collapse('\\012')) # '\012' (char) |
||
| 4405 | self.assertEquals('', collapse('\\xfF0')) # '\xfF0' (char) |
||
| 4406 | self.assertEquals('', collapse('\\n')) # '\n' (char) |
||
| 4407 | self.assertEquals(r'\#', collapse('\\#')) # '\#' (bad) |
||
| 4408 | |||
| 4409 | self.assertEquals('"" + ""', collapse('"\'" + "\'"')) |
||
| 4410 | self.assertEquals("'', ''", collapse("'\"', '\"'")) |
||
| 4411 | self.assertEquals('""[0b10]', collapse('"a\'b"[0b1\'0]')) |
||
| 4412 | |||
| 4413 | self.assertEquals('42', collapse("4'2")) |
||
| 4414 | self.assertEquals('0b0101', collapse("0b0'1'0'1")) |
||
| 4415 | self.assertEquals('1048576', collapse("1'048'576")) |
||
| 4416 | self.assertEquals('0X100000', collapse("0X10'0000")) |
||
| 4417 | self.assertEquals('0004000000', collapse("0'004'000'000")) |
||
| 4418 | self.assertEquals('1.602176565e-19', collapse("1.602'176'565e-19")) |
||
| 4419 | self.assertEquals('\'\' + 0xffff', collapse("'i' + 0xf'f'f'f")) |
||
| 4420 | self.assertEquals('sizeof\'\' == 1', collapse("sizeof'x' == 1")) |
||
| 4421 | self.assertEquals('0x.03p100', collapse('0x.0\'3p1\'0\'0')) |
||
| 4422 | self.assertEquals('123.45', collapse('1\'23.4\'5')) |
||
| 4423 | |||
| 4424 | self.assertEquals('StringReplace(body, "", "");', |
||
| 4425 | collapse('StringReplace(body, "\\\\", "\\\\\\\\");'))
|
||
| 4426 | self.assertEquals('\'\' ""', |
||
| 4427 | collapse('\'"\' "foo"'))
|
||
| 4428 | |||
| 4429 | |||
| 4430 | class OrderOfIncludesTest(CpplintTestBase): |
||
| 4431 | |||
| 4432 | def setUp(self): |
||
| 4433 | CpplintTestBase.setUp(self)
|
||
| 4434 | self.include_state = cpplint._IncludeState()
|
||
| 4435 | os.path.abspath = lambda value: value
|
||
| 4436 | |||
| 4437 | def testCheckNextIncludeOrder_OtherThenCpp(self): |
||
| 4438 | self.assertEqual('', self.include_state.CheckNextIncludeOrder( |
||
| 4439 | cpplint._OTHER_HEADER)) |
||
| 4440 | self.assertEqual('Found C++ system header after other header', |
||
| 4441 | self.include_state.CheckNextIncludeOrder(
|
||
| 4442 | cpplint._CPP_SYS_HEADER)) |
||
| 4443 | |||
| 4444 | def testCheckNextIncludeOrder_CppThenC(self): |
||
| 4445 | self.assertEqual('', self.include_state.CheckNextIncludeOrder( |
||
| 4446 | cpplint._CPP_SYS_HEADER)) |
||
| 4447 | self.assertEqual('Found C system header after C++ system header', |
||
| 4448 | self.include_state.CheckNextIncludeOrder(
|
||
| 4449 | cpplint._C_SYS_HEADER)) |
||
| 4450 | |||
| 4451 | def testCheckNextIncludeOrder_LikelyThenCpp(self): |
||
| 4452 | self.assertEqual('', self.include_state.CheckNextIncludeOrder( |
||
| 4453 | cpplint._LIKELY_MY_HEADER)) |
||
| 4454 | self.assertEqual('', self.include_state.CheckNextIncludeOrder( |
||
| 4455 | cpplint._CPP_SYS_HEADER)) |
||
| 4456 | |||
| 4457 | def testCheckNextIncludeOrder_PossibleThenCpp(self): |
||
| 4458 | self.assertEqual('', self.include_state.CheckNextIncludeOrder( |
||
| 4459 | cpplint._POSSIBLE_MY_HEADER)) |
||
| 4460 | self.assertEqual('', self.include_state.CheckNextIncludeOrder( |
||
| 4461 | cpplint._CPP_SYS_HEADER)) |
||
| 4462 | |||
| 4463 | def testCheckNextIncludeOrder_CppThenLikely(self): |
||
| 4464 | self.assertEqual('', self.include_state.CheckNextIncludeOrder( |
||
| 4465 | cpplint._CPP_SYS_HEADER)) |
||
| 4466 | # This will eventually fail.
|
||
| 4467 | self.assertEqual('', self.include_state.CheckNextIncludeOrder( |
||
| 4468 | cpplint._LIKELY_MY_HEADER)) |
||
| 4469 | |||
| 4470 | def testCheckNextIncludeOrder_CppThenPossible(self): |
||
| 4471 | self.assertEqual('', self.include_state.CheckNextIncludeOrder( |
||
| 4472 | cpplint._CPP_SYS_HEADER)) |
||
| 4473 | self.assertEqual('', self.include_state.CheckNextIncludeOrder( |
||
| 4474 | cpplint._POSSIBLE_MY_HEADER)) |
||
| 4475 | |||
| 4476 | def testClassifyInclude(self): |
||
| 4477 | file_info = cpplint.FileInfo |
||
| 4478 | classify_include = cpplint._ClassifyInclude |
||
| 4479 | self.assertEqual(cpplint._C_SYS_HEADER,
|
||
| 4480 | classify_include(file_info('foo/foo.cc'),
|
||
| 4481 | 'stdio.h',
|
||
| 4482 | True))
|
||
| 4483 | self.assertEqual(cpplint._CPP_SYS_HEADER,
|
||
| 4484 | classify_include(file_info('foo/foo.cc'),
|
||
| 4485 | 'string',
|
||
| 4486 | True))
|
||
| 4487 | self.assertEqual(cpplint._CPP_SYS_HEADER,
|
||
| 4488 | classify_include(file_info('foo/foo.cc'),
|
||
| 4489 | 'typeinfo',
|
||
| 4490 | True))
|
||
| 4491 | self.assertEqual(cpplint._OTHER_HEADER,
|
||
| 4492 | classify_include(file_info('foo/foo.cc'),
|
||
| 4493 | 'string',
|
||
| 4494 | False))
|
||
| 4495 | |||
| 4496 | self.assertEqual(cpplint._LIKELY_MY_HEADER,
|
||
| 4497 | classify_include(file_info('foo/foo.cc'),
|
||
| 4498 | 'foo/foo-inl.h',
|
||
| 4499 | False))
|
||
| 4500 | self.assertEqual(cpplint._LIKELY_MY_HEADER,
|
||
| 4501 | classify_include(file_info('foo/internal/foo.cc'),
|
||
| 4502 | 'foo/public/foo.h',
|
||
| 4503 | False))
|
||
| 4504 | self.assertEqual(cpplint._POSSIBLE_MY_HEADER,
|
||
| 4505 | classify_include(file_info('foo/internal/foo.cc'),
|
||
| 4506 | 'foo/other/public/foo.h',
|
||
| 4507 | False))
|
||
| 4508 | self.assertEqual(cpplint._OTHER_HEADER,
|
||
| 4509 | classify_include(file_info('foo/internal/foo.cc'),
|
||
| 4510 | 'foo/other/public/foop.h',
|
||
| 4511 | False))
|
||
| 4512 | |||
| 4513 | def testTryDropCommonSuffixes(self): |
||
| 4514 | self.assertEqual('foo/foo', cpplint._DropCommonSuffixes('foo/foo-inl.h')) |
||
| 4515 | self.assertEqual('foo/bar/foo', |
||
| 4516 | cpplint._DropCommonSuffixes('foo/bar/foo_inl.h'))
|
||
| 4517 | self.assertEqual('foo/foo', cpplint._DropCommonSuffixes('foo/foo.cc')) |
||
| 4518 | self.assertEqual('foo/foo_unusualinternal', |
||
| 4519 | cpplint._DropCommonSuffixes('foo/foo_unusualinternal.h'))
|
||
| 4520 | self.assertEqual('', |
||
| 4521 | cpplint._DropCommonSuffixes('_test.cc'))
|
||
| 4522 | self.assertEqual('test', |
||
| 4523 | cpplint._DropCommonSuffixes('test.cc'))
|
||
| 4524 | |||
| 4525 | def testRegression(self): |
||
| 4526 | def Format(includes): |
||
| 4527 | include_list = [] |
||
| 4528 | for item in includes: |
||
| 4529 | if item.startswith('"') or item.startswith('<'): |
||
| 4530 | include_list.append('#include %s\n' % item)
|
||
| 4531 | else:
|
||
| 4532 | include_list.append(item + '\n')
|
||
| 4533 | return ''.join(include_list) |
||
| 4534 | |||
| 4535 | # Test singleton cases first.
