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#include <QtTest/QtTest>

#include <qfont.h>

#include <qfontdatabase.h>

#include <qfontinfo.h>

#include <qstringlist.h>

#include <qapplication.h>

#include <qwidget.h>

#include <qlist.h>

//TESTED_CLASS=

//TESTED_FILES=

class tst_QFont : public QObject

{

Q_OBJECT

public:

    tst_QFont();

    virtual ~tst_QFont();

public slots:

    void init();

    void cleanup();

private slots:

    void getSetCheck();

    void exactMatch();

    void compare();

    void resolve();

    void resetFont();

    void isCopyOf();

    void setFontRaw();

    void italicOblique();

    void insertAndRemoveSubstitutions();

    void serializeSpacing();

};

// Testing get/set functions

void tst_QFont::getSetCheck()

{

    QFont obj1;

    // Style QFont::style()

    // void QFont::setStyle(Style)

    obj1.setStyle(QFont::Style(QFont::StyleNormal));

    QCOMPARE(QFont::Style(QFont::StyleNormal), obj1.style());

    obj1.setStyle(QFont::Style(QFont::StyleItalic));

    QCOMPARE(QFont::Style(QFont::StyleItalic), obj1.style());

    obj1.setStyle(QFont::Style(QFont::StyleOblique));

    QCOMPARE(QFont::Style(QFont::StyleOblique), obj1.style());

    // StyleStrategy QFont::styleStrategy()

    // void QFont::setStyleStrategy(StyleStrategy)

    obj1.setStyleStrategy(QFont::StyleStrategy(QFont::PreferDefault));

    QCOMPARE(QFont::StyleStrategy(QFont::PreferDefault), obj1.styleStrategy());

    obj1.setStyleStrategy(QFont::StyleStrategy(QFont::PreferBitmap));

    QCOMPARE(QFont::StyleStrategy(QFont::PreferBitmap), obj1.styleStrategy());

    obj1.setStyleStrategy(QFont::StyleStrategy(QFont::PreferDevice));

    QCOMPARE(QFont::StyleStrategy(QFont::PreferDevice), obj1.styleStrategy());

    obj1.setStyleStrategy(QFont::StyleStrategy(QFont::PreferOutline));

    QCOMPARE(QFont::StyleStrategy(QFont::PreferOutline), obj1.styleStrategy());

    obj1.setStyleStrategy(QFont::StyleStrategy(QFont::ForceOutline));

    QCOMPARE(QFont::StyleStrategy(QFont::ForceOutline), obj1.styleStrategy());

    obj1.setStyleStrategy(QFont::StyleStrategy(QFont::PreferMatch));

    QCOMPARE(QFont::StyleStrategy(QFont::PreferMatch), obj1.styleStrategy());

    obj1.setStyleStrategy(QFont::StyleStrategy(QFont::PreferQuality));

    QCOMPARE(QFont::StyleStrategy(QFont::PreferQuality), obj1.styleStrategy());

    obj1.setStyleStrategy(QFont::StyleStrategy(QFont::PreferAntialias));

    QCOMPARE(QFont::StyleStrategy(QFont::PreferAntialias), obj1.styleStrategy());

    obj1.setStyleStrategy(QFont::StyleStrategy(QFont::NoAntialias));

    QCOMPARE(QFont::StyleStrategy(QFont::NoAntialias), obj1.styleStrategy());

    obj1.setStyleStrategy(QFont::StyleStrategy(QFont::OpenGLCompatible));

    QCOMPARE(QFont::StyleStrategy(QFont::OpenGLCompatible), obj1.styleStrategy());

}

tst_QFont::tst_QFont()

{

}

tst_QFont::~tst_QFont()

{

}

void tst_QFont::init()

{

// TODO: Add initialization code here.

// This will be executed immediately before each test is run.

}

void tst_QFont::cleanup()

{

// TODO: Add cleanup code here.

// This will be executed immediately after each test is run.

