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/****************************************************************************
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**
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** Copyright (C) 2009 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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#define QT_SHAREDPOINTER_TRACK_POINTERS
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#include "qsharedpointer.h"
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#include <QtTest/QtTest>
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#include <QtCore/QThread>
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#include <QtCore/QVector>
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#include "externaltests.h"
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#include "wrapper.h"
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#include <stdlib.h>
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#include <time.h>
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QT_BEGIN_NAMESPACE
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namespace QtSharedPointer {
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Q_CORE_EXPORT void internalSafetyCheckCleanCheck();
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}
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QT_END_NAMESPACE
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#ifdef Q_OS_SYMBIAN
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#define SRCDIR "."
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#endif
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class tst_QSharedPointer: public QObject
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{
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Q_OBJECT
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private slots:
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void basics_data();
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void basics();
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void swap();
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void forwardDeclaration1();
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void forwardDeclaration2();
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void memoryManagement();
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void downCast();
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void upCast();
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void qobjectWeakManagement();
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void noSharedPointerFromWeakQObject();
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void weakQObjectFromSharedPointer();
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void objectCast();
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void differentPointers();
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void virtualBaseDifferentPointers();
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#ifndef QTEST_NO_RTTI
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void dynamicCast();
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void dynamicCastDifferentPointers();
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void dynamicCastVirtualBase();
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void dynamicCastFailure();
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#endif
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void constCorrectness();
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void customDeleter();
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void creating();
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void creatingQObject();
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void mixTrackingPointerCode();
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void threadStressTest_data();
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void threadStressTest();
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void validConstructs();
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void invalidConstructs_data();
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void invalidConstructs();
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public slots:
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void cleanup() { check(); }
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public:
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inline void check()
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{
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#ifdef QT_BUILD_INTERNAL
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QtSharedPointer::internalSafetyCheckCleanCheck();
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#endif
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}
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};
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template <typename Base>
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class RefCountHack: public Base
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{
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public:
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using Base::d;
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};
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template<typename Base> static inline
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QtSharedPointer::ExternalRefCountData *refCountData(const Base &b)
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{ return static_cast<const RefCountHack<Base> *>(&b)->d; }
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class Data
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{
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public:
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static int destructorCounter;
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static int generationCounter;
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int generation;
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Data() : generation(++generationCounter)
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{ }
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virtual ~Data()
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{
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Q_ASSERT_X(generation > 0, "tst_QSharedPointer", "Double deletion!");
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generation = 0;
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++destructorCounter;
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}
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void doDelete()
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{
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delete this;
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}
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bool alsoDelete()
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{
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doDelete();
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return true;
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}
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virtual void virtualDelete()
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{
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delete this;
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}
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virtual int classLevel() { return 1; }
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};
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int Data::generationCounter = 0;
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int Data::destructorCounter = 0;
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void tst_QSharedPointer::basics_data()
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{
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QTest::addColumn<bool>("isNull");
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QTest::newRow("null") << true;
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QTest::newRow("non-null") << false;
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}
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void tst_QSharedPointer::basics()
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{
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{
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QSharedPointer<Data> ptr;
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QWeakPointer<Data> weakref;
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QCOMPARE(sizeof(ptr), 2*sizeof(void*));
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QCOMPARE(sizeof(weakref), 2*sizeof(void*));
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}
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QFETCH(bool, isNull);
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Data *aData = 0;
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if (!isNull)
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aData = new Data;
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Data *otherData = new Data;
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QSharedPointer<Data> ptr(aData);
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{