|
||
| 4536 | self.TestLanguageRulesCheck('foo/foo.cc', Format(['"foo/foo.h"']), '') |
||
| 4537 | self.TestLanguageRulesCheck('foo/foo.cc', Format(['<stdio.h>']), '') |
||
| 4538 | self.TestLanguageRulesCheck('foo/foo.cc', Format(['<string>']), '') |
||
| 4539 | self.TestLanguageRulesCheck('foo/foo.cc', Format(['"foo/foo-inl.h"']), '') |
||
| 4540 | self.TestLanguageRulesCheck('foo/foo.cc', Format(['"bar/bar-inl.h"']), '') |
||
| 4541 | self.TestLanguageRulesCheck('foo/foo.cc', Format(['"bar/bar.h"']), '') |
||
| 4542 | |||
| 4543 | # Test everything in a good and new order.
|
||
| 4544 | self.TestLanguageRulesCheck('foo/foo.cc', |
||
| 4545 | Format(['"foo/foo.h"',
|
||
| 4546 | '"foo/foo-inl.h"',
|
||
| 4547 | '<stdio.h>',
|
||
| 4548 | '<string>',
|
||
| 4549 | '<unordered_map>',
|
||
| 4550 | '"bar/bar-inl.h"',
|
||
| 4551 | '"bar/bar.h"']),
|
||
| 4552 | '')
|
||
| 4553 | |||
| 4554 | # Test bad orders.
|
||
| 4555 | self.TestLanguageRulesCheck(
|
||
| 4556 | 'foo/foo.cc',
|
||
| 4557 | Format(['<string>', '<stdio.h>']), |
||
| 4558 | 'Found C system header after C++ system header.'
|
||
| 4559 | ' Should be: foo.h, c system, c++ system, other.'
|
||
| 4560 | ' [build/include_order] [4]')
|
||
| 4561 | self.TestLanguageRulesCheck(
|
||
| 4562 | 'foo/foo.cc',
|
||
| 4563 | Format(['"foo/bar-inl.h"',
|
||
| 4564 | '"foo/foo-inl.h"']),
|
||
| 4565 | '')
|
||
| 4566 | self.TestLanguageRulesCheck(
|
||
| 4567 | 'foo/foo.cc',
|
||
| 4568 | Format(['"foo/e.h"',
|
||
| 4569 | '"foo/b.h"', # warning here (e>b) |
||
| 4570 | '"foo/c.h"',
|
||
| 4571 | '"foo/d.h"',
|
||
| 4572 | '"foo/a.h"']), # warning here (d>a) |
||
| 4573 | ['Include "foo/b.h" not in alphabetical order'
|
||
| 4574 | ' [build/include_alpha] [4]',
|
||
| 4575 | 'Include "foo/a.h" not in alphabetical order'
|
||
| 4576 | ' [build/include_alpha] [4]'])
|
||
| 4577 | # -inl.h headers are no longer special.
|
||
| 4578 | self.TestLanguageRulesCheck('foo/foo.cc', |
||
| 4579 | Format(['"foo/foo-inl.h"', '<string>']), |
||
| 4580 | '')
|
||
| 4581 | self.TestLanguageRulesCheck('foo/foo.cc', |
||
| 4582 | Format(['"foo/bar.h"', '"foo/bar-inl.h"']), |
||
| 4583 | '')
|
||
| 4584 | # Test componentized header. OK to have my header in ../public dir.
|
||
| 4585 | self.TestLanguageRulesCheck('foo/internal/foo.cc', |
||
| 4586 | Format(['"foo/public/foo.h"', '<string>']), |
||
| 4587 | '')
|
||
| 4588 | # OK to have my header in other dir (not stylistically, but
|
||
| 4589 | # cpplint isn't as good as a human).
|
||
| 4590 | self.TestLanguageRulesCheck('foo/internal/foo.cc', |
||
| 4591 | Format(['"foo/other/public/foo.h"',
|
||
| 4592 | '<string>']),
|
||
| 4593 | '')
|
||
| 4594 | self.TestLanguageRulesCheck('foo/foo.cc', |
||
| 4595 | Format(['"foo/foo.h"',
|
||
| 4596 | '<string>',
|
||
| 4597 | '"base/google.h"',
|
||
| 4598 | '"base/flags.h"']),
|
||
| 4599 | 'Include "base/flags.h" not in alphabetical '
|
||
| 4600 | 'order [build/include_alpha] [4]')
|
||
| 4601 | # According to the style, -inl.h should come before .h, but we don't
|
||
| 4602 | # complain about that.
|
||
| 4603 | self.TestLanguageRulesCheck('foo/foo.cc', |
||
| 4604 | Format(['"foo/foo-inl.h"',
|
||
| 4605 | '"foo/foo.h"',
|
||
| 4606 | '"base/google.h"',
|
||
| 4607 | '"base/google-inl.h"']),
|
||
| 4608 | '')
|
||
| 4609 | # Allow project includes to be separated by blank lines
|
||
| 4610 | self.TestLanguageRulesCheck('a/a.cc', |
||
| 4611 | Format(['"a/a.h"',
|
||
| 4612 | '<string>',
|
||
| 4613 | '"base/google.h"',
|
||
| 4614 | '',
|
||
| 4615 | '"b/c.h"',
|
||
| 4616 | '',
|
||
| 4617 | 'MACRO',
|
||
| 4618 | '"a/b.h"']),
|
||
| 4619 | '')
|
||
| 4620 | self.TestLanguageRulesCheck('a/a.cc', |
||
| 4621 | Format(['"a/a.h"',
|
||
| 4622 | '<string>',
|
||
| 4623 | '"base/google.h"',
|
||
| 4624 | '"a/b.h"']),
|
||
| 4625 | 'Include "a/b.h" not in alphabetical '
|
||
| 4626 | 'order [build/include_alpha] [4]')
|
||
| 4627 | |||
| 4628 | # Test conditional includes
|
||
| 4629 | self.TestLanguageRulesCheck(
|
||
| 4630 | 'a/a.cc',
|
||
| 4631 | ''.join(['#include <string.h>\n', |
||
| 4632 | '#include "base/port.h"\n',
|
||
| 4633 | '#include <initializer_list>\n']),
|
||
| 4634 | ('Found C++ system header after other header. '
|
||
| 4635 | 'Should be: a.h, c system, c++ system, other. '
|
||
| 4636 | '[build/include_order] [4]'))
|
||
| 4637 | self.TestLanguageRulesCheck(
|
||
| 4638 | 'a/a.cc',
|
||
| 4639 | ''.join(['#include <string.h>\n', |
||
| 4640 | '#include "base/port.h"\n',
|
||
| 4641 | '#ifdef LANG_CXX11\n',
|
||
| 4642 | '#include <initializer_list>\n',
|
||
| 4643 | '#endif // LANG_CXX11\n']),
|
||
| 4644 | '')
|
||
| 4645 | self.TestLanguageRulesCheck(
|
||
| 4646 | 'a/a.cc',
|
||
| 4647 | ''.join(['#include <string.h>\n', |
||
| 4648 | '#ifdef LANG_CXX11\n',
|
||
| 4649 | '#include "base/port.h"\n',
|
||
| 4650 | '#include <initializer_list>\n',
|
||
| 4651 | '#endif // LANG_CXX11\n']),
|
||
| 4652 | ('Found C++ system header after other header. '
|
||
| 4653 | 'Should be: a.h, c system, c++ system, other. '
|
||
| 4654 | '[build/include_order] [4]'))
|
||
| 4655 | |||
| 4656 | # Third party headers are exempt from order checks
|
||
| 4657 | self.TestLanguageRulesCheck('foo/foo.cc', |
||
| 4658 | Format(['<string>', '"Python.h"', '<vector>']), |
||
| 4659 | '')
|
||
| 4660 | |||
| 4661 | |||
| 4662 | class CheckForFunctionLengthsTest(CpplintTestBase): |
||
| 4663 | |||
| 4664 | def setUp(self): |
||
| 4665 | # Reducing these thresholds for the tests speeds up tests significantly.
