Differential D18622 Diff 52199 google/googletest/dist/googletest/test/googletest-catch-exceptions-test.py
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google/googletest/dist/googletest/test/googletest-catch-exceptions-test.py
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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 SetUpTestCase()' | |||||
in test_output) | |||||
self.assert_('SEH exception with code 0x2a thrown in TearDownTestCase()' | |||||
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.assert_('C++ exception with description ' | |||||
'"Standard C++ exception" thrown ' | |||||
'in the test fixture\'s constructor' | |||||
in 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.assert_('C++ exception with description ' | |||||
'"Standard C++ exception" thrown ' | |||||
'in the test fixture\'s destructor' | |||||
in EX_BINARY_OUTPUT) | |||||
self.assert_('CxxExceptionInDestructorTest::TearDownTestCase() ' | |||||
'called as expected.' | |||||
in EX_BINARY_OUTPUT) | |||||
def testCatchesCxxExceptionsInSetUpTestCase(self): | |||||
self.assert_('C++ exception with description "Standard C++ exception"' | |||||
' thrown in SetUpTestCase()' | |||||
in EX_BINARY_OUTPUT) | |||||
self.assert_('CxxExceptionInConstructorTest::TearDownTestCase() ' | |||||
'called as expected.' | |||||
in EX_BINARY_OUTPUT) | |||||
self.assert_('CxxExceptionInSetUpTestCaseTest constructor ' | |||||
'called as expected.' | |||||
in EX_BINARY_OUTPUT) | |||||
self.assert_('CxxExceptionInSetUpTestCaseTest destructor ' | |||||
'called as expected.' | |||||
in EX_BINARY_OUTPUT) | |||||
self.assert_('CxxExceptionInSetUpTestCaseTest::SetUp() ' | |||||
'called as expected.' | |||||
in EX_BINARY_OUTPUT) | |||||
self.assert_('CxxExceptionInSetUpTestCaseTest::TearDown() ' | |||||
'called as expected.' | |||||
in EX_BINARY_OUTPUT) | |||||
self.assert_('CxxExceptionInSetUpTestCaseTest test body ' | |||||
'called as expected.' | |||||
in EX_BINARY_OUTPUT) | |||||
def testCatchesCxxExceptionsInTearDownTestCase(self): | |||||
self.assert_('C++ exception with description "Standard C++ exception"' | |||||
' thrown in TearDownTestCase()' | |||||
in EX_BINARY_OUTPUT) | |||||
def testCatchesCxxExceptionsInSetUp(self): | |||||
self.assert_('C++ exception with description "Standard C++ exception"' | |||||
' thrown in SetUp()' | |||||
in EX_BINARY_OUTPUT) | |||||
self.assert_('CxxExceptionInSetUpTest::TearDownTestCase() ' | |||||
'called as expected.' | |||||
in EX_BINARY_OUTPUT) | |||||
self.assert_('CxxExceptionInSetUpTest destructor ' | |||||
'called as expected.' | |||||
in EX_BINARY_OUTPUT) | |||||
self.assert_('CxxExceptionInSetUpTest::TearDown() ' | |||||
'called as expected.' | |||||
in 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.assert_('C++ exception with description "Standard C++ exception"' | |||||
' thrown in TearDown()' | |||||
in EX_BINARY_OUTPUT) | |||||
self.assert_('CxxExceptionInTearDownTest::TearDownTestCase() ' | |||||
'called as expected.' | |||||
in EX_BINARY_OUTPUT) | |||||
self.assert_('CxxExceptionInTearDownTest destructor ' | |||||
'called as expected.' | |||||
in EX_BINARY_OUTPUT) | |||||
def testCatchesCxxExceptionsInTestBody(self): | |||||
self.assert_('C++ exception with description "Standard C++ exception"' | |||||
' thrown in the test body' | |||||
in EX_BINARY_OUTPUT) | |||||
self.assert_('CxxExceptionInTestBodyTest::TearDownTestCase() ' | |||||
'called as expected.' | |||||
in EX_BINARY_OUTPUT) | |||||
self.assert_('CxxExceptionInTestBodyTest destructor ' | |||||
'called as expected.' | |||||
in EX_BINARY_OUTPUT) | |||||
self.assert_('CxxExceptionInTestBodyTest::TearDown() ' | |||||
'called as expected.' | |||||
in EX_BINARY_OUTPUT) | |||||
def testCatchesNonStdCxxExceptions(self): | |||||
self.assert_('Unknown C++ exception thrown in the test body' | |||||
in 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() |