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#!/usr/bin/env python # # Copyright 2010 Google Inc. All Rights Reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above # copyright notice, this list of conditions and the following disclaimer # in the documentation and/or other materials provided with the # distribution. # * Neither the name of Google Inc. nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Tests Google Test's exception catching behavior.
This script invokes googletest-catch-exceptions-test_ and googletest-catch-exceptions-ex-test_ (programs written with Google Test) and verifies their output. """
import gtest_test_utils
# Constants. FLAG_PREFIX = '--gtest_' LIST_TESTS_FLAG = FLAG_PREFIX + 'list_tests' NO_CATCH_EXCEPTIONS_FLAG = FLAG_PREFIX + 'catch_exceptions=0' FILTER_FLAG = FLAG_PREFIX + 'filter'
# Path to the googletest-catch-exceptions-ex-test_ binary, compiled with # exceptions enabled. EX_EXE_PATH = gtest_test_utils.GetTestExecutablePath( 'googletest-catch-exceptions-ex-test_')
# Path to the googletest-catch-exceptions-test_ binary, compiled with # exceptions disabled. EXE_PATH = gtest_test_utils.GetTestExecutablePath( 'googletest-catch-exceptions-no-ex-test_')
environ = gtest_test_utils.environ SetEnvVar = gtest_test_utils.SetEnvVar
# Tests in this file run a Google-Test-based test program and expect it # to terminate prematurely. Therefore they are incompatible with # the premature-exit-file protocol by design. Unset the # premature-exit filepath to prevent Google Test from creating # the file. SetEnvVar(gtest_test_utils.PREMATURE_EXIT_FILE_ENV_VAR, None)
TEST_LIST = gtest_test_utils.Subprocess( [EXE_PATH, LIST_TESTS_FLAG], env=environ).output
SUPPORTS_SEH_EXCEPTIONS = 'ThrowsSehException' in TEST_LIST
if SUPPORTS_SEH_EXCEPTIONS: BINARY_OUTPUT = gtest_test_utils.Subprocess([EXE_PATH], env=environ).output
EX_BINARY_OUTPUT = gtest_test_utils.Subprocess( [EX_EXE_PATH], env=environ).output
# The tests. if SUPPORTS_SEH_EXCEPTIONS: # pylint:disable-msg=C6302 class CatchSehExceptionsTest(gtest_test_utils.TestCase): """Tests exception-catching behavior."""
def TestSehExceptions(self, test_output): self.assert_('SEH exception with code 0x2a thrown ' 'in the test fixture\'s constructor' in test_output) self.assert_('SEH exception with code 0x2a thrown ' 'in the test fixture\'s destructor' in test_output) self.assert_('SEH exception with code 0x2a thrown in SetUpTestSuite()' in test_output) self.assert_('SEH exception with code 0x2a thrown in TearDownTestSuite()' in test_output) self.assert_('SEH exception with code 0x2a thrown in SetUp()' in test_output) self.assert_('SEH exception with code 0x2a thrown in TearDown()' in test_output) self.assert_('SEH exception with code 0x2a thrown in the test body' in test_output)
def testCatchesSehExceptionsWithCxxExceptionsEnabled(self): self.TestSehExceptions(EX_BINARY_OUTPUT)
def testCatchesSehExceptionsWithCxxExceptionsDisabled(self): self.TestSehExceptions(BINARY_OUTPUT)
class CatchCxxExceptionsTest(gtest_test_utils.TestCase): """Tests C++ exception-catching behavior.