|
||
| 4666 | self.old_normal_trigger = cpplint._FunctionState._NORMAL_TRIGGER
|
||
| 4667 | self.old_test_trigger = cpplint._FunctionState._TEST_TRIGGER
|
||
| 4668 | |||
| 4669 | cpplint._FunctionState._NORMAL_TRIGGER = 10
|
||
| 4670 | cpplint._FunctionState._TEST_TRIGGER = 25
|
||
| 4671 | |||
| 4672 | def tearDown(self): |
||
| 4673 | cpplint._FunctionState._NORMAL_TRIGGER = self.old_normal_trigger
|
||
| 4674 | cpplint._FunctionState._TEST_TRIGGER = self.old_test_trigger
|
||
| 4675 | |||
| 4676 | def TestFunctionLengthsCheck(self, code, expected_message): |
||
| 4677 | """Check warnings for long function bodies are as expected.
|
||
| 4678 |
|
||
| 4679 | Args:
|
||
| 4680 | code: C++ source code expected to generate a warning message.
|
||
| 4681 | expected_message: Message expected to be generated by the C++ code.
|
||
| 4682 | """
|
||
| 4683 | self.assertEquals(expected_message,
|
||
| 4684 | self.PerformFunctionLengthsCheck(code))
|
||
| 4685 | |||
| 4686 | def TriggerLines(self, error_level): |
||
| 4687 | """Return number of lines needed to trigger a function length warning.
|
||
| 4688 |
|
||
| 4689 | Args:
|
||
| 4690 | error_level: --v setting for cpplint.
|
||
| 4691 |
|
||
| 4692 | Returns:
|
||
| 4693 | Number of lines needed to trigger a function length warning.
|
||
| 4694 | """
|
||
| 4695 | return cpplint._FunctionState._NORMAL_TRIGGER * 2**error_level |
||
| 4696 | |||
| 4697 | def TestLines(self, error_level): |
||
| 4698 | """Return number of lines needed to trigger a test function length warning.
|
||
| 4699 |
|
||
| 4700 | Args:
|
||
| 4701 | error_level: --v setting for cpplint.
|
||
| 4702 |
|
||
| 4703 | Returns:
|
||
| 4704 | Number of lines needed to trigger a test function length warning.
|
||
| 4705 | """
|
||
| 4706 | return cpplint._FunctionState._TEST_TRIGGER * 2**error_level |
||
| 4707 | |||
| 4708 | def TestFunctionLengthCheckDefinition(self, lines, error_level): |
||
| 4709 | """Generate long function definition and check warnings are as expected.
|
||
| 4710 |
|
||
| 4711 | Args:
|
||
| 4712 | lines: Number of lines to generate.
|
||
| 4713 | error_level: --v setting for cpplint.
|
||
| 4714 | """
|
||
| 4715 | trigger_level = self.TriggerLines(cpplint._VerboseLevel())
|
||
| 4716 | self.TestFunctionLengthsCheck(
|
||
| 4717 | 'void test(int x)' + self.FunctionBody(lines), |
||
| 4718 | ('Small and focused functions are preferred: '
|
||
| 4719 | 'test() has %d non-comment lines '
|
||
| 4720 | '(error triggered by exceeding %d lines).'
|
||
| 4721 | ' [readability/fn_size] [%d]'
|
||
| 4722 | % (lines, trigger_level, error_level))) |
||
| 4723 | |||
| 4724 | def TestFunctionLengthCheckDefinitionOK(self, lines): |
||
| 4725 | """Generate shorter function definition and check no warning is produced.
|
||
| 4726 |
|
||
| 4727 | Args:
|
||
| 4728 | lines: Number of lines to generate.
|
||
| 4729 | """
|
||
| 4730 | self.TestFunctionLengthsCheck(
|
||
| 4731 | 'void test(int x)' + self.FunctionBody(lines), |
||
| 4732 | '')
|
||
| 4733 | |||
| 4734 | def TestFunctionLengthCheckAtErrorLevel(self, error_level): |
||
| 4735 | """Generate and check function at the trigger level for --v setting.
|
||
| 4736 |
|
||
| 4737 | Args:
|
||
| 4738 | error_level: --v setting for cpplint.
|
||
| 4739 | """
|
||
| 4740 | self.TestFunctionLengthCheckDefinition(self.TriggerLines(error_level), |
||
| 4741 | error_level) |
||
| 4742 | |||
| 4743 | def TestFunctionLengthCheckBelowErrorLevel(self, error_level): |
||
| 4744 | """Generate and check function just below the trigger level for --v setting.
|
||
| 4745 |
|
||
| 4746 | Args:
|
||
| 4747 | error_level: --v setting for cpplint.
|
||
| 4748 | """
|
||
| 4749 | self.TestFunctionLengthCheckDefinition(self.TriggerLines(error_level)-1, |
||
| 4750 | error_level-1)
|
||
| 4751 | |||
| 4752 | def TestFunctionLengthCheckAboveErrorLevel(self, error_level): |
||
| 4753 | """Generate and check function just above the trigger level for --v setting.
|
||
| 4754 |
|
||
| 4755 | Args:
|
||
| 4756 | error_level: --v setting for cpplint.
|
||
| 4757 | """
|
||
| 4758 | self.TestFunctionLengthCheckDefinition(self.TriggerLines(error_level)+1, |
||
| 4759 | error_level) |
||
| 4760 | |||
| 4761 | def FunctionBody(self, number_of_lines): |
||
| 4762 | return ' {\n' + ' this_is_just_a_test();\n'*number_of_lines + '}' |
||
| 4763 | |||
| 4764 | def FunctionBodyWithBlankLines(self, number_of_lines): |
||
| 4765 | return ' {\n' + ' this_is_just_a_test();\n\n'*number_of_lines + '}' |
||
| 4766 | |||
| 4767 | def FunctionBodyWithNoLints(self, number_of_lines): |
||
| 4768 | return (' {\n' + |
||
| 4769 | ' this_is_just_a_test(); // NOLINT\n'*number_of_lines + '}') |
||
| 4770 | |||
| 4771 | # Test line length checks.