}

void tst_QFont::exactMatch()

{

    QFont font;

    // Check if a non-existing font hasn't an exact match

    font = QFont( "BogusFont", 33 );

    QVERIFY( !font.exactMatch() );

#ifdef Q_WS_WIN

    QSKIP("Exact matching on windows misses a lot because of the sample chars", SkipAll);

    return;

#endif

    QSKIP("This test is bogus on Unix with support for font aliases in fontconfig", SkipAll);

    return;

    QFontDatabase fdb;

    QList<QFontDatabase::WritingSystem> systems = fdb.writingSystems();

    for (int system = 0; system < systems.count(); ++system) {

        QStringList families = fdb.families(systems[system]);

        if (families.isEmpty())

            return;

        QStringList::ConstIterator f_it, f_end = families.end();

        for (f_it = families.begin(); f_it != f_end; ++f_it) {

            const QString &family = *f_it;

            if (family.contains('['))

                continue;

            QStringList styles = fdb.styles(family);

            QVERIFY(!styles.isEmpty());

            QStringList::ConstIterator s_it, s_end = styles.end();

            for (s_it = styles.begin(); s_it != s_end; ++s_it) {

                const QString &style = *s_it;

                if (fdb.isSmoothlyScalable(family, style)) {

                    // smoothly scalable font... don't need to load every pointsize

                    font = fdb.font(family, style, 12);

                    QFontInfo fontinfo(font);

                    if (! fontinfo.exactMatch()) {

                        // Unfortunately, this can fail, since

                        // QFontDatabase does not fill in all font

                        // properties.  Check to make sure that the

                        // test didn't fail for obvious reasons

                        if (fontinfo.family().isEmpty()

                                && fontinfo.pointSize() == 0) {

                            // this is a box rendering engine... this can happen from

                            // time to time, especially on X11 with iso10646-1 or

                            // unknown font encodings

                            continue;

                        }

#ifdef Q_WS_WIN32

                        if (font.family().startsWith("MS ") || fontinfo.family().startsWith("MS ")) {

                            /* qDebug("Family matching skipped for MS-Alias font: %s, fontinfo: %s",

                               font.family().latin1(), fontinfo.family().latin1());

                               */

                        } else

#endif

                        {

                            if (!(font.family() == fontinfo.family()

                                        || fontinfo.family().contains(font.family())

                                        || fontinfo.family().isEmpty())) {

                                qDebug("Test about to fail for font: %s, fontinfo: %s",

                                        font.family().toLatin1().constData(),

                                        fontinfo.family().toLatin1().constData());

                            }

                            QVERIFY(font.family() == fontinfo.family()

                                    || fontinfo.family().contains(font.family())

                                    || fontinfo.family().isEmpty());

                        }

                        if (font.pointSize() != -1) {

                            QVERIFY(font.pointSize() == fontinfo.pointSize());

                        } else {

                            QVERIFY(font.pixelSize() == fontinfo.pixelSize());

                        }

                        QVERIFY(font.italic() == fontinfo.italic());

                        if (font.weight() != fontinfo.weight()) {

                            qDebug("font is %s", font.toString().toLatin1().constData());

                        }

                        QVERIFY(font.weight() == fontinfo.weight());

                    } else {

                        font.setFixedPitch(!fontinfo.fixedPitch());

                        QFontInfo fontinfo1(font);

                        QVERIFY( !fontinfo1.exactMatch() );

                        font.setFixedPitch(fontinfo.fixedPitch());

                        QFontInfo fontinfo2(font);

                        QVERIFY( fontinfo2.exactMatch() );

                    }

                }

#if 0

                // ############## can only work if we have float point sizes in QFD

                else {

                    QList<int> sizes = fdb.pointSizes(family, style);

                    QVERIFY(!sizes.isEmpty());

                    QList<int>::ConstIterator z_it, z_end = sizes.end();

                    for (z_it = sizes.begin(); z_it != z_end; ++z_it) {

                        const int size = *z_it;

                        // Initialize the font, and check if it is an exact match

                        font = fdb.font(family, style, size);

                        QFontInfo fontinfo(font, (QFont::Script) script);

                        if (! fontinfo.exactMatch()) {

                            // Unfortunately, this can fail, since

                            // QFontDatabase does not fill in all font

                            // properties.  Check to make sure that the

                            // test didn't fail for obvious reasons

                            if (fontinfo.family().isEmpty()

                                    && fontinfo.pointSize() == 0) {

                                // this is a box rendering engine... this can happen from

                                // time to time, especially on X11 with iso10646-1 or

                                // unknown font encodings

                                continue;

                            }

                            // no need to skip MS-fonts here it seems

                            if (!(font.family() == fontinfo.family()

                                        || fontinfo.family().contains(font.family())

