3859b304e8
- Replace Q[TRY]_VERIFY(pointer == 0) by Q[TRY]_VERIFY(!pointer).
- Replace Q[TRY]_VERIFY(smartPointer == 0) by
Q[TRY]_VERIFY(smartPointer.isNull()).
- Replace Q[TRY]_VERIFY(a == b) by Q[TRY]_COMPARE(a, b) and
add casts where necessary. The values will then be logged
should a test fail.
Change-Id: I624deb320c378c18a29b3707f48583d53bfd5186
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@theqtcompany.com>
545 lines
15 KiB
C++
545 lines
15 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtTest/QtTest>
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#include <QTextDocument>
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#include <QTextLayout>
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#include <QDebug>
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#include <QAbstractTextDocumentLayout>
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#include <QSyntaxHighlighter>
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#ifndef QT_NO_WIDGETS
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#include <QTextEdit>
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#endif
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class QTestDocumentLayout : public QAbstractTextDocumentLayout
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{
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Q_OBJECT
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public:
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inline QTestDocumentLayout(QTextDocument *doc)
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: QAbstractTextDocumentLayout(doc), documentChangedCalled(false) {}
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virtual void draw(QPainter *, const QAbstractTextDocumentLayout::PaintContext &) {}
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virtual int hitTest(const QPointF &, Qt::HitTestAccuracy ) const { return 0; }
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virtual void documentChanged(int, int, int) { documentChangedCalled = true; }
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virtual int pageCount() const { return 1; }
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virtual QSizeF documentSize() const { return QSize(); }
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virtual QRectF frameBoundingRect(QTextFrame *) const { return QRectF(); }
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virtual QRectF blockBoundingRect(const QTextBlock &) const { return QRectF(); }
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bool documentChangedCalled;
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};
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class tst_QSyntaxHighlighter : public QObject
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{
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Q_OBJECT
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public:
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inline tst_QSyntaxHighlighter() {}
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public slots:
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void init();
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void cleanup();
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private slots:
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void basic();
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void basicTwo();
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void removeFormatsOnDelete();
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void emptyBlocks();
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void setCharFormat();
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void highlightOnInit();
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void stopHighlightingWhenStateDoesNotChange();
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void unindent();
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void highlightToEndOfDocument();
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void highlightToEndOfDocument2();
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void preservePreeditArea();
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void task108530();
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void avoidUnnecessaryRehighlight();
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void noContentsChangedDuringHighlight();
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void rehighlight();
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void rehighlightBlock();
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#ifndef QT_NO_WIDGETS
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void textEditParent();
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#endif
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private:
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QTextDocument *doc;
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QTestDocumentLayout *lout;
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QTextCursor cursor;
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};
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void tst_QSyntaxHighlighter::init()
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{
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doc = new QTextDocument;
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lout = new QTestDocumentLayout(doc);
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doc->setDocumentLayout(lout);
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cursor = QTextCursor(doc);
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}
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void tst_QSyntaxHighlighter::cleanup()
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{
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delete doc;
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doc = 0;
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}
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class TestHighlighter : public QSyntaxHighlighter
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{
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public:
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inline TestHighlighter(const QVector<QTextLayout::FormatRange> &fmts, QTextDocument *parent)
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: QSyntaxHighlighter(parent), formats(fmts), highlighted(false), callCount(0) {}
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inline TestHighlighter(QObject *parent)
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: QSyntaxHighlighter(parent) {}
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inline TestHighlighter(QTextDocument *parent)
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: QSyntaxHighlighter(parent), highlighted(false), callCount(0) {}
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virtual void highlightBlock(const QString &text)
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{
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for (int i = 0; i < formats.count(); ++i) {
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const QTextLayout::FormatRange &range = formats.at(i);
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setFormat(range.start, range.length, range.format);
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}
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highlighted = true;
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highlightedText += text;
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++callCount;
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}
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QVector<QTextLayout::FormatRange> formats;
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bool highlighted;
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int callCount;
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QString highlightedText;
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};
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void tst_QSyntaxHighlighter::basic()
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{
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QVector<QTextLayout::FormatRange> formats;
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QTextLayout::FormatRange range;
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range.start = 0;
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range.length = 2;
