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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/QCoreApplication>
#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 debugWithBool() const;
void debugSpaceHandling() const;
void stateSaver() const;
void veryLongWarningMessage() const;
void qDebugQStringRef() const;
void qDebugQLatin1String() const;
void defaultMessagehandler() 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 QString s_msg;
static QByteArray s_file;
static int s_line;
static QByteArray s_function;
static void myMessageHandler(QtMsgType type, const QMessageLogContext &context, const QString &msg)
{
s_msg = msg;
s_msgType = type;
s_file = context.file;
s_line = context.line;
s_function = context.function;
}
// Helper class to ensure that the testlib message handler gets
// restored at the end of each test function, even if the test
// fails or throws an exception.
class MessageHandlerSetter
{
public:
MessageHandlerSetter(QtMessageHandler newMessageHandler)
: oldMessageHandler(qInstallMessageHandler(newMessageHandler))
{ }
~MessageHandlerSetter()
{
qInstallMessageHandler(oldMessageHandler);
}
private:
QtMessageHandler oldMessageHandler;
};
/*! \internal
The qWarning() stream should be usable even if QT_NO_DEBUG is defined.
*/
void tst_QDebug::warningWithoutDebug() const
{
MessageHandlerSetter mhs(myMessageHandler);
{ qWarning() << "A qWarning() message"; }
QString file = __FILE__; int line = __LINE__ - 1; QString function = Q_FUNC_INFO;
QCOMPARE(s_msgType, QtWarningMsg);
QCOMPARE(s_msg, QString::fromLatin1("A qWarning() message "));
QCOMPARE(QString::fromLatin1(s_file), file);
QCOMPARE(s_line, line);
QCOMPARE(QString::fromLatin1(s_function), function);
}
/*! \internal
The qCritical() stream should be usable even if QT_NO_DEBUG is defined.
*/
void tst_QDebug::criticalWithoutDebug() const
{
MessageHandlerSetter mhs(myMessageHandler);
{ qCritical() << "A qCritical() message"; }
QString file = __FILE__; int line = __LINE__ - 1; QString function = Q_FUNC_INFO;
QCOMPARE(s_msgType, QtCriticalMsg);
QCOMPARE(s_msg, QString::fromLatin1("A qCritical() message "));
QCOMPARE(QString::fromLatin1(s_file), file);
QCOMPARE(s_line, line);
QCOMPARE(QString::fromLatin1(s_function), function);
}
void tst_QDebug::debugWithBool() const
{
MessageHandlerSetter mhs(myMessageHandler);
{ qDebug() << false << true; }
QString file = __FILE__; int line = __LINE__ - 1; QString function = Q_FUNC_INFO;
QCOMPARE(s_msgType, QtDebugMsg);
QCOMPARE(s_msg, QString::fromLatin1("false true "));
QCOMPARE(QString::fromLatin1(s_file), file);
QCOMPARE(s_line, line);
QCOMPARE(QString::fromLatin1(s_function), function);
}
class MyPoint
{
public:
MyPoint(int val1, int val2)
: v1(val1), v2(val2) {}
int v1;
int v2;
};
QDebug operator<< (QDebug s, const MyPoint& point)
{
const QDebugStateSaver saver(s);
return s.nospace() << "MyPoint(" << point.v1 << ", " << point.v2 << ")";
}
class MyLine
{
public:
MyLine(const MyPoint& point1, const MyPoint& point2)
: p1(point1), p2(point2) {}
MyPoint p1;
MyPoint p2;
};
QDebug operator<< (QDebug s, const MyLine& line)
{
const QDebugStateSaver saver(s);
s.nospace() << "MyLine(" << line.p1 << ", " << line.p2 << ")";
return s;
}
void tst_QDebug::debugSpaceHandling() const
{
MessageHandlerSetter mhs(myMessageHandler);
