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qt5base-lts/tests/auto/qtextboundaryfinder/tst_qtextboundaryfinder.cpp
Qt by Nokia 38be0d1383 Initial import from the monolithic Qt. 
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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12
2011-04-27 12:05:43 +02:00

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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <qtextboundaryfinder.h>
#include <qfile.h>
#include <qdebug.h>
//TESTED_CLASS=
//TESTED_FILES=gui/text/qtextlayout.h corelib/tools/qtextboundaryfinder.cpp
#ifdef Q_OS_SYMBIAN
#define SRCDIR "$$PWD"
#endif
class tst_QTextBoundaryFinder : public QObject
{
Q_OBJECT
public:
tst_QTextBoundaryFinder();
virtual ~tst_QTextBoundaryFinder();
public slots:
void init();
void cleanup();
private slots:
void graphemeBoundaries();
void wordBoundaries();
void sentenceBoundaries();
void isAtWordStart();
void fastConstructor();
void isAtBoundaryLine();
void toNextBoundary_data();
void toNextBoundary();
void toPreviousBoundary_data();
void toPreviousBoundary();
};
tst_QTextBoundaryFinder::tst_QTextBoundaryFinder()
{
}
tst_QTextBoundaryFinder::~tst_QTextBoundaryFinder()
{
}
void tst_QTextBoundaryFinder::init()
{
#ifndef Q_OS_IRIX
QDir::setCurrent(SRCDIR);
#endif
}
void tst_QTextBoundaryFinder::cleanup()
{
}
void tst_QTextBoundaryFinder::graphemeBoundaries()
{
QFile file("data/GraphemeBreakTest.txt");
file.open(QFile::ReadOnly);
int lines = 0;
while (!file.atEnd()) {
QByteArray line = file.readLine();
if (line.startsWith('#'))
continue;
lines++;
QString test = QString::fromUtf8(line);
int hash = test.indexOf('#');
if (hash > 0)
test = test.left(hash);
test = test.simplified();
test = test.replace(QLatin1String(" "), QString());
QList<int> breakPositions;
QString testString;
int pos = 0;
int strPos = 0;
while (pos < test.length()) {
if (test.at(pos).unicode() == 0xf7)
breakPositions.append(strPos);
else
Q_ASSERT(test.at(pos).unicode() == 0xd7);
++pos;
if (pos < test.length()) {
Q_ASSERT(pos < test.length() - 4);
QString hex = test.mid(pos, 4);
bool ok = true;
testString.append(QChar(hex.toInt(&ok, 16)));
Q_ASSERT(ok);
pos += 4;
}
++strPos;
}
QTextBoundaryFinder finder(QTextBoundaryFinder::Grapheme, testString);
for (int i = 0; i < breakPositions.size(); ++i) {
QCOMPARE(finder.position(), breakPositions.at(i));
finder.toNextBoundary();
}
QCOMPARE(finder.toNextBoundary(), -1);
for (int i = 0; i < testString.length(); ++i) {
finder.setPosition(i);
QCOMPARE(finder.isAtBoundary(), breakPositions.contains(i) == true);
}
}
QCOMPARE(lines, 100); // to see it actually found the file and all.
