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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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23 #include <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 |