qt5base-lts/tests/auto/gui/text/qtextdocumentlayout/tst_qtextdocumentlayout.cpp
David Skoland 27d96b4789 Replace QtTest headers with QTest
Complete search and replace of QtTest and QtTest/QtTest with QTest, as
QtTest includes the whole module. Replace all such instances with
correct header includes. See Jira task for more discussion.

Fixes: QTBUG-88831
Change-Id: I981cfae18a1cabcabcabee376016b086d9d01f44
Pick-to: 6.0
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
2020-12-22 15:20:30 +01:00

410 lines
12 KiB
C++

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite 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
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** 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 <QTest>
#include <qtextdocument.h>
#include <qabstracttextdocumentlayout.h>
#include <qdebug.h>
#include <qpainter.h>
#include <qtexttable.h>
#ifndef QT_NO_WIDGETS
#include <qtextedit.h>
#include <qscrollbar.h>
#endif
class tst_QTextDocumentLayout : public QObject
{
Q_OBJECT
private slots:
void init();
void cleanup();
void cleanupTestCase();
void defaultPageSizeHandling();
void idealWidth();
void lineSeparatorFollowingTable();
#ifndef QT_NO_WIDGETS
void wrapAtWordBoundaryOrAnywhere();
#endif
void inlineImage();
void clippedTableCell();
void floatingTablePageBreak();
void imageAtRightAlignedTab();
void blockVisibility();
void largeImage();
private:
QTextDocument *doc;
};
void tst_QTextDocumentLayout::init()
{
doc = new QTextDocument;
}
void tst_QTextDocumentLayout::cleanup()
{
delete doc;
doc = 0;
}
void tst_QTextDocumentLayout::cleanupTestCase()
{
if (qgetenv("QTEST_KEEP_IMAGEDATA").toInt() == 0) {
QFile::remove(QLatin1String("expected.png"));
QFile::remove(QLatin1String("img.png"));
}
}
void tst_QTextDocumentLayout::defaultPageSizeHandling()
{
QAbstractTextDocumentLayout *layout = doc->documentLayout();
QVERIFY(layout);
QVERIFY(!doc->pageSize().isValid());
QSizeF docSize = layout->documentSize();
QVERIFY(docSize.width() > 0 && docSize.width() < 1000);
QVERIFY(docSize.height() > 0 && docSize.height() < 1000);
doc->setPlainText("Some text\nwith a few lines\nand not real information\nor anything otherwise useful");
docSize = layout->documentSize();
QVERIFY(docSize.isValid());
QVERIFY(docSize.width() != INT_MAX);
QVERIFY(docSize.height() != INT_MAX);
}
void tst_QTextDocumentLayout::idealWidth()
{
doc->setPlainText("Some text\nwith a few lines\nand not real information\nor anything otherwise useful");
doc->setTextWidth(1000);
QCOMPARE(doc->textWidth(), qreal(1000));
QCOMPARE(doc->size().width(), doc->textWidth());
QVERIFY(doc->idealWidth() < doc->textWidth());
QVERIFY(doc->idealWidth() > 0);
QTextBlockFormat fmt;
fmt.setAlignment(Qt::AlignRight | Qt::AlignAbsolute);
QTextCursor cursor(doc);
cursor.select(QTextCursor::Document);
cursor.mergeBlockFormat(fmt);
QCOMPARE(doc->textWidth(), qreal(1000));
QCOMPARE(doc->size().width(), doc->textWidth());
QVERIFY(doc->idealWidth() < doc->textWidth());
QVERIFY(doc->idealWidth() > 0);
}
// none of the QTextLine items in the document should intersect with the margin rect
void tst_QTextDocumentLayout::lineSeparatorFollowingTable()
{
QString html_begin("<html><table border=1><tr><th>Column 1</th></tr><tr><td>Data</td></tr></table><br>");
QString html_text("bla bla bla bla bla bla bla bla<br>");
QString html_end("<table border=1><tr><th>Column 1</th></tr><tr><td>Data</td></tr></table></html>");
