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****************************************************************************/

#include <qtest.h>

#include <QDebug>

#include <QTableView>

#include <QImage>

#include <QPainter>

//TESTED_FILES=

class QtTestTableModel: public QAbstractTableModel

{

    Q_OBJECT

public:

    QtTestTableModel(int rows = 0, int columns = 0, QObject *parent = 0)

        : QAbstractTableModel(parent),

          row_count(rows),

          column_count(columns) {}

    int rowCount(const QModelIndex& = QModelIndex()) const { return row_count; }

    int columnCount(const QModelIndex& = QModelIndex()) const { return column_count; }

    bool isEditable(const QModelIndex &) const { return true; }

    QVariant data(const QModelIndex &idx, int role) const

    {

        if (!idx.isValid() || idx.row() >= row_count || idx.column() >= column_count) {

            qWarning() << "Invalid modelIndex [%d,%d,%p]" << idx;

            return QVariant();

        }

        if (role == Qt::DisplayRole || role == Qt::EditRole)

            return QString("[%1,%2,%3]").arg(idx.row()).arg(idx.column()).arg(0);

        return QVariant();

    }

    bool insertRows(int start, int count, const QModelIndex &parent = QModelIndex())

    {

        if (start < 0 || start > row_count)

            return false;

        beginInsertRows(parent, start, start + count - 1);

        row_count += count;

        endInsertRows();

        return true;

    }

    bool removeRows(int start, int count, const QModelIndex &parent = QModelIndex())

    {

        if (start < 0 || start >= row_count || row_count < count)

            return false;

        beginRemoveRows(parent, start, start + count - 1);

        row_count -= count;

        endRemoveRows();

        return true;

    }

    bool insertColumns(int start, int count, const QModelIndex &parent = QModelIndex())

    {

        if (start < 0 || start > column_count)

            return false;

        beginInsertColumns(parent, start, start + count - 1);

        column_count += count;

        endInsertColumns();

        return true;

    }

    bool removeColumns(int start, int count, const QModelIndex &parent = QModelIndex())

    {

        if (start < 0 || start >= column_count || column_count < count)

            return false;

        beginRemoveColumns(parent, start, start + count - 1);

        column_count -= count;

        endRemoveColumns();

        return true;

    }

    int row_count;

    int column_count;

};

class tst_QTableView : public QObject

{

    Q_OBJECT

public:

    tst_QTableView();

    virtual ~tst_QTableView();

public slots:

    void init();

    void cleanup();

private slots:

    void spanInit();

    void spanDraw();

    void spanSelectColumn();

    void spanSelectAll();

    void rowInsertion_data();

    void rowInsertion();

    void rowRemoval_data();

    void rowRemoval();

    void columnInsertion_data();

    void columnInsertion();

    void columnRemoval_data();

    void columnRemoval();

private:

    static inline void spanInit_helper(QTableView *);

};

tst_QTableView::tst_QTableView()

{

}

tst_QTableView::~tst_QTableView()

{

}

void tst_QTableView::init()

{

}

void tst_QTableView::cleanup()

{

}

void tst_QTableView::spanInit_helper(QTableView *view)

{

    for (int i=0; i < 40; i++) {

        view->setSpan(1+i%2, 1+4*i, 1+i%3, 2);

    }

    for (int i=1; i < 40; i++) {

        view->setSpan(6 + i*7, 4, 4, 50);

    }

}

void tst_QTableView::spanInit()

{

    QtTestTableModel model(500, 500);

    QTableView v;

    v.setModel(&model);

    QBENCHMARK {

        spanInit_helper(&v);

    }

}

void tst_QTableView::spanDraw()

{

    QtTestTableModel model(500, 500);

    QTableView v;

    v.setModel(&model);

    spanInit_helper(&v);

    v.show();

    v.resize(500,500);

    QTest::qWait(30);

    QImage image(500, 500, QImage::Format_ARGB32_Premultiplied);

    QPainter painter(&image);

    QBENCHMARK {

        v.render(&painter);

    }

}

void tst_QTableView::spanSelectAll()

{

    QtTestTableModel model(500, 500);

    QTableView v;

    v.setModel(&model);

    spanInit_helper(&v);

    v.show();

    QTest::qWait(30);

    QBENCHMARK {

        v.selectAll();

    }

}

void tst_QTableView::spanSelectColumn()

{

    QtTestTableModel model(500, 500);

    QTableView v;

    v.setModel(&model);

    spanInit_helper(&v);

    v.show();

    QTest::qWait(30);

    QBENCHMARK {

        v.selectColumn(22);

    }

}

typedef QVector<QRect> SpanList;

Q_DECLARE_METATYPE(SpanList)

void spansData()

{

    QTest::addColumn<SpanList>("spans");

    QTest::newRow("Without spans")

        << SpanList();

    QTest::newRow("With spans")

            << (SpanList()

                  << QRect(0, 1, 1, 2)

                  << QRect(1, 2, 1, 2)

                  << QRect(2, 2, 1, 5)

                  << QRect(2, 8, 1, 2)

                  << QRect(3, 4, 1, 2)

                  << QRect(4, 4, 1, 4)

                  << QRect(5, 6, 1, 3)

                  << QRect(6, 7, 1, 3));

}

void tst_QTableView::rowInsertion_data()

{

    spansData();

}

void tst_QTableView::rowInsertion()

{

    QFETCH(SpanList, spans);

    QtTestTableModel model(10, 10);

    QTableView view;

    view.setModel(&model);

    foreach (QRect span, spans)

        view.setSpan(span.top(), span.left(), span.height(), span.width());

    view.show();

    QTest::qWait(50);

    QBENCHMARK_ONCE {

        view.model()->insertRows(0, 2);

        view.model()->insertRows(5, 2);

        view.model()->insertRows(8, 2);

        view.model()->insertRows(12, 2);

    }

}

void tst_QTableView::rowRemoval_data()

{

    spansData();

}

void tst_QTableView::rowRemoval()

{

    QFETCH(SpanList, spans);

    QtTestTableModel model(10, 10);

    QTableView view;

    view.setModel(&model);

    foreach (QRect span, spans)

        view.setSpan(span.top(), span.left(), span.height(), span.width());

    view.show();

    QTest::qWait(50);

    QBENCHMARK_ONCE {

        view.model()->removeRows(3, 3);

    }

}

void tst_QTableView::columnInsertion_data()

{

    spansData();

}

void tst_QTableView::columnInsertion()

{

    QFETCH(SpanList, spans);

    QtTestTableModel model(10, 10);

    QTableView view;

    view.setModel(&model);

    // Same set as for rowInsertion, just swapping columns and rows.

    foreach (QRect span, spans)

        view.setSpan(span.left(), span.top(), span.width(), span.height());

    view.show();

    QTest::qWait(50);

    QBENCHMARK_ONCE {

        view.model()->insertColumns(0, 2);

        view.model()->insertColumns(5, 2);

        view.model()->insertColumns(8, 2);

        view.model()->insertColumns(12, 2);

    }

}

void tst_QTableView::columnRemoval_data()

{

    spansData();

}

void tst_QTableView::columnRemoval()

{

    QFETCH(SpanList, spans);

    QtTestTableModel model(10, 10);

    QTableView view;

    view.setModel(&model);

    // Same set as for rowRemoval, just swapping columns and rows.

    foreach (QRect span, spans)

        view.setSpan(span.left(), span.top(), span.width(), span.height());

    view.show();

    QTest::qWait(50);

    QBENCHMARK_ONCE {

        view.model()->removeColumns(3, 3);

    }

}

QTEST_MAIN(tst_QTableView)

#include "tst_qtableview.moc"