diff -r 000000000000 -r 1918ee327afb tests/auto/qsvgrenderer/tst_qsvgrenderer.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qsvgrenderer/tst_qsvgrenderer.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,1315 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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 <QtTest/QtTest>
+
+#include <qapplication.h>
+#include <qdebug.h>
+#include <qsvgrenderer.h>
+#include <qsvggenerator.h>
+#include <QPainter>
+#include <QPen>
+#include <QPicture>
+#include <QXmlStreamReader>
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class tst_QSvgRenderer : public QObject
+{
+Q_OBJECT
+
+public:
+    tst_QSvgRenderer();
+    virtual ~tst_QSvgRenderer();
+
+private slots:
+    void getSetCheck();
+    void inexistentUrl();
+    void emptyUrl();
+    void testStrokeWidth();
+    void testMapViewBoxToTarget();
+    void testRenderElement();
+    void constructorQXmlStreamReader() const;
+    void loadQXmlStreamReader() const;
+    void nestedQXmlStreamReader() const;
+    void stylePropagation() const;
+    void matrixForElement() const;
+    void gradientStops() const;
+    void gradientRefs();
+    void fillRule();
+    void opacity();
+    void paths();
+    void displayMode();
+    void strokeInherit();
+    void testFillInheritance();
+    void testStopOffsetOpacity();
+    void testUseElement();
+
+#ifndef QT_NO_COMPRESS
+    void testGzLoading();
+    void testGzHelper_data();
+    void testGzHelper();
+#endif
+
+private:
+    static const char *const src;
+};
+
+const char *const tst_QSvgRenderer::src = "<svg><g><rect x='250' y='250' width='500' height='500'/>"
+                                          "<rect id='foo' x='400' y='400' width='100' height='100'/></g></svg>";
+
+tst_QSvgRenderer::tst_QSvgRenderer()
+{
+}
+
+tst_QSvgRenderer::~tst_QSvgRenderer()
+{
+}
+
+// Testing get/set functions
+void tst_QSvgRenderer::getSetCheck()
+{
+    QSvgRenderer obj1;
+    // int QSvgRenderer::framesPerSecond()
+    // void QSvgRenderer::setFramesPerSecond(int)
+    obj1.setFramesPerSecond(20);
+    QCOMPARE(20, obj1.framesPerSecond());
+    obj1.setFramesPerSecond(0);
+    QCOMPARE(0, obj1.framesPerSecond());
+    obj1.setFramesPerSecond(INT_MIN);
+    QCOMPARE(0, obj1.framesPerSecond()); // Can't have a negative framerate
+    obj1.setFramesPerSecond(INT_MAX);
+    QCOMPARE(INT_MAX, obj1.framesPerSecond());
+}
+
+void tst_QSvgRenderer::inexistentUrl()
+{
+    const char *src = "<svg><g><path d=\"\" style=\"stroke:url(#inexistent)\"/></g></svg>";
+
+    QByteArray data(src);
+    QSvgRenderer renderer(data);
+
+    QVERIFY(renderer.isValid());
+}
+
+void tst_QSvgRenderer::emptyUrl()
+{
+    const char *src = "<svg><text fill=\"url()\" /></svg>";
+
+    QByteArray data(src);
+    QSvgRenderer renderer(data);
+
+    QVERIFY(renderer.isValid());
+}
+
+void tst_QSvgRenderer::testStrokeWidth()
+{
+    qreal squareSize = 30.0;
+    qreal strokeWidth = 1.0;
+    qreal topLeft = 100.0;
+
+    QSvgGenerator generator;
+
+    QBuffer buffer;
+    QByteArray byteArray;
+    buffer.setBuffer(&byteArray);
+    generator.setOutputDevice(&buffer);
+
+    QPainter painter(&generator);
+    painter.setBrush(Qt::blue);
+
+    // Draw a rect with stroke
+    painter.setPen(QPen(Qt::black, strokeWidth));
+    painter.drawRect(topLeft, topLeft, squareSize, squareSize);
+
+    // Draw a rect without stroke
+    painter.setPen(Qt::NoPen);
+    painter.drawRect(topLeft, topLeft, squareSize, squareSize);
+    painter.end();
+
+    // Insert ID tags into the document
+    byteArray.insert(byteArray.indexOf("stroke=\"#000000\""), "id=\"SquareStroke\" ");
+    byteArray.insert(byteArray.indexOf("stroke=\"none\""), "id=\"SquareNoStroke\" ");
+
+    QSvgRenderer renderer(byteArray);
+
+    QRectF noStrokeRect = renderer.boundsOnElement("SquareNoStroke");
+    QCOMPARE(noStrokeRect.width(), squareSize);
+    QCOMPARE(noStrokeRect.height(), squareSize);
+    QCOMPARE(noStrokeRect.x(), topLeft);
+    QCOMPARE(noStrokeRect.y(), topLeft);
+
+    QRectF strokeRect = renderer.boundsOnElement("SquareStroke");
+    QCOMPARE(strokeRect.width(), squareSize + strokeWidth);
+    QCOMPARE(strokeRect.height(), squareSize + strokeWidth);
+    QCOMPARE(strokeRect.x(), topLeft - (strokeWidth / 2));
+    QCOMPARE(strokeRect.y(), topLeft - (strokeWidth / 2));
+}
+
+void tst_QSvgRenderer::testMapViewBoxToTarget()
+{
+    const char *src = "<svg><g><rect x=\"250\" y=\"250\" width=\"500\" height=\"500\" /></g></svg>";
+    QByteArray data(src);
+
+    { // No viewport, viewBox, targetRect, or deviceRect -> boundingRect
+        QPicture picture;
+        QPainter painter(&picture);
+        QSvgRenderer rend(data);
+        rend.render(&painter);
+        painter.end();
+        QCOMPARE(picture.boundingRect(), QRect(0, 0, 500, 500));
+    }
+
+    { // No viewport, viewBox, targetRect -> deviceRect
+        QPicture picture;
+        picture.setBoundingRect(QRect(100, 100, 200, 200));
+        QPainter painter(&picture);
+        QSvgRenderer rend(data);
+        rend.render(&painter);
+        painter.end();
+        QCOMPARE(picture.boundingRect(), QRect(100, 100, 200, 200));
+    }
+
+    { // No viewport, viewBox -> targetRect
+        QPicture picture;
+        QPainter painter(&picture);
+        QSvgRenderer rend(data);
+        rend.render(&painter, QRectF(50, 50, 250, 250));
+        painter.end();
+        QCOMPARE(picture.boundingRect(), QRect(50, 50, 250, 250));
+
+    }
+
+    data.replace("<svg>", "<svg viewBox=\"0 0 1000 1000\">");
+
+    { // No viewport, no targetRect -> viewBox
+        QPicture picture;
+        QPainter painter(&picture);
+        QSvgRenderer rend(data);
+        rend.render(&painter);
+        painter.end();
+        QCOMPARE(picture.boundingRect(), QRect(250, 250, 500, 500));
+    }
+
+    data.replace("<svg", "<svg width=\"500\" height=\"500\"");
+
+    { // Viewport
+        QPicture picture;
+        QPainter painter(&picture);
+        QSvgRenderer rend(data);
+        rend.render(&painter);
+        painter.end();
+        QCOMPARE(picture.boundingRect(), QRect(125, 125, 250, 250));
+    }
+
+}
+
+void tst_QSvgRenderer::testRenderElement()
+{
+    QByteArray data(src);
+
+    { // No viewport, viewBox, targetRect, or deviceRect -> boundingRect
+        QPicture picture;
+        QPainter painter(&picture);
+        QSvgRenderer rend(data);
+        rend.render(&painter, QLatin1String("foo"));
+        painter.end();
+        QCOMPARE(picture.boundingRect(), QRect(0, 0, 100, 100));
+    }
+
+    { // No viewport, viewBox, targetRect -> deviceRect
+        QPicture picture;
+        picture.setBoundingRect(QRect(100, 100, 200, 200));
+        QPainter painter(&picture);
+        QSvgRenderer rend(data);
+        rend.render(&painter, QLatin1String("foo"));
+        painter.end();
+        QCOMPARE(picture.boundingRect(), QRect(100, 100, 200, 200));
+    }
+
+    { // No viewport, viewBox -> targetRect
+        QPicture picture;
+        QPainter painter(&picture);
+        QSvgRenderer rend(data);
