tests/auto/qbrush/tst_qbrush.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qbrush/tst_qbrush.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,394 @@
+/****************************************************************************
+**
+** 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 "qbrush.h"
+#include <QPainter>
+#include <QBitmap>
+
+#include <qdebug.h>
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class tst_QBrush : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_QBrush();
+
+private slots:
+    void operator_eq_eq();
+    void operator_eq_eq_data();
+
+    void stream();
+    void stream_data();
+
+    void badStyles();
+
+    void testQLinearGradientSetters();
+    void testQRadialGradientSetters();
+    void testQConicalGradientSetters();
+    void testQGradientCopyConstructor();
+
+    void gradientStops();
+
+    void textures();
+    
+    void nullBrush();
+    void isOpaque();
+};
+
+Q_DECLARE_METATYPE(QBrush)
+
+tst_QBrush::tst_QBrush()
+{
+}
+
+void tst_QBrush::operator_eq_eq_data()
+{
+    QTest::addColumn<QBrush>("brush1");
+    QTest::addColumn<QBrush>("brush2");
+    QTest::addColumn<bool>("isEqual");
+
+    QLinearGradient lg(10, 10, 100, 100);
+    lg.setColorAt(0, Qt::red);
+    lg.setColorAt(0.5, Qt::blue);
+    lg.setColorAt(1, Qt::green);
+
+    QTest::newRow("black vs black") << QBrush(Qt::black) << QBrush(Qt::black) << true;
+    QTest::newRow("black vs blue") << QBrush(Qt::black) << QBrush(Qt::blue) << false;
+
+    QTest::newRow("red vs no") << QBrush(Qt::red) << QBrush(Qt::NoBrush) << false;
+    QTest::newRow("no vs no") << QBrush(Qt::NoBrush) << QBrush(Qt::NoBrush) << true;
+
+    QTest::newRow("lg vs same lg") << QBrush(lg) << QBrush(lg) << true;
+    QTest::newRow("lg vs diff lg") << QBrush(lg) << QBrush(QLinearGradient(QPoint(0, 0), QPoint(1, 1)))
+                                << false;
+
+    QTest::newRow("rad vs con") << QBrush(QRadialGradient(0, 0, 0, 0, 0)) << QBrush(QConicalGradient(0, 0, 0)) << false;
+}
+
+void tst_QBrush::operator_eq_eq()
+{
+    QFETCH(QBrush, brush1);
+    QFETCH(QBrush, brush2);
+    QFETCH(bool, isEqual);
+    QCOMPARE(brush1 == brush2, isEqual);
+}
+
+void tst_QBrush::stream_data()
+{
+    QTest::addColumn<QBrush>("brush");
+
+    QLinearGradient lg(10, 10, 100, 100);
+    lg.setColorAt(0, Qt::red);
+    lg.setColorAt(0.5, Qt::blue);
+    lg.setColorAt(1, Qt::green);
+
+    QTest::newRow("black") << QBrush(Qt::black);
+    QTest::newRow("red") << QBrush(Qt::red);
+    QTest::newRow("no") << QBrush(Qt::NoBrush);
+    QTest::newRow("lg") << QBrush(lg);
+    QTest::newRow("rad") << QBrush(QRadialGradient(0, 0, 0, 0, 0));
+    QTest::newRow("con") << QBrush(QConicalGradient(0, 0, 0));
+}
+
+void tst_QBrush::stream()
+{
+    QFETCH(QBrush, brush);
+
+    QByteArray data;
+
+    {
+        QDataStream stream(&data, QIODevice::WriteOnly);
+        stream << brush;
+    }
+
+    QBrush cmp;
+    {
+        QDataStream stream(&data, QIODevice::ReadOnly);
+        stream >> cmp;
+    }
+
+    QCOMPARE(brush.style(), cmp.style());
+    QCOMPARE(brush.color(), cmp.color());
+    QCOMPARE(brush, cmp);
+}
+
+void tst_QBrush::testQLinearGradientSetters()
+{
+    QLinearGradient lg;
+
+    QCOMPARE(lg.start(), QPointF(0, 0));
+    QCOMPARE(lg.finalStop(), QPointF(1, 1));
+
+    lg.setStart(101, 102);
+    QCOMPARE(lg.start(), QPointF(101, 102));
+
+    lg.setStart(QPointF(201, 202));
+    QCOMPARE(lg.start(), QPointF(201, 202));
+
+    lg.setFinalStop(103, 104);
+    QCOMPARE(lg.finalStop(), QPointF(103, 104));
+
