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<div class="title">promise-test.cc</div> </div>
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<a href="promise-test_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2012 Cloudera Inc.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &lt;boost/thread.hpp&gt;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &lt;gtest/gtest.h&gt;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="timestamp-value_8h.html">runtime/timestamp-value.h</a>&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &lt;sys/resource.h&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="promise_8h.html">util/promise.h</a>&quot;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="time_8h.html">util/time.h</a>&quot;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="names_8h.html">common/names.h</a>&quot;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="keyword">namespace </span>impala {</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="structimpala_1_1ScopedLimitResetter.html"> 27</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structimpala_1_1ScopedLimitResetter.html">ScopedLimitResetter</a> {</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="structimpala_1_1ScopedLimitResetter.html#affdd5017065a3c04ef0e16915c95fa6b"> 29</a></span>&#160; <a class="code" href="structimpala_1_1ScopedLimitResetter.html#affdd5017065a3c04ef0e16915c95fa6b">ScopedLimitResetter</a>() {</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; getrlimit(RLIMIT_CORE, &amp;<a class="code" href="structimpala_1_1ScopedLimitResetter.html#a7e9bb8bc71aae649b8baac3a03d11b89">limit_before_</a>);</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; rlimit limit;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; limit.rlim_cur = limit.rlim_max = 0;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; setrlimit(RLIMIT_CORE, &amp;limit);</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; }</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;</div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="structimpala_1_1ScopedLimitResetter.html#ad990e530650d9796dc8ef03a342c9cd1"> 36</a></span>&#160; <a class="code" href="structimpala_1_1ScopedLimitResetter.html#ad990e530650d9796dc8ef03a342c9cd1">~ScopedLimitResetter</a>() {</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; setrlimit(RLIMIT_CORE, &amp;<a class="code" href="structimpala_1_1ScopedLimitResetter.html#a7e9bb8bc71aae649b8baac3a03d11b89">limit_before_</a>);</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; }</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="structimpala_1_1ScopedLimitResetter.html#a7e9bb8bc71aae649b8baac3a03d11b89"> 41</a></span>&#160; rlimit <a class="code" href="structimpala_1_1ScopedLimitResetter.html#a7e9bb8bc71aae649b8baac3a03d11b89">limit_before_</a>;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;};</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;</div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a0e78c080c7ed1f157e57d3eccb29c15c"> 44</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="namespaceimpala.html#a0e78c080c7ed1f157e57d3eccb29c15c">RunThread</a>(<a class="code" href="classimpala_1_1Promise.html">Promise&lt;int64_t&gt;</a>* promise) {</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; promise-&gt;<a class="code" href="classimpala_1_1Promise.html#abf8dc89791be540e5914372b06eee286">Set</a>(100);</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;}</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;</div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a0d0915b8eeed1adc4ca0fa054107d9a1"> 48</a></span>&#160;<a class="code" href="namespaceimpala.html#a81e39acff5a125a058cc0c2dc4a125c6">TEST</a>(PromiseTest, BasicTest) {</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <a class="code" href="classimpala_1_1Promise.html">Promise&lt;int64_t&gt;</a> promise;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; thread promise_setter(<a class="code" href="namespaceimpala.html#a0e78c080c7ed1f157e57d3eccb29c15c">RunThread</a>, &amp;promise);</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; DCHECK_EQ(promise.<a class="code" href="classimpala_1_1Promise.html#a8f2164acd412822ae61ee0b93825ce5e">Get</a>(), 100);</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;}</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;</div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a577d5d7fd0f20ff166429f23ca1e4a4d"> 55</a></span>&#160;<a class="code" href="namespaceimpala.html#a81e39acff5a125a058cc0c2dc4a125c6">TEST</a>(PromiseTest, TimeoutTest) {</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="comment">// Test that the promise can be fulfilled by setting a value.