tests/events/stopwatch.cpp

   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 it's 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     wxStopWatch sw;
  59     long tmp;
  60
  61     sw.Pause();         // pause it immediately
  62
  63     wxSleep(2);
  64     tmp = sw.Time();
  65     CPPUNIT_ASSERT(tmp >= 0 && tmp < 100);
  66             // should not have counted while paused!
  67
  68     sw.Resume();
  69     wxSleep(3);
  70     tmp = sw.Time();
  71     CPPUNIT_ASSERT(tmp >= 3000 && tmp < 4000);
  72
  73     sw.Pause();
  74     sw.Resume();
  75
  76     wxSleep(2);
  77     tmp = sw.Time();
  78     CPPUNIT_ASSERT(tmp >= 5000 && tmp < 6000);
  79 }
  80
  81 void StopWatchTestCase::BackwardsClockBug()
  82 {
  83     wxStopWatch sw;
  84     wxStopWatch sw2;
  85
  86     for ( size_t n = 0; n < 10; n++ )
  87     {
  88         sw2.Start();
  89
  90         for ( size_t m = 0; m < 10000; m++ )
  91         {
  92             CPPUNIT_ASSERT ( sw.Time() >= 0 && sw2.Time() >= 0 );
  93         }
  94     }
  95 }