                                        || fontinfo.family().isEmpty())) {

                                qDebug("Test about to fail for font: %s, fontinfo: %s",

                                        font.family().latin1(), fontinfo.family().latin1());

                            }

                            QVERIFY(font.family() == fontinfo.family()

                                    || fontinfo.family().contains(font.family())

                                    || fontinfo.family().isEmpty());

                            if (font.pointSize() != -1) {

                                QVERIFY(font.pointSize() == fontinfo.pointSize());

                            } else {

                                QVERIFY(font.pixelSize() == fontinfo.pixelSize());

                            }

                            QVERIFY(font.italic() == fontinfo.italic());

                            QVERIFY(font.weight() == fontinfo.weight());

                        } else {

                            font.setFixedPitch(!fontinfo.fixedPitch());

                            QFontInfo fontinfo1(font, (QFont::Script) script);

                            QVERIFY( !fontinfo1.exactMatch() );

                            font.setFixedPitch(fontinfo.fixedPitch());

                            QFontInfo fontinfo2(font, (QFont::Script) script);

                            QVERIFY( fontinfo2.exactMatch() );

                        }

                    }

                }

#endif

            }

        }

    }

}

void tst_QFont::italicOblique()

{

    QFontDatabase fdb;

    QStringList families = fdb.families();

    if (families.isEmpty())

        return;

    QStringList::ConstIterator f_it, f_end = families.end();

    for (f_it = families.begin(); f_it != f_end; ++f_it) {

	QString family = *f_it;

	QStringList styles = fdb.styles(family);

	QVERIFY(!styles.isEmpty());

	QStringList::ConstIterator s_it, s_end = styles.end();

	for (s_it = styles.begin(); s_it != s_end; ++s_it) {

	    QString style = *s_it;

	    if (fdb.isSmoothlyScalable(family, style)) {

		if (style.contains("Oblique")) {

		    style.replace("Oblique", "Italic");

		} else if (style.contains("Italic")) {

		    style.replace("Italic", "Oblique");

		} else {

		    continue;

		}

		QFont f = fdb.font(family, style, 12);

		QVERIFY(f.italic());

	    }

	}

    }

}

void tst_QFont::compare()

{

    QFont font;

    {

	QFont font2 = font;

	font2.setPointSize( 24 );

	QVERIFY( font != font2 );

    QCOMPARE(font < font2,!(font2 < font));

    }

    {

	QFont font2 = font;

	font2.setPixelSize( 24 );

	QVERIFY( font != font2 );

    QCOMPARE(font < font2,!(font2 < font));

    }

    font.setPointSize(12);

    font.setItalic(false);

    font.setWeight(QFont::Normal);

    font.setUnderline(false);

    font.setStrikeOut(false);

    font.setOverline(false);

    {

	QFont font2 = font;

	font2.setPointSize( 24 );

	QVERIFY( font != font2 );

    QCOMPARE(font < font2,!(font2 < font));

    }

    {

	QFont font2 = font;

	font2.setPixelSize( 24 );

	QVERIFY( font != font2 );

    QCOMPARE(font < font2,!(font2 < font));

    }

    {

	QFont font2 = font;

	font2.setItalic(true);

	QVERIFY( font != font2 );

    QCOMPARE(font < font2,!(font2 < font));

	font2.setItalic(false);

	QVERIFY( font == font2 );

    QVERIFY(!(font < font2));

	font2.setWeight(QFont::Bold);

	QVERIFY( font != font2 );

    QCOMPARE(font < font2,!(font2 < font));

	font2.setWeight(QFont::Normal);

	QVERIFY( font == font2 );

    QVERIFY(!(font < font2));

	font.setUnderline(true);

	QVERIFY( font != font2 );

    QCOMPARE(font < font2,!(font2 < font));

	font.setUnderline(false);

	QVERIFY( font == font2 );

    QVERIFY(!(font < font2));

	font.setStrikeOut(true);

	QVERIFY( font != font2 );

    QCOMPARE(font < font2,!(font2 < font));

	font.setStrikeOut(false);

	QVERIFY( font == font2 );

    QVERIFY(!(font < font2));

	font.setOverline(true);

	QVERIFY( font != font2 );

    QCOMPARE(font < font2,!(font2 < font));

	font.setOverline(false);

	QVERIFY( font == font2 );

    QVERIFY(!(font < font2));

        font.setCapitalization(QFont::SmallCaps);