</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keywordtype">bool</span> timed_out = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <a class="code" href="classimpala_1_1Promise.html">Promise&lt;int64_t&gt;</a> fulfilled_promise;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; thread promise_setter(<a class="code" href="namespaceimpala.html#a0e78c080c7ed1f157e57d3eccb29c15c">RunThread</a>, &amp;fulfilled_promise);</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; DCHECK_EQ(fulfilled_promise.<a class="code" href="classimpala_1_1Promise.html#a8f2164acd412822ae61ee0b93825ce5e">Get</a>(10000, &amp;timed_out), 100);</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; DCHECK_EQ(timed_out, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="comment">// Test that the promise times out properly.</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; int64_t start_time, end_time;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; start_time = <a class="code" href="namespaceimpala.html#a565aa360015636825ddbb92f660f321c">MonotonicMillis</a>();</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; timed_out = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <a class="code" href="classimpala_1_1Promise.html">Promise&lt;int64_t&gt;</a> timedout_promise;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; timedout_promise.<a class="code" href="classimpala_1_1Promise.html#a8f2164acd412822ae61ee0b93825ce5e">Get</a>(1000, &amp;timed_out);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; DCHECK_EQ(timed_out, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; end_time = <a class="code" href="namespaceimpala.html#a565aa360015636825ddbb92f660f321c">MonotonicMillis</a>();</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; DCHECK_GE(end_time - start_time, 1000);</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;}</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a3f19b6f5953431b978f0524a5ea7ebd5"> 74</a></span>&#160;<a class="code" href="namespaceimpala.html#a81e39acff5a125a058cc0c2dc4a125c6">TEST</a>(PromiseDeathTest, RepeatedSetTest) {</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="comment">// This test intentionally causes a crash. Don&#39;t generate core files for it.</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <a class="code" href="structimpala_1_1ScopedLimitResetter.html">ScopedLimitResetter</a> resetter;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="comment">// Hint to gtest that only one thread is being used here. Multiple threads are unsafe</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="comment">// for &#39;death&#39; tests, see</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="comment">// https://code.google.com/p/googletest/wiki/AdvancedGuide#Death_Tests for more detail</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; ::testing::FLAGS_gtest_death_test_style = <span class="stringliteral">&quot;threadsafe&quot;</span>;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <a class="code" href="classimpala_1_1Promise.html">Promise&lt;int64_t&gt;</a> promise;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; promise.<a class="code" href="classimpala_1_1Promise.html#abf8dc89791be540e5914372b06eee286">Set</a>(100);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; ASSERT_DEATH(promise.<a class="code" href="classimpala_1_1Promise.html#abf8dc89791be540e5914372b06eee286">Set</a>(150), <span class="stringliteral">&quot;Called Set\\(\\.\\.\\) twice on the same Promise&quot;</span>);</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;}</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;}</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;</div>
<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="promise-test_8cc.html#a3c04138a5bfe5d72780bb7e82a18e627"> 89</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="promise-test_8cc.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv) {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; google::InitGoogleLogging(argv[0]);</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; ::testing::InitGoogleTest(&amp;argc, argv);</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordflow">return</span> RUN_ALL_TESTS();</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;}</div>