|
||
| 4772 | def testFunctionLengthCheckDeclaration(self): |
||
| 4773 | self.TestFunctionLengthsCheck(
|
||
| 4774 | 'void test();', # Not a function definition |
||
| 4775 | '')
|
||
| 4776 | |||
| 4777 | def testFunctionLengthCheckDeclarationWithBlockFollowing(self): |
||
| 4778 | self.TestFunctionLengthsCheck(
|
||
| 4779 | ('void test();\n'
|
||
| 4780 | + self.FunctionBody(66)), # Not a function definition |
||
| 4781 | '')
|
||
| 4782 | |||
| 4783 | def testFunctionLengthCheckClassDefinition(self): |
||
| 4784 | self.TestFunctionLengthsCheck( # Not a function definition |
||
| 4785 | 'class Test' + self.FunctionBody(66) + ';', |
||
| 4786 | '')
|
||
| 4787 | |||
| 4788 | def testFunctionLengthCheckTrivial(self): |
||
| 4789 | self.TestFunctionLengthsCheck(
|
||
| 4790 | 'void test() {}', # Not counted |
||
| 4791 | '')
|
||
| 4792 | |||
| 4793 | def testFunctionLengthCheckEmpty(self): |
||
| 4794 | self.TestFunctionLengthsCheck(
|
||
| 4795 | 'void test() {\n}',
|
||
| 4796 | '')
|
||
| 4797 | |||
| 4798 | def testFunctionLengthCheckDefinitionBelowSeverity0(self): |
||
| 4799 | old_verbosity = cpplint._SetVerboseLevel(0)
|
||
| 4800 | self.TestFunctionLengthCheckDefinitionOK(self.TriggerLines(0)-1) |
||
| 4801 | cpplint._SetVerboseLevel(old_verbosity) |
||
| 4802 | |||
| 4803 | def testFunctionLengthCheckDefinitionAtSeverity0(self): |
||
| 4804 | old_verbosity = cpplint._SetVerboseLevel(0)
|
||
| 4805 | self.TestFunctionLengthCheckDefinitionOK(self.TriggerLines(0)) |
||
| 4806 | cpplint._SetVerboseLevel(old_verbosity) |
||
| 4807 | |||
| 4808 | def testFunctionLengthCheckDefinitionAboveSeverity0(self): |
||
| 4809 | old_verbosity = cpplint._SetVerboseLevel(0)
|
||
| 4810 | self.TestFunctionLengthCheckAboveErrorLevel(0) |
||
| 4811 | cpplint._SetVerboseLevel(old_verbosity) |
||
| 4812 | |||
| 4813 | def testFunctionLengthCheckDefinitionBelowSeverity1v0(self): |
||
| 4814 | old_verbosity = cpplint._SetVerboseLevel(0)
|
||
| 4815 | self.TestFunctionLengthCheckBelowErrorLevel(1) |
||
| 4816 | cpplint._SetVerboseLevel(old_verbosity) |
||
| 4817 | |||
| 4818 | def testFunctionLengthCheckDefinitionAtSeverity1v0(self): |
||
| 4819 | old_verbosity = cpplint._SetVerboseLevel(0)
|
||
| 4820 | self.TestFunctionLengthCheckAtErrorLevel(1) |
||
| 4821 | cpplint._SetVerboseLevel(old_verbosity) |
||
| 4822 | |||
| 4823 | def testFunctionLengthCheckDefinitionBelowSeverity1(self): |
||
| 4824 | self.TestFunctionLengthCheckDefinitionOK(self.TriggerLines(1)-1) |
||
| 4825 | |||
| 4826 | def testFunctionLengthCheckDefinitionAtSeverity1(self): |
||
| 4827 | self.TestFunctionLengthCheckDefinitionOK(self.TriggerLines(1)) |
||
| 4828 | |||
| 4829 | def testFunctionLengthCheckDefinitionAboveSeverity1(self): |
||
| 4830 | self.TestFunctionLengthCheckAboveErrorLevel(1) |
||
| 4831 | |||
| 4832 | def testFunctionLengthCheckDefinitionSeverity1PlusBlanks(self): |
||
| 4833 | error_level = 1
|
||
| 4834 | error_lines = self.TriggerLines(error_level) + 1 |
||
| 4835 | trigger_level = self.TriggerLines(cpplint._VerboseLevel())
|
||
| 4836 | self.TestFunctionLengthsCheck(
|
||
| 4837 | 'void test_blanks(int x)' + self.FunctionBody(error_lines), |
||
| 4838 | ('Small and focused functions are preferred: '
|
||
| 4839 | 'test_blanks() has %d non-comment lines '
|
||
| 4840 | '(error triggered by exceeding %d lines).'
|
||
| 4841 | ' [readability/fn_size] [%d]')
|
||
| 4842 | % (error_lines, trigger_level, error_level)) |
||
| 4843 | |||
| 4844 | def testFunctionLengthCheckComplexDefinitionSeverity1(self): |
||
| 4845 | error_level = 1
|
||
| 4846 | error_lines = self.TriggerLines(error_level) + 1 |
||
| 4847 | trigger_level = self.TriggerLines(cpplint._VerboseLevel())
|
||
| 4848 | self.TestFunctionLengthsCheck(
|
||
| 4849 | ('my_namespace::my_other_namespace::MyVeryLongTypeName*\n'
|
||
| 4850 | 'my_namespace::my_other_namespace::MyFunction(int arg1, char* arg2)'
|
||
| 4851 | + self.FunctionBody(error_lines)),
|
||
| 4852 | ('Small and focused functions are preferred: '
|
||
| 4853 | 'my_namespace::my_other_namespace::MyFunction()'
|
||
| 4854 | ' has %d non-comment lines '
|
||
| 4855 | '(error triggered by exceeding %d lines).'
|
||
| 4856 | ' [readability/fn_size] [%d]')
|
||
| 4857 | % (error_lines, trigger_level, error_level)) |
||
| 4858 | |||
| 4859 | def testFunctionLengthCheckDefinitionSeverity1ForTest(self): |
||
| 4860 | error_level = 1
|
||
| 4861 | error_lines = self.TestLines(error_level) + 1 |
||
| 4862 | trigger_level = self.TestLines(cpplint._VerboseLevel())
|
||
| 4863 | self.TestFunctionLengthsCheck(
|
||
| 4864 | 'TEST_F(Test, Mutator)' + self.FunctionBody(error_lines), |
||
| 4865 | ('Small and focused functions are preferred: '
|
||
| 4866 | 'TEST_F(Test, Mutator) has %d non-comment lines '
|
||
| 4867 | '(error triggered by exceeding %d lines).'
|
||
| 4868 | ' [readability/fn_size] [%d]')
|
||
| 4869 | % (error_lines, trigger_level, error_level)) |
||
| 4870 | |||
| 4871 | def testFunctionLengthCheckDefinitionSeverity1ForSplitLineTest(self): |
||
| 4872 | error_level = 1
|
||
| 4873 | error_lines = self.TestLines(error_level) + 1 |
||
| 4874 | trigger_level = self.TestLines(cpplint._VerboseLevel())
|
||
| 4875 | self.TestFunctionLengthsCheck(
|
||
| 4876 | ('TEST_F(GoogleUpdateRecoveryRegistryProtectedTest,\n'
|
||
| 4877 | ' FixGoogleUpdate_AllValues_MachineApp)' # note: 4 spaces |
||
| 4878 | + self.FunctionBody(error_lines)),
|
||
| 4879 | ('Small and focused functions are preferred: '
|
||
| 4880 | 'TEST_F(GoogleUpdateRecoveryRegistryProtectedTest, ' # 1 space |
||
| 4881 | 'FixGoogleUpdate_AllValues_MachineApp) has %d non-comment lines '
|
||
| 4882 | '(error triggered by exceeding %d lines).'
|
||
| 4883 | ' [readability/fn_size] [%d]')
|
||
| 4884 | % (error_lines+1, trigger_level, error_level))
|
||
| 4885 | |||
| 4886 | def testFunctionLengthCheckDefinitionSeverity1ForBadTestDoesntBreak(self): |
||
| 4887 | error_level = 1
|
||
| 4888 | error_lines = self.TestLines(error_level) + 1 |
||
| 4889 | trigger_level = self.TestLines(cpplint._VerboseLevel())
|
||
| 4890 | self.TestFunctionLengthsCheck(
|
||
| 4891 | ('TEST_F('
|
||
| 4892 | + self.FunctionBody(error_lines)),
|
||
| 4893 | ('Small and focused functions are preferred: '
|
||
| 4894 | 'TEST_F has %d non-comment lines '
|
||
| 4895 | '(error triggered by exceeding %d lines).'
|
||
| 4896 | ' [readability/fn_size] [%d]')
|
||
| 4897 | % (error_lines, trigger_level, error_level)) |
||
| 4898 | |||
| 4899 | def testFunctionLengthCheckDefinitionSeverity1WithEmbeddedNoLints(self): |
||
| 4900 | error_level = 1
|
||
| 4901 | error_lines = self.TriggerLines(error_level)+1 |
||
| 4902 | trigger_level = self.TriggerLines(cpplint._VerboseLevel())
|
||
| 4903 | self.TestFunctionLengthsCheck(
|
||
| 4904 | 'void test(int x)' + self.FunctionBodyWithNoLints(error_lines), |
||
| 4905 | ('Small and focused functions are preferred: '
|
||
| 4906 | 'test() has %d non-comment lines '
|
||
| 4907 | '(error triggered by exceeding %d lines).'