+        rend.render(&painter, QLatin1String("foo"), QRectF(50, 50, 250, 250));
+        painter.end();
+        QCOMPARE(picture.boundingRect(), QRect(50, 50, 250, 250));
+
+    }
+
+    data.replace("<svg>", "<svg viewBox=\"0 0 1000 1000\">");
+
+    { // No viewport, no targetRect -> view box size
+        QPicture picture;
+        QPainter painter(&picture);
+        QSvgRenderer rend(data);
+        rend.render(&painter, QLatin1String("foo"));
+        painter.end();
+        QCOMPARE(picture.boundingRect(), QRect(0, 0, 100, 100));
+    }
+
+    data.replace("<svg", "<svg width=\"500\" height=\"500\"");
+
+    { // Viewport
+        QPicture picture;
+        QPainter painter(&picture);
+        QSvgRenderer rend(data);
+        rend.render(&painter, QLatin1String("foo"));
+        painter.end();
+        QCOMPARE(picture.boundingRect(), QRect(0, 0, 100, 100));
+    }
+
+}
+
+void tst_QSvgRenderer::constructorQXmlStreamReader() const
+{
+    const QByteArray data(src);
+
+    QXmlStreamReader reader(data);
+
+    QPicture picture;
+    QPainter painter(&picture);
+    QSvgRenderer rend(&reader);
+    rend.render(&painter, QLatin1String("foo"));
+    painter.end();
+    QCOMPARE(picture.boundingRect(), QRect(0, 0, 100, 100));
+}
+
+void tst_QSvgRenderer::loadQXmlStreamReader() const
+{
+    const QByteArray data(src);
+
+    QXmlStreamReader reader(data);
+    QPicture picture;
+    QPainter painter(&picture);
+    QSvgRenderer rend;
+    rend.load(&reader);
+    rend.render(&painter, QLatin1String("foo"));
+    painter.end();
+    QCOMPARE(picture.boundingRect(), QRect(0, 0, 100, 100));
+}
+
+
+void tst_QSvgRenderer::nestedQXmlStreamReader() const
+{
+    const QByteArray data(QByteArray("<bar>") + QByteArray(src) + QByteArray("</bar>"));
+
+    QXmlStreamReader reader(data);
+
+    QCOMPARE(reader.readNext(), QXmlStreamReader::StartDocument);
+    QCOMPARE(reader.readNext(), QXmlStreamReader::StartElement);
+    QCOMPARE(reader.name().toString(), QLatin1String("bar"));
+
+    QPicture picture;
+    QPainter painter(&picture);
+    QSvgRenderer renderer(&reader);
+    renderer.render(&painter, QLatin1String("foo"));
+    painter.end();
+    QCOMPARE(picture.boundingRect(), QRect(0, 0, 100, 100));
+
+    QCOMPARE(reader.readNext(), QXmlStreamReader::EndElement);
+    QCOMPARE(reader.name().toString(), QLatin1String("bar"));
+    QCOMPARE(reader.readNext(), QXmlStreamReader::EndDocument);
+
+    QVERIFY(reader.atEnd());
+    QVERIFY(!reader.hasError());
+}
+
+void tst_QSvgRenderer::stylePropagation() const
+{
+    QByteArray data("<svg>"
+                      "<g id='foo' style='fill:#ffff00;'>"
+                        "<g id='bar' style='fill:#ff00ff;'>"
+                          "<g id='baz' style='fill:#00ffff;'>"
+                            "<rect id='alpha' x='0' y='0' width='100' height='100'/>"
+                          "</g>"
+                          "<rect id='beta' x='100' y='0' width='100' height='100'/>"
+                        "</g>"
+                        "<rect id='gamma' x='0' y='100' width='100' height='100'/>"
+                      "</g>"
+                      "<rect id='delta' x='100' y='100' width='100' height='100'/>"
+                    "</svg>"); // alpha=cyan, beta=magenta, gamma=yellow, delta=black
+
+    QImage image1(200, 200, QImage::Format_RGB32);
+    QImage image2(200, 200, QImage::Format_RGB32);
+    QImage image3(200, 200, QImage::Format_RGB32);
+    QPainter painter;
+    QSvgRenderer renderer(data);
+    QLatin1String parts[4] = {QLatin1String("alpha"), QLatin1String("beta"), QLatin1String("gamma"), QLatin1String("delta")};
+
+    QVERIFY(painter.begin(&image1));
+    for (int i = 0; i < 4; ++i)
+        renderer.render(&painter, parts[i], QRectF(renderer.boundsOnElement(parts[i])));
+    painter.end();
+
+    QVERIFY(painter.begin(&image2));
+    renderer.render(&painter, renderer.viewBoxF());
+    painter.end();
+
+    QVERIFY(painter.begin(&image3));
+    painter.setPen(Qt::NoPen);
+    painter.setBrush(QBrush(Qt::cyan));
+    painter.drawRect(0, 0, 100, 100);
+    painter.setBrush(QBrush(Qt::magenta));
+    painter.drawRect(100, 0, 100, 100);
+    painter.setBrush(QBrush(Qt::yellow));
+    painter.drawRect(0, 100, 100, 100);
+    painter.setBrush(QBrush(Qt::black));
+    painter.drawRect(100, 100, 100, 100);
+    painter.end();
+
+    QCOMPARE(image1, image2);
+    QCOMPARE(image1, image3);
+}
+
+static qreal transformNorm(const QTransform &m)
+{
+    return qSqrt(m.m11() * m.m11()
+        + m.m12() * m.m12()
+        + m.m13() * m.m13()
+        + m.m21() * m.m21()
+        + m.m22() * m.m22()
+        + m.m23() * m.m23()
+        + m.m31() * m.m31()
+        + m.m32() * m.m32()
+        + m.m33() * m.m33());
+}
+
+static bool diffIsSmallEnough(double diff, double norm)
+{
+    return diff <= 1e-12 * norm;
+}
+
+static bool diffIsSmallEnough(float diff, float norm)
+{
+    return diff <= 1e-5 * norm;
+}
+
+static void compareTransforms(const QTransform &m1, const QTransform &m2)
+{
+    qreal norm1 = transformNorm(m1);
+    qreal norm2 = transformNorm(m2);
+    qreal diffNorm = transformNorm(QTransform(m1.m11() - m2.m11(),
+                                              m1.m12() - m2.m12(),
+                                              m1.m13() - m2.m13(),
+                                              m1.m21() - m2.m21(),
+                                              m1.m22() - m2.m22(),
+                                              m1.m23() - m2.m23(),
+                                              m1.m31() - m2.m31(),
+                                              m1.m32() - m2.m32(),
+                                              m1.m33() - m2.m33()));
+    QVERIFY(diffIsSmallEnough(diffNorm, qMin(norm1, norm2)));
+}
+
+void tst_QSvgRenderer::matrixForElement() const
+{
+    QByteArray data("<svg>"
+                      "<g id='ichi' transform='translate(-3,1)'>"
+                        "<g id='ni' transform='rotate(45)'>"
+                          "<g id='san' transform='scale(4,2)'>"
+                            "<g id='yon' transform='matrix(1,2,3,4,5,6)'>"
+                              "<rect id='firkant' x='-1' y='-1' width='2' height='2'/>"
+                            "</g>"
+                          "</g>"
+                        "</g>"
+                      "</g>"
+                    "</svg>");
+
+    QImage image(13, 37, QImage::Format_RGB32);
+    QPainter painter(&image);
+    QSvgRenderer renderer(data);
+
+    compareTransforms(QTransform(painter.worldMatrix()), QTransform(renderer.matrixForElement(QLatin1String("ichi"))));
+    painter.translate(-3, 1);
+    compareTransforms(QTransform(painter.worldMatrix()), QTransform(renderer.matrixForElement(QLatin1String("ni"))));
+    painter.rotate(45);
+    compareTransforms(QTransform(painter.worldMatrix()), QTransform(renderer.matrixForElement(QLatin1String("san"))));
+    painter.scale(4, 2);
+    compareTransforms(QTransform(painter.worldMatrix()), QTransform(renderer.matrixForElement(QLatin1String("yon"))));