<div class="ttc" id="timestamp-value_8h_html"><div class="ttname"><a href="timestamp-value_8h.html">timestamp-value.h</a></div></div>
<div class="ttc" id="structimpala_1_1ScopedLimitResetter_html"><div class="ttname"><a href="structimpala_1_1ScopedLimitResetter.html">impala::ScopedLimitResetter</a></div><div class="ttdef"><b>Definition:</b> <a href="promise-test_8cc_source.html#l00027">promise-test.cc:27</a></div></div>
<div class="ttc" id="time_8h_html"><div class="ttname"><a href="time_8h.html">time.h</a></div></div>
<div class="ttc" id="classimpala_1_1Promise_html_abf8dc89791be540e5914372b06eee286"><div class="ttname"><a href="classimpala_1_1Promise.html#abf8dc89791be540e5914372b06eee286">impala::Promise::Set</a></div><div class="ttdeci">void Set(const T &amp;val)</div><div class="ttdef"><b>Definition:</b> <a href="promise_8h_source.html#l00038">promise.h:38</a></div></div>
<div class="ttc" id="structimpala_1_1ScopedLimitResetter_html_affdd5017065a3c04ef0e16915c95fa6b"><div class="ttname"><a href="structimpala_1_1ScopedLimitResetter.html#affdd5017065a3c04ef0e16915c95fa6b">impala::ScopedLimitResetter::ScopedLimitResetter</a></div><div class="ttdeci">ScopedLimitResetter()</div><div class="ttdef"><b>Definition:</b> <a href="promise-test_8cc_source.html#l00029">promise-test.cc:29</a></div></div>
<div class="ttc" id="classimpala_1_1Promise_html"><div class="ttname"><a href="classimpala_1_1Promise.html">impala::Promise</a></div><div class="ttdef"><b>Definition:</b> <a href="promise_8h_source.html#l00032">promise.h:32</a></div></div>
<div class="ttc" id="structimpala_1_1ScopedLimitResetter_html_ad990e530650d9796dc8ef03a342c9cd1"><div class="ttname"><a href="structimpala_1_1ScopedLimitResetter.html#ad990e530650d9796dc8ef03a342c9cd1">impala::ScopedLimitResetter::~ScopedLimitResetter</a></div><div class="ttdeci">~ScopedLimitResetter()</div><div class="ttdef"><b>Definition:</b> <a href="promise-test_8cc_source.html#l00036">promise-test.cc:36</a></div></div>
<div class="ttc" id="namespaceimpala_html_a81e39acff5a125a058cc0c2dc4a125c6"><div class="ttname"><a href="namespaceimpala.html#a81e39acff5a125a058cc0c2dc4a125c6">impala::TEST</a></div><div class="ttdeci">TEST(AtomicTest, Basic)</div><div class="ttdef"><b>Definition:</b> <a href="atomic-test_8cc_source.html#l00028">atomic-test.cc:28</a></div></div>
<div class="ttc" id="namespaceimpala_html_a0e78c080c7ed1f157e57d3eccb29c15c"><div class="ttname"><a href="namespaceimpala.html#a0e78c080c7ed1f157e57d3eccb29c15c">impala::RunThread</a></div><div class="ttdeci">void RunThread(Promise&lt; int64_t &gt; *promise)</div><div class="ttdef"><b>Definition:</b> <a href="promise-test_8cc_source.html#l00044">promise-test.cc:44</a></div></div>
<div class="ttc" id="promise_8h_html"><div class="ttname"><a href="promise_8h.html">promise.h</a></div></div>
<div class="ttc" id="promise-test_8cc_html_a3c04138a5bfe5d72780bb7e82a18e627"><div class="ttname"><a href="promise-test_8cc.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a></div><div class="ttdeci">int main(int argc, char **argv)</div><div class="ttdef"><b>Definition:</b> <a href="promise-test_8cc_source.html#l00089">promise-test.cc:89</a></div></div>
<div class="ttc" id="namespaceimpala_html_a565aa360015636825ddbb92f660f321c"><div class="ttname"><a href="namespaceimpala.html#a565aa360015636825ddbb92f660f321c">impala::MonotonicMillis</a></div><div class="ttdeci">int64_t MonotonicMillis()</div><div class="ttdef"><b>Definition:</b> <a href="time_8h_source.html#l00035">time.h:35</a></div></div>
<div class="ttc" id="classimpala_1_1Promise_html_a8f2164acd412822ae61ee0b93825ce5e"><div class="ttname"><a href="classimpala_1_1Promise.html#a8f2164acd412822ae61ee0b93825ce5e">impala::Promise::Get</a></div><div class="ttdeci">const T &amp; Get()</div><div class="ttdef"><b>Definition:</b> <a href="promise_8h_source.html#l00059">promise.h:59</a></div></div>
<div class="ttc" id="names_8h_html"><div class="ttname"><a href="names_8h.html">names.h</a></div></div>
<div class="ttc" id="structimpala_1_1ScopedLimitResetter_html_a7e9bb8bc71aae649b8baac3a03d11b89"><div class="ttname"><a href="structimpala_1_1ScopedLimitResetter.html#a7e9bb8bc71aae649b8baac3a03d11b89">impala::ScopedLimitResetter::limit_before_</a></div><div class="ttdeci">rlimit limit_before_</div><div class="ttdef"><b>Definition:</b> <a href="promise-test_8cc_source.html#l00041">promise-test.cc:41</a></div></div>
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