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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QFont>
#include <QFontDatabase>
#include <QString>
#include <QtTest>
#include <QCoreApplication>
#include <QtQuick/private/qquickfontmetrics_p.h>
#include <QFontMetricsF>
class tst_QuickFontMetrics : public QObject
{
Q_OBJECT
public:
tst_QuickFontMetrics();
private Q_SLOTS:
void properties();
void functions_data();
void functions();
};
tst_QuickFontMetrics::tst_QuickFontMetrics()
{
}
void tst_QuickFontMetrics::properties()
{
const QStringList families = QFontDatabase::families().mid(0, 10);
QQuickFontMetrics metrics;
for (const QString &family : families) {
QFont font(family);
QFontMetricsF expected(font);
QSignalSpy spy(&metrics, SIGNAL(fontChanged(QFont)));
metrics.setFont(font);
QCOMPARE(spy.size(), 1);
QCOMPARE(metrics.ascent(), expected.ascent());
QCOMPARE(metrics.descent(), expected.descent());
QCOMPARE(metrics.height(), expected.height());
QCOMPARE(metrics.leading(), expected.leading());
QCOMPARE(metrics.lineSpacing(), expected.lineSpacing());
QCOMPARE(metrics.minimumLeftBearing(), expected.minLeftBearing());
QCOMPARE(metrics.minimumRightBearing(), expected.minRightBearing());
QCOMPARE(metrics.maximumCharacterWidth(), expected.maxWidth());
QCOMPARE(metrics.xHeight(), expected.xHeight());
QCOMPARE(metrics.averageCharacterWidth(), expected.averageCharWidth());
QCOMPARE(metrics.underlinePosition(), expected.underlinePos());
QCOMPARE(metrics.overlinePosition(), expected.overlinePos());
QCOMPARE(metrics.strikeOutPosition(), expected.strikeOutPos());
QCOMPARE(metrics.lineWidth(), expected.lineWidth());
}
}
Q_DECLARE_METATYPE(Qt::TextElideMode)
void tst_QuickFontMetrics::functions_data()
{
QTest::addColumn<QString>("text");
QTest::addColumn<Qt::TextElideMode>("mode");
QTest::addColumn<qreal>("width");
QTest::addColumn<int>("flags");
QStringList strings;
strings << QString()
<< QString::fromLatin1("")
<< QString::fromLatin1("0")
<< QString::fromLatin1("@@@@@@@")
<< QString::fromLatin1("Hello");
QVector<Qt::TextElideMode> elideModes;
elideModes << Qt::ElideLeft << Qt::ElideMiddle << Qt::ElideRight << Qt::ElideNone;
for (int stringIndex = 0; stringIndex < strings.size(); ++stringIndex) {
const QString string = strings.at(stringIndex);
for (int elideModeIndex = 0; elideModeIndex < elideModes.size(); ++elideModeIndex) {
Qt::TextElideMode elideMode = static_cast<Qt::TextElideMode>(elideModes.at(elideModeIndex));
for (qreal width = 0; width < 100; width += 20) {
const QString tag = QString::fromLatin1("string=%1, mode=%2, width=%3").arg(string).arg(elideMode).arg(width);
QTest::newRow(qPrintable(tag)) << QString() << elideMode << width << 0;
}
}
}
}
void tst_QuickFontMetrics::functions()
{
QFETCH(QString, text);
QFETCH(Qt::TextElideMode, mode);
QFETCH(qreal, width);
QFETCH(int, flags);
QQuickFontMetrics metrics;
QFontMetricsF expected = QFontMetricsF(QFont());
QCOMPARE(metrics.elidedText(text, mode, width, flags), expected.elidedText(text, mode, width, flags));
QCOMPARE(metrics.advanceWidth(text), expected.horizontalAdvance(text));
QCOMPARE(metrics.boundingRect(text), expected.boundingRect(text));
QCOMPARE(metrics.tightBoundingRect(text), expected.tightBoundingRect(text));
}
QTEST_MAIN(tst_QuickFontMetrics)
#include "tst_quickfontmetrics.moc"
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