+    painter.setWorldMatrix(QMatrix(1, 2, 3, 4, 5, 6), true);
+    compareTransforms(QTransform(painter.worldMatrix()), QTransform(renderer.matrixForElement(QLatin1String("firkant"))));
+}
+
+void tst_QSvgRenderer::gradientStops() const
+{
+    {
+        QByteArray data("<svg>"
+                          "<defs>"
+                            "<linearGradient id=\"gradient\">"
+                            "</linearGradient>"
+                          "</defs>"
+                          "<rect fill=\"url(#gradient)\" height=\"64\" width=\"64\" x=\"0\" y=\"0\"/>"
+                        "</svg>");
+        QSvgRenderer renderer(data);
+
+        QImage image(64, 64, QImage::Format_ARGB32_Premultiplied), refImage(64, 64, QImage::Format_ARGB32_Premultiplied);
+        image.fill(0x87654321);
+        refImage.fill(0x87654321);
+
+        QPainter painter(&image);
+        renderer.render(&painter);
+        QCOMPARE(image, refImage);
+    }
+
+    {
+        QByteArray data("<svg>"
+                          "<defs>"
+                            "<linearGradient id=\"gradient\">"
+                              "<stop offset=\"1\" stop-color=\"cyan\"/>"
+                            "</linearGradient>"
+                          "</defs>"
+                          "<rect fill=\"url(#gradient)\" height=\"64\" width=\"64\" x=\"0\" y=\"0\"/>"
+                        "</svg>");
+        QSvgRenderer renderer(data);
+
+        QImage image(64, 64, QImage::Format_ARGB32_Premultiplied), refImage(64, 64, QImage::Format_ARGB32_Premultiplied);
+        refImage.fill(0xff00ffff);
+
+        QPainter painter(&image);
+        renderer.render(&painter);
+        QCOMPARE(image, refImage);
+    }
+
+    {
+        QByteArray data("<svg>"
+                          "<defs>"
+                            "<linearGradient id=\"gradient\">"
+                              "<stop offset=\"0\" stop-color=\"red\"/>"
+                              "<stop offset=\"0\" stop-color=\"cyan\"/>"
+                              "<stop offset=\"0.5\" stop-color=\"cyan\"/>"
+                              "<stop offset=\"0.5\" stop-color=\"magenta\"/>"
+                              "<stop offset=\"0.5\" stop-color=\"yellow\"/>"
+                              "<stop offset=\"1\" stop-color=\"yellow\"/>"
+                              "<stop offset=\"1\" stop-color=\"blue\"/>"
+                            "</linearGradient>"
+                          "</defs>"
+                          "<rect fill=\"url(#gradient)\" height=\"64\" width=\"64\" x=\"0\" y=\"0\"/>"
+                        "</svg>");
+        QSvgRenderer renderer(data);
+
+        QImage image(64, 64, QImage::Format_ARGB32_Premultiplied), refImage(64, 64, QImage::Format_ARGB32_Premultiplied);
+
+        QPainter painter;
+        painter.begin(&refImage);
+        painter.fillRect(QRectF(0, 0, 32, 64), Qt::cyan);
+        painter.fillRect(QRectF(32, 0, 32, 64), Qt::yellow);
+        painter.end();
+
+        painter.begin(&image);
+        renderer.render(&painter);
+        painter.end();
+
+        QCOMPARE(image, refImage);
+    }
+}
+
+void tst_QSvgRenderer::gradientRefs()
+{
+    const char *svgs[] = {
+        "<svg>"
+            "<defs>"
+                "<linearGradient id=\"gradient\">"
+                    "<stop offset=\"0\" stop-color=\"red\" stop-opacity=\"0\"/>"
+                    "<stop offset=\"1\" stop-color=\"blue\"/>"
+                "</linearGradient>"
+            "</defs>"
+            "<rect fill=\"url(#gradient)\" height=\"8\" width=\"256\" x=\"0\" y=\"0\"/>"
+        "</svg>",
+        "<svg>"
+            "<defs>"
+                "<linearGradient id=\"gradient\" xlink:href=\"#gradient0\">"
+                "</linearGradient>"
+                "<linearGradient id=\"gradient0\">"
+                    "<stop offset=\"0\" stop-color=\"red\" stop-opacity=\"0\"/>"
+                    "<stop offset=\"1\" stop-color=\"blue\"/>"
+                "</linearGradient>"
+            "</defs>"
+            "<rect fill=\"url(#gradient)\" height=\"8\" width=\"256\" x=\"0\" y=\"0\"/>"
+        "</svg>",
+        "<svg>"
+            "<defs>"
+                "<linearGradient id=\"gradient0\">"
+                    "<stop offset=\"0\" stop-color=\"red\" stop-opacity=\"0\"/>"
+                    "<stop offset=\"1\" stop-color=\"blue\"/>"
+                "</linearGradient>"
+                "<linearGradient id=\"gradient\" xlink:href=\"#gradient0\">"
+                "</linearGradient>"
+            "</defs>"
+            "<rect fill=\"url(#gradient)\" height=\"8\" width=\"256\" x=\"0\" y=\"0\"/>"
+        "</svg>",
+        "<svg>"
+            "<rect fill=\"url(#gradient)\" height=\"8\" width=\"256\" x=\"0\" y=\"0\"/>"
+            "<defs>"
+                "<linearGradient id=\"gradient0\">"
+                    "<stop offset=\"0\" stop-color=\"red\" stop-opacity=\"0\"/>"
+                    "<stop offset=\"1\" stop-color=\"blue\"/>"
+                "</linearGradient>"
+                "<linearGradient id=\"gradient\" xlink:href=\"#gradient0\">"
+                "</linearGradient>"
+            "</defs>"
+        "</svg>"
+    };
+    for (int i = 0 ; i < sizeof(svgs) / sizeof(svgs[0]) ; ++i)
+    {
+        QByteArray data = svgs[i];
+        QSvgRenderer renderer(data);
+
+        QImage image(256, 8, QImage::Format_ARGB32_Premultiplied);
+        image.fill(0);
+
+        QPainter painter(&image);
+        renderer.render(&painter);
+
+        const QRgb *line = reinterpret_cast<QRgb *>(image.scanLine(3));
+        QRgb left = line[0]; // transparent black
+        QRgb mid = line[127]; // semi transparent magenta
+        QRgb right = line[255]; // opaque blue
+
+        QVERIFY((qAlpha(left) < 3) && (qRed(left) < 3) && (qGreen(left) == 0) && (qBlue(left) < 3));
+        QVERIFY((qAbs(qAlpha(mid) - 127) < 3) && (qAbs(qRed(mid) - 63) < 4) && (qGreen(mid) == 0) && (qAbs(qBlue(mid) - 63) < 4));
+        QVERIFY((qAlpha(right) > 253) && (qRed(right) < 3) && (qGreen(right) == 0) && (qBlue(right) > 251));
+    }
+}
+
+
+#ifndef QT_NO_COMPRESS
+void tst_QSvgRenderer::testGzLoading()
+{
+    QSvgRenderer renderer(QLatin1String("heart.svgz"));
+    QVERIFY(renderer.isValid());
+
+    QSvgRenderer resourceRenderer(QLatin1String(":/heart.svgz"));
+    QVERIFY(resourceRenderer.isValid());
+
+    QFile largeFileGz("large.svgz");
+    largeFileGz.open(QIODevice::ReadOnly);
+    QByteArray data = largeFileGz.readAll();
+    QSvgRenderer autoDetectGzData(data);
+    QVERIFY(autoDetectGzData.isValid());
+}
+
+#ifdef QT_BUILD_INTERNAL
+QT_BEGIN_NAMESPACE
+QByteArray qt_inflateGZipDataFrom(QIODevice *device);
+QT_END_NAMESPACE
+#endif
+
+void tst_QSvgRenderer::testGzHelper_data()
+{
+    QTest::addColumn<QByteArray>("in");
+    QTest::addColumn<QByteArray>("out");
+
+    QTest::newRow("empty") << QByteArray() << QByteArray();
+    QTest::newRow("small") << QByteArray::fromHex(QByteArray("1f8b08005819934800034b"
+            "cbcfe70200a865327e04000000")) << QByteArray("foo\n");
+
+    QFile largeFileGz("large.svgz");