}
void tst_QTextBoundaryFinder::wordBoundaries()
{
QFile file("data/WordBreakTest.txt");
file.open(QFile::ReadOnly);
while (!file.atEnd()) {
QByteArray line = file.readLine();
if (line.startsWith('#'))
continue;
QString test = QString::fromUtf8(line);
int hash = test.indexOf('#');
if (hash > 0)
test = test.left(hash);
test = test.simplified();
test = test.replace(QLatin1String(" "), QString());
QList<int> breakPositions;
QString testString;
int pos = 0;
int strPos = 0;
while (pos < test.length()) {
if (test.at(pos).unicode() == 0xf7)
breakPositions.append(strPos);
else
Q_ASSERT(test.at(pos).unicode() == 0xd7);
++pos;
if (pos < test.length()) {
Q_ASSERT(pos < test.length() - 4);
QString hex = test.mid(pos, 4);
bool ok = true;
testString.append(QChar(hex.toInt(&ok, 16)));
Q_ASSERT(ok);
pos += 4;
}
++strPos;
}
QTextBoundaryFinder finder(QTextBoundaryFinder::Word, testString);
for (int i = 0; i < breakPositions.size(); ++i) {
QCOMPARE(finder.position(), breakPositions.at(i));
finder.toNextBoundary();
}
QCOMPARE(finder.toNextBoundary(), -1);
for (int i = 0; i < testString.length(); ++i) {
finder.setPosition(i);
QCOMPARE(finder.isAtBoundary(), breakPositions.contains(i) == true);
}
}
}
void tst_QTextBoundaryFinder::sentenceBoundaries()
{
QFile file("data/SentenceBreakTest.txt");
file.open(QFile::ReadOnly);
while (!file.atEnd()) {
QByteArray line = file.readLine();
if (line.startsWith('#'))
continue;
QString test = QString::fromUtf8(line);
int hash = test.indexOf('#');
if (hash > 0)
test = test.left(hash);
test = test.simplified();
test = test.replace(QLatin1String(" "), QString());
QList<int> breakPositions;
QString testString;
int pos = 0;
int strPos = 0;
while (pos < test.length()) {
if (test.at(pos).unicode() == 0xf7)
breakPositions.append(strPos);
else
Q_ASSERT(test.at(pos).unicode() == 0xd7);
++pos;
if (pos < test.length()) {
Q_ASSERT(pos < test.length() - 4);
QString hex = test.mid(pos, 4);
bool ok = true;
testString.append(QChar(hex.toInt(&ok, 16)));
Q_ASSERT(ok);
pos += 4;
}
++strPos;
}
QTextBoundaryFinder finder(QTextBoundaryFinder::Sentence, testString);
for (int i = 0; i < breakPositions.size(); ++i) {
QCOMPARE(finder.position(), breakPositions.at(i));
finder.toNextBoundary();
}
QCOMPARE(finder.toNextBoundary(), -1);
for (int i = 0; i < testString.length(); ++i) {
finder.setPosition(i);
QCOMPARE(finder.isAtBoundary(), breakPositions.contains(i) == true);
}
}
}
void tst_QTextBoundaryFinder::isAtWordStart()
{
QString txt("The quick brown fox jumped over $the lazy. dog I win!");
QList<int> start, end;
start << 0 << 4 << 10 << 16 << 20 << 27 << 32 << 33 << 37 << 41 << 43 << 48 << 50 << 53;
end << 3 << 9 << 15 << 19 << 26 << 31 << 33 << 36 << 41 << 42 << 46 << 49 << 53 << 54;
QTextBoundaryFinder finder(QTextBoundaryFinder::Word, txt);
for(int i=0; i < txt.length(); ++i) {
finder.setPosition(i);
QTextBoundaryFinder::BoundaryReasons r = finder.boundaryReasons();
// qDebug() << i << r;
QCOMPARE((r & QTextBoundaryFinder::StartWord) != 0, start.contains(i) == true);
QCOMPARE((r & QTextBoundaryFinder::EndWord) != 0, end.contains(i) == true);
}
}
void tst_QTextBoundaryFinder::fastConstructor()
{
QString text("Hello World");
QTextBoundaryFinder finder(QTextBoundaryFinder::Word, text.constData(), text.length(), /*buffer*/0, /*buffer size*/0);
QVERIFY(finder.boundaryReasons() == QTextBoundaryFinder::StartWord);
finder.toNextBoundary();
QCOMPARE(finder.position(), 5);
QVERIFY(finder.boundaryReasons() == QTextBoundaryFinder::EndWord);
finder.toNextBoundary();
QCOMPARE(finder.position(), 6);
QVERIFY(finder.boundaryReasons() == QTextBoundaryFinder::StartWord);
finder.toNextBoundary();
QCOMPARE(finder.position(), text.length());
QVERIFY(finder.boundaryReasons() == QTextBoundaryFinder::EndWord);
finder.toNextBoundary();
