2 files changed, 88 insertions, 0 deletions
diff --git a/tests/auto/selftests/benchlibtickcounter/benchlibtickcounter.pro b/tests/auto/selftests/benchlibtickcounter/benchlibtickcounter.pro
new file mode 100644
index 0000000..3d8cbfa
--- /dev/null
+++ b/tests/auto/selftests/benchlibtickcounter/benchlibtickcounter.pro
@@ -0,0 +1,8 @@
+load(qttest_p4)
+SOURCES += tst_benchlibtickcounter.cpp
+QT = core
+
+mac:CONFIG -= app_bundle
+CONFIG -= debug_and_release_target
+
+
diff --git a/tests/auto/selftests/benchlibtickcounter/tst_benchlibtickcounter.cpp b/tests/auto/selftests/benchlibtickcounter/tst_benchlibtickcounter.cpp
new file mode 100644
index 0000000..6b88cb6
--- /dev/null
+++ b/tests/auto/selftests/benchlibtickcounter/tst_benchlibtickcounter.cpp
@@ -0,0 +1,80 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtCore>
+#include <QtTest/QtTest>
+
+#include <private/cycle_p.h>
+
+class tst_BenchlibTickCounter: public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void threeBillionTicks();
+};
+
+void tst_BenchlibTickCounter::threeBillionTicks()
+{
+#ifndef HAVE_TICK_COUNTER
+    QSKIP("Tick counter not available on this platform", SkipAll);
+#else
+    QBENCHMARK {
+        CycleCounterTicks start = getticks();
+        double el = 0.;
+        double max = el;
+        while (el < 3000000000.) {
+            /* Verify that elapsed time never decreases */
+            QVERIFY2(el >= max, qPrintable(
+                QString("Tick counter is not monotonic\nElapsed moved from %1 to %2")
+                    .arg(max).arg(el)
+            ));
+            max = el;
+            el = elapsed(getticks(), start);
+        }
+    }
+#endif
+}
+
+QTEST_MAIN(tst_BenchlibTickCounter)
+
+#include "tst_benchlibtickcounter.moc"