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e93c194397
git-svn-id: https://mumble.svn.sourceforge.net/svnroot/mumble/trunk@1019 05730e5d-ab1b-0410-a4ac-84af385074fa
72 lines
998 B
C++
72 lines
998 B
C++
#include <QtCore>
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#include <QtTest>
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#include "Timer.h"
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class TestTimer : public QObject {
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Q_OBJECT
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private slots:
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void resolution();
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void accuracy();
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void atomicity();
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};
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void TestTimer::accuracy() {
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QTime a;
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Timer t;
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a.restart();
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t.restart();
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do {
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} while (a.elapsed() < 1000);
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QVERIFY(abs(t.elapsed() / 1000ULL - a.elapsed()) < 10);
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}
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void TestTimer::resolution() {
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QTime a;
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Timer t;
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a.restart();
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t.restart();
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quint64 achange = 0;
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quint64 tchange = 0;
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quint64 aelapsed = 0, telapsed = 0;
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do {
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quint64 ae = a.elapsed();
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quint64 te = t.elapsed();
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if (ae != aelapsed)
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achange++;
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if (te != telapsed)
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tchange++;
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aelapsed = ae;
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telapsed = te;
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} while (achange < 10);
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QVERIFY(tchange > (achange * 100));
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}
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void TestTimer::atomicity() {
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QTime t;
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Timer a, b;
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a = b;
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quint64 ttime = 0;
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t.restart();
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do {
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ttime += a.restart();
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} while (t.elapsed() < 10);
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QCOMPARE(ttime, b.elapsed());
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}
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QTEST_MAIN(TestTimer)
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#include "TestTimer.moc"
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