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  1. #!/usr/bin/env python
  2. #
  3. # Copyright 2010 Google Inc.  All Rights Reserved.
  4. #
  5. # Redistribution and use in source and binary forms, with or without
  6. # modification, are permitted provided that the following conditions are
  7. # met:
  8. #
  9. #     * Redistributions of source code must retain the above copyright
  10. # notice, this list of conditions and the following disclaimer.
  11. #     * Redistributions in binary form must reproduce the above
  12. # copyright notice, this list of conditions and the following disclaimer
  13. # in the documentation and/or other materials provided with the
  14. # distribution.
  15. #     * Neither the name of Google Inc. nor the names of its
  16. # contributors may be used to endorse or promote products derived from
  17. # this software without specific prior written permission.
  18. #
  19. # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20. # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21. # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22. # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23. # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24. # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25. # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26. # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27. # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28. # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29. # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30.  
  31. """Tests Google Test's exception catching behavior.
  32.  
  33. This script invokes googletest-catch-exceptions-test_ and
  34. googletest-catch-exceptions-ex-test_ (programs written with
  35. Google Test) and verifies their output.
  36. """
  37.  
  38. import gtest_test_utils
  39.  
  40. # Constants.
  41. FLAG_PREFIX = '--gtest_'
  42. LIST_TESTS_FLAG = FLAG_PREFIX + 'list_tests'
  43. NO_CATCH_EXCEPTIONS_FLAG = FLAG_PREFIX + 'catch_exceptions=0'
  44. FILTER_FLAG = FLAG_PREFIX + 'filter'
  45.  
  46. # Path to the googletest-catch-exceptions-ex-test_ binary, compiled with
  47. # exceptions enabled.
  48. EX_EXE_PATH = gtest_test_utils.GetTestExecutablePath(
  49.     'googletest-catch-exceptions-ex-test_')
  50.  
  51. # Path to the googletest-catch-exceptions-test_ binary, compiled with
  52. # exceptions disabled.
  53. EXE_PATH = gtest_test_utils.GetTestExecutablePath(
  54.     'googletest-catch-exceptions-no-ex-test_')
  55.  
  56. environ = gtest_test_utils.environ
  57. SetEnvVar = gtest_test_utils.SetEnvVar
  58.  
  59. # Tests in this file run a Google-Test-based test program and expect it
  60. # to terminate prematurely.  Therefore they are incompatible with
  61. # the premature-exit-file protocol by design.  Unset the
  62. # premature-exit filepath to prevent Google Test from creating
  63. # the file.
  64. SetEnvVar(gtest_test_utils.PREMATURE_EXIT_FILE_ENV_VAR, None)
  65.  
  66. TEST_LIST = gtest_test_utils.Subprocess(
  67.     [EXE_PATH, LIST_TESTS_FLAG], env=environ).output
  68.  
  69. SUPPORTS_SEH_EXCEPTIONS = 'ThrowsSehException' in TEST_LIST
  70.  
  71. if SUPPORTS_SEH_EXCEPTIONS:
  72.   BINARY_OUTPUT = gtest_test_utils.Subprocess([EXE_PATH], env=environ).output
  73.  
  74. EX_BINARY_OUTPUT = gtest_test_utils.Subprocess(
  75.     [EX_EXE_PATH], env=environ).output
  76.  
  77.  
  78. # The tests.
  79. if SUPPORTS_SEH_EXCEPTIONS:
  80.   # pylint:disable-msg=C6302
  81.   class CatchSehExceptionsTest(gtest_test_utils.TestCase):
  82.     """Tests exception-catching behavior."""
  83.  
  84.  
