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<div class="title">gtest-death-test.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2005, Google Inc.</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// All rights reserved.</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Redistribution and use in source and binary forms, with or without</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// modification, are permitted provided that the following conditions are</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// met:</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// * Redistributions of source code must retain the above copyright</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// notice, this list of conditions and the following disclaimer.</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// * Redistributions in binary form must reproduce the above</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// copyright notice, this list of conditions and the following disclaimer</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// in the documentation and/or other materials provided with the</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// distribution.</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// * Neither the name of Google Inc. nor the names of its</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// contributors may be used to endorse or promote products derived from</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// this software without specific prior written permission.</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// Author: wan@google.com (Zhanyong Wan)</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// The Google C++ Testing Framework (Google Test)</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// This header file defines the public API for death tests. It is</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// #included by gtest.h so a user doesn't need to include this</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// directly.</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#ifndef GTEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"></span><span class="preprocessor">#define GTEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "gtest/internal/gtest-death-test-internal.h"</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">namespace </span>testing {</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">// This flag controls the style of death tests. Valid values are "threadsafe",</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// meaning that the death test child process will re-execute the test binary</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// from the start, running only a single death test, or "fast",</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// meaning that the child process will execute the test logic immediately</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">// after forking.</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> GTEST_DECLARE_string_(death_test_style);</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#if GTEST_HAS_DEATH_TEST</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">namespace </span>internal {</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// Returns a Boolean value indicating whether the caller is currently</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// executing in the context of the death test child process. Tools such as</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// Valgrind heap checkers may need this to modify their behavior in death</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment">// tests. IMPORTANT: This is an internal utility. Using it may break the</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment">// implementation of death tests. User code MUST NOT use it.</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> GTEST_API_ <span class="keywordtype">bool</span> InDeathTestChild();</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> } <span class="comment">// namespace internal</span></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment">// The following macros are useful for writing death tests.</span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// Here's what happens when an ASSERT_DEATH* or EXPECT_DEATH* is</span></div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment">// executed:</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment">// 1. It generates a warning if there is more than one active</span></div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment">// thread. This is because it's safe to fork() or clone() only</span></div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">// when there is a single thread.</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// 2. The parent process clone()s a sub-process and runs the death</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment">// test in it; the sub-process exits with code 0 at the end of the</span></div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment">// death test, if it hasn't exited already.</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment">// 3. The parent process waits for the sub-process to terminate.</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment">// 4. The parent process checks the exit code and error message of</span></div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment">// the sub-process.</span></div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment">// Examples:</span></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment">// ASSERT_DEATH(server.SendMessage(56, "Hello"), "Invalid port number");</span></div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment">// for (int i = 0; i < 5; i++) {</span></div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment">// EXPECT_DEATH(server.ProcessRequest(i),</span></div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment">// "Invalid request .* in ProcessRequest()")</span></div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment">// << "Failed to die on request " << i;</span></div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment">// }</span></div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment">// ASSERT_EXIT(server.ExitNow(), ::testing::ExitedWithCode(0), "Exiting");</span></div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment">// bool KilledBySIGHUP(int exit_code) {</span></div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment">// return WIFSIGNALED(exit_code) && WTERMSIG(exit_code) == SIGHUP;</span></div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment">// }</span></div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment">// ASSERT_EXIT(client.HangUpServer(), KilledBySIGHUP, "Hanging up!");</span></div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment">// On the regular expressions used in death tests:</span></div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">// On POSIX-compliant systems (*nix), we use the <regex.h> library,</span></div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment">// which uses the POSIX extended regex syntax.</span></div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment">// On other platforms (e.g. Windows), we only support a simple regex</span></div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment">// syntax implemented as part of Google Test. This limited</span></div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment">// implementation should be enough most of the time when writing</span></div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment">// death tests; though it lacks many features you can find in PCRE</span></div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment">// or POSIX extended regex syntax. For example, we don't support</span></div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment">// union ("x|y"), grouping ("(xy)"), brackets ("[xy]"), and</span></div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment">// repetition count ("x{5,7}"), among others.</span></div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment">// Below is the syntax that we do support. We chose it to be a</span></div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment">// subset of both PCRE and POSIX extended regex, so it's easy to</span></div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment">// learn wherever you come from. In the following: 'A' denotes a</span></div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment">// literal character, period (.), or a single \\ escape sequence;</span></div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// 'x' and 'y' denote regular expressions; 'm' and 'n' are for</span></div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment">// natural numbers.