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// basic self tests
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QCOMPARE(ptr.isNull(), isNull);
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QCOMPARE(bool(ptr), !isNull);
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QCOMPARE(!ptr, isNull);
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QCOMPARE(ptr.data(), aData);
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QCOMPARE(ptr.operator->(), aData);
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Data &dataReference = *ptr;
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QCOMPARE(&dataReference, aData);
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QVERIFY(ptr == aData);
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QVERIFY(!(ptr != aData));
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QVERIFY(aData == ptr);
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QVERIFY(!(aData != ptr));
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QVERIFY(ptr != otherData);
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QVERIFY(otherData != ptr);
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QVERIFY(! (ptr == otherData));
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QVERIFY(! (otherData == ptr));
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}
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QVERIFY(!refCountData(ptr) || refCountData(ptr)->weakref == 1);
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QVERIFY(!refCountData(ptr) || refCountData(ptr)->strongref == 1);
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{
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// create another object:
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QSharedPointer<Data> otherCopy(otherData);
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QVERIFY(ptr != otherCopy);
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QVERIFY(otherCopy != ptr);
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QVERIFY(! (ptr == otherCopy));
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QVERIFY(! (otherCopy == ptr));
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// otherData is deleted here
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}
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QVERIFY(!refCountData(ptr) || refCountData(ptr)->weakref == 1);
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QVERIFY(!refCountData(ptr) || refCountData(ptr)->strongref == 1);
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{
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// create a copy:
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QSharedPointer<Data> copy(ptr);
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QVERIFY(copy == ptr);
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QVERIFY(ptr == copy);
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QVERIFY(! (copy != ptr));
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QVERIFY(! (ptr != copy));
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QCOMPARE(copy, ptr);
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QCOMPARE(ptr, copy);
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QCOMPARE(copy.isNull(), isNull);
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QCOMPARE(copy.data(), aData);
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QVERIFY(copy == aData);
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}
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QVERIFY(!refCountData(ptr) || refCountData(ptr)->weakref == 1);
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QVERIFY(!refCountData(ptr) || refCountData(ptr)->strongref == 1);
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{
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// create a weak reference:
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QWeakPointer<Data> weak(ptr);
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QCOMPARE(weak.isNull(), isNull);
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QCOMPARE(!weak, isNull);
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QCOMPARE(bool(weak), !isNull);
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QVERIFY(ptr == weak);
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QVERIFY(weak == ptr);
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QVERIFY(! (ptr != weak));
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QVERIFY(! (weak != ptr));
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// create another reference:
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QWeakPointer<Data> weak2(weak);
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QCOMPARE(weak2.isNull(), isNull);
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QCOMPARE(!weak2, isNull);
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QCOMPARE(bool(weak2), !isNull);
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QVERIFY(weak2 == weak);
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QVERIFY(weak == weak2);
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QVERIFY(! (weak2 != weak));
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QVERIFY(! (weak != weak2));
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// create a strong reference back:
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QSharedPointer<Data> strong(weak);
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QVERIFY(strong == weak);
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QVERIFY(strong == ptr);
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QCOMPARE(strong.data(), aData);
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}
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QVERIFY(!refCountData(ptr) || refCountData(ptr)->weakref == 1);
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QVERIFY(!refCountData(ptr) || refCountData(ptr)->strongref == 1);
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// aData is deleted here
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}
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void tst_QSharedPointer::swap()
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{
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QSharedPointer<int> p1, p2(new int(42)), control = p2;
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QVERIFY(p1 != control);
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QVERIFY(p1.isNull());
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QVERIFY(p2 == control);
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QVERIFY(!p2.isNull());
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QVERIFY(*p2 == 42);
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p1.swap(p2);
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QVERIFY(p1 == control);
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QVERIFY(!p1.isNull());
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QVERIFY(p2 != control);
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QVERIFY(p2.isNull());
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QVERIFY(*p1 == 42);
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p1.swap(p2);
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QVERIFY(p1 != control);
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QVERIFY(p1.isNull());
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QVERIFY(p2 == control);
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QVERIFY(!p2.isNull());
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QVERIFY(*p2 == 42);
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qSwap(p1, p2);
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QVERIFY(p1 == control);
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QVERIFY(!p1.isNull());
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QVERIFY(p2 != control);
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QVERIFY(p2.isNull());
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QVERIFY(*p1 == 42);
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}
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class ForwardDeclared;
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ForwardDeclared *forwardPointer();
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void externalForwardDeclaration();
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extern int forwardDeclaredDestructorRunCount;
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void tst_QSharedPointer::forwardDeclaration1()
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{
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#if defined(Q_CC_SUN) || defined(Q_CC_WINSCW) || defined(Q_CC_RVCT)
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QSKIP("This type of forward declaration is not valid with this compiler", SkipAll);
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#else
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externalForwardDeclaration();
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struct Wrapper { QSharedPointer<ForwardDeclared> pointer; };
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forwardDeclaredDestructorRunCount = 0;
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{
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Wrapper w;
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w.pointer = QSharedPointer<ForwardDeclared>(forwardPointer());