QVERIFY(finder.boundaryReasons() == QTextBoundaryFinder::NotAtBoundary);
QCOMPARE(finder.position(), -1);
}
void tst_QTextBoundaryFinder::isAtBoundaryLine()
{
// idx 0 1 2 3 4 5 6
// break? - - - - + - +
QChar s[] = { 0x0061, 0x00AD, 0x0062, 0x0009, 0x0063, 0x0064 };
QString text(s, sizeof(s)/sizeof(s[0]));
// qDebug() << "text = " << text << ", length = " << text.length();
QTextBoundaryFinder finder(QTextBoundaryFinder::Line, text.constData(), text.length(), /*buffer*/0, /*buffer size*/0);
finder.setPosition(0);
QVERIFY(finder.isAtBoundary());
finder.setPosition(1);
QVERIFY(!finder.isAtBoundary());
finder.setPosition(2);
QVERIFY(!finder.isAtBoundary());
finder.setPosition(3);
QVERIFY(!finder.isAtBoundary());
finder.setPosition(4);
QVERIFY(finder.isAtBoundary());
finder.setPosition(5);
QVERIFY(!finder.isAtBoundary());
finder.setPosition(6);
QVERIFY(finder.isAtBoundary());
}
Q_DECLARE_METATYPE(QList<int>)
void tst_QTextBoundaryFinder::toNextBoundary_data()
{
QTest::addColumn<QString>("text");
QTest::addColumn<int>("type");
QTest::addColumn< QList<int> >("boundaries");
QList<int> boundaries;
boundaries << 0 << 3 << 4 << 7 << 8 << 11 << 12 << 13 << 16 << 17 << 20 << 21 << 24 << 25;
QTest::newRow("Line") << QString("Aaa bbb ccc. Ddd eee fff.") << int(QTextBoundaryFinder::Word) \
<< boundaries;
boundaries.clear();
boundaries << 0 << 13 << 25;
QTest::newRow("Line") << QString("Aaa bbb ccc. Ddd eee fff.") << int(QTextBoundaryFinder::Sentence) \
<< boundaries;
boundaries.clear();
boundaries << 0 << 4 << 8 << 13 << 17 << 21 << 25;
QTest::newRow("Line") << QString("Aaa bbb ccc. Ddd eee fff.") << int(QTextBoundaryFinder::Line) \
<< boundaries;
boundaries.clear();
boundaries << 0 << 5 << 9 << 15 << 17 << 21 << 28;
QTest::newRow("Line") << QString::fromUtf8("Diga-nos qualé a sua opinião") << int(QTextBoundaryFinder::Line)
<< boundaries;
}
void tst_QTextBoundaryFinder::toNextBoundary()
{
QFETCH(QString, text);
QFETCH(int, type);
QFETCH(QList<int>, boundaries);
QList<int> foundBoundaries;
QTextBoundaryFinder boundaryFinder(QTextBoundaryFinder::BoundaryType(type), text);
boundaryFinder.toStart();
for(int next = 0; next != -1; next = boundaryFinder.toNextBoundary())
foundBoundaries << next;
QCOMPARE(boundaries, foundBoundaries);
}
void tst_QTextBoundaryFinder::toPreviousBoundary_data()
{
QTest::addColumn<QString>("text");
QTest::addColumn<int>("type");
QTest::addColumn< QList<int> >("boundaries");
QList<int> boundaries;
boundaries << 25 << 24 << 21 << 20 << 17 << 16 << 13 << 12 << 11 << 8 << 7 << 4 << 3 << 0;
QTest::newRow("Line") << QString("Aaa bbb ccc. Ddd eee fff.") << int(QTextBoundaryFinder::Word)
<< boundaries;
boundaries.clear();
boundaries << 25 << 13 << 0;
QTest::newRow("Line") << QString("Aaa bbb ccc. Ddd eee fff.") << int(QTextBoundaryFinder::Sentence)
<< boundaries;
boundaries.clear();
boundaries << 25 << 21 << 17 << 13 << 8 << 4 << 0;
QTest::newRow("Line") << QString("Aaa bbb ccc. Ddd eee fff.") << int(QTextBoundaryFinder::Line)
<< boundaries;
boundaries.clear();
boundaries << 28 << 21 << 17 << 15 << 9 << 5 << 0;
QTest::newRow("Line") << QString::fromUtf8("Diga-nos qualé a sua opinião") << int(QTextBoundaryFinder::Line)
<< boundaries;
}
void tst_QTextBoundaryFinder::toPreviousBoundary()
{
QFETCH(QString, text);
QFETCH(int, type);
QFETCH(QList<int>, boundaries);
QList<int> foundBoundaries;
QTextBoundaryFinder boundaryFinder(QTextBoundaryFinder::BoundaryType(type), text);
boundaryFinder.toEnd();
for (int previous = boundaryFinder.position();
previous != -1;
previous = boundaryFinder.toPreviousBoundary())
{
foundBoundaries << previous;
}
QCOMPARE(boundaries, foundBoundaries);
}
QTEST_MAIN(tst_QTextBoundaryFinder)
#include "tst_qtextboundaryfinder.moc"
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