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