1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
#!/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()
|