+    largeFileGz.open(QIODevice::ReadOnly);
+    QFile largeFile("large.svg");
+    largeFile.open(QIODevice::ReadOnly);
+    QTest::newRow("large") << largeFileGz.readAll() << largeFile.readAll();
+
+    QTest::newRow("zeroes") << QByteArray::fromHex(QByteArray("1f8b0800131f9348000333"
+            "301805a360148c54c00500d266708601040000")) << QByteArray(1024, '0').append('\n');
+
+    QTest::newRow("twoMembers") << QByteArray::fromHex(QByteArray("1f8b08001c2a934800034b"
+            "cbcfe70200a865327e040000001f8b08001c2a934800034b4a2ce20200e9b3a20404000000"))
+        << QByteArray("foo\nbar\n");
+
+    // We should still get data of the first member if subsequent members are corrupt
+    QTest::newRow("corruptedSecondMember") << QByteArray::fromHex(QByteArray("1f8b08001c2a934800034b"
+            "cbcfe70200a865327e040000001f8c08001c2a934800034b4a2ce20200e9b3a20404000000"))
+        << QByteArray("foo\n");
+
+}
+
+void tst_QSvgRenderer::testGzHelper()
+{
+#ifdef QT_BUILD_INTERNAL
+    QFETCH(QByteArray, in);
+    QFETCH(QByteArray, out);
+
+    QBuffer buffer(&in);
+    buffer.open(QIODevice::ReadOnly);
+    QVERIFY(buffer.isReadable());
+    QByteArray result = qt_inflateGZipDataFrom(&buffer);
+    QCOMPARE(result, out);
+#endif
+}
+#endif
+
+void tst_QSvgRenderer::fillRule()
+{
+    static const char *svgs[] = {
+        // Paths
+        // Default fill-rule (nonzero)
+        "<svg>"
+        "   <rect x=\"0\" y=\"0\" height=\"30\" width=\"30\" fill=\"blue\" />"
+        "   <path d=\"M10 0 L30 0 L30 30 L0 30 L0 10 L20 10 L20 20 L10 20 Z\" fill=\"red\" />"
+        "</svg>",
+        // nonzero
+        "<svg>"
+        "   <rect x=\"0\" y=\"0\" height=\"30\" width=\"30\" fill=\"blue\" />"
+        "   <path d=\"M10 0 L30 0 L30 30 L0 30 L0 10 L20 10 L20 20 L10 20 Z\" fill=\"red\" fill-rule=\"nonzero\" />"
+        "</svg>",
+        // evenodd
+        "<svg>"
+        "   <rect x=\"0\" y=\"0\" height=\"30\" width=\"30\" fill=\"blue\" />"
+        "   <path d=\"M10 0 L30 0 L30 30 L0 30 L0 10 L20 10 L20 20 L10 20 Z\" fill=\"red\" fill-rule=\"evenodd\" />"
+        "</svg>",
+
+        // Polygons
+        // Default fill-rule (nonzero)
+        "<svg>"
+        "   <rect x=\"0\" y=\"0\" height=\"30\" width=\"30\" fill=\"blue\" />"
+        "   <polygon points=\"10 0 30 0 30 30 0 30 0 10 20 10 20 20 10 20\" fill=\"red\" />"
+        "</svg>",
+        // nonzero
+        "<svg>"
+        "   <rect x=\"0\" y=\"0\" height=\"30\" width=\"30\" fill=\"blue\" />"
+        "   <polygon points=\"10 0 30 0 30 30 0 30 0 10 20 10 20 20 10 20\" fill=\"red\" fill-rule=\"nonzero\" />"
+        "</svg>",
+        // evenodd
+        "<svg>"
+        "   <rect x=\"0\" y=\"0\" height=\"30\" width=\"30\" fill=\"blue\" />"
+        "   <polygon points=\"10 0 30 0 30 30 0 30 0 10 20 10 20 20 10 20\" fill=\"red\" fill-rule=\"evenodd\" />"
+        "</svg>"
+    };
+
+    const int COUNT = sizeof(svgs) / sizeof(svgs[0]);
+    QImage refImageNonZero(30, 30, QImage::Format_ARGB32_Premultiplied);
+    QImage refImageEvenOdd(30, 30, QImage::Format_ARGB32_Premultiplied);
+    refImageNonZero.fill(0xffff0000);
+    refImageEvenOdd.fill(0xffff0000);
+    QPainter p;
+    p.begin(&refImageNonZero);
+    p.fillRect(QRectF(0, 0, 10, 10), Qt::blue);
+    p.end();
+    p.begin(&refImageEvenOdd);
+    p.fillRect(QRectF(0, 0, 10, 10), Qt::blue);
+    p.fillRect(QRectF(10, 10, 10, 10), Qt::blue);
+    p.end();
+
+    for (int i = 0; i < COUNT; ++i) {
+        QByteArray data(svgs[i]);
+        QSvgRenderer renderer(data);
+        QImage image(30, 30, QImage::Format_ARGB32_Premultiplied);
+        image.fill(0);
+        p.begin(&image);
+        renderer.render(&p);
+        p.end();
+        QCOMPARE(image, i % 3 == 2 ? refImageEvenOdd : refImageNonZero);
+    }
+}
+
+static void opacity_drawSvgAndVerify(const QByteArray &data)
+{
+    QSvgRenderer renderer(data);
+    QVERIFY(renderer.isValid());
+    QImage image(10, 10, QImage::Format_ARGB32_Premultiplied);
+    image.fill(0xffff00ff);
+    QPainter painter(&image);
+    renderer.render(&painter);
+    painter.end();
+    QCOMPARE(image.pixel(5, 5), 0xff7f7f7f);
+}
+
+void tst_QSvgRenderer::opacity()
+{
+    static const char *opacities[] = {"-1.4641", "0", "0.5", "1", "1.337"};
+    static const char *firstColors[] = {"#7f7f7f", "#7f7f7f", "#402051", "blue", "#123456"};
+    static const char *secondColors[] = {"red", "#bad", "#bedead", "#7f7f7f", "#7f7f7f"};
+
+    // Fill-opacity
+    for (int i = 0; i < 5; ++i) {
+        QByteArray data("<svg><rect x=\"0\" y=\"0\" height=\"10\" width=\"10\" fill=\"");
+        data.append(firstColors[i]);
+        data.append("\"/><rect x=\"0\" y=\"0\" height=\"10\" width=\"10\" fill=\"");
+        data.append(secondColors[i]);
+        data.append("\" fill-opacity=\"");
+        data.append(opacities[i]);
+        data.append("\"/></svg>");
+        opacity_drawSvgAndVerify(data);
+    }
+    // Stroke-opacity
+    for (int i = 0; i < 5; ++i) {
+        QByteArray data("<svg viewBox=\"0 0 10 10\"><polyline points=\"0 5 10 5\" fill=\"none\" stroke=\"");
+        data.append(firstColors[i]);
+        data.append("\" stroke-width=\"10\"/><line x1=\"5\" y1=\"0\" x2=\"5\" y2=\"10\" fill=\"none\" stroke=\"");
+        data.append(secondColors[i]);
+        data.append("\" stroke-width=\"10\" stroke-opacity=\"");
+        data.append(opacities[i]);
+        data.append("\"/></svg>");
+        opacity_drawSvgAndVerify(data);
+    }
+    // As gradients:
+    // Fill-opacity
+    for (int i = 0; i < 5; ++i) {
+        QByteArray data("<svg><defs><linearGradient id=\"gradient\"><stop offset=\"0\" stop-color=\"");
+        data.append(secondColors[i]);
+        data.append("\"/><stop offset=\"1\" stop-color=\"");
+        data.append(secondColors[i]);
+        data.append("\"/></linearGradient></defs><rect x=\"0\" y=\"0\" height=\"10\" width=\"10\" fill=\"");
+        data.append(firstColors[i]);
+        data.append("\"/><rect x=\"0\" y=\"0\" height=\"10\" width=\"10\" fill=\"url(#gradient)\" fill-opacity=\"");
+        data.append(opacities[i]);
+        data.append("\"/></svg>");
+        opacity_drawSvgAndVerify(data);
+    }
+    // Stroke-opacity
+    for (int i = 0; i < 5; ++i) {
+        QByteArray data("<svg viewBox=\"0 0 10 10\"><defs><linearGradient id=\"grad\"><stop offset=\"0\" stop-color=\"");
+        data.append(secondColors[i]);
+        data.append("\"/><stop offset=\"1\" stop-color=\"");
+        data.append(secondColors[i]);
+        data.append("\"/></linearGradient></defs><polyline points=\"0 5 10 5\" fill=\"none\" stroke=\"");
+        data.append(firstColors[i]);
+        data.append("\" stroke-width=\"10\" /><line x1=\"5\" y1=\"0\" x2=\"5\" y2=\"10\" fill=\"none\" stroke=\"url(#grad)\" stroke-width=\"10\" stroke-opacity=\"");
+        data.append(opacities[i]);
+        data.append("\" /></svg>");
+        opacity_drawSvgAndVerify(data);
+    }
+}
+
+void tst_QSvgRenderer::paths()
+{
+    static const char *svgs[] = {
+        // Absolute coordinates, explicit commands.
