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

**

** Copyright (C) 2010 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 <qcoreapplication.h>

#include <qdebug.h>

#include <qsettings.h>

#include <qtextformat.h>

#include <qtextdocument.h>

#include <qtextcursor.h>

#include <qtextobject.h>

#include <qtextlayout.h>

#include <qabstracttextdocumentlayout.h>

//TESTED_CLASS=

//TESTED_FILES=

class tst_QTextFormat : public QObject

{

Q_OBJECT

private slots:

    void getSetCheck();

    void defaultAlignment();

    void testQTextCharFormat() const;

    void testUnderlinePropertyPrecedence();

    void toFormat();

    void resolveFont();

    void getSetTabs();

    void testTabsUsed();

    void testFontStyleSetters();

};

/*! \internal

  This (used to) trigger a crash in:

    QDataStream &operator>>(QDataStream &stream, QTextFormat &fmt)

  which is most easily produced through QSettings.

 */

void tst_QTextFormat::testQTextCharFormat() const

{

    QSettings settings("test", "test");

    QTextCharFormat test;

    settings.value("test", test);

}

// Testing get/set functions

void tst_QTextFormat::getSetCheck()

{

    QTextFormat obj1;

    // int QTextFormat::objectIndex()

    // void QTextFormat::setObjectIndex(int)

    obj1.setObjectIndex(0);

    QCOMPARE(0, obj1.objectIndex());

    obj1.setObjectIndex(INT_MIN);

    QCOMPARE(INT_MIN, obj1.objectIndex());

    obj1.setObjectIndex(INT_MAX);

    QCOMPARE(INT_MAX, obj1.objectIndex());

}

void tst_QTextFormat::defaultAlignment()

{

    QTextBlockFormat fmt;

    QVERIFY(!fmt.hasProperty(QTextFormat::BlockAlignment));

    QCOMPARE(fmt.intProperty(QTextFormat::BlockAlignment), 0);

    QVERIFY(fmt.alignment() == Qt::AlignLeft);

}

void tst_QTextFormat::testUnderlinePropertyPrecedence()

{

    QTextCharFormat format;

    // use normal accessors and check internal state

    format.setUnderlineStyle(QTextCharFormat::NoUnderline);

    QCOMPARE(format.property(QTextFormat::FontUnderline).isNull(), false);

    QCOMPARE(format.property(QTextFormat::TextUnderlineStyle).isNull(), false);

    QCOMPARE(format.property(QTextFormat::FontUnderline).toBool(), false);

    QCOMPARE(format.property(QTextFormat::TextUnderlineStyle).toInt(), 0);

    format = QTextCharFormat();

    format.setUnderlineStyle(QTextCharFormat::SingleUnderline);

    QCOMPARE(format.property(QTextFormat::FontUnderline).isNull(), false);

    QCOMPARE(format.property(QTextFormat::TextUnderlineStyle).isNull(), false);

    QCOMPARE(format.property(QTextFormat::FontUnderline).toBool(), true);

    QCOMPARE(format.property(QTextFormat::TextUnderlineStyle).toInt(), 1);

    format = QTextCharFormat();

    format.setUnderlineStyle(QTextCharFormat::DotLine);

    QCOMPARE(format.property(QTextFormat::FontUnderline).isNull(), false);

    QCOMPARE(format.property(QTextFormat::TextUnderlineStyle).isNull(), false);

    QCOMPARE(format.property(QTextFormat::FontUnderline).toBool(), false);

    QVERIFY(format.property(QTextFormat::TextUnderlineStyle).toInt() > 0);

    // override accessors and use setProperty to create a false state.

    // then check font()

    format = QTextCharFormat();

    format.setProperty(QTextCharFormat::FontUnderline, true);

    QCOMPARE(format.property(QTextFormat::FontUnderline).isNull(), false);

    QCOMPARE(format.property(QTextFormat::TextUnderlineStyle).isNull(), true);

    QCOMPARE(format.fontUnderline(), true);

    QCOMPARE(format.font().underline(), true);

    format = QTextCharFormat();

    // create conflict. Should use the new property

    format.setProperty(QTextCharFormat::TextUnderlineStyle, QTextCharFormat::SingleUnderline);

    format.setProperty(QTextCharFormat::FontUnderline, false);

    QCOMPARE(format.fontUnderline(), true);

    QCOMPARE(format.font().underline(), true);

    format = QTextCharFormat();