  85.     def TestSehExceptions(self, test_output):
  86.       self.assert_('SEH exception with code 0x2a thrown '
  87.                    'in the test fixture\'s constructor'
  88.                    in test_output)
  89.       self.assert_('SEH exception with code 0x2a thrown '
  90.                    'in the test fixture\'s destructor'
  91.                    in test_output)
  92.       self.assert_('SEH exception with code 0x2a thrown in SetUpTestCase()'
  93.                    in test_output)
  94.       self.assert_('SEH exception with code 0x2a thrown in TearDownTestCase()'
  95.                    in test_output)
  96.       self.assert_('SEH exception with code 0x2a thrown in SetUp()'
  97.                    in test_output)
  98.       self.assert_('SEH exception with code 0x2a thrown in TearDown()'
  99.                    in test_output)
  100.       self.assert_('SEH exception with code 0x2a thrown in the test body'
  101.                    in test_output)
  102.  
  103.     def testCatchesSehExceptionsWithCxxExceptionsEnabled(self):
  104.       self.TestSehExceptions(EX_BINARY_OUTPUT)
  105.  
  106.     def testCatchesSehExceptionsWithCxxExceptionsDisabled(self):
  107.       self.TestSehExceptions(BINARY_OUTPUT)
  108.  
  109.  
  110. class CatchCxxExceptionsTest(gtest_test_utils.TestCase):
  111.   """Tests C++ exception-catching behavior.
  112.  
  113.     Tests in this test case verify that:
  114.     * C++ exceptions are caught and logged as C++ (not SEH) exceptions
  115.     * Exception thrown affect the remainder of the test work flow in the
  116.       expected manner.
  117.  """
  118.  
  119.   def testCatchesCxxExceptionsInFixtureConstructor(self):
  120.     self.assert_('C++ exception with description '
  121.                  '"Standard C++ exception" thrown '
  122.                  'in the test fixture\'s constructor'
  123.                  in EX_BINARY_OUTPUT)
  124.     self.assert_('unexpected' not in EX_BINARY_OUTPUT,
  125.                  'This failure belongs in this test only if '
  126.                  '"CxxExceptionInConstructorTest" (no quotes) '
  127.                  'appears on the same line as words "called unexpectedly"')
  128.  
  129.   if ('CxxExceptionInDestructorTest.ThrowsExceptionInDestructor' in
  130.       EX_BINARY_OUTPUT):
  131.  
  132.     def testCatchesCxxExceptionsInFixtureDestructor(self):
  133.       self.assert_('C++ exception with description '
  134.                    '"Standard C++ exception" thrown '
  135.                    'in the test fixture\'s destructor'
  136.                    in EX_BINARY_OUTPUT)
  137.       self.assert_('CxxExceptionInDestructorTest::TearDownTestCase() '
  138.                    'called as expected.'
  139.                    in EX_BINARY_OUTPUT)
  140.  
  141.   def testCatchesCxxExceptionsInSetUpTestCase(self):
  142.     self.assert_('C++ exception with description "Standard C++ exception"'
  143.                  ' thrown in SetUpTestCase()'
  144.                  in EX_BINARY_OUTPUT)
  145.     self.assert_('CxxExceptionInConstructorTest::TearDownTestCase() '
  146.                  'called as expected.'
  147.                  in EX_BINARY_OUTPUT)
  148.     self.assert_('CxxExceptionInSetUpTestCaseTest constructor '
  149.                  'called as expected.'
  150.                  in EX_BINARY_OUTPUT)
  151.     self.assert_('CxxExceptionInSetUpTestCaseTest destructor '
  152.                  'called as expected.'
  153.                  in EX_BINARY_OUTPUT)
  154.     self.assert_('CxxExceptionInSetUpTestCaseTest::SetUp() '
  155.                  'called as expected.'
  156.                  in EX_BINARY_OUTPUT)
  157.     self.assert_('CxxExceptionInSetUpTestCaseTest::TearDown() '
  158.                  'called as expected.'
  159.                  in EX_BINARY_OUTPUT)
  160.     self.assert_('CxxExceptionInSetUpTestCaseTest test body '
  161.                  'called as expected.'
  162.                  in EX_BINARY_OUTPUT)
  163.  
