/****************************************************************************+
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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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#include <QtTest/QtTest>+
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+
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#ifdef QTEST_XMLPATTERNS+
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+
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#include "private/qautoptr_p.h"+
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+
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using namespace QPatternist;+
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+
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/*!+
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 \class tst_QAutoPtr+
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 \internal+
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 \since 4.4+
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 \brief Tests class QAutoPtr.+
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+
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 */+
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class tst_QAutoPtr : public QObject+
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{+
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    Q_OBJECT+
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+
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private Q_SLOTS:+
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    void defaultConstructor() const;+
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    void copyConstructor() const;+
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    void assignmentOperator() const;+
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    void data() const;+
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    void dataSignature() const;+
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    void release() const;+
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    void reset() const;+
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    void onConstObject() const;+
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    void dereferenceOperator() const;+
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    void pointerOperator() const;+
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    void pointerOperatorSignature() const;+
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    void negationOperator() const;+
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    void negationOperatorSignature() const;+
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    void operatorBool() const;+
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    void operatorBoolSignature() const;+
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    /*+
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     TODO:+
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     - Test all the type hierarchy operators/constructors+
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     - No code is at all calling AutoPtr& operator=(AutoPtrRef<T> ref) currently. Is it needed?+
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     - No code is at all calling AutoPtrRef stuff. Is it needed?+
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     - Equalness/unequalness operators?+
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     - Test AutoPtr& operator=(AutoPtrRef<T> ref)+
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     */+
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};+
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+
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void tst_QAutoPtr::defaultConstructor() const+
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{+
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    /* Check that the members, one, is correctly initialized. */+
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    AutoPtr<int> p;+
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    QCOMPARE(p.data(), static_cast<int *>(0));+
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}+
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+
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void tst_QAutoPtr::copyConstructor() const+
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{+
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    /* Copy default constructed value. */+
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    {+
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        AutoPtr<int> p1;+
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        AutoPtr<int> p2(p1);+
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        QCOMPARE(p2.data(), static_cast<int *>(0));+
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    }+
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+
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    /* Copy active value. */+
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    {+
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        AutoPtr<int> p1(new int(7));+
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        AutoPtr<int> p2(p1);+
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        QCOMPARE(*p2.data(), 7);+
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        QCOMPARE(p1.data(), static_cast<int *>(0));+
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    }+
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}+
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+
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void tst_QAutoPtr::assignmentOperator() const+
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{+
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    /* Assign to self, a default constructed value. */+
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    {+
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        AutoPtr<int> p1;+
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        p1 = p1;+
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        p1 = p1;+
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        p1 = p1;+
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    }+
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+
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    /* Assign to a default constructed value. */+
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    {+
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        AutoPtr<int> p1;+
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        AutoPtr<int> p2;+
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        p1 = p2;+
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        p1 = p2;+
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        p1 = p2;+
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    }+
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+
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    /* Assign to an active value. */+
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    {+
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        AutoPtr<int> p1(new int(6));+
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        AutoPtr<int> p2;+
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        p1 = p2;+
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        p1 = p2;+
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        p1 = p2;+
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    }+
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+
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    /* Assign from an active value. */+
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    {+
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        int *const ptr =  new int(6);+
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        AutoPtr<int> p1(ptr);+
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        AutoPtr<int> p2;+
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        p2 = p1;+
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+
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        QCOMPARE(p2.data(), ptr);+
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        /* p1 should have reset. */+
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        QCOMPARE(p1.data(), static_cast<int *>(0));+
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    }+
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}+
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+
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void tst_QAutoPtr::data() const+
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{+
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    AutoPtr<int> p;+
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+
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    QCOMPARE(p.data(), static_cast<int *>(0));+
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}+
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+
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void tst_QAutoPtr::dataSignature() const+
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{+
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    const AutoPtr<int> p;+
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    /* data() should be const. */+
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    p.data();+
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}+
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+
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void tst_QAutoPtr::release() const+
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{+
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    /* Call release() on a default constructed value. */+
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    {+
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        AutoPtr<int> p;+
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        QCOMPARE(p.release(), static_cast<int *>(0));+
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    }+
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+
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    /* Call release() on an active value, it shouldn't delete. */+
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    {+
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        int value = 3;+
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        AutoPtr<int> p(&value);+
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        p.release();+
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    }+
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}+
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+
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void tst_QAutoPtr::reset() const+
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{+
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    /* Call reset() on a default constructed value. */+