+        "<svg>"
+        "   <rect x=\"0\" y=\"0\" height=\"50\" width=\"50\" fill=\"blue\" />"
+        "   <path d=\"M50 0 V50 H0 Q0 25 25 25 T50 0 C25 0 50 50 25 50 S25 0 0 0 Z\" fill=\"red\" fill-rule=\"evenodd\"/>"
+        "</svg>",
+        // Absolute coordinates, implicit commands.
+        "<svg>"
+        "   <rect x=\"0\" y=\"0\" height=\"50\" width=\"50\" fill=\"blue\" />"
+        "   <path d=\"M50 0 50 50 0 50 Q0 25 25 25 Q50 25 50 0 C25 0 50 50 25 50 C0 50 25 0 0 0 Z\" fill=\"red\" fill-rule=\"evenodd\" />"
+        "</svg>",
+        // Relative coordinates, explicit commands.
+        "<svg>"
+        "   <rect x=\"0\" y=\"0\" height=\"50\" width=\"50\" fill=\"blue\" />"
+        "   <path d=\"m50 0 v50 h-50 q0 -25 25 -25 t25 -25 c-25 0 0 50 -25 50 s0 -50 -25 -50 z\" fill=\"red\" fill-rule=\"evenodd\" />"
+        "</svg>",
+        // Relative coordinates, implicit commands.
+        "<svg>"
+        "   <rect x=\"0\" y=\"0\" height=\"50\" width=\"50\" fill=\"blue\" />"
+        "   <path d=\"m50 0 0 50 -50 0 q0 -25 25 -25 25 0 25 -25 c-25 0 0 50 -25 50 -25 0 0 -50 -25 -50 z\" fill=\"red\" fill-rule=\"evenodd\" />"
+        "</svg>",
+        // Absolute coordinates, explicit commands, minimal whitespace.
+        "<svg>"
+        "   <rect x=\"0\" y=\"0\" height=\"50\" width=\"50\" fill=\"blue\" />"
+        "   <path d=\"m50 0v50h-50q0-25 25-25t25-25c-25 0 0 50-25 50s0-50-25-50z\" fill=\"red\" fill-rule=\"evenodd\" />"
+        "</svg>",
+        // Absolute coordinates, explicit commands, extra whitespace.
+        "<svg>"
+        "   <rect x=\"0\" y=\"0\" height=\"50\" width=\"50\" fill=\"blue\" />"
+        "   <path d=\" M  50  0  V  50  H  0  Q 0  25   25 25 T  50 0 C 25   0 50  50 25 50 S  25 0 0  0 Z  \" fill=\"red\" fill-rule=\"evenodd\" />"
+        "</svg>"
+    };
+
+    const int COUNT = sizeof(svgs) / sizeof(svgs[0]);
+    QImage images[COUNT];
+    QPainter p;
+
+    for (int i = 0; i < COUNT; ++i) {
+        QByteArray data(svgs[i]);
+        QSvgRenderer renderer(data);
+        QVERIFY(renderer.isValid());
+        images[i] = QImage(50, 50, QImage::Format_ARGB32_Premultiplied);
+        images[i].fill(0);
+        p.begin(&images[i]);
+        renderer.render(&p);
+        p.end();
+        if (i != 0) {
+            QCOMPARE(images[i], images[0]);
+        }
+    }
+}
+
+void tst_QSvgRenderer::displayMode()
+{
+    static const char *svgs[] = {
+        // All visible.
+        "<svg>"
+        "   <g>"
+        "       <rect x=\"0\" y=\"0\" height=\"10\" width=\"10\" fill=\"red\" />"
+        "       <rect x=\"0\" y=\"0\" height=\"10\" width=\"10\" fill=\"blue\" />"
+        "   </g>"
+        "</svg>",
+        // Don't display svg element.
+        "<svg display=\"none\">"
+        "   <g>"
+        "       <rect x=\"0\" y=\"0\" height=\"10\" width=\"10\" fill=\"red\" />"
+        "       <rect x=\"0\" y=\"0\" height=\"10\" width=\"10\" fill=\"blue\" />"
+        "   </g>"
+        "</svg>",
+        // Don't display g element.
+        "<svg>"
+        "   <g display=\"none\">"
+        "       <rect x=\"0\" y=\"0\" height=\"10\" width=\"10\" fill=\"red\" />"
+        "       <rect x=\"0\" y=\"0\" height=\"10\" width=\"10\" fill=\"blue\" />"
+        "   </g>"
+        "</svg>",
+        // Don't display first rect element.
+        "<svg>"
+        "   <g>"
+        "       <rect x=\"0\" y=\"0\" height=\"10\" width=\"10\" fill=\"red\" display=\"none\" />"
+        "       <rect x=\"0\" y=\"0\" height=\"10\" width=\"10\" fill=\"blue\" />"
+        "   </g>"
+        "</svg>",
+        // Don't display second rect element.
+        "<svg>"
+        "   <g>"
+        "       <rect x=\"0\" y=\"0\" height=\"10\" width=\"10\" fill=\"red\" />"
+        "       <rect x=\"0\" y=\"0\" height=\"10\" width=\"10\" fill=\"blue\" display=\"none\" />"
+        "   </g>"
+        "</svg>",
+        // Don't display svg element, but set display mode to "inline" for other elements.
+        "<svg display=\"none\">"
+        "   <g display=\"inline\">"
+        "       <rect x=\"0\" y=\"0\" height=\"10\" width=\"10\" fill=\"red\" display=\"inline\" />"
+        "       <rect x=\"0\" y=\"0\" height=\"10\" width=\"10\" fill=\"blue\" display=\"inline\" />"
+        "   </g>"
+        "</svg>"
+    };
+
+    QRgb expectedColors[] = {0xff0000ff, 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xffff0000, 0xff00ff00};
+
+    const int COUNT = sizeof(svgs) / sizeof(svgs[0]);
+    QPainter p;
+
+    for (int i = 0; i < COUNT; ++i) {
+        QByteArray data(svgs[i]);
+        QSvgRenderer renderer(data);
+        QVERIFY(renderer.isValid());
+        QImage image(10, 10, QImage::Format_ARGB32_Premultiplied);
+        image.fill(0xff00ff00);
+        p.begin(&image);
+        renderer.render(&p);
+        p.end();
+        QCOMPARE(image.pixel(5, 5), expectedColors[i]);
+    }
+}
+
+void tst_QSvgRenderer::strokeInherit()
+{
+    static const char *svgs[] = {
+        // Reference.
