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// This file contains benchmarks for QRect/QRectF functions.

#include <QtGui>

#include <qtest.h>

class tst_qstylesheetstyle : public QObject

{

    Q_OBJECT

private slots:

    void empty();

    void empty_events();

    void simple();

    void simple_events();

    void grid_data();

    void grid();

private:

    QWidget *buildSimpleWidgets();

};

QWidget *tst_qstylesheetstyle::buildSimpleWidgets()

{

    QWidget *w = new QWidget();

    QGridLayout *layout = new QGridLayout(w);

    w->setLayout(layout);

    layout->addWidget(new QPushButton("pushButton")     ,0,0);

    layout->addWidget(new QComboBox()                   ,0,1);

    layout->addWidget(new QCheckBox("checkBox")         ,0,2);

    layout->addWidget(new QRadioButton("radioButton")   ,0,3);

    layout->addWidget(new QLineEdit()                   ,1,0);

    layout->addWidget(new QLabel("label")               ,1,1);

    layout->addWidget(new QSpinBox()                    ,1,2);

    layout->addWidget(new QProgressBar()                ,1,3);

    return w;

}

void tst_qstylesheetstyle::empty()

{

    QWidget *w = buildSimpleWidgets();

    w->setStyleSheet("/* */");

    QApplication::processEvents();

    int i = 0;

    QBENCHMARK {

        w->setStyleSheet("/*" + QString::number(i) + "*/");

        i++; // we want a different string in case we have severals iterations

    }

    delete w;

}

void tst_qstylesheetstyle::empty_events()

{

    QWidget *w = buildSimpleWidgets();

    w->setStyleSheet("/* */");

    QApplication::processEvents();

    int i = 0;

    QBENCHMARK {

        w->setStyleSheet("/*" + QString::number(i) + "*/");

        i++; // we want a different string in case we have severals iterations

        qApp->processEvents();

    }

    delete w;

}

static const char *simple_css =

   " QLineEdit { background: red; }   QPushButton { border: 1px solid yellow; color: pink; }  \n"

   " QCheckBox { margin: 3px 5px; background-color:red; } QAbstractButton { background-color: #456; } \n"

   " QFrame { padding: 3px; } QLabel { color: black } QSpinBox:hover { background-color:blue; }  ";

void tst_qstylesheetstyle::simple()

{

    QWidget *w = buildSimpleWidgets();

    w->setStyleSheet("/* */");

    QApplication::processEvents();

    int i = 0;

    QBENCHMARK {

        w->setStyleSheet(QString(simple_css) + "/*" + QString::number(i) + "*/");

        i++; // we want a different string in case we have severals iterations

    }

    delete w;

}

void tst_qstylesheetstyle::simple_events()

{

    QWidget *w = buildSimpleWidgets();

    w->setStyleSheet("/* */");

    QApplication::processEvents();

    int i = 0;

    QBENCHMARK {

        w->setStyleSheet(QString(simple_css) + "/*" + QString::number(i) + "*/");

        i++; // we want a different string in case we have severals iterations

        qApp->processEvents();

    }

    delete w;

}

void tst_qstylesheetstyle::grid_data()

{

        QTest::addColumn<bool>("events");

        QTest::addColumn<bool>("show");

        QTest::addColumn<int>("N");

        for (int n = 5; n <= 25; n += 5) {

           const QByteArray nString = QByteArray::number(n*n);

            QTest::newRow(("simple--" + nString).constData()) << false << false << n;

            QTest::newRow(("events--" + nString).constData()) << true << false << n;

            QTest::newRow(("show--" + nString).constData()) << true << true << n;

        }

}

void tst_qstylesheetstyle::grid()

{

    QFETCH(bool, events);

    QFETCH(bool, show);

    QFETCH(int, N);

#ifdef Q_OS_SYMBIAN

    // Symbian has limited stack (max 80k), which will run out when N >= 20 due to

    // QWidget::show() using recursion among grid labels somewhere down the line.

    if (show && N >= 20)

        QSKIP("Grid too big for device to show", SkipSingle);

#endif

    QWidget *w = new QWidget();

    QGridLayout *layout = new QGridLayout(w);

    w->setLayout(layout);

    QString stylesheet;

    for(int x=0; x<N ;x++)

        for(int y=0; y<N ;y++) {

        QLabel *label = new QLabel(QString::number(y * N + x));

        layout->addWidget(label ,x,y);

        label->setObjectName(QString("label%1").arg(y * N + x));

        stylesheet += QString("#label%1 { background-color: rgb(0,%2,%3); color: rgb(%2,%3,255);  } ").arg(y*N+x).arg(y*255/N).arg(x*255/N);

    }

    w->setStyleSheet("/* */");

    if(show) {

        w->show();

        QTest::qWaitForWindowShown(w);

        QApplication::flush();

        QApplication::processEvents();

        QTest::qWait(30);

        QApplication::processEvents();

    }

    QApplication::processEvents();

    int i = 0;

    QBENCHMARK {

        w->setStyleSheet(stylesheet + "/*" + QString::number(i) + "*/");

        i++; // we want a different string in case we have severals iterations

        if(events)

            qApp->processEvents();

    }

    delete w;

}

QTEST_MAIN(tst_qstylesheetstyle)

#include "main.moc"