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/thirdparty/breakpad/third_party/protobuf/protobuf/gtest/test/gtest_throw_on_failure_ex_test.cc

http://github.com/tomahawk-player/tomahawk
C++ | 92 lines | 37 code | 11 blank | 44 comment | 2 complexity | 3c02e8a0da281a2fdb061e9f41670739 MD5 | raw file
 1// Copyright 2009, Google Inc.
 2// All rights reserved.
 3//
 4// Redistribution and use in source and binary forms, with or without
 5// modification, are permitted provided that the following conditions are
 6// met:
 7//
 8//     * Redistributions of source code must retain the above copyright
 9// notice, this list of conditions and the following disclaimer.
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11// copyright notice, this list of conditions and the following disclaimer
12// in the documentation and/or other materials provided with the
13// distribution.
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15// contributors may be used to endorse or promote products derived from
16// this software without specific prior written permission.
17//
18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29//
30// Author: wan@google.com (Zhanyong Wan)
31
32// Tests Google Test's throw-on-failure mode with exceptions enabled.
33
34#include <gtest/gtest.h>
35
36#include <stdlib.h>
37#include <stdio.h>
38#include <string.h>
39#include <stdexcept>
40
41// Prints the given failure message and exits the program with
42// non-zero.  We use this instead of a Google Test assertion to
43// indicate a failure, as the latter is been tested and cannot be
44// relied on.
45void Fail(const char* msg) {
46  printf("FAILURE: %s\n", msg);
47  fflush(stdout);
48  exit(1);
49}
50
51// Tests that an assertion failure throws a subclass of
52// std::runtime_error.
53void TestFailureThrowsRuntimeError() {
54  testing::GTEST_FLAG(throw_on_failure) = true;
55
56  // A successful assertion shouldn't throw.
57  try {
58    EXPECT_EQ(3, 3);
59  } catch(...) {
60    Fail("A successful assertion wrongfully threw.");
61  }
62
63  // A failed assertion should throw a subclass of std::runtime_error.
64  try {
65    EXPECT_EQ(2, 3) << "Expected failure";
66  } catch(const std::runtime_error& e) {
67    if (strstr(e.what(), "Expected failure") != NULL)
68      return;
69
70    printf("%s",
71           "A failed assertion did throw an exception of the right type, "
72           "but the message is incorrect.  Instead of containing \"Expected "
73           "failure\", it is:\n");
74    Fail(e.what());
75  } catch(...) {
76    Fail("A failed assertion threw the wrong type of exception.");
77  }
78  Fail("A failed assertion should've thrown but didn't.");
79}
80
81int main(int argc, char** argv) {
82  testing::InitGoogleTest(&argc, argv);
83
84  // We want to ensure that people can use Google Test assertions in
85  // other testing frameworks, as long as they initialize Google Test
86  // properly and set the thrown-on-failure mode.  Therefore, we don't
87  // use Google Test's constructs for defining and running tests
88  // (e.g. TEST and RUN_ALL_TESTS) here.
89
90  TestFailureThrowsRuntimeError();
91  return 0;
92}