|
||
| 4908 | ' [readability/fn_size] [%d]')
|
||
| 4909 | % (error_lines, trigger_level, error_level)) |
||
| 4910 | |||
| 4911 | def testFunctionLengthCheckDefinitionSeverity1WithNoLint(self): |
||
| 4912 | self.TestFunctionLengthsCheck(
|
||
| 4913 | ('void test(int x)' + self.FunctionBody(self.TriggerLines(1)) |
||
| 4914 | + ' // NOLINT -- long function'),
|
||
| 4915 | '')
|
||
| 4916 | |||
| 4917 | def testFunctionLengthCheckDefinitionBelowSeverity2(self): |
||
| 4918 | self.TestFunctionLengthCheckBelowErrorLevel(2) |
||
| 4919 | |||
| 4920 | def testFunctionLengthCheckDefinitionSeverity2(self): |
||
| 4921 | self.TestFunctionLengthCheckAtErrorLevel(2) |
||
| 4922 | |||
| 4923 | def testFunctionLengthCheckDefinitionAboveSeverity2(self): |
||
| 4924 | self.TestFunctionLengthCheckAboveErrorLevel(2) |
||
| 4925 | |||
| 4926 | def testFunctionLengthCheckDefinitionBelowSeverity3(self): |
||
| 4927 | self.TestFunctionLengthCheckBelowErrorLevel(3) |
||
| 4928 | |||
| 4929 | def testFunctionLengthCheckDefinitionSeverity3(self): |
||
| 4930 | self.TestFunctionLengthCheckAtErrorLevel(3) |
||
| 4931 | |||
| 4932 | def testFunctionLengthCheckDefinitionAboveSeverity3(self): |
||
| 4933 | self.TestFunctionLengthCheckAboveErrorLevel(3) |
||
| 4934 | |||
| 4935 | def testFunctionLengthCheckDefinitionBelowSeverity4(self): |
||
| 4936 | self.TestFunctionLengthCheckBelowErrorLevel(4) |
||
| 4937 | |||
| 4938 | def testFunctionLengthCheckDefinitionSeverity4(self): |
||
| 4939 | self.TestFunctionLengthCheckAtErrorLevel(4) |
||
| 4940 | |||
| 4941 | def testFunctionLengthCheckDefinitionAboveSeverity4(self): |
||
| 4942 | self.TestFunctionLengthCheckAboveErrorLevel(4) |
||
| 4943 | |||
| 4944 | def testFunctionLengthCheckDefinitionBelowSeverity5(self): |
||
| 4945 | self.TestFunctionLengthCheckBelowErrorLevel(5) |
||
| 4946 | |||
| 4947 | def testFunctionLengthCheckDefinitionAtSeverity5(self): |
||
| 4948 | self.TestFunctionLengthCheckAtErrorLevel(5) |
||
| 4949 | |||
| 4950 | def testFunctionLengthCheckDefinitionAboveSeverity5(self): |
||
| 4951 | self.TestFunctionLengthCheckAboveErrorLevel(5) |
||
| 4952 | |||
| 4953 | def testFunctionLengthCheckDefinitionHugeLines(self): |
||
| 4954 | # 5 is the limit
|
||
| 4955 | self.TestFunctionLengthCheckDefinition(self.TriggerLines(10), 5) |
||
| 4956 | |||
| 4957 | def testFunctionLengthNotDeterminable(self): |
||
| 4958 | # Macro invocation without terminating semicolon.
|
||
| 4959 | self.TestFunctionLengthsCheck(
|
||
| 4960 | 'MACRO(arg)',
|
||
| 4961 | '')
|
||
| 4962 | |||
| 4963 | # Macro with underscores
|
||
| 4964 | self.TestFunctionLengthsCheck(
|
||
| 4965 | 'MACRO_WITH_UNDERSCORES(arg1, arg2, arg3)',
|
||
| 4966 | '')
|
||
| 4967 | |||
| 4968 | self.TestFunctionLengthsCheck(
|
||
| 4969 | 'NonMacro(arg)',
|
||
| 4970 | 'Lint failed to find start of function body.'
|
||
| 4971 | ' [readability/fn_size] [5]')
|
||
| 4972 | |||
| 4973 | |||
| 4974 | def TrimExtraIndent(text_block): |
||
| 4975 | """Trim a uniform amount of whitespace off of each line in a string.
|
||
| 4976 |
|
||
| 4977 | Compute the minimum indent on all non blank lines and trim that from each, so
|
||
| 4978 | that the block of text has no extra indentation.
|
||
| 4979 |
|
||
| 4980 | Args:
|
||
| 4981 | text_block: a multiline string
|
||
| 4982 |
|
||
| 4983 | Returns:
|
||
| 4984 | text_block with the common whitespace indent of each line removed.
|
||
| 4985 | """
|
||
| 4986 | |||
| 4987 | def CountLeadingWhitespace(s): |
||
| 4988 | count = 0
|
||
| 4989 | for c in s: |
||
| 4990 | if not c.isspace(): |
||
| 4991 | break
|
||
| 4992 | count += 1
|
||
| 4993 | return count
|
||
| 4994 | # find the minimum indent (except for blank lines)
|
||
| 4995 | min_indent = min([CountLeadingWhitespace(line)
|
||
| 4996 | for line in text_block.split('\n') if line]) |
||
| 4997 | return '\n'.join([line[min_indent:] for line in text_block.split('\n')]) |
||
| 4998 | |||
| 4999 | |||
| 5000 | class CloseExpressionTest(unittest.TestCase): |
||
| 5001 | |||
| 5002 | def setUp(self): |
||
| 5003 | self.lines = cpplint.CleansedLines(
|
||
| 5004 | # 1 2 3 4 5
|
||
| 5005 | # 0123456789012345678901234567890123456789012345678901234567890
|
||
| 5006 | ['// Line 0',
|
||
| 5007 | 'inline RCULocked<X>::ReadPtr::ReadPtr(const RCULocked* rcu) {',
|
||
| 5008 | ' DCHECK(!(data & kFlagMask)) << "Error";',
|
||
| 5009 | '}',
|
||
| 5010 | '// Line 4',
|
||
| 5011 | 'RCULocked<X>::WritePtr::WritePtr(RCULocked* rcu)',
|
||
| 5012 | ' : lock_(&rcu_->mutex_) {',
|
||
| 5013 | '}',
|
||
| 5014 | '// Line 8',
|
||
| 5015 | 'template <typename T, typename... A>',
|
||
| 5016 | 'typename std::enable_if<',
|
||
| 5017 | ' std::is_array<T>::value && (std::extent<T>::value > 0)>::type',
|
||
| 5018 | 'MakeUnique(A&&... a) = delete;',
|
||
| 5019 | '// Line 13',
|
||
| 5020 | 'auto x = []() {};',
|
||
| 5021 | '// Line 15',
|
||
| 5022 | 'template <typename U>',
|
||
| 5023 | 'friend bool operator==(const reffed_ptr& a,',
|
||
| 5024 | ' const reffed_ptr<U>& b) {',
|
||
| 5025 | ' return a.get() == b.get();',
|
||
| 5026 | '}',
|
||
| 5027 | '// Line 21'])
|
||
| 5028 | |||
| 5029 | def testCloseExpression(self): |
||
| 5030 | # List of positions to test:
|
||
| 5031 | # (start line, start position, end line, end position + 1)
|
||
| 5032 | positions = [(1, 16, 1, 19), |
||
| 5033 | (1, 37, 1, 59), |
||
| 5034 | (1, 60, 3, 1), |
||
| 5035 | (2, 8, 2, 29), |
||
| 5036 | (2, 30, 22, -1), # Left shift operator |
||
| 5037 | (9, 9, 9, 36), |
||
| 5038 | (10, 23, 11, 59), |
||
| 5039 | (11, 54, 22, -1), # Greater than operator |
||
| 5040 | (14, 9, 14, 11), |
||
| 5041 | (14, 11, 14, 13), |
||
| 5042 | (14, 14, 14, 16), |
||
| 5043 | (17, 22, 18, 46), |
||
| 5044 | (18, 47, 20, 1)] |
||
| 5045 | for p in positions: |
||
| 5046 | (_, line, column) = cpplint.CloseExpression(self.lines, p[0], p[1]) |
||
| 5047 | self.assertEquals((p[2], p[3]), (line, column)) |
||
| 5048 | |||
| 5049 | def testReverseCloseExpression(self): |
||
| 5050 | # List of positions to test:
|
||
| 5051 | # (end line, end position, start line, start position)
|
||
| 5052 | positions = [(1, 18, 1, 16), |
||
| 5053 | (1, 58, 1, 37), |
||
| 5054 | (2, 27, 2, 10), |
||
| 5055 | (2, 28, 2, 8), |
||
| 5056 | (6, 18, 0, -1), # -> operator |
||
| 5057 | (9, 35, 9, 9), |
||
| 5058 | (11, 54, 0, -1), # Greater than operator |
||
| 5059 | (11, 57, 11, 31), |
||
| 5060 | (14, 10, 14, 9), |
||
| 5061 | (14, 12, 14, 11), |
||
| 5062 | (14, 15, 14, 14), |
||
| 5063 | (18, 45, 17, 22), |
||
| 5064 | (20, 0, 18, 47)] |
||
| 5065 | for p in positions: |
||
