| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtQml module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
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| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include <QFont> |
| #include <QString> |
| #include <QtTest> |
| #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" |