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diff --git a/tests/benchmarks/gui/painting/qtbench/tst_qtbench.cpp b/tests/benchmarks/gui/painting/qtbench/tst_qtbench.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qtest.h>
+
+#include <QtGui>
+
+#include "benchmarktests.h"
+
+//TESTED_FILES=
+
+class BenchWidget : public QWidget
+{
+public:
+ BenchWidget(Benchmark *benchmark);
+
+ void paintEvent(QPaintEvent *event);
+
+ bool done() const { return m_done; }
+ qreal result() const { return m_result; }
+
+public:
+ QTime timer;
+
+ Benchmark *m_benchmark;
+
+ bool m_done;
+ qreal m_result;
+
+ uint m_total;
+ uint m_iteration;
+
+ QVector<uint> iterationTimes;
+};
+
+void BenchWidget::paintEvent(QPaintEvent *)
+{
+ if (m_done)
+ return;
+
+ QPainter p(this);
+
+ m_benchmark->begin(&p, 100);
+
+ PaintingRectAdjuster adjuster;
+ adjuster.setNewBenchmark(m_benchmark);
+ adjuster.reset(rect());
+
+ for (int i = 0; i < 100; ++i)
+ m_benchmark->draw(&p, adjuster.newPaintingRect(), i);
+
+ m_benchmark->end(&p);
+
+ ++m_iteration;
+
+ uint currentElapsed = timer.isNull() ? 0 : timer.elapsed();
+ timer.restart();
+
+ m_total += currentElapsed;
+
+ // warm up for at most 5 iterations or half a second
+ if (m_iteration >= 5 || m_total >= 500) {
+ iterationTimes << currentElapsed;
+
+ if (iterationTimes.size() >= 5) {
+ qreal mean = 0;
+ qreal stddev = 0;
+ uint min = INT_MAX;
+
+ for (int i = 0; i < iterationTimes.size(); ++i) {
+ mean += iterationTimes.at(i);
+ min = qMin(min, iterationTimes.at(i));
+ }
+
+ mean /= qreal(iterationTimes.size());
+
+ for (int i = 0; i < iterationTimes.size(); ++i) {
+ qreal delta = iterationTimes.at(i) - mean;
+ stddev += delta * delta;
+ }
+
+ stddev = qSqrt(stddev / iterationTimes.size());
+
+ stddev = 100 * stddev / mean;
+ // do 50 iterations, break earlier if we spend more than 5 seconds or have a low std deviation after 2 seconds
+ if (iterationTimes.size() >= 50 || m_total >= 5000 || (m_total >= 2000 && stddev < 4)) {
+ m_result = min;
+ m_done = true;
+ return;
+ }
+ }
+ }
+}
+
+BenchWidget::BenchWidget(Benchmark *benchmark)
+ : m_benchmark(benchmark)
+ , m_done(false)
+ , m_result(0)
+ , m_total(0)
+ , m_iteration(0)
+{
+ setWindowTitle(benchmark->name());
+ resize(640, 480);
+}
+
+class tst_QtBench : public QObject
+{
+ Q_OBJECT
+
+private slots:
+ void qtBench();
+ void qtBench_data();
+};
+
+QString makeString(int length)
+{
+ const char chars[] = "abcd efgh ijkl mnop qrst uvwx yz!$. ABCD 1234";
+ int len = strlen(chars);
+
+ QString ret;
+ for (int j = 0; j < length; j++) {
+ ret += QChar(chars[(j * 97) % len]);
+ }
+
+ return ret;
+}
+
+void tst_QtBench::qtBench_data()
+{
+ QTest::addColumn<void *>("benchmark");
+
+ QString shortString = makeString(5);
+ QString middleString = makeString(50);
+ QString longString = makeString(35) + "\n"
+ + makeString(45) + "\n"
+ + makeString(75);
+ QString superLongString = "Lorem ipsum dolor sit am\n"
+ "et, consectetur adipisci\n"
+ "ng elit. Integer mi leo,\n"
+ "interdum ut congue at, p\n"
+ "ulvinar et tellus. Quisq\n"
+ "ue pretium eleifend laci\n"