| 5066 | (_, line, column) = cpplint.ReverseCloseExpression(self.lines, p[0], p[1]) |
||
| 5067 | self.assertEquals((p[2], p[3]), (line, column)) |
||
| 5068 | |||
| 5069 | |||
| 5070 | class NestingStateTest(unittest.TestCase): |
||
| 5071 | |||
| 5072 | def setUp(self): |
||
| 5073 | self.nesting_state = cpplint.NestingState()
|
||
| 5074 | self.error_collector = ErrorCollector(self.assert_) |
||
| 5075 | |||
| 5076 | def UpdateWithLines(self, lines): |
||
| 5077 | clean_lines = cpplint.CleansedLines(lines) |
||
| 5078 | for line in xrange(clean_lines.NumLines()): |
||
| 5079 | self.nesting_state.Update('test.cc', |
||
| 5080 | clean_lines, line, self.error_collector)
|
||
| 5081 | |||
| 5082 | def testEmpty(self): |
||
| 5083 | self.UpdateWithLines([])
|
||
| 5084 | self.assertEquals(self.nesting_state.stack, []) |
||
| 5085 | |||
| 5086 | def testNamespace(self): |
||
| 5087 | self.UpdateWithLines(['namespace {']) |
||
| 5088 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5089 | self.assertTrue(isinstance(self.nesting_state.stack[0], |
||
| 5090 | cpplint._NamespaceInfo)) |
||
| 5091 | self.assertTrue(self.nesting_state.stack[0].seen_open_brace) |
||
| 5092 | self.assertEquals(self.nesting_state.stack[0].name, '') |
||
| 5093 | |||
| 5094 | self.UpdateWithLines(['namespace outer { namespace inner']) |
||
| 5095 | self.assertEquals(len(self.nesting_state.stack), 3) |
||
| 5096 | self.assertTrue(self.nesting_state.stack[0].seen_open_brace) |
||
| 5097 | self.assertTrue(self.nesting_state.stack[1].seen_open_brace) |
||
| 5098 | self.assertFalse(self.nesting_state.stack[2].seen_open_brace) |
||
| 5099 | self.assertEquals(self.nesting_state.stack[0].name, '') |
||
| 5100 | self.assertEquals(self.nesting_state.stack[1].name, 'outer') |
||
| 5101 | self.assertEquals(self.nesting_state.stack[2].name, 'inner') |
||
| 5102 | |||
| 5103 | self.UpdateWithLines(['{']) |
||
| 5104 | self.assertTrue(self.nesting_state.stack[2].seen_open_brace) |
||
| 5105 | |||
| 5106 | self.UpdateWithLines(['}', '}}']) |
||
| 5107 | self.assertEquals(len(self.nesting_state.stack), 0) |
||
| 5108 | |||
| 5109 | def testClass(self): |
||
| 5110 | self.UpdateWithLines(['class A {']) |
||
| 5111 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5112 | self.assertTrue(isinstance(self.nesting_state.stack[0], cpplint._ClassInfo)) |
||
| 5113 | self.assertEquals(self.nesting_state.stack[0].name, 'A') |
||
| 5114 | self.assertFalse(self.nesting_state.stack[0].is_derived) |
||
| 5115 | self.assertEquals(self.nesting_state.stack[0].class_indent, 0) |
||
| 5116 | |||
| 5117 | self.UpdateWithLines(['};', |
||
| 5118 | 'struct B : public A {'])
|
||
| 5119 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5120 | self.assertTrue(isinstance(self.nesting_state.stack[0], cpplint._ClassInfo)) |
||
| 5121 | self.assertEquals(self.nesting_state.stack[0].name, 'B') |
||
| 5122 | self.assertTrue(self.nesting_state.stack[0].is_derived) |
||
| 5123 | |||
| 5124 | self.UpdateWithLines(['};', |
||
| 5125 | 'class C',
|
||
| 5126 | ': public A {'])
|
||
| 5127 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5128 | self.assertTrue(isinstance(self.nesting_state.stack[0], cpplint._ClassInfo)) |
||
| 5129 | self.assertEquals(self.nesting_state.stack[0].name, 'C') |
||
| 5130 | self.assertTrue(self.nesting_state.stack[0].is_derived) |
||
| 5131 | |||
| 5132 | self.UpdateWithLines(['};', |
||
| 5133 | 'template<T>'])
|
||
| 5134 | self.assertEquals(len(self.nesting_state.stack), 0) |
||
| 5135 | |||
| 5136 | self.UpdateWithLines(['class D {', ' class E {']) |
||
| 5137 | self.assertEquals(len(self.nesting_state.stack), 2) |
||
| 5138 | self.assertTrue(isinstance(self.nesting_state.stack[0], cpplint._ClassInfo)) |
||
| 5139 | self.assertEquals(self.nesting_state.stack[0].name, 'D') |
||
| 5140 | self.assertFalse(self.nesting_state.stack[0].is_derived) |
||
| 5141 | self.assertTrue(isinstance(self.nesting_state.stack[1], cpplint._ClassInfo)) |
||
| 5142 | self.assertEquals(self.nesting_state.stack[1].name, 'E') |
||
| 5143 | self.assertFalse(self.nesting_state.stack[1].is_derived) |
||
| 5144 | self.assertEquals(self.nesting_state.stack[1].class_indent, 2) |
||
| 5145 | self.assertEquals(self.nesting_state.InnermostClass().name, 'E') |
||
| 5146 | |||
| 5147 | self.UpdateWithLines(['}', '}']) |
||
| 5148 | self.assertEquals(len(self.nesting_state.stack), 0) |
||
| 5149 | |||
| 5150 | def testClassAccess(self): |
||
| 5151 | self.UpdateWithLines(['class A {']) |
||
| 5152 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5153 | self.assertTrue(isinstance(self.nesting_state.stack[0], cpplint._ClassInfo)) |
||
| 5154 | self.assertEquals(self.nesting_state.stack[0].access, 'private') |
||
| 5155 | |||
| 5156 | self.UpdateWithLines([' public:']) |
||
| 5157 | self.assertEquals(self.nesting_state.stack[0].access, 'public') |
||
| 5158 | self.UpdateWithLines([' protracted:']) |
||
| 5159 | self.assertEquals(self.nesting_state.stack[0].access, 'public') |
||
| 5160 | self.UpdateWithLines([' protected:']) |
||
| 5161 | self.assertEquals(self.nesting_state.stack[0].access, 'protected') |
||
| 5162 | self.UpdateWithLines([' private:']) |
||
| 5163 | self.assertEquals(self.nesting_state.stack[0].access, 'private') |
||
| 5164 | |||
| 5165 | self.UpdateWithLines([' struct B {']) |
||
| 5166 | self.assertEquals(len(self.nesting_state.stack), 2) |
||
| 5167 | self.assertTrue(isinstance(self.nesting_state.stack[1], cpplint._ClassInfo)) |
||
| 5168 | self.assertEquals(self.nesting_state.stack[1].access, 'public') |
||
| 5169 | self.assertEquals(self.nesting_state.stack[0].access, 'private') |
||
| 5170 | |||
| 5171 | self.UpdateWithLines([' protected :']) |
||
| 5172 | self.assertEquals(self.nesting_state.stack[1].access, 'protected') |
||
| 5173 | self.assertEquals(self.nesting_state.stack[0].access, 'private') |
||
| 5174 | |||
| 5175 | self.UpdateWithLines([' }', '}']) |
||
| 5176 | self.assertEquals(len(self.nesting_state.stack), 0) |
||
| 5177 | |||
| 5178 | def testStruct(self): |
||
| 5179 | self.UpdateWithLines(['struct A {']) |
||
| 5180 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5181 | self.assertTrue(isinstance(self.nesting_state.stack[0], cpplint._ClassInfo)) |
||
| 5182 | self.assertEquals(self.nesting_state.stack[0].name, 'A') |
||
| 5183 | self.assertFalse(self.nesting_state.stack[0].is_derived) |
||
| 5184 | |||
| 5185 | self.UpdateWithLines(['}', |
||
| 5186 | 'void Func(struct B arg) {'])
|
||
| 5187 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5188 | self.assertFalse(isinstance(self.nesting_state.stack[0], |
||
| 5189 | cpplint._ClassInfo)) |
||
| 5190 | |||
| 5191 | self.UpdateWithLines(['}']) |