Tests in this test case verify that: * C++ exceptions are caught and logged as C++ (not SEH) exceptions * Exception thrown affect the remainder of the test work flow in the expected manner. """
def testCatchesCxxExceptionsInFixtureConstructor(self): self.assertTrue( 'C++ exception with description ' '"Standard C++ exception" thrown ' 'in the test fixture\'s constructor' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assert_('unexpected' not in EX_BINARY_OUTPUT, 'This failure belongs in this test only if ' '"CxxExceptionInConstructorTest" (no quotes) ' 'appears on the same line as words "called unexpectedly"')
if ('CxxExceptionInDestructorTest.ThrowsExceptionInDestructor' in EX_BINARY_OUTPUT):
def testCatchesCxxExceptionsInFixtureDestructor(self): self.assertTrue( 'C++ exception with description ' '"Standard C++ exception" thrown ' 'in the test fixture\'s destructor' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assertTrue( 'CxxExceptionInDestructorTest::TearDownTestSuite() ' 'called as expected.' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT)
def testCatchesCxxExceptionsInSetUpTestCase(self): self.assertTrue( 'C++ exception with description "Standard C++ exception"' ' thrown in SetUpTestSuite()' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assertTrue( 'CxxExceptionInConstructorTest::TearDownTestSuite() ' 'called as expected.' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assertTrue( 'CxxExceptionInSetUpTestSuiteTest constructor ' 'called as expected.' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assertTrue( 'CxxExceptionInSetUpTestSuiteTest destructor ' 'called as expected.' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assertTrue( 'CxxExceptionInSetUpTestSuiteTest::SetUp() ' 'called as expected.' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assertTrue( 'CxxExceptionInSetUpTestSuiteTest::TearDown() ' 'called as expected.' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assertTrue( 'CxxExceptionInSetUpTestSuiteTest test body ' 'called as expected.' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT)
def testCatchesCxxExceptionsInTearDownTestCase(self): self.assertTrue( 'C++ exception with description "Standard C++ exception"' ' thrown in TearDownTestSuite()' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT)
def testCatchesCxxExceptionsInSetUp(self): self.assertTrue( 'C++ exception with description "Standard C++ exception"' ' thrown in SetUp()' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assertTrue( 'CxxExceptionInSetUpTest::TearDownTestSuite() ' 'called as expected.' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assertTrue( 'CxxExceptionInSetUpTest destructor ' 'called as expected.' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assertTrue( 'CxxExceptionInSetUpTest::TearDown() ' 'called as expected.' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assert_('unexpected' not in EX_BINARY_OUTPUT, 'This failure belongs in this test only if ' '"CxxExceptionInSetUpTest" (no quotes) ' 'appears on the same line as words "called unexpectedly"')
def testCatchesCxxExceptionsInTearDown(self): self.assertTrue( 'C++ exception with description "Standard C++ exception"' ' thrown in TearDown()' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assertTrue( 'CxxExceptionInTearDownTest::TearDownTestSuite() ' 'called as expected.' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assertTrue( 'CxxExceptionInTearDownTest destructor ' 'called as expected.' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT)
def testCatchesCxxExceptionsInTestBody(self): self.assertTrue( 'C++ exception with description "Standard C++ exception"' ' thrown in the test body' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assertTrue( 'CxxExceptionInTestBodyTest::TearDownTestSuite() ' 'called as expected.' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assertTrue( 'CxxExceptionInTestBodyTest destructor ' 'called as expected.' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT) self.assertTrue( 'CxxExceptionInTestBodyTest::TearDown() ' 'called as expected.' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT)
def testCatchesNonStdCxxExceptions(self): self.assertTrue( 'Unknown C++ exception thrown in the test body' in EX_BINARY_OUTPUT, EX_BINARY_OUTPUT)
def testUnhandledCxxExceptionsAbortTheProgram(self): # Filters out SEH exception tests on Windows. Unhandled SEH exceptions # cause tests to show pop-up windows there. FITLER_OUT_SEH_TESTS_FLAG = FILTER_FLAG + '=-*Seh*' # By default, Google Test doesn't catch the exceptions. uncaught_exceptions_ex_binary_output = gtest_test_utils.Subprocess( [EX_EXE_PATH, NO_CATCH_EXCEPTIONS_FLAG, FITLER_OUT_SEH_TESTS_FLAG], env=environ).output
self.assert_('Unhandled C++ exception terminating the program' in uncaught_exceptions_ex_binary_output) self.assert_('unexpected' not in uncaught_exceptions_ex_binary_output)
if __name__ == '__main__': gtest_test_utils.Main()
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