{
QDebug d = qDebug();
QVERIFY(d.autoInsertSpaces());
d.setAutoInsertSpaces(false);
QVERIFY(!d.autoInsertSpaces());
d << " ";
d.setAutoInsertSpaces(true);
QVERIFY(d.autoInsertSpaces());
d << "foo";
d.nospace();
d << "key=" << "value";
d.space();
d << 1 << 2;
MyLine line(MyPoint(10, 11), MyPoint (12, 13));
d << line;
// With the old implementation of MyPoint doing dbg.nospace() << ...; dbg.space() we ended up with
// MyLine(MyPoint(10, 11) , MyPoint(12, 13) )
}
QCOMPARE(s_msg, QString::fromLatin1(" foo key=value 1 2 MyLine(MyPoint(10, 11), MyPoint(12, 13))"));
}
void tst_QDebug::stateSaver() const
{
MessageHandlerSetter mhs(myMessageHandler);
{
QDebug d = qDebug();
{
QDebugStateSaver saver(d);
d.nospace() << hex << right << qSetFieldWidth(3) << qSetPadChar('0') << 42;
}
d.space() << 42;
}
QCOMPARE(s_msg, QString::fromLatin1("02a 42 "));
}
void tst_QDebug::veryLongWarningMessage() const
{
MessageHandlerSetter mhs(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));
}
QString file = __FILE__; int line = __LINE__ - 2; QString function = Q_FUNC_INFO;
QCOMPARE(s_msgType, QtWarningMsg);
QCOMPARE(s_msg, QString::fromLatin1("Test output:\n")+test+QString::fromLatin1("\nend"));
QCOMPARE(QString::fromLatin1(s_file), file);
QCOMPARE(s_line, line);
QCOMPARE(QString::fromLatin1(s_function), function);
}
void tst_QDebug::qDebugQStringRef() const
{
/* Use a basic string. */
{
const QString in(QLatin1String("input"));
const QStringRef inRef(&in);
MessageHandlerSetter mhs(myMessageHandler);
{ qDebug() << inRef; }
QString file = __FILE__; int line = __LINE__ - 1; QString function = Q_FUNC_INFO;
QCOMPARE(s_msgType, QtDebugMsg);
QCOMPARE(s_msg, QString::fromLatin1("\"input\" "));
QCOMPARE(QString::fromLatin1(s_file), file);
QCOMPARE(s_line, line);
QCOMPARE(QString::fromLatin1(s_function), function);
}
/* Use a null QStringRef. */
{
const QStringRef inRef;
MessageHandlerSetter mhs(myMessageHandler);
{ qDebug() << inRef; }
QString file = __FILE__; int line = __LINE__ - 1; QString function = Q_FUNC_INFO;
QCOMPARE(s_msgType, QtDebugMsg);
QCOMPARE(s_msg, QString::fromLatin1("\"\" "));
QCOMPARE(QString::fromLatin1(s_file), file);
QCOMPARE(s_line, line);
QCOMPARE(QString::fromLatin1(s_function), function);
}
}
void tst_QDebug::qDebugQLatin1String() const
{
MessageHandlerSetter mhs(myMessageHandler);
{ qDebug() << QLatin1String("foo") << QLatin1String("") << QLatin1String("barbaz", 3); }
QString file = __FILE__; int line = __LINE__ - 1; QString function = Q_FUNC_INFO;
QCOMPARE(s_msgType, QtDebugMsg);
QCOMPARE(s_msg, QString::fromLatin1("\"foo\" \"\" \"bar\" "));
QCOMPARE(QString::fromLatin1(s_file), file);
QCOMPARE(s_line, line);
QCOMPARE(QString::fromLatin1(s_function), function);
}
void tst_QDebug::defaultMessagehandler() const
{
MessageHandlerSetter mhs(0);
QtMessageHandler defaultMessageHandler1 = qInstallMessageHandler((QtMessageHandler)0);
QtMessageHandler defaultMessageHandler2 = qInstallMessageHandler(myMessageHandler);
bool same = (*defaultMessageHandler1 == *defaultMessageHandler2);
QVERIFY(same);
QtMessageHandler messageHandler = qInstallMessageHandler((QtMessageHandler)0);
same = (*messageHandler == *myMessageHandler);
QVERIFY(same);
}
QTEST_MAIN(tst_QDebug);
#include "tst_qdebug.moc"
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