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range.format.setForeground(Qt::blue);
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formats.append(range);
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range.start = 4;
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range.length = 2;
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range.format.setFontItalic(true);
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formats.append(range);
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range.start = 9;
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range.length = 2;
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range.format.setFontUnderline(true);
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formats.append(range);
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TestHighlighter *hl = new TestHighlighter(formats, doc);
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lout->documentChangedCalled = false;
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doc->setPlainText("Hello World");
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QVERIFY(hl->highlighted);
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QVERIFY(lout->documentChangedCalled);
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QCOMPARE(doc->begin().layout()->formats(), formats);
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}
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class CommentTestHighlighter : public QSyntaxHighlighter
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{
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public:
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inline CommentTestHighlighter(QTextDocument *parent)
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: QSyntaxHighlighter(parent), highlighted(false) {}
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inline void reset()
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{
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highlighted = false;
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}
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virtual void highlightBlock(const QString &text)
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{
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QTextCharFormat commentFormat;
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commentFormat.setForeground(Qt::darkGreen);
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commentFormat.setFontWeight(QFont::StyleItalic);
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commentFormat.setFontFixedPitch(true);
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int textLength = text.length();
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if (text.startsWith(QLatin1Char(';'))){
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// The entire line is a comment
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setFormat(0, textLength, commentFormat);
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highlighted = true;
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}
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}
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bool highlighted;
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};
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void tst_QSyntaxHighlighter::basicTwo()
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{
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// Done for task 104409
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CommentTestHighlighter *hl = new CommentTestHighlighter(doc);
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doc->setPlainText("; a test");
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QVERIFY(hl->highlighted);
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QVERIFY(lout->documentChangedCalled);
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}
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void tst_QSyntaxHighlighter::removeFormatsOnDelete()
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{
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QVector<QTextLayout::FormatRange> formats;
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QTextLayout::FormatRange range;
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range.start = 0;
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range.length = 9;
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range.format.setForeground(Qt::blue);
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formats.append(range);
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TestHighlighter *hl = new TestHighlighter(formats, doc);
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lout->documentChangedCalled = false;
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doc->setPlainText("Hello World");
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QVERIFY(hl->highlighted);
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QVERIFY(lout->documentChangedCalled);
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lout->documentChangedCalled = false;
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QVERIFY(!doc->begin().layout()->formats().isEmpty());
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delete hl;
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QVERIFY(doc->begin().layout()->formats().isEmpty());
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QVERIFY(lout->documentChangedCalled);
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}
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void tst_QSyntaxHighlighter::emptyBlocks()
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{
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TestHighlighter *hl = new TestHighlighter(doc);
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cursor.insertText("Foo");
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cursor.insertBlock();
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cursor.insertBlock();
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hl->highlighted = false;
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cursor.insertBlock();
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QVERIFY(hl->highlighted);
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}
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void tst_QSyntaxHighlighter::setCharFormat()
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{
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TestHighlighter *hl = new TestHighlighter(doc);
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cursor.insertText("FooBar");
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cursor.insertBlock();
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cursor.insertText("Blah");
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cursor.movePosition(QTextCursor::Start);
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cursor.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
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QTextCharFormat fmt;
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fmt.setFontItalic(true);
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hl->highlighted = false;
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hl->callCount = 0;
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cursor.mergeCharFormat(fmt);
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QVERIFY(hl->highlighted);
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QCOMPARE(hl->callCount, 2);
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}
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void tst_QSyntaxHighlighter::highlightOnInit()
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{
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cursor.insertText("Hello");
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cursor.insertBlock();
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cursor.insertText("World");
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TestHighlighter *hl = new TestHighlighter(doc);
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QTRY_VERIFY(hl->highlighted);
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}
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class StateTestHighlighter : public QSyntaxHighlighter
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{
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public:
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inline StateTestHighlighter(QTextDocument *parent)
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: QSyntaxHighlighter(parent), state(0), highlighted(false) {}
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inline void reset()
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{
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highlighted = false;
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state = 0;
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}
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virtual void highlightBlock(const QString &text)
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{
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highlighted = true;
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if (text == QLatin1String("changestate"))
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setCurrentBlockState(state++);
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}
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int state;
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bool highlighted;
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};
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void tst_QSyntaxHighlighter::stopHighlightingWhenStateDoesNotChange()
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{
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cursor.insertText("state");
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cursor.insertBlock();
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cursor.insertText("changestate");
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cursor.insertBlock();
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cursor.insertText("keepstate");
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cursor.insertBlock();
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cursor.insertText("changestate");
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cursor.insertBlock();
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cursor.insertText("changestate");
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StateTestHighlighter *hl = new StateTestHighlighter(doc);
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QTRY_VERIFY(hl->highlighted);
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hl->reset();
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// turn the text of the first block into 'changestate'
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cursor.movePosition(QTextCursor::Start);
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cursor.insertText("change");
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// verify that we highlighted only to the 'keepstate' block,
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// not beyond
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QCOMPARE(hl->state, 2);
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}
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void tst_QSyntaxHighlighter::unindent()
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{
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const QString spaces(" ");
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const QString text("Foobar");
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QString plainText;
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for (int i = 0; i < 5; ++i) {
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cursor.insertText(spaces + text);
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cursor.insertBlock();
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plainText += spaces;
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plainText += text;
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plainText += QLatin1Char('\n');
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}
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QCOMPARE(doc->toPlainText(), plainText);
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TestHighlighter *hl = new TestHighlighter(doc);
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hl->callCount = 0;
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cursor.movePosition(QTextCursor::Start);
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cursor.beginEditBlock();
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plainText.clear();
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for (int i = 0; i < 5; ++i) {
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cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor, 4);
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cursor.removeSelectedText();
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cursor.movePosition(QTextCursor::NextBlock);
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plainText += text;
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plainText += QLatin1Char('\n');
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}
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cursor.endEditBlock();
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QCOMPARE(doc->toPlainText(), plainText);
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QCOMPARE(hl->callCount, 5);
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}
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void tst_QSyntaxHighlighter::highlightToEndOfDocument()
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{
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TestHighlighter *hl = new TestHighlighter(doc);
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hl->callCount = 0;
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cursor.movePosition(QTextCursor::Start);
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cursor.beginEditBlock();
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cursor.insertText("Hello");
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cursor.insertBlock();
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cursor.insertBlock();
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cursor.insertText("World");
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cursor.insertBlock();
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cursor.endEditBlock();
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QCOMPARE(hl->callCount, 4);
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}
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void tst_QSyntaxHighlighter::highlightToEndOfDocument2()
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{
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TestHighlighter *hl = new TestHighlighter(doc);
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hl->callCount = 0;
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cursor.movePosition(QTextCursor::End);
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cursor.beginEditBlock();
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QTextBlockFormat fmt;
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fmt.setAlignment(Qt::AlignLeft);
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cursor.setBlockFormat(fmt);
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cursor.insertText("Three\nLines\nHere");
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cursor.endEditBlock();
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QCOMPARE(hl->callCount, 3);
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}
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void tst_QSyntaxHighlighter::preservePreeditArea()
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{
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QVector<QTextLayout::FormatRange> formats;
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QTextLayout::FormatRange range;
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range.start = 0;
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range.length = 8;
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range.format.setForeground(Qt::blue);
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formats << range;
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range.start = 9;
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range.length = 1;
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range.format.setForeground(Qt::red);
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formats << range;
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TestHighlighter *hl = new TestHighlighter(formats, doc);
