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** This file is part of the test suite of the Qt Toolkit.

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#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();

    void debug();

};

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;

    QBrush b1(lg);

    QBrush b2(lg);

    b1.setTransform(QTransform().scale(2, 2));

    QTest::newRow("lg with transform vs same lg") << b1 << b2 << false;

    b2.setTransform(QTransform().scale(2, 2));

    QTest::newRow("lg w/transform vs same lg w/same transform") << b1 << b2 << true;

}

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());

}

void tst_QBrush::debug()

{

    QPixmap pixmap_source(10, 10);

    fill(&pixmap_source);

    QBrush pixmap_brush;

    pixmap_brush.setTexture(pixmap_source);

    QCOMPARE(pixmap_brush.style(), Qt::TexturePattern);

    qDebug() << pixmap_brush; // don't crash

}

QTEST_MAIN(tst_QBrush)

#include "tst_qbrush.moc"