    // create conflict. Should use the new property

    format.setProperty(QTextCharFormat::TextUnderlineStyle, QTextCharFormat::NoUnderline);

    format.setProperty(QTextCharFormat::FontUnderline, true);

    QCOMPARE(format.fontUnderline(), false);

    QCOMPARE(format.font().underline(), false);

    // do it again, but reverse the ordering (we use a QVector internally, so test a LOT ;)

    // create conflict. Should use the new property

    format.setProperty(QTextCharFormat::FontUnderline, false);

    format.setProperty(QTextCharFormat::TextUnderlineStyle, QTextCharFormat::SingleUnderline);

    QCOMPARE(format.fontUnderline(), true);

    QCOMPARE(format.font().underline(), true);

    format = QTextCharFormat();

    // create conflict. Should use the new property

    format.setProperty(QTextCharFormat::FontUnderline, true);

    format.setProperty(QTextCharFormat::TextUnderlineStyle, QTextCharFormat::NoUnderline);

    QCOMPARE(format.fontUnderline(), false);

    QCOMPARE(format.font().underline(), false);

}

void tst_QTextFormat::toFormat()

{

    {

        QTextFormat fmt = QTextFrameFormat();

        QCOMPARE(fmt.toFrameFormat().type(), int(QTextFormat::FrameFormat));

    }

    {

        QTextFormat fmt = QTextTableFormat();

        QCOMPARE(fmt.toTableFormat().type(), int(QTextFormat::FrameFormat));

        QCOMPARE(fmt.toTableFormat().objectType(), int(QTextFormat::TableObject));

    }

    {

        QTextFormat fmt = QTextBlockFormat();

        QCOMPARE(fmt.toBlockFormat().type(), int(QTextFormat::BlockFormat));

    }

    {

        QTextFormat fmt = QTextCharFormat();

        QCOMPARE(fmt.toCharFormat().type(), int(QTextFormat::CharFormat));

    }

    {

        QTextFormat fmt = QTextListFormat();

        QCOMPARE(fmt.toListFormat().type(), int(QTextFormat::ListFormat));

    }

}

void tst_QTextFormat::resolveFont()

{

    QTextDocument doc;

    QTextCharFormat fmt;

    fmt.setProperty(QTextFormat::ForegroundBrush, Qt::blue);

    fmt.setProperty(QTextFormat::FontItalic, true);

    QTextCursor(&doc).insertText("Test", fmt);

    QVector<QTextFormat> formats = doc.allFormats();

    QCOMPARE(formats.count(), 3);

    QVERIFY(formats.at(2).type() == QTextFormat::CharFormat);

    fmt = formats.at(2).toCharFormat();

    QVERIFY(!fmt.font().underline());

    QVERIFY(fmt.hasProperty(QTextFormat::ForegroundBrush));

    QFont f;

    f.setUnderline(true);

    doc.setDefaultFont(f);

    formats = doc.allFormats();

    fmt = formats.at(2).toCharFormat();

    QVERIFY(fmt.font().underline());

    QVERIFY(!fmt.hasProperty(QTextFormat::FontUnderline));

    // verify that deleting a non-existant property does not affect the font resolving

    QVERIFY(!fmt.hasProperty(QTextFormat::BackgroundBrush));

    fmt.clearProperty(QTextFormat::BackgroundBrush);

    QVERIFY(!fmt.hasProperty(QTextFormat::BackgroundBrush));

    QVERIFY(!fmt.hasProperty(QTextFormat::FontUnderline));

    QVERIFY(fmt.font().underline());

    // verify that deleting an existant but font _unrelated_ property does not affect the font resolving

    QVERIFY(fmt.hasProperty(QTextFormat::ForegroundBrush));

    fmt.clearProperty(QTextFormat::ForegroundBrush);

    QVERIFY(!fmt.hasProperty(QTextFormat::ForegroundBrush));

    QVERIFY(!fmt.hasProperty(QTextFormat::FontUnderline));

    QVERIFY(fmt.font().underline());

    // verify that removing a font property _does_ clear the resolving

    QVERIFY(fmt.hasProperty(QTextFormat::FontItalic));

    fmt.clearProperty(QTextFormat::FontItalic);

    QVERIFY(!fmt.hasProperty(QTextFormat::FontItalic));

    QVERIFY(!fmt.hasProperty(QTextFormat::FontUnderline));

    QVERIFY(!fmt.font().underline());

    QVERIFY(!fmt.font().italic());

    // reset

    fmt = formats.at(2).toCharFormat();

