/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the test suite of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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+
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#include <QtTest/QtTest>+
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+
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class tst_QGlobal: public QObject+
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{+
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    Q_OBJECT+
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private slots:+
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    void qIsNull();+
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    void qInternalCallbacks();+
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    void for_each();+
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    void qassert();+
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    void qtry();+
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    void checkptr();+
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};+
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+
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void tst_QGlobal::qIsNull()+
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{+
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    double d = 0.0;+
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    float f = 0.0f;+
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+
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    QVERIFY(::qIsNull(d));+
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    QVERIFY(::qIsNull(f));+
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+
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    d += 0.000000001;+
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    f += 0.0000001f;+
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+
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    QVERIFY(!::qIsNull(d));+
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    QVERIFY(!::qIsNull(f));+
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}+
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+
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struct ConnectInfo {+
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    QObject *sender;+
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    QObject *receiver;+
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    QString signal, slot;+
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    int type;+
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    void reset() {+
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        sender = receiver = 0;+
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        signal = slot = QString();+
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        type = -1;+
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    }+
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} connect_info;+
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+
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bool disconnect_callback(void **data)+
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{+
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    connect_info.sender = (QObject *)(data[0]);+
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    connect_info.receiver = (QObject *)(data[2]);+
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    connect_info.signal = QString::fromLatin1((const char *) data[1]);+
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    connect_info.slot = QString::fromLatin1((const char *) data[3]);+
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    return true;+
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}+
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+
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bool connect_callback(void **data)+
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{+
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    disconnect_callback(data);+
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    connect_info.type = *(int *) data[4];+
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    return true;+
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}+
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+
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void tst_QGlobal::qInternalCallbacks()+
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{+
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    QInternal::registerCallback(QInternal::ConnectCallback, connect_callback);+
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    QInternal::registerCallback(QInternal::DisconnectCallback, disconnect_callback);+
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+
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    QObject a, b;+
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    QString signal = QLatin1String("2mysignal(x)");+
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    QString slot = QLatin1String("1myslot(x)");+
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+
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    // Test that connect works as expected...+
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    connect_info.reset();+
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    bool ok = QObject::connect(&a, signal.toLatin1(), &b, slot.toLatin1(), Qt::AutoConnection);+
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    QVERIFY(ok);+
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    QCOMPARE(&a, connect_info.sender);+
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    QCOMPARE(&b, connect_info.receiver);+
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    QCOMPARE(signal, connect_info.signal);+
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    QCOMPARE(slot, connect_info.slot);+
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    QCOMPARE((int) Qt::AutoConnection, connect_info.type);+
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+
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    // Test that disconnect works as expected+
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    connect_info.reset();+
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    ok = QObject::disconnect(&a, signal.toLatin1(), &b, slot.toLatin1());+
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    QVERIFY(ok);+
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    QCOMPARE(&a, connect_info.sender);+
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    QCOMPARE(&b, connect_info.receiver);+
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    QCOMPARE(signal, connect_info.signal);+
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    QCOMPARE(slot, connect_info.slot);+
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+
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    // Unregister callbacks and verify that they are not triggered...+
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    QInternal::unregisterCallback(QInternal::ConnectCallback, connect_callback);+
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    QInternal::unregisterCallback(QInternal::DisconnectCallback, disconnect_callback);+
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+
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    connect_info.reset();+
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    ok = QObject::connect(&a, signal.toLatin1(), &b, slot.toLatin1(), Qt::AutoConnection);+
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    QVERIFY(!ok);+
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    QCOMPARE(connect_info.sender, (QObject *) 0);+
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+
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    ok = QObject::disconnect(&a, signal.toLatin1(), &b, slot.toLatin1());+
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    QVERIFY(!ok);+
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    QCOMPARE(connect_info.sender, (QObject *) 0);+
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}+
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+
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void tst_QGlobal::for_each()+
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{+
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    QList<int> list;+
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    list << 0 << 1 << 2 << 3 << 4 << 5;+
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+
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    int counter = 0;+
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    foreach(int i, list) {+
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        QCOMPARE(i, counter++);+
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    }+
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    QCOMPARE(counter, list.count());+
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+
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    // do it again, to make sure we don't have any for-scoping+
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    // problems with older compilers+
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    counter = 0;+
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    foreach(int i, list) {+
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        QCOMPARE(i, counter++);+
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    }+
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    QCOMPARE(counter, list.count());+
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}+
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+
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void tst_QGlobal::qassert()+
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{+
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    bool passed = false;+
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    if (false) {+
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        Q_ASSERT(false);+
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    } else {+
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        passed = true;+
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    }+
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    QVERIFY(passed);+
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+
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    passed = false;+
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    if (false) {+
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        Q_ASSERT_X(false, "tst_QGlobal", "qassert");+
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    } else {+
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        passed = true;+
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    }+
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    QVERIFY(passed);+
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+
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    passed = false;+
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    if (false)+
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        Q_ASSERT(false);+
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    else+
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        passed = true;+
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    QVERIFY(passed);+
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+
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    passed = false;+
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    if (false)+
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        Q_ASSERT_X(false, "tst_QGlobal", "qassert");+
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    else+
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        passed = true;+
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    QVERIFY(passed);+
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}+
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+
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void tst_QGlobal::qtry()+
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{+
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    int i = 0;+
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    QT_TRY {+
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        i = 1;+
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        QT_THROW(42);+
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        i = 2;+
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    } QT_CATCH(int) {+
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        QCOMPARE(i, 1);+
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        i = 7;+
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    }+
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#ifdef QT_NO_EXCEPTIONS+
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    QCOMPARE(i, 2);+
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#else+
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    QCOMPARE(i, 7);+
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#endif+
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+
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    // check propper if/else scoping+
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    i = 0;+
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    if (true)+
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        QT_TRY {+
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            i = 2;+
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            QT_THROW(42);+
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            i = 4;+
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        } QT_CATCH(int) {+
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            QCOMPARE(i, 2);+
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            i = 4;+
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        }+
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    else+
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        QCOMPARE(i, 0);+
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    QCOMPARE(i, 4);+
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+
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    i = 0;+
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    if (false)+
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        QT_TRY {+
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            i = 2;+
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            QT_THROW(42);+
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            i = 4;+
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        } QT_CATCH(int) {+
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            QCOMPARE(i, 2);+
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            i = 2;+
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        }+
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    else+
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        i = 8;+
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    QCOMPARE(i, 8);+
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+
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    i = 0;+
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    if (false)+
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        i = 42;+
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    else+
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        QT_TRY {+
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            i = 2;+
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            QT_THROW(42);+
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            i = 4;+
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        } QT_CATCH(int) {+
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            QCOMPARE(i, 2);+
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            i = 4;+
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        }+
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    QCOMPARE(i, 4);+
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}+
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+
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void tst_QGlobal::checkptr()+
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{+
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    int i;+
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    QCOMPARE(q_check_ptr(&i), &i);+
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+
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    const char *c = "hello";+
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    QCOMPARE(q_check_ptr(c), c);+
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}+
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+
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QTEST_MAIN(tst_QGlobal)+
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#include "tst_qglobal.moc"+
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