17d72a48ff
Since r69835 the stop watch remained paused even when Start() was called. Do resume it when restarting it both for backwards compatibility and because it makes more sense and also document this behaviour. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@69921 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
153 lines
3.5 KiB
C++
153 lines
3.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/events/stopwatch.cpp
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// Purpose: Test wxStopWatch class
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// Author: Francesco Montorsi (extracted from console sample)
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// Created: 2010-05-16
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// RCS-ID: $Id$
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// Copyright: (c) 2010 wxWidgets team
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///////////////////////////////////////////////////////////////////////////////
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#include "testprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#endif // WX_PRECOMP
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#include <time.h>
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#include "wx/stopwatch.h"
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#include "wx/utils.h"
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namespace
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{
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const long tolerance = 10; // in ms
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const int sleepTime = 500;
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} // anonymous namespace
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// --------------------------------------------------------------------------
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// test class
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// --------------------------------------------------------------------------
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class StopWatchTestCase : public CppUnit::TestCase
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{
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public:
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StopWatchTestCase() {}
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private:
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CPPUNIT_TEST_SUITE( StopWatchTestCase );
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CPPUNIT_TEST( Misc );
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CPPUNIT_TEST( BackwardsClockBug );
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CPPUNIT_TEST( RestartBug );
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CPPUNIT_TEST_SUITE_END();
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void Misc();
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void BackwardsClockBug();
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void RestartBug();
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DECLARE_NO_COPY_CLASS(StopWatchTestCase)
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};
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// register in the unnamed registry so that these tests are run by default
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CPPUNIT_TEST_SUITE_REGISTRATION( StopWatchTestCase );
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// also include in its own registry so that these tests can be run alone
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CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StopWatchTestCase, "StopWatchTestCase" );
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void StopWatchTestCase::Misc()
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{
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wxStopWatch sw;
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long t;
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wxLongLong usec;
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sw.Pause(); // pause it immediately
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// verify that almost no time elapsed
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usec = sw.TimeInMicro();
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WX_ASSERT_MESSAGE
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(
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("Elapsed time was %" wxLongLongFmtSpec "dus", usec),
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usec < tolerance*1000
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);
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wxSleep(1);
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t = sw.Time();
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// check that the stop watch doesn't advance while paused
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WX_ASSERT_MESSAGE
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(
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("Actual time value is %ld", t),
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t >= 0 && t < tolerance
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);
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sw.Resume();
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wxMilliSleep(sleepTime);
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t = sw.Time();
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// check that it did advance now by ~1.5s
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WX_ASSERT_MESSAGE
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(
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("Actual time value is %ld", t),
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t > sleepTime - tolerance && t < sleepTime + tolerance
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);
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sw.Pause();
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// check that this sleep won't be taken into account below
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wxMilliSleep(sleepTime);
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sw.Resume();
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wxMilliSleep(sleepTime);
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t = sw.Time();
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// and it should advance again
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WX_ASSERT_MESSAGE
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(
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("Actual time value is %ld", t),
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t > 2*sleepTime - tolerance && t < 2*sleepTime + tolerance
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);
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}
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void StopWatchTestCase::BackwardsClockBug()
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{
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wxStopWatch sw;
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wxStopWatch sw2;
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for ( size_t n = 0; n < 10; n++ )
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{
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sw2.Start();
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for ( size_t m = 0; m < 10000; m++ )
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{
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CPPUNIT_ASSERT ( sw.Time() >= 0 && sw2.Time() >= 0 );
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}
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}
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}
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void StopWatchTestCase::RestartBug()
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{
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wxStopWatch sw;
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sw.Pause();
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// Calling Start() should resume the stopwatch if it was paused.
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static const int offset = 5000;
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sw.Start(offset);
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wxMilliSleep(sleepTime);
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long t = sw.Time();
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WX_ASSERT_MESSAGE
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(
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("Actual time value is %ld", t),
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t > offset + sleepTime - tolerance &&
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t < offset + sleepTime + tolerance
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);
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}
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