QString html = html_begin;
for (int i = 0; i < 80; ++i)
html += html_text;
html += html_end;
doc->setHtml(html);
QTextCursor cursor(doc);
cursor.movePosition(QTextCursor::Start);
const int margin = 87;
const int pageWidth = 873;
const int pageHeight = 1358;
QTextFrameFormat fmt = doc->rootFrame()->frameFormat();
fmt.setMargin(margin);
doc->rootFrame()->setFrameFormat(fmt);
QFont font(doc->defaultFont());
font.setPointSize(10);
doc->setDefaultFont(font);
doc->setPageSize(QSizeF(pageWidth, pageHeight));
QRectF marginRect(QPointF(0, pageHeight - margin), QSizeF(pageWidth, 2 * margin));
// force layouting
doc->pageCount();
for (QTextBlock block = doc->begin(); block != doc->end(); block = block.next()) {
QTextLayout *layout = block.layout();
for (int i = 0; i < layout->lineCount(); ++i) {
QTextLine line = layout->lineAt(i);
QRectF rect = line.rect().translated(layout->position());
QVERIFY(!rect.intersects(marginRect));
}
}
}
#ifndef QT_NO_WIDGETS
void tst_QTextDocumentLayout::wrapAtWordBoundaryOrAnywhere()
{
//task 150562
QTextEdit edit;
edit.setText("<table><tr><td>hello hello hello"
"thisisabigwordthisisabigwordthisisabigwordthisisabigwordthisisabigword"
"hello hello hello</td></tr></table>");
edit.setWordWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
edit.resize(100, 100);
edit.show();
QVERIFY(!edit.horizontalScrollBar()->isVisible());
}
#endif
void tst_QTextDocumentLayout::inlineImage()
{
doc->setPageSize(QSizeF(800, 500));
QImage img(400, 400, QImage::Format_RGB32);
QLatin1String name("bigImage");
doc->addResource(QTextDocument::ImageResource, QUrl(name), img);
QTextImageFormat imgFormat;
imgFormat.setName(name);
imgFormat.setWidth(img.width());
QTextFrameFormat fmt = doc->rootFrame()->frameFormat();
qreal height = doc->pageSize().height() - fmt.topMargin() - fmt.bottomMargin();
imgFormat.setHeight(height);
QTextCursor cursor(doc);
cursor.insertImage(imgFormat);
QCOMPARE(doc->pageCount(), 1);
}
void tst_QTextDocumentLayout::clippedTableCell()
{
const char *html =
"<table style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\""
"border=\"0\" margin=\"0\" cellpadding=\"0\" cellspacing=\"0\"><tr><td></td></tr></table>";
doc->setHtml(html);
doc->pageSize();
QTextCursor cursor(doc);
cursor.movePosition(QTextCursor::Right);
QTextTable *table = cursor.currentTable();
QVERIFY(table);
QTextCursor cellCursor = table->cellAt(0, 0).firstCursorPosition();
QImage src(16, 16, QImage::Format_ARGB32_Premultiplied);
src.fill(0xffff0000);
cellCursor.insertImage(src);
QTextBlock block = cellCursor.block();
QRectF r = doc->documentLayout()->blockBoundingRect(block);
QRectF rect(0, 0, r.left() + 1, 64);
QImage img(64, 64, QImage::Format_ARGB32_Premultiplied);
img.fill(0x0);
QImage expected = img;
QPainter p(&img);
doc->drawContents(&p, rect);
p.end();
p.begin(&expected);
r.setWidth(1);
p.fillRect(r, Qt::red);
p.end();
img.save("img.png");
expected.save("expected.png");
QCOMPARE(img, expected);
}
void tst_QTextDocumentLayout::floatingTablePageBreak()
{
doc->clear();
QTextCursor cursor(doc);
QTextTableFormat tableFormat;
tableFormat.setPosition(QTextFrameFormat::FloatLeft);
QTextTable *table = cursor.insertTable(50, 1, tableFormat);
Q_UNUSED(table);
// Make height of document 2/3 of the table, fitting the table into two pages
QSizeF documentSize = doc->size();
documentSize.rheight() *= 2.0 / 3.0;