        QVERIFY( font != font2 );

    QCOMPARE(font < font2,!(font2 < font));

        font.setCapitalization(QFont::MixedCase);

        QVERIFY( font == font2 );

    QVERIFY(!(font < font2));

    }

#if defined(Q_WS_X11)

    {

	QFont font1, font2;

	font1.setRawName("-Adobe-Helvetica-medium-r-normal--12-120-75-75-p-67-iso8859-1");

	font2.setRawName("-Adobe-Helvetica-medium-r-normal--24-240-75-75-p-130-iso8859-1");

	QVERIFY(font1 != font2);

    }

#endif

}

void tst_QFont::resolve()

{

    QFont font;

    font.setPointSize(font.pointSize() * 2);

    font.setItalic(false);

    font.setWeight(QFont::Normal);

    font.setUnderline(false);

    font.setStrikeOut(false);

    font.setOverline(false);

    font.setStretch(QFont::Unstretched);

    QFont font1;

    font1.setWeight(QFont::Bold);

    QFont font2 = font1.resolve(font);

    QVERIFY(font2.weight() == font1.weight());

    QVERIFY(font2.pointSize() == font.pointSize());

    QVERIFY(font2.italic() == font.italic());

    QVERIFY(font2.underline() == font.underline());

    QVERIFY(font2.overline() == font.overline());

    QVERIFY(font2.strikeOut() == font.strikeOut());

    QVERIFY(font2.stretch() == font.stretch());

    QFont font3;

    font3.setStretch(QFont::UltraCondensed);

    QFont font4 = font3.resolve(font1).resolve(font);

    QVERIFY(font4.stretch() == font3.stretch());

    QVERIFY(font4.weight() == font.weight());

    QVERIFY(font4.pointSize() == font.pointSize());

    QVERIFY(font4.italic() == font.italic());

    QVERIFY(font4.underline() == font.underline());

    QVERIFY(font4.overline() == font.overline());

    QVERIFY(font4.strikeOut() == font.strikeOut());

    QFont f1,f2,f3;

    f2.setPointSize(45);

    f3.setPointSize(55);

    QFont f4 = f1.resolve(f2);

    QCOMPARE(f4.pointSize(), 45);

    f4 = f4.resolve(f3);

    QCOMPARE(f4.pointSize(), 55);

}

void tst_QFont::resetFont()

{

    QWidget parent;

    QFont parentFont = parent.font();

    parentFont.setPointSize(parentFont.pointSize() + 2);

    parent.setFont(parentFont);

    QWidget *child = new QWidget(&parent);

    QFont childFont = child->font();

    childFont.setBold(!childFont.bold());

    child->setFont(childFont);

    QVERIFY(parentFont.resolve() != 0);

    QVERIFY(childFont.resolve() != 0);

    QVERIFY(childFont != parentFont);

    child->setFont(QFont()); // reset font

    QVERIFY(child->font().resolve() == 0);

    QVERIFY(child->font().pointSize() == parent.font().pointSize());

    QVERIFY(parent.font().resolve() != 0);

}

void tst_QFont::isCopyOf()

{

    QFont font;

    QVERIFY(font.isCopyOf(QApplication::font()));

    QFont font2("bogusfont",  23);

    QVERIFY(! font2.isCopyOf(QApplication::font()));

    QFont font3 = font;

    QVERIFY(font3.isCopyOf(font));

    font3.setPointSize(256);

    QVERIFY(!font3.isCopyOf(font));

    font3.setPointSize(font.pointSize());

    QVERIFY(!font3.isCopyOf(font));

}

void tst_QFont::setFontRaw()

{

#ifndef Q_WS_X11

    QSKIP("Only tested on X11", SkipAll);

#else

    QFont f;

    f.setRawName("-*-fixed-bold-r-normal--0-0-*-*-*-0-iso8859-1");

//     qDebug("font family: %s", f.family().utf8());

    QFontDatabase fdb;

    QStringList families = fdb.families();

    bool found = false;

    for (int i = 0; i < families.size(); ++i) {

        QString str = families.at(i);

        if (str.contains('['))

            str = str.left(str.indexOf('[')-1);

        if (str.toLower() == "fixed")

            found = true;

    }

    if (!found) {

        QSKIP("Fixed font not available.", SkipSingle);

    }

    QCOMPARE(QFontInfo(f).family().left(5).toLower(), QString("fixed"));