Mercurial > irccd
comparison tests/elapsedtimer/main.cpp @ 0:1158cffe5a5e
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author | David Demelier <markand@malikania.fr> |
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date | Mon, 08 Feb 2016 16:43:14 +0100 |
parents | |
children | f8160d515a76 |
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-1:000000000000 | 0:1158cffe5a5e |
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1 /* | |
2 * main.cpp -- test ElapsedTimer | |
3 * | |
4 * Copyright (c) 2013-2016 David Demelier <markand@malikania.fr> | |
5 * | |
6 * Permission to use, copy, modify, and/or distribute this software for any | |
7 * purpose with or without fee is hereby granted, provided that the above | |
8 * copyright notice and this permission notice appear in all copies. | |
9 * | |
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
17 */ | |
18 | |
19 #include <thread> | |
20 | |
21 #include <gtest/gtest.h> | |
22 | |
23 #include <elapsed-timer.h> | |
24 | |
25 using namespace irccd; | |
26 using namespace std::chrono_literals; | |
27 | |
28 /* | |
29 * For all tests, we tolerate 30 ms because some systems have bigger lags. | |
30 */ | |
31 static constexpr int margin = 30; | |
32 | |
33 class TestElapsedTimer : public testing::Test { | |
34 protected: | |
35 ElapsedTimer m_timer; | |
36 | |
37 inline void assertRange(int value, int expected) const noexcept | |
38 { | |
39 if (value < (expected - margin) || value > (expected + margin)) | |
40 FAIL() << value << " is bigger than [" << (expected - margin) << ", " << (expected + margin) << "]"; | |
41 } | |
42 }; | |
43 | |
44 TEST_F(TestElapsedTimer, standard) | |
45 { | |
46 std::this_thread::sleep_for(300ms); | |
47 | |
48 assertRange(m_timer.elapsed(), 300); | |
49 } | |
50 | |
51 TEST_F(TestElapsedTimer, reset) | |
52 { | |
53 std::this_thread::sleep_for(300ms); | |
54 | |
55 m_timer.reset(); | |
56 | |
57 assertRange(m_timer.elapsed(), 0); | |
58 } | |
59 | |
60 TEST_F(TestElapsedTimer, pause) | |
61 { | |
62 /* | |
63 * Simulate a pause in the game like this: | |
64 * | |
65 * start pause restart elapsed | |
66 * | 10ms |.5ms.| 6ms | | |
67 * | |
68 * Since the game was paused, the 5ms must not be totalized. | |
69 */ | |
70 std::this_thread::sleep_for(10ms); | |
71 | |
72 m_timer.pause(); | |
73 | |
74 std::this_thread::sleep_for(5ms); | |
75 | |
76 m_timer.restart(); | |
77 | |
78 std::this_thread::sleep_for(6ms); | |
79 | |
80 assertRange(m_timer.elapsed(), 16); | |
81 } | |
82 | |
83 TEST_F(TestElapsedTimer, doublecheck) | |
84 { | |
85 std::this_thread::sleep_for(50ms); | |
86 | |
87 (void)m_timer.elapsed(); | |
88 | |
89 std::this_thread::sleep_for(50ms); | |
90 | |
91 assertRange(m_timer.elapsed(), 100); | |
92 } | |
93 | |
94 int main(int argc, char **argv) | |
95 { | |
96 testing::InitGoogleTest(&argc, argv); | |
97 | |
98 return RUN_ALL_TESTS(); | |
99 } | |
100 |