||
| 5192 | self.assertEquals(len(self.nesting_state.stack), 0) |
||
| 5193 | |||
| 5194 | def testPreprocessor(self): |
||
| 5195 | self.assertEquals(len(self.nesting_state.pp_stack), 0) |
||
| 5196 | self.UpdateWithLines(['#if MACRO1']) |
||
| 5197 | self.assertEquals(len(self.nesting_state.pp_stack), 1) |
||
| 5198 | self.UpdateWithLines(['#endif']) |
||
| 5199 | self.assertEquals(len(self.nesting_state.pp_stack), 0) |
||
| 5200 | |||
| 5201 | self.UpdateWithLines(['#ifdef MACRO2']) |
||
| 5202 | self.assertEquals(len(self.nesting_state.pp_stack), 1) |
||
| 5203 | self.UpdateWithLines(['#else']) |
||
| 5204 | self.assertEquals(len(self.nesting_state.pp_stack), 1) |
||
| 5205 | self.UpdateWithLines(['#ifdef MACRO3']) |
||
| 5206 | self.assertEquals(len(self.nesting_state.pp_stack), 2) |
||
| 5207 | self.UpdateWithLines(['#elif MACRO4']) |
||
| 5208 | self.assertEquals(len(self.nesting_state.pp_stack), 2) |
||
| 5209 | self.UpdateWithLines(['#endif']) |
||
| 5210 | self.assertEquals(len(self.nesting_state.pp_stack), 1) |
||
| 5211 | self.UpdateWithLines(['#endif']) |
||
| 5212 | self.assertEquals(len(self.nesting_state.pp_stack), 0) |
||
| 5213 | |||
| 5214 | self.UpdateWithLines(['#ifdef MACRO5', |
||
| 5215 | 'class A {',
|
||
| 5216 | '#elif MACRO6',
|
||
| 5217 | 'class B {',
|
||
| 5218 | '#else',
|
||
| 5219 | 'class C {',
|
||
| 5220 | '#endif'])
|
||
| 5221 | self.assertEquals(len(self.nesting_state.pp_stack), 0) |
||
| 5222 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5223 | self.assertTrue(isinstance(self.nesting_state.stack[0], cpplint._ClassInfo)) |
||
| 5224 | self.assertEquals(self.nesting_state.stack[0].name, 'A') |
||
| 5225 | self.UpdateWithLines(['};']) |
||
| 5226 | self.assertEquals(len(self.nesting_state.stack), 0) |
||
| 5227 | |||
| 5228 | self.UpdateWithLines(['class D', |
||
| 5229 | '#ifdef MACRO7'])
|
||
| 5230 | self.assertEquals(len(self.nesting_state.pp_stack), 1) |
||
| 5231 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5232 | self.assertTrue(isinstance(self.nesting_state.stack[0], cpplint._ClassInfo)) |
||
| 5233 | self.assertEquals(self.nesting_state.stack[0].name, 'D') |
||
| 5234 | self.assertFalse(self.nesting_state.stack[0].is_derived) |
||
| 5235 | |||
| 5236 | self.UpdateWithLines(['#elif MACRO8', |
||
| 5237 | ': public E'])
|
||
| 5238 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5239 | self.assertEquals(self.nesting_state.stack[0].name, 'D') |
||
| 5240 | self.assertTrue(self.nesting_state.stack[0].is_derived) |
||
| 5241 | self.assertFalse(self.nesting_state.stack[0].seen_open_brace) |
||
| 5242 | |||
| 5243 | self.UpdateWithLines(['#else', |
||
| 5244 | '{'])
|
||
| 5245 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5246 | self.assertEquals(self.nesting_state.stack[0].name, 'D') |
||
| 5247 | self.assertFalse(self.nesting_state.stack[0].is_derived) |
||
| 5248 | self.assertTrue(self.nesting_state.stack[0].seen_open_brace) |
||
| 5249 | |||
| 5250 | self.UpdateWithLines(['#endif']) |
||
| 5251 | self.assertEquals(len(self.nesting_state.pp_stack), 0) |
||
| 5252 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5253 | self.assertEquals(self.nesting_state.stack[0].name, 'D') |
||
| 5254 | self.assertFalse(self.nesting_state.stack[0].is_derived) |
||
| 5255 | self.assertFalse(self.nesting_state.stack[0].seen_open_brace) |
||
| 5256 | |||
| 5257 | self.UpdateWithLines([';']) |
||
| 5258 | self.assertEquals(len(self.nesting_state.stack), 0) |
||
| 5259 | |||
| 5260 | def testTemplate(self): |
||
| 5261 | self.UpdateWithLines(['template <T,', |
||
| 5262 | ' class Arg1 = tmpl<T> >'])
|
||
| 5263 | self.assertEquals(len(self.nesting_state.stack), 0) |
||
| 5264 | self.UpdateWithLines(['class A {']) |
||
| 5265 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5266 | self.assertTrue(isinstance(self.nesting_state.stack[0], cpplint._ClassInfo)) |
||
| 5267 | self.assertEquals(self.nesting_state.stack[0].name, 'A') |
||
| 5268 | |||
| 5269 | self.UpdateWithLines(['};', |
||
| 5270 | 'template <T,',
|
||
| 5271 | ' template <typename, typename> class B>',
|
||
| 5272 | 'class C'])
|
||
| 5273 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5274 | self.assertTrue(isinstance(self.nesting_state.stack[0], cpplint._ClassInfo)) |
||
| 5275 | self.assertEquals(self.nesting_state.stack[0].name, 'C') |
||
| 5276 | self.UpdateWithLines([';']) |
||
| 5277 | self.assertEquals(len(self.nesting_state.stack), 0) |
||
| 5278 | |||
| 5279 | self.UpdateWithLines(['class D : public Tmpl<E>']) |
||
| 5280 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5281 | self.assertTrue(isinstance(self.nesting_state.stack[0], cpplint._ClassInfo)) |
||
| 5282 | self.assertEquals(self.nesting_state.stack[0].name, 'D') |
||
| 5283 | |||
| 5284 | self.UpdateWithLines(['{', '};']) |
||
| 5285 | self.assertEquals(len(self.nesting_state.stack), 0) |
||
| 5286 | |||
| 5287 | self.UpdateWithLines(['template <class F,', |
||
| 5288 | ' class G,',
|
||
| 5289 | ' class H,',
|
||
| 5290 | ' typename I>',
|
||
| 5291 | 'static void Func() {'])
|
||
| 5292 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5293 | self.assertFalse(isinstance(self.nesting_state.stack[0], |
||
| 5294 | cpplint._ClassInfo)) |
||
| 5295 | self.UpdateWithLines(['}', |
||
| 5296 | 'template <class J> class K {'])
|
||
| 5297 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5298 | self.assertTrue(isinstance(self.nesting_state.stack[0], cpplint._ClassInfo)) |
||
| 5299 | self.assertEquals(self.nesting_state.stack[0].name, 'K') |
||
| 5300 | |||
| 5301 | def testTemplateInnerClass(self): |
||
| 5302 | self.UpdateWithLines(['class A {', |
||
| 5303 | ' public:'])
|
||
| 5304 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5305 | self.assertTrue(isinstance(self.nesting_state.stack[0], cpplint._ClassInfo)) |
||
| 5306 | |||
| 5307 | self.UpdateWithLines([' template <class B>', |
||
| 5308 | ' class C<alloc<B> >',
|
||
| 5309 | ' : public A {'])
|
||
| 5310 | self.assertEquals(len(self.nesting_state.stack), 2) |
||
| 5311 | self.assertTrue(isinstance(self.nesting_state.stack[1], cpplint._ClassInfo)) |
||
| 5312 | |||
| 5313 | def testArguments(self): |
||
| 5314 | self.UpdateWithLines(['class A {']) |
||
| 5315 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5316 | self.assertTrue(isinstance(self.nesting_state.stack[0], cpplint._ClassInfo)) |
||
| 5317 | self.assertEquals(self.nesting_state.stack[0].name, 'A') |
||
| 5318 | self.assertEquals(self.nesting_state.stack[-1].open_parentheses, 0) |
||
| 5319 | |||
| 5320 | self.UpdateWithLines([' void Func(', |
||
| 5321 | ' struct X arg1,'])
