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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
class tst_QGlobal: public QObject
{
Q_OBJECT
private slots:
void qIsNull();
void qInternalCallbacks();
void for_each();
void qassert();
void qtry();
};
void tst_QGlobal::qIsNull()
{
double d = 0.0;
float f = 0.0f;
QVERIFY(::qIsNull(d));
QVERIFY(::qIsNull(f));
d += 0.000000001;
f += 0.0000001f;
QVERIFY(!::qIsNull(d));
QVERIFY(!::qIsNull(f));
}
struct ConnectInfo {
QObject *sender;
QObject *receiver;
QString signal, slot;
int type;
void reset() {
sender = receiver = 0;
signal = slot = QString();
type = -1;
}
} connect_info;
bool disconnect_callback(void **data)
{
connect_info.sender = (QObject *)(data[0]);
connect_info.receiver = (QObject *)(data[2]);
connect_info.signal = QString::fromLatin1((const char *) data[1]);
connect_info.slot = QString::fromLatin1((const char *) data[3]);
return true;
}
bool connect_callback(void **data)
{
disconnect_callback(data);
connect_info.type = *(int *) data[4];
return true;
}
void tst_QGlobal::qInternalCallbacks()
{
QInternal::registerCallback(QInternal::ConnectCallback, connect_callback);
QInternal::registerCallback(QInternal::DisconnectCallback, disconnect_callback);
QObject a, b;
QString signal = QLatin1String("2mysignal(x)");
QString slot = QLatin1String("1myslot(x)");
// Test that connect works as expected...
connect_info.reset();
bool ok = QObject::connect(&a, signal.toLatin1(), &b, slot.toLatin1(), Qt::AutoConnection);
QVERIFY(ok);
QCOMPARE(&a, connect_info.sender);
QCOMPARE(&b, connect_info.receiver);
QCOMPARE(signal, connect_info.signal);
QCOMPARE(slot, connect_info.slot);
QCOMPARE((int) Qt::AutoConnection, connect_info.type);
// Test that disconnect works as expected
connect_info.reset();
ok = QObject::disconnect(&a, signal.toLatin1(), &b, slot.toLatin1());
QVERIFY(ok);
QCOMPARE(&a, connect_info.sender);
QCOMPARE(&b, connect_info.receiver);
QCOMPARE(signal, connect_info.signal);
QCOMPARE(slot, connect_info.slot);
// Unregister callbacks and verify that they are not triggered...
QInternal::unregisterCallback(QInternal::ConnectCallback, connect_callback);
QInternal::unregisterCallback(QInternal::DisconnectCallback, disconnect_callback);
connect_info.reset();
ok = QObject::connect(&a, signal.toLatin1(), &b, slot.toLatin1(), Qt::AutoConnection);
QVERIFY(!ok);
QCOMPARE(connect_info.sender, (QObject *) 0);
ok = QObject::disconnect(&a, signal.toLatin1(), &b, slot.toLatin1());
QVERIFY(!ok);
QCOMPARE(connect_info.sender, (QObject *) 0);
}
void tst_QGlobal::for_each()
{
QList<int> list;
list << 0 << 1 << 2 << 3 << 4 << 5;
int counter = 0;
foreach(int i, list) {
QCOMPARE(i, counter++);
}
QCOMPARE(counter, list.count());
// do it again, to make sure we don't have any for-scoping
// problems with older compilers
counter = 0;
foreach(int i, list) {
QCOMPARE(i, counter++);
}
QCOMPARE(counter, list.count());
}
void tst_QGlobal::qassert()
{
bool passed = false;
if (false) {
Q_ASSERT(false);
} else {
passed = true;
}
QVERIFY(passed);
passed = false;
if (false) {
Q_ASSERT_X(false, "tst_QGlobal", "qassert");
} else {
passed = true;
}
QVERIFY(passed);
passed = false;
if (false)
Q_ASSERT(false);
else
passed = true;
QVERIFY(passed);
passed = false;
if (false)
Q_ASSERT_X(false, "tst_QGlobal", "qassert");
else
passed = true;
QVERIFY(passed);
}
void tst_QGlobal::qtry()
{
int i = 0;
QT_TRY {
i = 1;
QT_THROW(42);
i = 2;
} QT_CATCH(int) {
QCOMPARE(i, 1);
i = 7;
}
#ifdef QT_NO_EXCEPTIONS
QCOMPARE(i, 2);
#else
QCOMPARE(i, 7);
#endif
// check propper if/else scoping
i = 0;
if (true)
QT_TRY {
i = 2;
QT_THROW(42);
i = 4;
} QT_CATCH(int) {
QCOMPARE(i, 2);
i = 4;
}
else
QCOMPARE(i, 0);
QCOMPARE(i, 4);
i = 0;
if (false)
QT_TRY {
i = 2;
QT_THROW(42);
i = 4;
} QT_CATCH(int) {
QCOMPARE(i, 2);
i = 2;
}
else
i = 8;
QCOMPARE(i, 8);
i = 0;
if (false)
i = 42;
else
QT_TRY {
i = 2;
QT_THROW(42);
i = 4;
} QT_CATCH(int) {
QCOMPARE(i, 2);
i = 4;
}
QCOMPARE(i, 4);
}
QTEST_MAIN(tst_QGlobal)
#include "tst_qglobal.moc"
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