Index: ext/googletest/googletest/test/gtest_break_on_failure_unittest.py =================================================================== diff -u -N --- ext/googletest/googletest/test/gtest_break_on_failure_unittest.py (revision 4a481bbe77043e0bda2435c6d62a02700b3e46c5) +++ ext/googletest/googletest/test/gtest_break_on_failure_unittest.py (revision 0) @@ -1,212 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2006, 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. - -"""Unit test for Google Test's break-on-failure mode. - -A user can ask Google Test to seg-fault when an assertion fails, using -either the GTEST_BREAK_ON_FAILURE environment variable or the ---gtest_break_on_failure flag. This script tests such functionality -by invoking gtest_break_on_failure_unittest_ (a program written with -Google Test) with different environments and command line flags. -""" - -__author__ = 'wan@google.com (Zhanyong Wan)' - -import gtest_test_utils -import os -import sys - - -# Constants. - -IS_WINDOWS = os.name == 'nt' - -# The environment variable for enabling/disabling the break-on-failure mode. -BREAK_ON_FAILURE_ENV_VAR = 'GTEST_BREAK_ON_FAILURE' - -# The command line flag for enabling/disabling the break-on-failure mode. -BREAK_ON_FAILURE_FLAG = 'gtest_break_on_failure' - -# The environment variable for enabling/disabling the throw-on-failure mode. -THROW_ON_FAILURE_ENV_VAR = 'GTEST_THROW_ON_FAILURE' - -# The environment variable for enabling/disabling the catch-exceptions mode. -CATCH_EXCEPTIONS_ENV_VAR = 'GTEST_CATCH_EXCEPTIONS' - -# Path to the gtest_break_on_failure_unittest_ program. -EXE_PATH = gtest_test_utils.GetTestExecutablePath( - 'gtest_break_on_failure_unittest_') - - -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) - - -def Run(command): - """Runs a command; returns 1 if it was killed by a signal, or 0 otherwise.""" - - p = gtest_test_utils.Subprocess(command, env=environ) - if p.terminated_by_signal: - return 1 - else: - return 0 - - -# The tests. - - -class GTestBreakOnFailureUnitTest(gtest_test_utils.TestCase): - """Tests using the GTEST_BREAK_ON_FAILURE environment variable or - the --gtest_break_on_failure flag to turn assertion failures into - segmentation faults. - """ - - def RunAndVerify(self, env_var_value, flag_value, expect_seg_fault): - """Runs gtest_break_on_failure_unittest_ and verifies that it does - (or does not) have a seg-fault. - - Args: - env_var_value: value of the GTEST_BREAK_ON_FAILURE environment - variable; None if the variable should be unset. - flag_value: value of the --gtest_break_on_failure flag; - None if the flag should not be present. - expect_seg_fault: 1 if the program is expected to generate a seg-fault; - 0 otherwise. - """ - - SetEnvVar(BREAK_ON_FAILURE_ENV_VAR, env_var_value) - - if env_var_value is None: - env_var_value_msg = ' is not set' - else: - env_var_value_msg = '=' + env_var_value - - if flag_value is None: - flag = '' - elif flag_value == '0': - flag = '--%s=0' % BREAK_ON_FAILURE_FLAG - else: - flag = '--%s' % BREAK_ON_FAILURE_FLAG - - command = [EXE_PATH] - if flag: - command.append(flag) - - if expect_seg_fault: - should_or_not = 'should' - else: - should_or_not = 'should not' - - has_seg_fault = Run(command) - - SetEnvVar(BREAK_ON_FAILURE_ENV_VAR, None) - - msg = ('when %s%s, an assertion failure in "%s" %s cause a seg-fault.' % - (BREAK_ON_FAILURE_ENV_VAR, env_var_value_msg, ' '.join(command), - should_or_not)) - self.assert_(has_seg_fault == expect_seg_fault, msg) - - def testDefaultBehavior(self): - """Tests the behavior of the default mode.""" - - self.RunAndVerify(env_var_value=None, - flag_value=None, - expect_seg_fault=0) - - def testEnvVar(self): - """Tests using the GTEST_BREAK_ON_FAILURE environment variable.""" - - self.RunAndVerify(env_var_value='0', - flag_value=None, - expect_seg_fault=0) - self.RunAndVerify(env_var_value='1', - flag_value=None, - expect_seg_fault=1) - - def testFlag(self): - """Tests using the --gtest_break_on_failure flag.""" - - self.RunAndVerify(env_var_value=None, - flag_value='0', - expect_seg_fault=0) - self.RunAndVerify(env_var_value=None, - flag_value='1', - expect_seg_fault=1) - - def testFlagOverridesEnvVar(self): - """Tests that the flag overrides the environment variable.""" - - self.RunAndVerify(env_var_value='0', - flag_value='0', - expect_seg_fault=0) - self.RunAndVerify(env_var_value='0', - flag_value='1', - expect_seg_fault=1) - self.RunAndVerify(env_var_value='1', - flag_value='0', - expect_seg_fault=0) - self.RunAndVerify(env_var_value='1', - flag_value='1', - expect_seg_fault=1) - - def testBreakOnFailureOverridesThrowOnFailure(self): - """Tests that gtest_break_on_failure overrides gtest_throw_on_failure.""" - - SetEnvVar(THROW_ON_FAILURE_ENV_VAR, '1') - try: - self.RunAndVerify(env_var_value=None, - flag_value='1', - expect_seg_fault=1) - finally: - SetEnvVar(THROW_ON_FAILURE_ENV_VAR, None) - - if IS_WINDOWS: - def testCatchExceptionsDoesNotInterfere(self): - """Tests that gtest_catch_exceptions doesn't interfere.""" - - SetEnvVar(CATCH_EXCEPTIONS_ENV_VAR, '1') - try: - self.RunAndVerify(env_var_value='1', - flag_value='1', - expect_seg_fault=1) - finally: - SetEnvVar(CATCH_EXCEPTIONS_ENV_VAR, None) - - -if __name__ == '__main__': - gtest_test_utils.Main()