+    lg.setFinalStop(QPointF(203, 204));
+    QCOMPARE(lg.finalStop(), QPointF(203, 204));
+}
+
+void tst_QBrush::testQRadialGradientSetters()
+{
+    QRadialGradient rg;
+
+    QCOMPARE(rg.radius(), qreal(1.0));
+    QCOMPARE(rg.center(), QPointF(0, 0));
+    QCOMPARE(rg.focalPoint(), QPointF(0, 0));
+
+    rg.setRadius(100);
+    QCOMPARE(rg.radius(), qreal(100.0));
+
+    rg.setCenter(101, 102);
+    QCOMPARE(rg.center(), QPointF(101, 102));
+
+    rg.setCenter(QPointF(201, 202));
+    QCOMPARE(rg.center(), QPointF(201, 202));
+
+    rg.setFocalPoint(103, 104);
+    QCOMPARE(rg.focalPoint(), QPointF(103, 104));
+
+    rg.setFocalPoint(QPointF(203, 204));
+    QCOMPARE(rg.focalPoint(), QPointF(203, 204));
+}
+
+void tst_QBrush::testQConicalGradientSetters()
+{
+    QConicalGradient cg;
+
+    QCOMPARE(cg.angle(), qreal(0.0));
+    QCOMPARE(cg.center(), QPointF(0, 0));
+
+    cg.setAngle(100);
+    QCOMPARE(cg.angle(), qreal(100.0));
+
+    cg.setCenter(102, 103);
+    QCOMPARE(cg.center(), QPointF(102, 103));
+
+    cg.setCenter(QPointF(202, 203));
+    QCOMPARE(cg.center(), QPointF(202, 203));
+}
+
+void tst_QBrush::testQGradientCopyConstructor()
+{
+    {
+        QLinearGradient lg1(101, 102, 103, 104);
+
+        QLinearGradient lg2 = lg1;
+        QCOMPARE(lg1.start(), lg2.start());
+        QCOMPARE(lg1.finalStop(), lg2.finalStop());
+
+        QGradient g = lg1;
+        QCOMPARE(((QLinearGradient *) &g)->start(), lg1.start());
+        QCOMPARE(((QLinearGradient *) &g)->finalStop(), lg1.finalStop());
+    }
+
+    {
+        QRadialGradient rg1(101, 102, 103, 104, 105);
+
+        QRadialGradient rg2 = rg1;
+        QCOMPARE(rg1.center(), rg2.center());
+        QCOMPARE(rg1.focalPoint(), rg2.focalPoint());
+        QCOMPARE(rg1.radius(), rg2.radius());
+
+        QGradient g = rg1;
+        QCOMPARE(((QRadialGradient *) &g)->center(), rg1.center());
+        QCOMPARE(((QRadialGradient *) &g)->focalPoint(), rg1.focalPoint());
+        QCOMPARE(((QRadialGradient *) &g)->radius(), rg1.radius());
+    }
+
+    {
+        QConicalGradient cg1(101, 102, 103);
+
+        QConicalGradient cg2 = cg1;
+        QCOMPARE(cg1.center(), cg2.center());
+        QCOMPARE(cg1.angle(), cg2.angle());
+
+        QGradient g = cg1;
+        QCOMPARE(((QConicalGradient *) &g)->center(), cg1.center());
+        QCOMPARE(((QConicalGradient *) &g)->angle(), cg1.angle());
+    }
+
+}
+
+void tst_QBrush::badStyles()
+{
+    // QBrush(Qt::BrushStyle) constructor
+    QCOMPARE(QBrush(Qt::LinearGradientPattern).style(), Qt::NoBrush);
+    QCOMPARE(QBrush(Qt::RadialGradientPattern).style(), Qt::NoBrush);
+    QCOMPARE(QBrush(Qt::ConicalGradientPattern).style(), Qt::NoBrush);
+    QCOMPARE(QBrush(Qt::TexturePattern).style(), Qt::NoBrush);
+
+    // QBrush(QColor, Qt::BrushStyle) constructor
+    QCOMPARE(QBrush(QColor(0, 0, 0), Qt::LinearGradientPattern).style(), Qt::NoBrush);
+    QCOMPARE(QBrush(QColor(0, 0, 0), Qt::RadialGradientPattern).style(), Qt::NoBrush);
+    QCOMPARE(QBrush(QColor(0, 0, 0), Qt::ConicalGradientPattern).style(), Qt::NoBrush);
+    QCOMPARE(QBrush(QColor(0, 0, 0), Qt::TexturePattern).style(), Qt::NoBrush);
+
+    // QBrush(Qt::GlobalColor, Qt::BrushStyle) constructor
+    QCOMPARE(QBrush(Qt::black, Qt::LinearGradientPattern).style(), Qt::NoBrush);
+    QCOMPARE(QBrush(Qt::black, Qt::RadialGradientPattern).style(), Qt::NoBrush);
+    QCOMPARE(QBrush(Qt::black, Qt::ConicalGradientPattern).style(), Qt::NoBrush);
+    QCOMPARE(QBrush(Qt::black, Qt::TexturePattern).style(), Qt::NoBrush);
+
+    // Set style...