</span></div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment">// c matches any literal character c</span></div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment">// \\d matches any decimal digit</span></div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment">// \\D matches any character that's not a decimal digit</span></div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment">// \\f matches \f</span></div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment">// \\n matches \n</span></div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment">// \\r matches \r</span></div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment">// \\s matches any ASCII whitespace, including \n</span></div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment">// \\S matches any character that's not a whitespace</span></div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment">// \\t matches \t</span></div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment">// \\v matches \v</span></div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment">// \\w matches any letter, _, or decimal digit</span></div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment">// \\W matches any character that \\w doesn't match</span></div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// \\c matches any literal character c, which must be a punctuation</span></div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// . matches any single character except \n</span></div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment">// A? matches 0 or 1 occurrences of A</span></div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment">// A* matches 0 or many occurrences of A</span></div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// A+ matches 1 or many occurrences of A</span></div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment">// ^ matches the beginning of a string (not that of each line)</span></div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment">// $ matches the end of a string (not that of each line)</span></div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment">// xy matches x followed by y</span></div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment">// If you accidentally use PCRE or POSIX extended regex features</span></div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment">// not implemented by us, you will get a run-time failure. In that</span></div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment">// case, please try to rewrite your regular expression within the</span></div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment">// above syntax.</span></div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment">// This implementation is *not* meant to be as highly tuned or robust</span></div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment">// as a compiled regex library, but should perform well enough for a</span></div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment">// death test, which already incurs significant overhead by launching</span></div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment">// a child process.</span></div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment">// Known caveats:</span></div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment">// A "threadsafe" style death test obtains the path to the test</span></div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment">// program from argv[0] and re-executes it in the sub-process. For</span></div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment">// simplicity, the current implementation doesn't search the PATH</span></div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment">// when launching the sub-process. This means that the user must</span></div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment">// invoke the test program via a path that contains at least one</span></div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment">// path separator (e.g. path/to/foo_test and</span></div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment">// /absolute/path/to/bar_test are fine, but foo_test is not). This</span></div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment">// is rarely a problem as people usually don't put the test binary</span></div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment">// directory in PATH.</span></div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment">// TODO(wan@google.com): make thread-safe death tests search the PATH.</span></div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment">// Asserts that a given statement causes the program to exit, with an</span></div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment">// integer exit status that satisfies predicate, and emitting error output</span></div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment">// that matches regex.</span></div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="preprocessor"># define ASSERT_EXIT(statement, predicate, regex) \</span></div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="preprocessor"> GTEST_DEATH_TEST_(statement, predicate, regex, GTEST_FATAL_FAILURE_)</span></div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment">// Like ASSERT_EXIT, but continues on to successive tests in the</span></div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment">// test case, if any:</span></div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="preprocessor"># define EXPECT_EXIT(statement, predicate, regex) \</span></div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="preprocessor"> GTEST_DEATH_TEST_(statement, predicate, regex, GTEST_NONFATAL_FAILURE_)</span></div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment">// Asserts that a given statement causes the program to exit, either by</span></div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment">// explicitly exiting with a nonzero exit code or being killed by a</span></div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment">// signal, and emitting error output that matches regex.</span></div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="preprocessor"># define ASSERT_DEATH(statement, regex) \</span></div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="preprocessor"> ASSERT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, regex)</span></div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment">// Like ASSERT_DEATH, but continues on to successive tests in the</span></div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment">// test case, if any:</span></div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="preprocessor"># define EXPECT_DEATH(statement, regex) \</span></div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="preprocessor"> EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, regex)</span></div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment">// Two predicate classes that can be used in {ASSERT,EXPECT}_EXIT*:</span></div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment">// Tests that an exit code describes a normal exit with a given exit code.</span></div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="keyword">class </span>GTEST_API_ ExitedWithCode {</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keyword">explicit</span> ExitedWithCode(<span class="keywordtype">int</span> exit_code);</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordtype">bool</span> operator()(<span class="keywordtype">int</span> exit_status) <span class="keyword">const</span>;</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="comment">// No implementation - assignment is unsupported.</span></div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> ExitedWithCode& other);</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> exit_code_;</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> };</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="preprocessor"># if !GTEST_OS_WINDOWS</span></div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="preprocessor"></span><span class="comment">// Tests that an exit code describes an exit due to termination by a</span></div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment">// given signal.