+        "<svg viewBox=\"0 0 200 30\">"
+        "   <g stroke=\"blue\" stroke-width=\"20\" stroke-linecap=\"butt\""
+        "       stroke-linejoin=\"miter\" stroke-miterlimit=\"1\" stroke-dasharray=\"20,10\""
+        "       stroke-dashoffset=\"10\" stroke-opacity=\"0.5\">"
+        "       <polyline fill=\"none\" points=\"10 10 100 10 100 20 190 20\"/>"
+        "   </g>"
+        "   <g stroke=\"green\" stroke-width=\"0\" stroke-dasharray=\"3,3,1\" stroke-dashoffset=\"4.5\">"
+        "       <polyline fill=\"none\" points=\"10 25 80 25\"/>"
+        "   </g>"
+        "</svg>",
+        // stroke
+        "<svg viewBox=\"0 0 200 30\">"
+        "   <g stroke=\"none\" stroke-width=\"20\" stroke-linecap=\"butt\""
+        "       stroke-linejoin=\"miter\" stroke-miterlimit=\"1\" stroke-dasharray=\"20,10\""
+        "       stroke-dashoffset=\"10\" stroke-opacity=\"0.5\">"
+        "       <polyline fill=\"none\" points=\"10 10 100 10 100 20 190 20\" stroke=\"blue\"/>"
+        "   </g>"
+        "   <g stroke=\"yellow\" stroke-width=\"0\" stroke-dasharray=\"3,3,1\" stroke-dashoffset=\"4.5\">"
+        "       <polyline fill=\"none\" points=\"10 25 80 25\" stroke=\"green\"/>"
+        "   </g>"
+        "</svg>",
+        // stroke-width
+        "<svg viewBox=\"0 0 200 30\">"
+        "   <g stroke=\"blue\" stroke-width=\"0\" stroke-linecap=\"butt\""
+        "       stroke-linejoin=\"miter\" stroke-miterlimit=\"1\" stroke-dasharray=\"20,10\""
+        "       stroke-dashoffset=\"10\" stroke-opacity=\"0.5\">"
+        "       <polyline fill=\"none\" points=\"10 10 100 10 100 20 190 20\" stroke-width=\"20\"/>"
+        "   </g>"
+        "   <g stroke=\"green\" stroke-width=\"10\" stroke-dasharray=\"3,3,1\" stroke-dashoffset=\"4.5\">"
+        "       <polyline fill=\"none\" points=\"10 25 80 25\" stroke-width=\"0\"/>"
+        "   </g>"
+        "</svg>",
+        // stroke-linecap
+        "<svg viewBox=\"0 0 200 30\">"
+        "   <g stroke=\"blue\" stroke-width=\"20\" stroke-linecap=\"round\""
+        "       stroke-linejoin=\"miter\" stroke-miterlimit=\"1\" stroke-dasharray=\"20,10\""
+        "       stroke-dashoffset=\"10\" stroke-opacity=\"0.5\">"
+        "       <polyline fill=\"none\" points=\"10 10 100 10 100 20 190 20\" stroke-linecap=\"butt\"/>"
+        "   </g>"
+        "   <g stroke=\"green\" stroke-width=\"0\" stroke-dasharray=\"3,3,1\" stroke-dashoffset=\"4.5\">"
+        "       <polyline fill=\"none\" points=\"10 25 80 25\"/>"
+        "   </g>"
+        "</svg>",
+        // stroke-linejoin
+        "<svg viewBox=\"0 0 200 30\">"
+        "   <g stroke=\"blue\" stroke-width=\"20\" stroke-linecap=\"butt\""
+        "       stroke-linejoin=\"round\" stroke-miterlimit=\"1\" stroke-dasharray=\"20,10\""
+        "       stroke-dashoffset=\"10\" stroke-opacity=\"0.5\">"
+        "       <polyline fill=\"none\" points=\"10 10 100 10 100 20 190 20\" stroke-linejoin=\"miter\"/>"
+        "   </g>"
+        "   <g stroke=\"green\" stroke-width=\"0\" stroke-dasharray=\"3,3,1\" stroke-dashoffset=\"4.5\">"
+        "       <polyline fill=\"none\" points=\"10 25 80 25\"/>"
+        "   </g>"
+        "</svg>",
+        // stroke-miterlimit
+        "<svg viewBox=\"0 0 200 30\">"
+        "   <g stroke=\"blue\" stroke-width=\"20\" stroke-linecap=\"butt\""
+        "       stroke-linejoin=\"miter\" stroke-miterlimit=\"2\" stroke-dasharray=\"20,10\""
+        "       stroke-dashoffset=\"10\" stroke-opacity=\"0.5\">"
+        "       <polyline fill=\"none\" points=\"10 10 100 10 100 20 190 20\" stroke-miterlimit=\"1\"/>"
+        "   </g>"
+        "   <g stroke=\"green\" stroke-width=\"0\" stroke-dasharray=\"3,3,1\" stroke-dashoffset=\"4.5\">"
+        "       <polyline fill=\"none\" points=\"10 25 80 25\"/>"
+        "   </g>"
+        "</svg>",
+        // stroke-dasharray
+        "<svg viewBox=\"0 0 200 30\">"
+        "   <g stroke=\"blue\" stroke-width=\"20\" stroke-linecap=\"butt\""
+        "       stroke-linejoin=\"miter\" stroke-miterlimit=\"1\" stroke-dasharray=\"1,1,1,1,1,1,3,1,3,1,3,1,1,1,1,1,1,3\""
+        "       stroke-dashoffset=\"10\" stroke-opacity=\"0.5\">"
+        "       <polyline fill=\"none\" points=\"10 10 100 10 100 20 190 20\" stroke-dasharray=\"20,10\"/>"
+        "   </g>"
+        "   <g stroke=\"green\" stroke-width=\"0\" stroke-dasharray=\"none\" stroke-dashoffset=\"4.5\">"
+        "       <polyline fill=\"none\" points=\"10 25 80 25\" stroke-dasharray=\"3,3,1\"/>"
+        "   </g>"
+        "</svg>",
+        // stroke-dashoffset
+        "<svg viewBox=\"0 0 200 30\">"
+        "   <g stroke=\"blue\" stroke-width=\"20\" stroke-linecap=\"butt\""
+        "       stroke-linejoin=\"miter\" stroke-miterlimit=\"1\" stroke-dasharray=\"20,10\""
+        "       stroke-dashoffset=\"0\" stroke-opacity=\"0.5\">"
+        "       <polyline fill=\"none\" points=\"10 10 100 10 100 20 190 20\" stroke-dashoffset=\"10\"/>"
+        "   </g>"
+        "   <g stroke=\"green\" stroke-width=\"0\" stroke-dasharray=\"3,3,1\" stroke-dashoffset=\"0\">"
+        "       <polyline fill=\"none\" points=\"10 25 80 25\" stroke-dashoffset=\"4.5\"/>"
+        "   </g>"
+        "</svg>",
+        // stroke-opacity
+        "<svg viewBox=\"0 0 200 30\">"
+        "   <g stroke=\"blue\" stroke-width=\"20\" stroke-linecap=\"butt\""
+        "       stroke-linejoin=\"miter\" stroke-miterlimit=\"1\" stroke-dasharray=\"20,10\""
+        "       stroke-dashoffset=\"10\" stroke-opacity=\"0\">"
+        "       <polyline fill=\"none\" points=\"10 10 100 10 100 20 190 20\" stroke-opacity=\"0.5\"/>"
+        "   </g>"
+        "   <g stroke=\"green\" stroke-width=\"0\" stroke-dasharray=\"3,3,1\" stroke-dashoffset=\"4.5\">"
+        "       <polyline fill=\"none\" points=\"10 25 80 25\"/>"
+        "   </g>"
+        "</svg>"
+    };
+
+    const int COUNT = sizeof(svgs) / sizeof(svgs[0]);
+    QImage images[COUNT];
+    QPainter p;
+
+    for (int i = 0; i < COUNT; ++i) {
+        QByteArray data(svgs[i]);
+        QSvgRenderer renderer(data);
+        QVERIFY(renderer.isValid());
+        images[i] = QImage(200, 30, QImage::Format_ARGB32_Premultiplied);
+        images[i].fill(-1);
+        p.begin(&images[i]);
+        renderer.render(&p);
+        p.end();
+        if (i != 0) {
+            QCOMPARE(images[0], images[i]);
+        }
+    }
+}
+
+void tst_QSvgRenderer::testFillInheritance()
+{
+    static const char *svgs[] = {
+        //reference
+        "<svg viewBox = \"0 0 200 200\">"
+        "    <polygon points=\"20,20 50,120 100,10 40,80 50,80\" fill= \"red\" stroke = \"blue\" fill-opacity = \"0.5\" fill-rule = \"evenodd\"/>"
+        "</svg>",
+        "<svg viewBox = \"0 0 200 200\">"
+        "    <polygon points=\"20,20 50,120 100,10 40,80 50,80\" fill= \"red\" stroke = \"blue\" fill-opacity = \"0.5\" fill-rule = \"evenodd\"/>"