+    QBrush brush(Qt::red);
+
+    brush.setStyle(Qt::LinearGradientPattern);
+    QCOMPARE(brush.style(), Qt::SolidPattern);
+
+    brush.setStyle(Qt::RadialGradientPattern);
+    QCOMPARE(brush.style(), Qt::SolidPattern);
+
+    brush.setStyle(Qt::ConicalGradientPattern);
+    QCOMPARE(brush.style(), Qt::SolidPattern);
+
+    brush.setStyle(Qt::TexturePattern);
+    QCOMPARE(brush.style(), Qt::SolidPattern);
+
+}
+
+void tst_QBrush::gradientStops()
+{
+    QLinearGradient gradient;
+    gradient.setColorAt(0, Qt::red);
+    gradient.setColorAt(1, Qt::blue);
+
+    QCOMPARE(gradient.stops().size(), 2);
+
+    QCOMPARE(gradient.stops().at(0), QGradientStop(0, QColor(Qt::red)));
+    QCOMPARE(gradient.stops().at(1), QGradientStop(1, QColor(Qt::blue)));
+
+    gradient.setColorAt(0, Qt::blue);
+    gradient.setColorAt(1, Qt::red);
+
+    QCOMPARE(gradient.stops().size(), 2);
+
+    QCOMPARE(gradient.stops().at(0), QGradientStop(0, QColor(Qt::blue)));
+    QCOMPARE(gradient.stops().at(1), QGradientStop(1, QColor(Qt::red)));
+
+    gradient.setColorAt(0.5, Qt::green);
+
+    QCOMPARE(gradient.stops().size(), 3);
+    QCOMPARE(gradient.stops().at(1), QGradientStop(0.5, QColor(Qt::green)));
+
+    // A hack in parseStopNode() in qsvghandler.cpp depends on inserting stops at NaN.
+    gradient.setStops(QGradientStops() << QGradientStop(qQNaN(), QColor()));
+    QCOMPARE(gradient.stops().size(), 1);
+    QVERIFY(qIsNaN(gradient.stops().at(0).first));
+    QCOMPARE(gradient.stops().at(0).second, QColor());
+}
+
+void fill(QPaintDevice *pd) {
+    QPainter p(pd);
+
+    int w = pd->width();
+    int h = pd->height();
+
+    p.fillRect(0, 0, w, h, Qt::white);
+    p.fillRect(0, 0, w/3, h/3, Qt::black);
+}
+
+void tst_QBrush::textures()
+{
+    QPixmap pixmap_source(10, 10);
+    QImage image_source(10, 10, QImage::Format_RGB32);
+
+    fill(&pixmap_source);
+    fill(&image_source);
+
+    // Create a pixmap brush and compare its texture and textureImage
+    // to the expected image
+    QBrush pixmap_brush;
+    pixmap_brush.setTexture(pixmap_source);
+    QImage image = pixmap_brush.texture().toImage().convertToFormat(QImage::Format_RGB32);
+    QCOMPARE(image, image_source);
+    image = pixmap_brush.textureImage().convertToFormat(QImage::Format_RGB32);
+    QCOMPARE(image, image_source);
+
+    pixmap_brush = QBrush(pixmap_source);
+    image = pixmap_brush.texture().toImage().convertToFormat(QImage::Format_RGB32);
+    QCOMPARE(image, image_source);
+    image = pixmap_brush.textureImage().convertToFormat(QImage::Format_RGB32);
+    QCOMPARE(image, image_source);
+
+    // Create a image brush and compare its texture and textureImage
+    // to the expected image
+    QBrush image_brush;
+    image_brush.setTextureImage(image_source);
+    image = image_brush.texture().toImage().convertToFormat(QImage::Format_RGB32);
+    QCOMPARE(image, image_source);
+    QCOMPARE(image_brush.textureImage(), image_source);
+
+    image_brush = QBrush(image_source);
+    image = image_brush.texture().toImage().convertToFormat(QImage::Format_RGB32);
+    QCOMPARE(image, image_source);
+    QCOMPARE(image_brush.textureImage(), image_source);
+}
+
+void tst_QBrush::nullBrush()
+{
+    QBrush brush(QColor(100,0,0), Qt::NoBrush);
+    QCOMPARE(brush.color(), QColor(100,0,0));
+}
+
+void tst_QBrush::isOpaque()
+{
+    QBitmap bm(8, 8);
+    bm.fill(Qt::black);
+
+    QBrush brush(bm);
+    QVERIFY(!brush.isOpaque());
+}
+
+QTEST_MAIN(tst_QBrush)
+#include "tst_qbrush.moc"