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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 <QString>
#include <QTest>
#include <QCoreApplication>
#include <QQmlComponent>
#include <QQmlEngine>
#include <QQuickItem>
#include <QtQuick/private/qquicktextmetrics_p.h>
#include <QFontMetricsF>
class tst_QQuickTextMetrics : public QObject
{
Q_OBJECT
public:
tst_QQuickTextMetrics();
private Q_SLOTS:
void font();
void functionsWithArguments_data();
void functionsWithArguments();
};
tst_QQuickTextMetrics::tst_QQuickTextMetrics()
{
}
void tst_QQuickTextMetrics::font()
{
QQuickTextMetrics metrics;
QSignalSpy fontSpy(&metrics, SIGNAL(fontChanged()));
QSignalSpy metricsSpy(&metrics, SIGNAL(metricsChanged()));
QFont font;
font.setPointSize(font.pointSize() + 1);
metrics.setFont(font);
QCOMPARE(fontSpy.count(), 1);
QCOMPARE(metricsSpy.count(), 1);
}
Q_DECLARE_METATYPE(Qt::TextElideMode)
void tst_QQuickTextMetrics::functionsWithArguments_data()
{
QTest::addColumn<QString>("text");
QTest::addColumn<Qt::TextElideMode>("mode");
QTest::addColumn<qreal>("width");
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;
}
}
}
}
void tst_QQuickTextMetrics::functionsWithArguments()
{
QFETCH(QString, text);
QFETCH(Qt::TextElideMode, mode);
QFETCH(qreal, width);
QQuickTextMetrics metrics;
// Ensures that the values actually change.
metrics.setText(text + "extra");
metrics.setElideWidth(width + 1);
switch (mode) {
case Qt::ElideNone: metrics.setElide(Qt::ElideMiddle); break;
case Qt::ElideLeft: metrics.setElide(Qt::ElideRight); break;
case Qt::ElideMiddle: metrics.setElide(Qt::ElideNone); break;
case Qt::ElideRight: metrics.setElide(Qt::ElideLeft); break;
}
QSignalSpy textSpy(&metrics, SIGNAL(textChanged()));
QSignalSpy metricsSpy(&metrics, SIGNAL(metricsChanged()));
metrics.setText(text);
QCOMPARE(textSpy.count(), 1);
QCOMPARE(metricsSpy.count(), 1);
QSignalSpy elideSpy(&metrics, SIGNAL(elideChanged()));
metrics.setElide(mode);
QCOMPARE(elideSpy.count(), 1);
QCOMPARE(metricsSpy.count(), 2);
QSignalSpy elideWidthSpy(&metrics, SIGNAL(elideWidthChanged()));
metrics.setElideWidth(width);
QCOMPARE(elideWidthSpy.count(), 1);
QCOMPARE(metricsSpy.count(), 3);
QFontMetricsF expected = QFontMetricsF(QFont());
QCOMPARE(metrics.elidedText(), expected.elidedText(text, mode, width, 0));
QCOMPARE(metrics.advanceWidth(), expected.width(text));
QCOMPARE(metrics.boundingRect(), expected.boundingRect(text));
QCOMPARE(metrics.width(), expected.boundingRect(text).width());
QCOMPARE(metrics.height(), expected.boundingRect(text).height());
QCOMPARE(metrics.tightBoundingRect(), expected.tightBoundingRect(text));
}
QTEST_MAIN(tst_QQuickTextMetrics)
#include "tst_qquicktextmetrics.moc"
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