126 lines
3.9 KiB
C++
126 lines
3.9 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2014 David Faure <david.faure@kdab.com>
|
|
** Contact: http://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the test suite of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL21$
|
|
** 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 http://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at http://www.qt.io/contact-us.
|
|
**
|
|
** 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 or version 3 as published by the Free
|
|
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
** following information to ensure the GNU Lesser General Public License
|
|
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** As a special exception, The Qt Company gives you certain additional
|
|
** rights. These rights are described in The Qt Company LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include <QDebug>
|
|
#include <QIODevice>
|
|
#include <QString>
|
|
#include <QBuffer>
|
|
#include <qtest.h>
|
|
|
|
class tst_qtextstream : public QObject
|
|
{
|
|
Q_OBJECT
|
|
private slots:
|
|
void writeSingleChar_data();
|
|
void writeSingleChar();
|
|
|
|
private:
|
|
};
|
|
|
|
enum Output { StringOutput, DeviceOutput };
|
|
Q_DECLARE_METATYPE(Output);
|
|
|
|
enum Input { CharStarInput, QStringInput, CharInput, QCharInput };
|
|
Q_DECLARE_METATYPE(Input);
|
|
|
|
void tst_qtextstream::writeSingleChar_data()
|
|
{
|
|
QTest::addColumn<Output>("output");
|
|
QTest::addColumn<Input>("input");
|
|
|
|
QTest::newRow("string_charstar") << StringOutput << CharStarInput;
|
|
QTest::newRow("string_string") << StringOutput << QStringInput;
|
|
QTest::newRow("string_char") << StringOutput << CharInput;
|
|
QTest::newRow("string_qchar") << StringOutput << QCharInput;
|
|
QTest::newRow("device_charstar") << DeviceOutput << CharStarInput;
|
|
QTest::newRow("device_string") << DeviceOutput << QStringInput;
|
|
QTest::newRow("device_char") << DeviceOutput << CharInput;
|
|
QTest::newRow("device_qchar") << DeviceOutput << QCharInput;
|
|
}
|
|
|
|
void tst_qtextstream::writeSingleChar()
|
|
{
|
|
QFETCH(Output, output);
|
|
QFETCH(Input, input);
|
|
|
|
QString str;
|
|
QBuffer buffer;
|
|
QTextStream stream;
|
|
if (output == StringOutput) {
|
|
stream.setString(&str, QIODevice::WriteOnly);
|
|
} else {
|
|
QVERIFY(buffer.open(QIODevice::WriteOnly));
|
|
stream.setDevice(&buffer);
|
|
}
|
|
// Test many different ways to write a single char into a QTextStream
|
|
QString inputString = "h";
|
|
const int amount = 100000;
|
|
switch (input) {
|
|
case CharStarInput:
|
|
QBENCHMARK {
|
|
for (qint64 i = 0; i < amount; ++i)
|
|
stream << "h";
|
|
}
|
|
break;
|
|
case QStringInput:
|
|
QBENCHMARK {
|
|
for (qint64 i = 0; i < amount; ++i)
|
|
stream << inputString;
|
|
}
|
|
break;
|
|
case CharInput:
|
|
QBENCHMARK {
|
|
for (qint64 i = 0; i < amount; ++i)
|
|
stream << 'h';
|
|
}
|
|
break;
|
|
case QCharInput:
|
|
QBENCHMARK {
|
|
for (qint64 i = 0; i < amount; ++i)
|
|
stream << QChar('h');
|
|
}
|
|
break;
|
|
}
|
|
QString result;
|
|
if (output == StringOutput)
|
|
result = str;
|
|
else
|
|
result = QString(buffer.data());
|
|
|
|
QCOMPARE(result.left(10), QString("hhhhhhhhhh"));
|
|
}
|
|
|
|
QTEST_MAIN(tst_qtextstream)
|
|
|
|
#include "main.moc"
|