</span></div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="keyword">class </span>GTEST_API_ KilledBySignal {</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keyword">explicit</span> KilledBySignal(<span class="keywordtype">int</span> signum);</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordtype">bool</span> operator()(<span class="keywordtype">int</span> exit_status) <span class="keyword">const</span>;</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> signum_;</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> };</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="preprocessor"># endif // !GTEST_OS_WINDOWS</span></div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment">// EXPECT_DEBUG_DEATH asserts that the given statements die in debug mode.</span></div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment">// The death testing framework causes this to have interesting semantics,</span></div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment">// since the sideeffects of the call are only visible in opt mode, and not</span></div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment">// in debug mode.</span></div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment">// In practice, this can be used to test functions that utilize the</span></div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment">// LOG(DFATAL) macro using the following style:</span></div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment">// int DieInDebugOr12(int* sideeffect) {</span></div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="comment">// if (sideeffect) {</span></div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment">// *sideeffect = 12;</span></div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment">// }</span></div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="comment">// LOG(DFATAL) << "death";</span></div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment">// return 12;</span></div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment">// }</span></div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment">// TEST(TestCase, TestDieOr12WorksInDgbAndOpt) {</span></div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment">// int sideeffect = 0;</span></div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="comment">// // Only asserts in dbg.</span></div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="comment">// EXPECT_DEBUG_DEATH(DieInDebugOr12(&sideeffect), "death");</span></div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment">// #ifdef NDEBUG</span></div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment">// // opt-mode has sideeffect visible.</span></div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment">// EXPECT_EQ(12, sideeffect);</span></div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment">// #else</span></div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment">// // dbg-mode no visible sideeffect.</span></div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment">// EXPECT_EQ(0, sideeffect);</span></div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment">// #endif</span></div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="comment">// }</span></div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment">// This will assert that DieInDebugReturn12InOpt() crashes in debug</span></div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment">// mode, usually due to a DCHECK or LOG(DFATAL), but returns the</span></div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment">// appropriate fallback value (12 in this case) in opt mode. If you</span></div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment">// need to test that a function has appropriate side-effects in opt</span></div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment">// mode, include assertions against the side-effects. A general</span></div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment">// pattern for this is:</span></div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment">// EXPECT_DEBUG_DEATH({</span></div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment">// // Side-effects here will have an effect after this statement in</span></div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment">// // opt mode, but none in debug mode.</span></div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment">// EXPECT_EQ(12, DieInDebugOr12(&sideeffect));</span></div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment">// }, "death");</span></div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment">//</span></div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="preprocessor"># ifdef NDEBUG</span></div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="preprocessor"># define EXPECT_DEBUG_DEATH(statement, regex) \</span></div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="preprocessor"> GTEST_EXECUTE_STATEMENT_(statement, regex)</span></div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="preprocessor"># define ASSERT_DEBUG_DEATH(statement, regex) \</span></div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="preprocessor"> GTEST_EXECUTE_STATEMENT_(statement, regex)</span></div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="preprocessor"># else</span></div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="preprocessor"># define EXPECT_DEBUG_DEATH(statement, regex) \</span></div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="preprocessor"> EXPECT_DEATH(statement, regex)</span></div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="preprocessor"># define ASSERT_DEBUG_DEATH(statement, regex) \</span></div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="preprocessor"> ASSERT_DEATH(statement, regex)</span></div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor"># endif // NDEBUG for EXPECT_DEBUG_DEATH</span></div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="preprocessor"></span><span class="preprocessor">#endif // GTEST_HAS_DEATH_TEST</span></div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="comment">// EXPECT_DEATH_IF_SUPPORTED(statement, regex) and</span></div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment">// ASSERT_DEATH_IF_SUPPORTED(statement, regex) expand to real death tests if</span></div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment">// death tests are supported; otherwise they just issue a warning. This is</span></div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment">// useful when you are combining death test assertions with normal test</span></div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment">// assertions in one test.</span></div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="preprocessor">#if GTEST_HAS_DEATH_TEST</span></div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="preprocessor"></span><span class="preprocessor"># define EXPECT_DEATH_IF_SUPPORTED(statement, regex) \</span></div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="preprocessor"> EXPECT_DEATH(statement, regex)</span></div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="preprocessor"></span><span class="preprocessor"># define ASSERT_DEATH_IF_SUPPORTED(statement, regex) \</span></div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="preprocessor"> ASSERT_DEATH(statement, regex)</span></div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="preprocessor"></span><span class="preprocessor"># define EXPECT_DEATH_IF_SUPPORTED(statement, regex) \</span></div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="preprocessor"> GTEST_UNSUPPORTED_DEATH_TEST_(statement, regex, )</span></div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="preprocessor"></span><span class="preprocessor"># define ASSERT_DEATH_IF_SUPPORTED(statement, regex) \</span></div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="preprocessor"> GTEST_UNSUPPORTED_DEATH_TEST_(statement, regex, return)</span></div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> } <span class="comment">// namespace testing</span></div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> </div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="preprocessor">#endif // GTEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_</span></div>
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