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doc->setPlainText("Hello World");
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cursor.movePosition(QTextCursor::Start);
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QTextLayout *layout = cursor.block().layout();
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layout->setPreeditArea(5, QString("foo"));
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range.start = 5;
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range.length = 3;
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range.format.setFontUnderline(true);
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formats.clear();
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formats << range;
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hl->callCount = 0;
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cursor.beginEditBlock();
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layout->setFormats(formats);
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cursor.endEditBlock();
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QCOMPARE(hl->callCount, 1);
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formats = layout->formats();
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QCOMPARE(formats.count(), 3);
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range = formats.at(0);
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QCOMPARE(range.start, 5);
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QCOMPARE(range.length, 3);
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QVERIFY(range.format.fontUnderline());
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range = formats.at(1);
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QCOMPARE(range.start, 0);
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QCOMPARE(range.length, 8 + 3);
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range = formats.at(2);
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QCOMPARE(range.start, 9 + 3);
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QCOMPARE(range.length, 1);
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}
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void tst_QSyntaxHighlighter::task108530()
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{
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TestHighlighter *hl = new TestHighlighter(doc);
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cursor.insertText("test");
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hl->callCount = 0;
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hl->highlightedText.clear();
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cursor.movePosition(QTextCursor::Start);
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cursor.insertBlock();
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QCOMPARE(hl->highlightedText, QString("test"));
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QCOMPARE(hl->callCount, 2);
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}
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void tst_QSyntaxHighlighter::avoidUnnecessaryRehighlight()
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{
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TestHighlighter *hl = new TestHighlighter(doc);
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QVERIFY(!hl->highlighted);
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doc->setPlainText("Hello World");
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QVERIFY(hl->highlighted);
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hl->highlighted = false;
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QTRY_VERIFY(!hl->highlighted);
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}
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void tst_QSyntaxHighlighter::noContentsChangedDuringHighlight()
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{
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QVector<QTextLayout::FormatRange> formats;
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QTextLayout::FormatRange range;
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range.start = 0;
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range.length = 10;
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range.format.setForeground(Qt::blue);
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formats.append(range);
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TestHighlighter *hl = new TestHighlighter(formats, doc);
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lout->documentChangedCalled = false;
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QTextCursor cursor(doc);
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QSignalSpy contentsChangedSpy(doc, SIGNAL(contentsChanged()));
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cursor.insertText("Hello World");
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QCOMPARE(contentsChangedSpy.count(), 1);
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QVERIFY(hl->highlighted);
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QVERIFY(lout->documentChangedCalled);
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}
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void tst_QSyntaxHighlighter::rehighlight()
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{
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TestHighlighter *hl = new TestHighlighter(doc);
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hl->callCount = 0;
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doc->setPlainText("Hello");
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hl->callCount = 0;
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hl->rehighlight();
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QCOMPARE(hl->callCount, 1);
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}
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void tst_QSyntaxHighlighter::rehighlightBlock()
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{
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TestHighlighter *hl = new TestHighlighter(doc);
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cursor.movePosition(QTextCursor::Start);
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cursor.beginEditBlock();
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cursor.insertText("Hello");
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cursor.insertBlock();
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cursor.insertText("World");
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cursor.endEditBlock();
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hl->callCount = 0;
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hl->highlightedText.clear();
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QTextBlock block = doc->begin();
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hl->rehighlightBlock(block);
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QCOMPARE(hl->highlightedText, QString("Hello"));
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QCOMPARE(hl->callCount, 1);
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hl->callCount = 0;
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hl->highlightedText.clear();
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hl->rehighlightBlock(block.next());
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QCOMPARE(hl->highlightedText, QString("World"));
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QCOMPARE(hl->callCount, 1);
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}
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#ifndef QT_NO_WIDGETS
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void tst_QSyntaxHighlighter::textEditParent()
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{
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QTextEdit textEdit;
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TestHighlighter *hl = new TestHighlighter(&textEdit);
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QCOMPARE(hl->document(), textEdit.document());
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}
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#endif
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QTEST_MAIN(tst_QSyntaxHighlighter)
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#include "tst_qsyntaxhighlighter.moc"
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