+        "    <rect x = \"40\" y = \"40\" width = \"70\" height =\"20\" fill = \"green\" fill-opacity = \"0\"/>"
+        "</svg>",
+        "<svg viewBox = \"0 0 200 200\">"
+        "   <g fill = \"red\" fill-opacity = \"0.5\" fill-rule = \"evenodd\">"
+        "       <polygon points=\"20,20 50,120 100,10 40,80 50,80\" stroke = \"blue\"/>"
+        "   </g>"
+        "    <rect x = \"40\" y = \"40\" width = \"70\" height =\"20\" fill = \"green\" fill-opacity = \"0\"/>"
+        "</svg>",
+        "<svg viewBox = \"0 0 200 200\">"
+        "   <g  fill = \"green\" fill-rule = \"nonzero\">"
+        "       <polygon points=\"20,20 50,120 100,10 40,80 50,80\" stroke = \"blue\" fill = \"red\" fill-opacity = \"0.5\" fill-rule = \"evenodd\"/>"
+        "   </g>"
+        "   <g fill-opacity = \"0.8\" fill = \"red\">"
+        "       <rect x = \"40\" y = \"40\" width = \"70\" height =\"20\" fill = \"green\" fill-opacity = \"0\"/>"
+        "   </g>"
+        "</svg>",
+        "<svg viewBox = \"0 0 200 200\">"
+        "   <g  fill = \"red\" >"
+        "      <g fill-opacity = \"0.5\">"
+        "         <g fill-rule = \"evenodd\">"
+        "            <g>"
+        "                <polygon points=\"20,20 50,120 100,10 40,80 50,80\" stroke = \"blue\"/>"
+        "            </g>"
+        "         </g>"
+        "      </g>"
+        "   </g>"
+        "   <g fill-opacity = \"0.8\" >"
+        "       <rect x = \"40\" y = \"40\" width = \"70\" height =\"20\" fill = \"none\"/>"
+        "   </g>"
+        "</svg>",
+        "<svg viewBox = \"0 0 200 200\">"
+        "   <g fill = \"none\" fill-opacity = \"0\">"
+        "       <polygon points=\"20,20 50,120 100,10 40,80 50,80\" stroke = \"blue\" fill = \"red\" fill-opacity = \"0.5\" fill-rule = \"evenodd\"/>"
+        "   </g>"
+        "   <g fill-opacity = \"0\" >"
+        "       <rect x = \"40\" y = \"40\" width = \"70\" height =\"20\" fill = \"green\"/>"
+        "   </g>"
+        "</svg>"
+    };
+
+    const int COUNT = sizeof(svgs) / sizeof(svgs[0]);
+    QImage images[COUNT];
+    QPainter p;
+
+    for (int i = 0; i < COUNT; ++i) {
+        QByteArray data(svgs[i]);
+        QSvgRenderer renderer(data);
+        QVERIFY(renderer.isValid());
+        images[i] = QImage(200, 200, QImage::Format_ARGB32_Premultiplied);
+        images[i].fill(-1);
+        p.begin(&images[i]);
+        renderer.render(&p);
+        p.end();
+        if (i != 0) {
+            QCOMPARE(images[0], images[i]);
+        }
+    }
+}
+void tst_QSvgRenderer::testStopOffsetOpacity()
+{
+    static const char *svgs[] = {
+        //reference
+        "<svg  viewBox=\"0 0 64 64\">"
+         "<radialGradient id=\"MyGradient1\" gradientUnits=\"userSpaceOnUse\" cx=\"50\" cy=\"50\" r=\"30\" fx=\"20\" fy=\"20\">"
+          "<stop offset=\"0.0\" style=\"stop-color:red\"  stop-opacity=\"0.3\"/>"
+          "<stop offset=\"0.5\" style=\"stop-color:green\"  stop-opacity=\"1\"/>"
+          "<stop offset=\"1\" style=\"stop-color:yellow\"  stop-opacity=\"1\"/>"
+         "</radialGradient>"
+         "<radialGradient id=\"MyGradient2\" gradientUnits=\"userSpaceOnUse\" cx=\"50\" cy=\"70\" r=\"70\" fx=\"20\" fy=\"20\">"
+          "<stop offset=\"0.0\" style=\"stop-color:blue\"  stop-opacity=\"0.3\"/>"
+          "<stop offset=\"0.5\" style=\"stop-color:violet\"  stop-opacity=\"1\"/>"
+          "<stop offset=\"1\" style=\"stop-color:orange\"  stop-opacity=\"1\"/>"
+         "</radialGradient>"
+         "<rect  x=\"5\" y=\"5\" width=\"55\" height=\"55\" fill=\"url(#MyGradient1)\" stroke=\"black\" />"
+         "<rect  x=\"20\" y=\"20\" width=\"35\" height=\"35\" fill=\"url(#MyGradient2)\"/>"
+        "</svg>",
+        //Stop Offset
+        "<svg  viewBox=\"0 0 64 64\">"
+         "<radialGradient id=\"MyGradient1\" gradientUnits=\"userSpaceOnUse\" cx=\"50\" cy=\"50\" r=\"30\" fx=\"20\" fy=\"20\">"
+          "<stop offset=\"abc\" style=\"stop-color:red\"  stop-opacity=\"0.3\"/>"
+          "<stop offset=\"0.5\" style=\"stop-color:green\"  stop-opacity=\"1\"/>"
+          "<stop offset=\"1\" style=\"stop-color:yellow\"  stop-opacity=\"1\"/>"
+         "</radialGradient>"
+         "<radialGradient id=\"MyGradient2\" gradientUnits=\"userSpaceOnUse\" cx=\"50\" cy=\"70\" r=\"70\" fx=\"20\" fy=\"20\">"
+          "<stop offset=\"-3.bc\" style=\"stop-color:blue\"  stop-opacity=\"0.3\"/>"
+          "<stop offset=\"0.5\" style=\"stop-color:violet\"  stop-opacity=\"1\"/>"
+          "<stop offset=\"1\" style=\"stop-color:orange\"  stop-opacity=\"1\"/>"
+         "</radialGradient>"
+         "<rect  x=\"5\" y=\"5\" width=\"55\" height=\"55\" fill=\"url(#MyGradient1)\" stroke=\"black\" />"
+         "<rect  x=\"20\" y=\"20\" width=\"35\" height=\"35\" fill=\"url(#MyGradient2)\"/>"
+        "</svg>",
+        //Stop Opacity
+        "<svg  viewBox=\"0 0 64 64\">"
+         "<radialGradient id=\"MyGradient1\" gradientUnits=\"userSpaceOnUse\" cx=\"50\" cy=\"50\" r=\"30\" fx=\"20\" fy=\"20\">"
+          "<stop offset=\"0.0\" style=\"stop-color:red\"  stop-opacity=\"0.3\"/>"
+          "<stop offset=\"0.5\" style=\"stop-color:green\"  stop-opacity=\"x.45\"/>"
+          "<stop offset=\"1\" style=\"stop-color:yellow\"  stop-opacity=\"-3.abc\"/>"
+         "</radialGradient>"
+         "<radialGradient id=\"MyGradient2\" gradientUnits=\"userSpaceOnUse\" cx=\"50\" cy=\"70\" r=\"70\" fx=\"20\" fy=\"20\">"
+          "<stop offset=\"0.0\" style=\"stop-color:blue\"  stop-opacity=\"0.3\"/>"
+          "<stop offset=\"0.5\" style=\"stop-color:violet\"  stop-opacity=\"-0.xy\"/>"
+          "<stop offset=\"1\" style=\"stop-color:orange\"  stop-opacity=\"z.5\"/>"
+         "</radialGradient>"
+         "<rect  x=\"5\" y=\"5\" width=\"55\" height=\"55\" fill=\"url(#MyGradient1)\" stroke=\"black\" />"
+         "<rect  x=\"20\" y=\"20\" width=\"35\" height=\"35\" fill=\"url(#MyGradient2)\"/>"
+        "</svg>",
+        //Stop offset and Stop opacity
+        "<svg  viewBox=\"0 0 64 64\">"
+         "<radialGradient id=\"MyGradient1\" gradientUnits=\"userSpaceOnUse\" cx=\"50\" cy=\"50\" r=\"30\" fx=\"20\" fy=\"20\">"
+          "<stop offset=\"abc\" style=\"stop-color:red\"  stop-opacity=\"0.3\"/>"
+          "<stop offset=\"0.5\" style=\"stop-color:green\"  stop-opacity=\"x.45\"/>"
+          "<stop offset=\"1\" style=\"stop-color:yellow\"  stop-opacity=\"-3.abc\"/>"
+         "</radialGradient>"
+         "<radialGradient id=\"MyGradient2\" gradientUnits=\"userSpaceOnUse\" cx=\"50\" cy=\"70\" r=\"70\" fx=\"20\" fy=\"20\">"
+          "<stop offset=\"-3.bc\" style=\"stop-color:blue\"  stop-opacity=\"0.3\"/>"
+          "<stop offset=\"0.5\" style=\"stop-color:violet\"  stop-opacity=\"-0.xy\"/>"
+          "<stop offset=\"1\" style=\"stop-color:orange\"  stop-opacity=\"z.5\"/>"