|
||
| 5322 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5323 | self.assertEquals(self.nesting_state.stack[-1].open_parentheses, 1) |
||
| 5324 | self.UpdateWithLines([' struct X *arg2);']) |
||
| 5325 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5326 | self.assertEquals(self.nesting_state.stack[-1].open_parentheses, 0) |
||
| 5327 | |||
| 5328 | self.UpdateWithLines(['};']) |
||
| 5329 | self.assertEquals(len(self.nesting_state.stack), 0) |
||
| 5330 | |||
| 5331 | self.UpdateWithLines(['struct B {']) |
||
| 5332 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5333 | self.assertTrue(isinstance(self.nesting_state.stack[0], cpplint._ClassInfo)) |
||
| 5334 | self.assertEquals(self.nesting_state.stack[0].name, 'B') |
||
| 5335 | |||
| 5336 | self.UpdateWithLines(['#ifdef MACRO', |
||
| 5337 | ' void Func(',
|
||
| 5338 | ' struct X arg1'])
|
||
| 5339 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5340 | self.assertEquals(self.nesting_state.stack[-1].open_parentheses, 1) |
||
| 5341 | self.UpdateWithLines(['#else']) |
||
| 5342 | |||
| 5343 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5344 | self.assertEquals(self.nesting_state.stack[-1].open_parentheses, 0) |
||
| 5345 | self.UpdateWithLines([' void Func(', |
||
| 5346 | ' struct X arg1'])
|
||
| 5347 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5348 | self.assertEquals(self.nesting_state.stack[-1].open_parentheses, 1) |
||
| 5349 | |||
| 5350 | self.UpdateWithLines(['#endif']) |
||
| 5351 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5352 | self.assertEquals(self.nesting_state.stack[-1].open_parentheses, 1) |
||
| 5353 | self.UpdateWithLines([' struct X *arg2);']) |
||
| 5354 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5355 | self.assertEquals(self.nesting_state.stack[-1].open_parentheses, 0) |
||
| 5356 | |||
| 5357 | self.UpdateWithLines(['};']) |
||
| 5358 | self.assertEquals(len(self.nesting_state.stack), 0) |
||
| 5359 | |||
| 5360 | def testInlineAssembly(self): |
||
| 5361 | self.UpdateWithLines(['void CopyRow_SSE2(const uint8* src, uint8* dst,', |
||
| 5362 | ' int count) {'])
|
||
| 5363 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5364 | self.assertEquals(self.nesting_state.stack[-1].open_parentheses, 0) |
||
| 5365 | self.assertEquals(self.nesting_state.stack[-1].inline_asm, cpplint._NO_ASM) |
||
| 5366 | |||
| 5367 | self.UpdateWithLines([' asm volatile (']) |
||
| 5368 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5369 | self.assertEquals(self.nesting_state.stack[-1].open_parentheses, 1) |
||
| 5370 | self.assertEquals(self.nesting_state.stack[-1].inline_asm, |
||
| 5371 | cpplint._INSIDE_ASM) |
||
| 5372 | |||
| 5373 | self.UpdateWithLines([' "sub %0,%1 \\n"', |
||
| 5374 | ' "1: \\n"',
|
||
| 5375 | ' "movdqa (%0),%%xmm0 \\n"',
|
||
| 5376 | ' "movdqa 0x10(%0),%%xmm1 \\n"',
|
||
| 5377 | ' "movdqa %%xmm0,(%0,%1) \\n"',
|
||
| 5378 | ' "movdqa %%xmm1,0x10(%0,%1) \\n"',
|
||
| 5379 | ' "lea 0x20(%0),%0 \\n"',
|
||
| 5380 | ' "sub $0x20,%2 \\n"',
|
||
| 5381 | ' "jg 1b \\n"',
|
||
| 5382 | ' : "+r"(src), // %0',
|
||
| 5383 | ' "+r"(dst), // %1',
|
||
| 5384 | ' "+r"(count) // %2',
|
||
| 5385 | ' :',
|
||
| 5386 | ' : "memory", "cc"'])
|
||
| 5387 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5388 | self.assertEquals(self.nesting_state.stack[-1].open_parentheses, 1) |
||
| 5389 | self.assertEquals(self.nesting_state.stack[-1].inline_asm, |
||
| 5390 | cpplint._INSIDE_ASM) |
||
| 5391 | |||
| 5392 | self.UpdateWithLines(['#if defined(__SSE2__)', |
||
| 5393 | ' , "xmm0", "xmm1"'])
|
||
| 5394 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5395 | self.assertEquals(self.nesting_state.stack[-1].open_parentheses, 1) |
||
| 5396 | self.assertEquals(self.nesting_state.stack[-1].inline_asm, |
||
| 5397 | cpplint._INSIDE_ASM) |
||
| 5398 | |||
| 5399 | self.UpdateWithLines(['#endif']) |
||
| 5400 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5401 | self.assertEquals(self.nesting_state.stack[-1].open_parentheses, 1) |
||
| 5402 | self.assertEquals(self.nesting_state.stack[-1].inline_asm, |
||
| 5403 | cpplint._INSIDE_ASM) |
||
| 5404 | |||
| 5405 | self.UpdateWithLines([' );']) |
||
| 5406 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5407 | self.assertEquals(self.nesting_state.stack[-1].open_parentheses, 0) |
||
| 5408 | self.assertEquals(self.nesting_state.stack[-1].inline_asm, cpplint._END_ASM) |
||
| 5409 | |||
| 5410 | self.UpdateWithLines(['__asm {']) |
||
| 5411 | self.assertEquals(len(self.nesting_state.stack), 2) |
||
| 5412 | self.assertEquals(self.nesting_state.stack[-1].open_parentheses, 0) |
||
| 5413 | self.assertEquals(self.nesting_state.stack[-1].inline_asm, |
||
| 5414 | cpplint._BLOCK_ASM) |
||
| 5415 | |||
| 5416 | self.UpdateWithLines(['}']) |
||
| 5417 | self.assertEquals(len(self.nesting_state.stack), 1) |
||
| 5418 | |||
| 5419 | self.UpdateWithLines(['}']) |
||
| 5420 | self.assertEquals(len(self.nesting_state.stack), 0) |
||
| 5421 | |||
| 5422 | |||
| 5423 | # pylint: disable-msg=C6409
|
||
| 5424 | def setUp(): |
||
| 5425 | """Runs before all tests are executed.
|
||
| 5426 | """
|
||
| 5427 | # Enable all filters, so we don't miss anything that is off by default.
|
||
| 5428 | cpplint._DEFAULT_FILTERS = [] |
||
| 5429 | cpplint._cpplint_state.SetFilters('')
|
||
| 5430 | |||
| 5431 | |||
| 5432 | # pylint: disable-msg=C6409
|
||
| 5433 | def tearDown(): |
||
| 5434 | """A global check to make sure all error-categories have been tested.
|
||
| 5435 |
|
||
| 5436 | The main tearDown() routine is the only code we can guarantee will be
|
||
| 5437 | run after all other tests have been executed.
|
||
| 5438 | """
|
||
| 5439 | try:
|
||
| 5440 | if _run_verifyallcategoriesseen:
|
||
| 5441 | ErrorCollector(None).VerifyAllCategoriesAreSeen()
|
||
| 5442 | except NameError: |
||
| 5443 | # If nobody set the global _run_verifyallcategoriesseen, then
|
||
| 5444 | # we assume we should silently not run the test
|
||
| 5445 | pass
|
||
| 5446 | |||
| 5447 | |||
| 5448 | if __name__ == '__main__': |
||
| 5449 | # We don't want to run the VerifyAllCategoriesAreSeen() test unless
|
||
| 5450 | # we're running the full test suite: if we only run one test,
|
||
| 5451 | # obviously we're not going to see all the error categories. So we
|
||
| 5452 | # only run VerifyAllCategoriesAreSeen() when no commandline flags
|
||
| 5453 | # are passed in.
|
||
| 5454 | global _run_verifyallcategoriesseen
|
||
| 5455 | _run_verifyallcategoriesseen = (len(sys.argv) == 1) |
||
| 5456 | |||
| 5457 | setUp() |
||
| 5458 | unittest.main() |
||
| 5459 | tearDown() |