annotate tests/elapsedtimer/main.cpp @ 83:f1a3026027f1

CMake: fix invalid creation of pkg-config file ending in permanent CMake re-run
author David Demelier <markand@malikania.fr>
date Thu, 31 Mar 2016 14:07:53 +0200
parents f8160d515a76
children 1125d90b3b44
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1 /*
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2 * main.cpp -- test ElapsedTimer
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3 *
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4 * Copyright (c) 2013-2016 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #include <thread>
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20
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21 #include <gtest/gtest.h>
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22
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f8160d515a76 Irccd: rework a lot the JavaScript library
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23 #include <irccd/elapsed-timer.h>
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24
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25 using namespace irccd;
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26 using namespace std::chrono_literals;
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27
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28 /*
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29 * For all tests, we tolerate 30 ms because some systems have bigger lags.
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30 */
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31 static constexpr int margin = 30;
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32
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33 class TestElapsedTimer : public testing::Test {
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34 protected:
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35 ElapsedTimer m_timer;
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36
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37 inline void assertRange(int value, int expected) const noexcept
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38 {
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39 if (value < (expected - margin) || value > (expected + margin))
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40 FAIL() << value << " is bigger than [" << (expected - margin) << ", " << (expected + margin) << "]";
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41 }
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42 };
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43
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44 TEST_F(TestElapsedTimer, standard)
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45 {
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46 std::this_thread::sleep_for(300ms);
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47
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48 assertRange(m_timer.elapsed(), 300);
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49 }
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50
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51 TEST_F(TestElapsedTimer, reset)
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52 {
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53 std::this_thread::sleep_for(300ms);
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54
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55 m_timer.reset();
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56
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57 assertRange(m_timer.elapsed(), 0);
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58 }
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59
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60 TEST_F(TestElapsedTimer, pause)
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61 {
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62 /*
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63 * Simulate a pause in the game like this:
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64 *
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65 * start pause restart elapsed
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66 * | 10ms |.5ms.| 6ms |
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67 *
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68 * Since the game was paused, the 5ms must not be totalized.
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69 */
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70 std::this_thread::sleep_for(10ms);
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71
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72 m_timer.pause();
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73
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74 std::this_thread::sleep_for(5ms);
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75
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76 m_timer.restart();
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77
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78 std::this_thread::sleep_for(6ms);
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79
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80 assertRange(m_timer.elapsed(), 16);
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81 }
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82
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83 TEST_F(TestElapsedTimer, doublecheck)
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84 {
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85 std::this_thread::sleep_for(50ms);
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86
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87 (void)m_timer.elapsed();
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88
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89 std::this_thread::sleep_for(50ms);
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90
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91 assertRange(m_timer.elapsed(), 100);
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92 }
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93
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94 int main(int argc, char **argv)
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95 {
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96 testing::InitGoogleTest(&argc, argv);
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97
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98 return RUN_ALL_TESTS();
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99 }
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100