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    {+
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        AutoPtr<int> p;+
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        p.reset();+
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    }+
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+
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    /* Call reset() on an active value. */+
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    {+
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        AutoPtr<int> p(new int(3));+
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        p.reset();+
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    }+
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+
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    /* Call reset() with a value, on an active value. */+
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    {+
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        AutoPtr<int> p(new int(3));+
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+
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        int *const value = new int(9);+
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        p.reset(value);+
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        QCOMPARE(*p.data(), 9);+
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    }+
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+
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    /* Call reset() with a value, on default constructed value. */+
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    {+
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        AutoPtr<int> p;+
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+
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        int *const value = new int(9);+
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        p.reset(value);+
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        QCOMPARE(*p.data(), 9);+
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    }+
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}+
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+
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void tst_QAutoPtr::onConstObject() const+
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{+
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    /* Instansiate on a const object. */+
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    AutoPtr<const int> p(new int(3));+
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    p.reset();+
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    p.data();+
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    p.release();+
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    p = p;+
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}+
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+
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class AbstractClass+
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{+
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public:+
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    virtual ~AbstractClass()+
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    {+
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    }+
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+
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    virtual int member() const = 0;+
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};+
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+
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class SubClass : public AbstractClass+
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{+
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public:+
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    virtual int member() const+
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    {+
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        return 5;+
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    }+
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};+
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+
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void tst_QAutoPtr::dereferenceOperator() const+
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{+
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    /* Dereference a basic value. */+
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    {+
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        int value = 5;+
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        AutoPtr<int> p(&value);+
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+
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        const int value2 = *p;+
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        QCOMPARE(value2, 5);+
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        p.release();+
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    }+
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+
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    /* Dereference a pointer to an abstract class. This verifies+
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     * that the operator returns a reference, when compiling+
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     * with MSVC 2005. */+
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    {+
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        AutoPtr<AbstractClass> p(new SubClass());+
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+
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        QCOMPARE((*p).member(), 5);+
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    }+
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}+
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+
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class AnyForm+
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{+
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public:+
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    int value;+
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};+
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+
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void tst_QAutoPtr::pointerOperator() const+
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{+
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    AnyForm af;+
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    af.value = 5;+
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    AutoPtr<AnyForm> p(&af);+
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+
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    QCOMPARE(p->value, 5);+
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    p.release();+
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}+
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+
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void tst_QAutoPtr::pointerOperatorSignature() const+
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{+
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    /* The operator should be const. */+
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    const AutoPtr<AnyForm> p(new AnyForm);+
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    p->value = 5;+
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+
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    QVERIFY(p->value);+
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}+
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+
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void tst_QAutoPtr::negationOperator() const+
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{+
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    /* Invoke on default constructed value. */+
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    {+
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        AutoPtr<int> p;+
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        QVERIFY(!p);+
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    }+
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}+
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+
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void tst_QAutoPtr::negationOperatorSignature() const+
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{+
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    /* The signature should be const. */+
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    const AutoPtr<int> p;+
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    QVERIFY(!p);+
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+
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    /* The return value should be bool. */+
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    QCOMPARE(!p, true);+
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}+
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+
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void tst_QAutoPtr::operatorBool() const+
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{+
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    /* Invoke on default constructed value. */+
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    {+
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        AutoPtr<int> p;+
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        QCOMPARE(bool(p), false);+
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    }+
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+
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    /* Invoke on active value. */+
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    {+
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        AutoPtr<int> p(new int(3));+
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        QVERIFY(p);+
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    }+
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}+
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+
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void tst_QAutoPtr::operatorBoolSignature() const+
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{+
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    /* The signature should be const. */+
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    const AutoPtr<int> p;+
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    QCOMPARE(bool(p), false);+
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}+
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+
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QTEST_MAIN(tst_QAutoPtr)+
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+
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#include "tst_qautoptr.moc"+
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#else+
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QTEST_NOOP_MAIN+
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#endif+
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