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1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: tests/events/stopwatch.cpp
3 // Purpose: Test wxStopWatch class
4 // Author: Francesco Montorsi (extracted from console sample)
5 // Created: 2010-05-16
6 // RCS-ID: $Id$
7 // Copyright: (c) 2010 wxWidgets team
8 ///////////////////////////////////////////////////////////////////////////////
9
10
11 // ----------------------------------------------------------------------------
12 // headers
13 // ----------------------------------------------------------------------------
14
15 #include "testprec.h"
16
17 #ifdef __BORLANDC__
18 #pragma hdrstop
19 #endif
20
21 #ifndef WX_PRECOMP
22 #endif // WX_PRECOMP
23
24 #include <time.h>
25
26 #include "wx/stopwatch.h"
27 #include "wx/utils.h"
28
29 // --------------------------------------------------------------------------
30 // test class
31 // --------------------------------------------------------------------------
32
33 class StopWatchTestCase : public CppUnit::TestCase
34 {
35 public:
36 StopWatchTestCase() {}
37
38 private:
39 CPPUNIT_TEST_SUITE( StopWatchTestCase );
40 CPPUNIT_TEST( Misc );
41 CPPUNIT_TEST( BackwardsClockBug );
42 CPPUNIT_TEST_SUITE_END();
43
44 void Misc();
45 void BackwardsClockBug();
46
47 DECLARE_NO_COPY_CLASS(StopWatchTestCase)
48 };
49
50 // register in the unnamed registry so that these tests are run by default
51 CPPUNIT_TEST_SUITE_REGISTRATION( StopWatchTestCase );
52
53 // also include in its own registry so that these tests can be run alone
54 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StopWatchTestCase, "StopWatchTestCase" );
55
56 void StopWatchTestCase::Misc()
57 {
58 static const long tolerance = 100; // in ms
59
60 wxStopWatch sw;
61 long t;
62
63 sw.Pause(); // pause it immediately
64
65 wxSleep(2);
66 t = sw.Time();
67
68 // check that the stop watch doesn't advance while paused
69 WX_ASSERT_MESSAGE
70 (
71 ("Actual time value is %ld", t),
72 t >= 0 && t < tolerance
73 );
74
75 sw.Resume();
76 wxSleep(3);
77 t = sw.Time();
78 // check that it did advance now by ~3s
79 WX_ASSERT_MESSAGE
80 (
81 ("Actual time value is %ld", t),
82 t > 3000 - tolerance && t < 3000 + tolerance
83 );
84
85 sw.Pause();
86 sw.Resume();
87
88 wxSleep(2);
89 t = sw.Time();
90
91 // and it should advance again
92 WX_ASSERT_MESSAGE
93 (
94 ("Actual time value is %ld", t),
95 t > 5000 - tolerance && t < 5000 + tolerance
96 );
97 }
98
99 void StopWatchTestCase::BackwardsClockBug()
100 {
101 wxStopWatch sw;
102 wxStopWatch sw2;
103
104 for ( size_t n = 0; n < 10; n++ )
105 {
106 sw2.Start();
107
108 for ( size_t m = 0; m < 10000; m++ )
109 {
110 CPPUNIT_ASSERT ( sw.Time() >= 0 && sw2.Time() >= 0 );
111 }
112 }
113 }