    QVERIFY(fmt.font().underline());

    QVERIFY(!fmt.hasProperty(QTextFormat::FontUnderline));

    // verify that _setting_ an unrelated property does _not_ affect the resolving

    QVERIFY(!fmt.hasProperty(QTextFormat::IsAnchor));

    fmt.setProperty(QTextFormat::IsAnchor, true);

    QVERIFY(fmt.hasProperty(QTextFormat::IsAnchor));

    QVERIFY(fmt.font().underline());

    QVERIFY(!fmt.hasProperty(QTextFormat::FontUnderline));

    // verify that setting a _related_ font property does affect the resolving

    //

    QVERIFY(!fmt.hasProperty(QTextFormat::FontStrikeOut));

    fmt.setProperty(QTextFormat::FontStrikeOut, true);

    QVERIFY(fmt.hasProperty(QTextFormat::FontStrikeOut));

    QVERIFY(!fmt.font().underline());

    QVERIFY(!fmt.hasProperty(QTextFormat::FontUnderline));

    QVERIFY(fmt.font().strikeOut());

}

void tst_QTextFormat::getSetTabs()

{

    class Comparator {

      public:

        Comparator(const QList<QTextOption::Tab> &tabs, const QList<QTextOption::Tab> &tabs2)

        {

            QCOMPARE(tabs.count(), tabs2.count());

            for(int i=0; i < tabs.count(); i++) {

                QTextOption::Tab t1 = tabs[i];

                QTextOption::Tab t2 = tabs2[i];

                QCOMPARE(t1.position, t2.position);

                QCOMPARE(t1.type, t2.type);

                QCOMPARE(t1.delimiter, t2.delimiter);

            }

        }

    };

    QList<QTextOption::Tab> tabs;

    QTextBlockFormat format;

    format.setTabPositions(tabs);

    Comparator c1(tabs, format.tabPositions());

    QTextOption::Tab tab1;

    tab1.position = 1234;

    tabs.append(tab1);

    format.setTabPositions(tabs);

    Comparator c2(tabs, format.tabPositions());

    QTextOption::Tab tab2;

    tab2.position = 3456;

    tab2.type = QTextOption::RightTab;

    tab2.delimiter = QChar('x');

    tabs.append(tab2);

    format.setTabPositions(tabs);

    Comparator c3(tabs, format.tabPositions());

}

void tst_QTextFormat::testTabsUsed()

{

    QTextDocument doc;

    QTextCursor cursor(&doc);

    QList<QTextOption::Tab> tabs;

    QTextBlockFormat format;

    QTextOption::Tab tab;

    tab.position = 100;

    tabs.append(tab);

    format.setTabPositions(tabs);

    cursor.mergeBlockFormat(format);

    cursor.insertText("foo\tbar");

    //doc.setPageSize(QSizeF(200, 200));

    doc.documentLayout()->pageCount(); // force layout;

    QTextBlock block = doc.begin();

    QTextLayout *layout = block.layout();

    QVERIFY(layout);

    QCOMPARE(layout->lineCount(), 1);

    QTextLine line = layout->lineAt(0);

    QCOMPARE(line.cursorToX(4), 100.);

    QTextOption option = layout->textOption();

    QCOMPARE(option.tabs().count(), tabs.count());

}

void tst_QTextFormat::testFontStyleSetters()

{

    QTextCharFormat format;

    // test the setters

    format.setFontStyleHint(QFont::Serif);

    QCOMPARE(format.font().styleHint(), QFont::Serif);

    QCOMPARE(format.font().styleStrategy(), QFont::PreferDefault);

    format.setFontStyleStrategy(QFont::PreferOutline);

    QCOMPARE(format.font().styleStrategy(), QFont::PreferOutline);

    // test setting properties through setFont()

    QFont font;

    font.setStyleHint(QFont::SansSerif, QFont::PreferAntialias);

    format.setFont(font);

    QCOMPARE(format.font().styleHint(), QFont::SansSerif);

    QCOMPARE(format.font().styleStrategy(), QFont::PreferAntialias);

    // test kerning

    format.setFontKerning(false);

    QCOMPARE(format.font().kerning(), false);

    format.setFontKerning(true);

    QCOMPARE(format.font().kerning(), true);

    font.setKerning(false);

    format.setFont(font);

    QCOMPARE(format.font().kerning(), false);

}

QTEST_MAIN(tst_QTextFormat)

#include "tst_qtextformat.moc"