  164.   def testCatchesCxxExceptionsInTearDownTestCase(self):
  165.     self.assert_('C++ exception with description "Standard C++ exception"'
  166.                  ' thrown in TearDownTestCase()'
  167.                  in EX_BINARY_OUTPUT)
  168.  
  169.   def testCatchesCxxExceptionsInSetUp(self):
  170.     self.assert_('C++ exception with description "Standard C++ exception"'
  171.                  ' thrown in SetUp()'
  172.                  in EX_BINARY_OUTPUT)
  173.     self.assert_('CxxExceptionInSetUpTest::TearDownTestCase() '
  174.                  'called as expected.'
  175.                  in EX_BINARY_OUTPUT)
  176.     self.assert_('CxxExceptionInSetUpTest destructor '
  177.                  'called as expected.'
  178.                  in EX_BINARY_OUTPUT)
  179.     self.assert_('CxxExceptionInSetUpTest::TearDown() '
  180.                  'called as expected.'
  181.                  in EX_BINARY_OUTPUT)
  182.     self.assert_('unexpected' not in EX_BINARY_OUTPUT,
  183.                  'This failure belongs in this test only if '
  184.                  '"CxxExceptionInSetUpTest" (no quotes) '
  185.                  'appears on the same line as words "called unexpectedly"')
  186.  
  187.   def testCatchesCxxExceptionsInTearDown(self):
  188.     self.assert_('C++ exception with description "Standard C++ exception"'
  189.                  ' thrown in TearDown()'
  190.                  in EX_BINARY_OUTPUT)
  191.     self.assert_('CxxExceptionInTearDownTest::TearDownTestCase() '
  192.                  'called as expected.'
  193.                  in EX_BINARY_OUTPUT)
  194.     self.assert_('CxxExceptionInTearDownTest destructor '
  195.                  'called as expected.'
  196.                  in EX_BINARY_OUTPUT)
  197.  
  198.   def testCatchesCxxExceptionsInTestBody(self):
  199.     self.assert_('C++ exception with description "Standard C++ exception"'
  200.                  ' thrown in the test body'
  201.                  in EX_BINARY_OUTPUT)
  202.     self.assert_('CxxExceptionInTestBodyTest::TearDownTestCase() '
  203.                  'called as expected.'
  204.                  in EX_BINARY_OUTPUT)
  205.     self.assert_('CxxExceptionInTestBodyTest destructor '
  206.                  'called as expected.'
  207.                  in EX_BINARY_OUTPUT)
  208.     self.assert_('CxxExceptionInTestBodyTest::TearDown() '
  209.                  'called as expected.'
  210.                  in EX_BINARY_OUTPUT)
  211.  
  212.   def testCatchesNonStdCxxExceptions(self):
  213.     self.assert_('Unknown C++ exception thrown in the test body'
  214.                  in EX_BINARY_OUTPUT)
  215.  
  216.   def testUnhandledCxxExceptionsAbortTheProgram(self):
  217.     # Filters out SEH exception tests on Windows. Unhandled SEH exceptions
  218.     # cause tests to show pop-up windows there.
  219.     FITLER_OUT_SEH_TESTS_FLAG = FILTER_FLAG + '=-*Seh*'
  220.     # By default, Google Test doesn't catch the exceptions.
  221.     uncaught_exceptions_ex_binary_output = gtest_test_utils.Subprocess(
  222.         [EX_EXE_PATH,
  223.          NO_CATCH_EXCEPTIONS_FLAG,
  224.          FITLER_OUT_SEH_TESTS_FLAG],
  225.         env=environ).output
  226.  
  227.     self.assert_('Unhandled C++ exception terminating the program'
  228.                  in uncaught_exceptions_ex_binary_output)
  229.     self.assert_('unexpected' not in uncaught_exceptions_ex_binary_output)
  230.  
  231.  
  232. if __name__ == '__main__':
  233.   gtest_test_utils.Main()
  234.