1 files changed, 111 insertions, 0 deletions
diff --git a/tests/auto/qelapsedtimer/tst_qelapsedtimer.cpp b/tests/auto/qelapsedtimer/tst_qelapsedtimer.cpp
new file mode 100644
index 0000000..5c3d4f8
--- /dev/null
+++ b/tests/auto/qelapsedtimer/tst_qelapsedtimer.cpp
@@ -0,0 +1,111 @@
+#include <QtCore/QString>
+#include <QtCore/QTime>
+#include <QtCore/QElapsedTimer>
+#include <QtTest/QtTest>
+
+static const int minResolution = 50; // the minimum resolution for the tests
+
+class tst_QElapsedTimer : public QObject
+{
+    Q_OBJECT
+
+private Q_SLOTS:
+    void statics();
+    void validity();
+    void basics();
+    void elapsed();
+};
+
+void tst_QElapsedTimer::statics()
+{
+    qDebug() << "Clock type is" << QElapsedTimer::clockType();
+    qDebug() << "Said clock is" << (QElapsedTimer::isMonotonic() ? "monotonic" : "not monotonic");
+    QElapsedTimer t;
+    t.start();
+    qDebug() << "Current time is" << t.msecsSinceReference();
+}
+
+void tst_QElapsedTimer::validity()
+{
+    QElapsedTimer t;
+
+    t.invalidate();
+    QVERIFY(!t.isValid());
+
+    t.start();
+    QVERIFY(t.isValid());
+
+    t.invalidate();
+    QVERIFY(!t.isValid());
+}
+
+void tst_QElapsedTimer::basics()
+{
+    QElapsedTimer t1;
+    t1.start();
+
+    QVERIFY(t1.msecsSinceReference() != 0);
+
+    QCOMPARE(t1, t1);
+    QVERIFY(!(t1 != t1));
+    QVERIFY(!(t1 < t1));
+    QCOMPARE(t1.msecsTo(t1), qint64(0));
+    QCOMPARE(t1.secsTo(t1), qint64(0));
+//    QCOMPARE(t1 + 0, t1);
+//    QCOMPARE(t1 - 0, t1);
+
+#if 0
+    QElapsedTimer t2 = t1;
+    t2 += 1000;   // so we can use secsTo
+
+    QVERIFY(t1 != t2);
+    QVERIFY(!(t1 == t2));
+    QVERIFY(t1 < t2);
+    QVERIFY(!(t2 < t1));
+    QCOMPARE(t1.msecsTo(t2), qint64(1000));
+    QCOMPARE(t1.secsTo(t2), qint64(1));
+//    QCOMPARE(t2 - t1, qint64(1000));
+//    QCOMPARE(t1 - t2, qint64(-1000));
+#endif
+
+    quint64 value1 = t1.msecsSinceReference();
+    qint64 elapsed = t1.restart();
+    quint64 value2 = t1.msecsSinceReference();
+    QCOMPARE(elapsed, qint64(value2 - value1));
+    QVERIFY(elapsed < minResolution);
+}
+
+void tst_QElapsedTimer::elapsed()
+{
+    QElapsedTimer t1;
+    t1.start();
+
+    QTest::qSleep(4*minResolution);
+    QElapsedTimer t2;
+    t2.start();
+
+    QVERIFY(t1 != t2);
+    QVERIFY(!(t1 == t2));
+    QVERIFY(t1 < t2);
+    QVERIFY(t1.msecsTo(t2) > 0);
+    // don't check: t1.secsTo(t2)
+//    QVERIFY(t1 - t2 < 0);
+
+    QVERIFY(t1.elapsed() > 0);
+    QVERIFY(t1.hasExpired(minResolution));
+    QVERIFY(!t1.hasExpired(8*minResolution));
+    QVERIFY(!t2.hasExpired(minResolution));
+
+    QVERIFY(!t1.hasExpired(-1));
+    QVERIFY(!t2.hasExpired(-1));
+
+    qint64 elapsed = t1.restart();
+    QVERIFY(elapsed > 3*minResolution);
+    QVERIFY(elapsed < 5*minResolution);
+    qint64 diff = t2.msecsTo(t1);
+    QVERIFY(diff < minResolution);
+}
+
+QTEST_MAIN(tst_QElapsedTimer);
+
+#include "tst_qelapsedtimer.moc"