1 /*
2  * Copyright (c) 2011-2021, The DART development contributors
3  * All rights reserved.
4  *
5  * The list of contributors can be found at:
6  *   https://github.com/dartsim/dart/blob/master/LICENSE
7  *
8  * This file is provided under the following "BSD-style" License:
9  *   Redistribution and use in source and binary forms, with or
10  *   without modification, are permitted provided that the following
11  *   conditions are met:
12  *   * Redistributions of source code must retain the above copyright
13  *     notice, this list of conditions and the following disclaimer.
14  *   * Redistributions in binary form must reproduce the above
15  *     copyright notice, this list of conditions and the following
16  *     disclaimer in the documentation and/or other materials provided
17  *     with the distribution.
18  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
19  *   CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
20  *   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21  *   MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22  *   DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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25  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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29  *   ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  *   POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include <gtest/gtest.h>
34 
35 #include "dart/common/Timer.hpp"
36 
37 using namespace dart::common;
38 
39 //==============================================================================
TEST(Common,Timer)40 TEST(Common, Timer)
41 {
42   Timer timer1("Timer1");
43   Timer timer2("Timer2");
44 
45   // Run for 2 seconds
46   timer1.start();
47   for (int i = 0; i < 1e+3; ++i)
48   {
49     timer2.start();
50 #ifdef _WIN32
51     Sleep(2); // 2 milliseconds
52 #else
53     usleep(2000); // 2 milliseconds
54 #endif
55     timer2.stop();
56   }
57   timer1.stop();
58 
59   timer1.print();
60   timer2.print();
61 
62   // Both timer should have counted more than 2 seconds
63 #ifdef _WIN32
64   // On Windows, Sleep(2) takes less than exact 2 milliseconds..
65   EXPECT_GE(timer1.getTotalElapsedTime(), 1.99);
66   EXPECT_GE(timer2.getTotalElapsedTime(), 1.99);
67 #else
68   EXPECT_GE(timer1.getTotalElapsedTime(), 2.0);
69   EXPECT_GE(timer2.getTotalElapsedTime(), 2.0);
70 #endif
71 }
72