+ "nia. Ut semper gravida l\n"
+ "ectus in commodo. Vestib\n"
+ "ulum pharetra arcu in en\n"
+ "im ultrices hendrerit. P\n"
+ "ellentesque habitant mor\n"
+ "bi tristique senectus et\n"
+ "netus et malesuada fames\n"
+ "ac turpis egestas. Ut er\n"
+ "os sem, feugiat in eleme\n"
+ "ntum in, porta sit amet \n"
+ "neque. Fusce mi tellus, \n"
+ "congue non dapibus eget,\n"
+ "pharetra quis quam. Duis\n"
+ "dui massa, pulvinar ac s\n"
+ "odales pharetra, dictum \n"
+ "in enim. Phasellus a nis\n"
+ "i erat, sed pellentesque\n"
+ "mi. Curabitur sed.";
+
+ QList<Benchmark *> benchmarks;
+ benchmarks << (new DrawText(shortString, DrawText::PainterMode));
+ benchmarks << (new DrawText(middleString, DrawText::PainterMode));
+ benchmarks << (new DrawText(longString, DrawText::PainterMode));
+ benchmarks << (new DrawText(superLongString, DrawText::PainterMode));
+
+ benchmarks << (new DrawText(shortString, DrawText::PainterQPointMode));
+ benchmarks << (new DrawText(middleString, DrawText::PainterQPointMode));
+ benchmarks << (new DrawText(longString, DrawText::PainterQPointMode));
+ benchmarks << (new DrawText(superLongString, DrawText::PainterQPointMode));
+
+ benchmarks << (new DrawText(shortString, DrawText::PixmapMode));
+ benchmarks << (new DrawText(middleString, DrawText::PixmapMode));
+ benchmarks << (new DrawText(longString, DrawText::PixmapMode));
+ benchmarks << (new DrawText(superLongString, DrawText::PixmapMode));
+
+#if QT_VERSION >= 0x040700
+ benchmarks << (new DrawText(shortString, DrawText::StaticTextMode));
+ benchmarks << (new DrawText(middleString, DrawText::StaticTextMode));
+ benchmarks << (new DrawText(longString, DrawText::StaticTextMode));
+ benchmarks << (new DrawText(superLongString, DrawText::StaticTextMode));
+
+ benchmarks << (new DrawText(shortString, DrawText::StaticTextWithMaximumSizeMode));
+ benchmarks << (new DrawText(middleString, DrawText::StaticTextWithMaximumSizeMode));
+ benchmarks << (new DrawText(longString, DrawText::StaticTextWithMaximumSizeMode));
+ benchmarks << (new DrawText(superLongString, DrawText::StaticTextWithMaximumSizeMode));
+
+ benchmarks << (new DrawText(shortString, DrawText::StaticTextBackendOptimizations));
+ benchmarks << (new DrawText(middleString, DrawText::StaticTextBackendOptimizations));
+ benchmarks << (new DrawText(longString, DrawText::StaticTextBackendOptimizations));
+ benchmarks << (new DrawText(superLongString, DrawText::StaticTextBackendOptimizations));
+#endif
+
+ foreach (Benchmark *benchmark, benchmarks)
+ QTest::newRow(qPrintable(benchmark->name())) << reinterpret_cast<void *>(benchmark);
+}
+
+void tst_QtBench::qtBench()
+{
+ QFETCH(void *, benchmark);
+
+ BenchWidget widget(reinterpret_cast<Benchmark *>(benchmark));
+ widget.show();
+ QTest::qWaitForWindowShown(&widget);
+
+ while (!widget.done()) {
+ widget.update();
+ QApplication::processEvents();
+ }
+
+ QTest::setBenchmarkResult(widget.result(), QTest::WalltimeMilliseconds);
+}
+
+QTEST_MAIN(tst_QtBench)
+#include "tst_qtbench.moc"
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