qt5base-lts/tests/auto/qdebug/tst_qdebug.cpp

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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.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/QtCore>
#include <QtCore/QtDebug>
#include <QtTest/QtTest>
class tst_QDebug: public QObject
{
Q_OBJECT
private slots:
void assignment() const;
void warningWithoutDebug() const;
void criticalWithoutDebug() const;
void debugWithQBool() const;
void veryLongWarningMessage() const;
void qDebugQStringRef() const;
};
void tst_QDebug::assignment() const
{
QDebug debug1(QtDebugMsg);
QDebug debug2(QtWarningMsg);
QTest::ignoreMessage(QtDebugMsg, "foo ");
QTest::ignoreMessage(QtWarningMsg, "bar 1 2 ");
debug1 << "foo";
debug2 << "bar";
debug1 = debug2;
debug1 << "1";
debug2 << "2";
}
static QtMsgType s_msgType;
static QByteArray s_msg;
static void myMessageHandler(QtMsgType type, const char *msg)
{
s_msg = msg;
s_msgType = type;
}
/*! \internal
The qWarning() stream should be usable even if QT_NO_DEBUG is defined.
*/
void tst_QDebug::warningWithoutDebug() const
{
qInstallMsgHandler(myMessageHandler);
{ qWarning() << "A qWarning() message"; }
QCOMPARE(s_msgType, QtWarningMsg);
QCOMPARE(QString::fromLatin1(s_msg.data()), QString::fromLatin1("A qWarning() message "));
qInstallMsgHandler(0);
}
/*! \internal
The qCritical() stream should be usable even if QT_NO_DEBUG is defined.
*/
void tst_QDebug::criticalWithoutDebug() const
{
qInstallMsgHandler(myMessageHandler);
{ qCritical() << "A qCritical() message"; }
QCOMPARE(s_msgType, QtCriticalMsg);
QCOMPARE(QString::fromLatin1(s_msg), QString::fromLatin1("A qCritical() message "));
qInstallMsgHandler(0);
}
void tst_QDebug::debugWithQBool() const
{
qInstallMsgHandler(myMessageHandler);
{ qDebug() << QBool(false) << QBool(true); }
QCOMPARE(s_msgType, QtDebugMsg);
QCOMPARE(QString::fromLatin1(s_msg), QString::fromLatin1("false true "));
qInstallMsgHandler(0);
}
void tst_QDebug::veryLongWarningMessage() const
{
qInstallMsgHandler(myMessageHandler);
QString test;
{
QString part("0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789\n");
for (int i = 0; i < 1000; ++i)
test.append(part);
qWarning("Test output:\n%s\nend", qPrintable(test));
}
QCOMPARE(s_msgType, QtWarningMsg);
QCOMPARE(QString::fromLatin1(s_msg), QString::fromLatin1("Test output:\n")+test+QString::fromLatin1("\nend"));
qInstallMsgHandler(0);
}
void tst_QDebug::qDebugQStringRef() const
{
/* Use a basic string. */
{
const QString in(QLatin1String("input"));
const QStringRef inRef(&in);
qInstallMsgHandler(myMessageHandler);
{ qDebug() << inRef; }
QCOMPARE(s_msgType, QtDebugMsg);
QCOMPARE(QString::fromLatin1(s_msg), QString::fromLatin1("\"input\" "));
qInstallMsgHandler(0);
}
/* Use a null QStringRef. */
{
const QStringRef inRef;
qInstallMsgHandler(myMessageHandler);
{ qDebug() << inRef; }
QCOMPARE(s_msgType, QtDebugMsg);
QCOMPARE(QString::fromLatin1(s_msg), QString::fromLatin1("\"\" "));
qInstallMsgHandler(0);
}
}
QTEST_MAIN(tst_QDebug);
#include "tst_qdebug.moc"