doc->setPageSize(documentSize);
QCOMPARE(doc->pageCount(), 2);
}
void tst_QTextDocumentLayout::imageAtRightAlignedTab()
{
doc->clear();
QTextFrameFormat fmt = doc->rootFrame()->frameFormat();
fmt.setMargin(0);
doc->rootFrame()->setFrameFormat(fmt);
QTextCursor cursor(doc);
QTextBlockFormat blockFormat;
QList<QTextOption::Tab> tabs;
QTextOption::Tab tab;
tab.position = 300;
tab.type = QTextOption::RightTab;
tabs.append(tab);
blockFormat.setTabPositions(tabs);
// First block: text, some of it right-aligned
cursor.insertBlock(blockFormat);
cursor.insertText("first line\t");
cursor.insertText("right-aligned text");
// Second block: text, then right-aligned image
cursor.insertBlock(blockFormat);
cursor.insertText("second line\t");
QImage img(48, 48, QImage::Format_RGB32);
const QString name = QString::fromLatin1("image");
doc->addResource(QTextDocument::ImageResource, QUrl(name), img);
QTextImageFormat imgFormat;
imgFormat.setName(name);
cursor.insertImage(imgFormat);
// Everything should fit into the 300 pixels
qreal bearing = QFontMetricsF(doc->defaultFont()).rightBearing(QLatin1Char('t'));
QCOMPARE(doc->idealWidth(), std::max(300.0, 300.0 - bearing));
}
void tst_QTextDocumentLayout::blockVisibility()
{
QTextCursor cursor(doc);
for (int i = 0; i < 10; ++i) {
if (!doc->isEmpty())
cursor.insertBlock();
cursor.insertText("A");
}
qreal margin = doc->documentMargin();
QSizeF emptySize(2 * margin, 2 * margin);
QSizeF halfSize = doc->size();
halfSize.rheight() -= 2 * margin;
halfSize.rheight() /= 2;
halfSize.rheight() += 2 * margin;
for (int i = 0; i < 10; i += 2) {
QTextBlock block = doc->findBlockByNumber(i);
block.setVisible(false);
doc->markContentsDirty(block.position(), block.length());
}
QCOMPARE(doc->size(), halfSize);
for (int i = 1; i < 10; i += 2) {
QTextBlock block = doc->findBlockByNumber(i);
block.setVisible(false);
doc->markContentsDirty(block.position(), block.length());
}
QCOMPARE(doc->size(), emptySize);
for (int i = 0; i < 10; i += 2) {
QTextBlock block = doc->findBlockByNumber(i);
block.setVisible(true);
doc->markContentsDirty(block.position(), block.length());
}
QCOMPARE(doc->size(), halfSize);
}
void tst_QTextDocumentLayout::largeImage()
{
auto img = QImage(400, 500, QImage::Format_ARGB32_Premultiplied);
img.fill(Qt::black);
{
QTextDocument document;
document.addResource(QTextDocument::ImageResource,
QUrl("data://test.png"), QVariant(img));
document.setPageSize({500, 504});
auto html = "<img src=\"data://test.png\">";
document.setHtml(html);
QCOMPARE(document.pageCount(), 2);
}
{
QTextDocument document;
document.addResource(QTextDocument::ImageResource,
QUrl("data://test.png"), QVariant(img));
document.setPageSize({500, 508});
auto html = "<img src=\"data://test.png\">";
document.setHtml(html);
QCOMPARE(document.pageCount(), 1);
}
{
QTextDocument document;
document.addResource(QTextDocument::ImageResource,
QUrl("data://test.png"), QVariant(img));
document.setPageSize({585, 250});
auto html = "<img src=\"data://test.png\">";
document.setHtml(html);
QCOMPARE(document.pageCount(), 3);
}
{
QTextDocument document;
document.addResource(QTextDocument::ImageResource,
QUrl("data://test.png"), QVariant(img));
document.setPageSize({585, 258});
auto html = "<img src=\"data://test.png\">";
document.setHtml(html);
QCOMPARE(document.pageCount(), 2);
}
}
QTEST_MAIN(tst_QTextDocumentLayout)
#include "tst_qtextdocumentlayout.moc"