+         "</radialGradient>"
+         "<rect  x=\"5\" y=\"5\" width=\"55\" height=\"55\" fill=\"url(#MyGradient1)\" stroke=\"black\" />"
+         "<rect  x=\"20\" y=\"20\" width=\"35\" height=\"35\" fill=\"url(#MyGradient2)\"/>"
+        "</svg>"
+    };
+
+    QImage images[4];
+    QPainter p;
+
+    for (int i = 0; i < 4; ++i) {
+        QByteArray data(svgs[i]);
+        QSvgRenderer renderer(data);
+        QVERIFY(renderer.isValid());
+        images[i] = QImage(64, 64, QImage::Format_ARGB32_Premultiplied);
+        images[i].fill(-1);
+        p.begin(&images[i]);
+        renderer.render(&p);
+        p.end();
+    }
+    QCOMPARE(images[0], images[1]);
+    QCOMPARE(images[0], images[2]);
+    QCOMPARE(images[0], images[3]);
+}
+
+void tst_QSvgRenderer::testUseElement()
+{
+    static const char *svgs[] = {
+        //Use refering to non group node (1)
+        "<svg viewBox = \"0 0 200 200\">"
+        " <polygon points=\"20,20 50,120 100,10 40,80 50,80\"/>"
+        " <polygon points=\"20,80 50,180 100,70 40,140 50,140\" fill= \"red\" stroke = \"blue\" fill-opacity = \"0.7\" fill-rule = \"evenodd\" stroke-width = \"3\"/>"
+        "</svg>",
+        "<svg viewBox = \"0 0 200 200\">"
+        " <polygon id = \"usedPolyline\" points=\"20,20 50,120 100,10 40,80 50,80\"/>"
+        " <use y = \"60\" xlink:href = \"#usedPolyline\" fill= \"red\" stroke = \"blue\" fill-opacity = \"0.7\" fill-rule = \"evenodd\" stroke-width = \"3\"/>"
+        "</svg>",
+        "<svg viewBox = \"0 0 200 200\">"
+        " <polygon id = \"usedPolyline\" points=\"20,20 50,120 100,10 40,80 50,80\"/>"
+        " <g fill = \" red\" fill-opacity =\"0.2\">"
+        "<use y = \"60\" xlink:href = \"#usedPolyline\" stroke = \"blue\" fill-opacity = \"0.7\" fill-rule = \"evenodd\" stroke-width = \"3\"/>"
+        "</g>"
+        "</svg>",
+        "<svg viewBox = \"0 0 200 200\">"
+        " <polygon id = \"usedPolyline\" points=\"20,20 50,120 100,10 40,80 50,80\"/>"
+        " <g stroke-width = \"3\" stroke = \"yellow\">"
+        "  <use y = \"60\" xlink:href = \"#usedPolyline\" fill = \" red\" stroke = \"blue\" fill-opacity = \"0.7\" fill-rule = \"evenodd\"/>"
+        " </g>"
+        "</svg>",
+        //Use refering to non group node (2)
+        "<svg viewBox = \"0 0 200 200\">"
+        " <polygon points=\"20,20 50,120 100,10 40,80 50,80\" fill = \"green\" fill-rule = \"nonzero\" stroke = \"purple\" stroke-width = \"4\" stroke-dasharray = \"1,1,3,1\" stroke-offset = \"3\" stroke-miterlimit = \"6\" stroke-linecap = \"butt\" stroke-linejoin = \"round\"/>"
+        " <polygon points=\"20,80 50,180 100,70 40,140 50,140\" fill= \"red\" stroke = \"blue\" fill-opacity = \"0.7\" fill-rule = \"evenodd\" stroke-width = \"3\" stroke-dasharray = \"1,1,1,1\" stroke-offset = \"5\" stroke-miterlimit = \"3\" stroke-linecap = \"butt\" stroke-linejoin = \"square\"/>"
+        "</svg>",
+        "<svg viewBox = \"0 0 200 200\">"
+        " <g fill = \"green\" fill-rule = \"nonzero\" stroke = \"purple\" stroke-width = \"4\" stroke-dasharray = \"1,1,3,1\" stroke-offset = \"3\" stroke-miterlimit = \"6\" stroke-linecap = \"butt\" stroke-linejoin = \"round\">"
+        "  <polygon id = \"usedPolyline\" points=\"20,20 50,120 100,10 40,80 50,80\" />"
+        " </g>"
+        " <g stroke = \"blue\" stroke-width = \"3\" stroke-dasharray = \"1,1,1,1\" stroke-offset = \"5\" stroke-miterlimit = \"3\" stroke-linecap = \"butt\" stroke-linejoin = \"square\">"
+        "  <use y = \"60\" xlink:href = \"#usedPolyline\"  fill-opacity = \"0.7\" fill= \"red\" stroke = \"blue\" fill-rule = \"evenodd\"/>"
+        " </g>"
+        "</svg>",
+        "<svg viewBox = \"0 0 200 200\">"
+        " <g fill = \"green\" fill-rule = \"nonzero\" stroke = \"purple\" stroke-width = \"4\" stroke-dasharray = \"1,1,3,1\" stroke-offset = \"3\" stroke-miterlimit = \"6\" stroke-linecap = \"butt\" stroke-linejoin = \"round\">"
+        "  <polygon id = \"usedPolyline\" points=\"20,20 50,120 100,10 40,80 50,80\" />"
+        " </g>"
+        " <g stroke-width = \"3\" stroke-dasharray = \"1,1,1,1\" stroke-offset = \"5\" stroke-miterlimit = \"3\" stroke-linecap = \"butt\" stroke-linejoin = \"square\" >"
+        "  <use y = \"60\" xlink:href = \"#usedPolyline\" fill= \"red\" stroke = \"blue\" fill-opacity = \"0.7\" fill-rule = \"evenodd\" />"
+        " </g>"
+        "</svg>",
+        //Use refering to group node
+        "<svg viewBox = \"0 0 200 200\">"
+        " <g>"
+        "  <circle cx=\"0\" cy=\"0\" r=\"100\" fill = \"red\" fill-opacity = \"0.6\"/>"
+        "  <rect x = \"10\" y = \"10\" width = \"30\" height = \"30\" fill = \"red\" fill-opacity = \"0.5\"/>"
+        "  <circle fill=\"#a6ce39\" cx=\"0\" cy=\"0\" r=\"33\" fill-opacity = \"0.5\"/>"
+        " </g>"
+        "</svg>",
+        "<svg viewBox = \"0 0 200 200\">"
+        " <defs>"
+        "  <g id=\"usedG\">"
+        "   <circle cx=\"0\" cy=\"0\" r=\"100\" fill-opacity = \"0.6\"/>"
+        "   <rect x = \"10\" y = \"10\" width = \"30\" height = \"30\"/>"
+        "   <circle fill=\"#a6ce39\" cx=\"0\" cy=\"0\" r=\"33\" />"
+        "  </g>"
+        " </defs>"
+        " <use xlink:href =\"#usedG\" fill = \"red\" fill-opacity =\"0.5\"/>"
+        "</svg>",
+        "<svg viewBox = \"0 0 200 200\">"
+        " <defs>"
+        "  <g fill = \"blue\" fill-opacity = \"0.3\">"
+        "   <g id=\"usedG\">"
+        "    <circle cx=\"0\" cy=\"0\" r=\"100\" fill-opacity = \"0.6\"/>"
+        "    <rect x = \"10\" y = \"10\" width = \"30\" height = \"30\"/>"
+        "    <circle fill=\"#a6ce39\" cx=\"0\" cy=\"0\" r=\"33\" />"
+        "   </g>"
+        "  </g>"
+        " </defs>"
+        " <g fill = \"red\" fill-opacity =\"0.5\">"
+        "  <use xlink:href =\"#usedG\" />"
+        " </g>"
+        "</svg>"
+    };
+
+    const int COUNT = sizeof(svgs) / sizeof(svgs[0]);
+    QImage images[COUNT];
+    QPainter p;
+
+    for (int i = 0; i < COUNT; ++i) {
+        QByteArray data(svgs[i]);
+        QSvgRenderer renderer(data);
+        images[i] = QImage(200, 200, QImage::Format_ARGB32_Premultiplied);
+        images[i].fill(-1);
+        p.begin(&images[i]);
+        renderer.render(&p);
+        p.end();
+
+        if (i < 4 && i != 0) {
+            QCOMPARE(images[0], images[i]);
+        } else if (i > 4 && i < 7) {
+            if (sizeof(qreal) != sizeof(float))
+            {
+                // These images use blending functions which due to numerical
+                // issues on Windows CE and likes differ in very few pixels.
+                // For this reason an exact comparison will fail.
+                QCOMPARE(images[4], images[i]);
+            }
+        } else if (i > 7) {
+            QCOMPARE(images[8], images[i]);
+        }
+    }
+}
+
+QTEST_MAIN(tst_QSvgRenderer)
+#include "tst_qsvgrenderer.moc"