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QVERIFY(!w.pointer.isNull());
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}
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QCOMPARE(forwardDeclaredDestructorRunCount, 1);
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#endif
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}
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#include "forwarddeclared.h"
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void tst_QSharedPointer::forwardDeclaration2()
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{
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forwardDeclaredDestructorRunCount = 0;
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{
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struct Wrapper { QSharedPointer<ForwardDeclared> pointer; };
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Wrapper w1, w2;
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w1.pointer = QSharedPointer<ForwardDeclared>(forwardPointer());
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QVERIFY(!w1.pointer.isNull());
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}
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QCOMPARE(forwardDeclaredDestructorRunCount, 1);
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}
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void tst_QSharedPointer::memoryManagement()
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{
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int generation = Data::generationCounter + 1;
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int destructorCounter = Data::destructorCounter;
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QSharedPointer<Data> ptr = QSharedPointer<Data>(new Data);
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QCOMPARE(ptr->generation, generation);
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QCOMPARE(Data::destructorCounter, destructorCounter);
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QCOMPARE(Data::generationCounter, generation);
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ptr = ptr;
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QCOMPARE(ptr->generation, generation);
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QCOMPARE(Data::destructorCounter, destructorCounter);
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QCOMPARE(Data::generationCounter, generation);
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{
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QSharedPointer<Data> copy = ptr;
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QCOMPARE(ptr->generation, generation);
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QCOMPARE(copy->generation, generation);
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// copy goes out of scope, ptr continues
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}
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QCOMPARE(ptr->generation, generation);
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QCOMPARE(Data::destructorCounter, destructorCounter);
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QCOMPARE(Data::generationCounter, generation);
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{
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QWeakPointer<Data> weak = ptr;
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weak = ptr;
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QCOMPARE(ptr->generation, generation);
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QCOMPARE(Data::destructorCounter, destructorCounter);
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QCOMPARE(Data::generationCounter, generation);
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weak = weak;
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QCOMPARE(ptr->generation, generation);
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QCOMPARE(Data::destructorCounter, destructorCounter);
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QCOMPARE(Data::generationCounter, generation);
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QSharedPointer<Data> strong = weak;
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QCOMPARE(ptr->generation, generation);
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QCOMPARE(strong->generation, generation);
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QCOMPARE(Data::destructorCounter, destructorCounter);
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QCOMPARE(Data::generationCounter, generation);
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// both weak and strong go out of scope
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}
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QCOMPARE(ptr->generation, generation);
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QCOMPARE(Data::destructorCounter, destructorCounter);
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QCOMPARE(Data::generationCounter, generation);
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QWeakPointer<Data> weak = ptr;
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ptr = QSharedPointer<Data>();
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// destructor must have been called
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QCOMPARE(Data::destructorCounter, destructorCounter + 1);
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QVERIFY(ptr.isNull());
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QVERIFY(weak.isNull());
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// if we create a strong pointer from the weak, it must still be null
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ptr = weak;
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QVERIFY(ptr.isNull());
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QVERIFY(ptr == 0);
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QCOMPARE(ptr.data(), (Data*)0);
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}
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class DerivedData: public Data
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{
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public:
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static int derivedDestructorCounter;
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int moreData;
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DerivedData() : moreData(0) { }
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~DerivedData() { ++derivedDestructorCounter; }
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virtual void virtualDelete()
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{
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delete this;
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}
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virtual int classLevel() { return 2; }
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};
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int DerivedData::derivedDestructorCounter = 0;
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class Stuffing
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{
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public:
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char buffer[16];
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Stuffing() { for (uint i = 0; i < sizeof buffer; ++i) buffer[i] = 16 - i; }
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virtual ~Stuffing() { }
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};
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432 |
class DiffPtrDerivedData: public Stuffing, public Data
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{
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public:
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virtual int classLevel() { return 3; }
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};
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class VirtualDerived: virtual public Data
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{
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public:
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int moreData;
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443 |
VirtualDerived() : moreData(0xc0ffee) { }
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virtual int classLevel() { return 4; }
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};
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|
|
447 |
void tst_QSharedPointer::downCast()
|
|
448 |
{
|
|
449 |
{
|
|
450 |
QSharedPointer<DerivedData> ptr = QSharedPointer<DerivedData>(new DerivedData);
|
|
451 |
QSharedPointer<Data> baseptr = qSharedPointerCast<Data>(ptr);
|
|
452 |
QSharedPointer<Data> other;
|
|
453 |
|
|
454 |
QVERIFY(ptr == baseptr);
|
|
455 |
QVERIFY(baseptr == ptr);
|
|
456 |
QVERIFY(! (ptr != baseptr));
|
|
457 |
QVERIFY(! (baseptr != ptr));
|
|
458 |
|
|
459 |
QVERIFY(ptr != other);
|
|
460 |
QVERIFY(other != ptr);
|
|
461 |
QVERIFY(! (ptr == other));
|
|
462 |
QVERIFY(! (other == ptr));
|
|
463 |
}
|
|
464 |
|
|
465 |
{
|
|
466 |
QSharedPointer<DerivedData> ptr = QSharedPointer<DerivedData>(new DerivedData);
|
|
467 |
QSharedPointer<Data> baseptr = ptr;
|
|
468 |
}
|
|
469 |
|
|
470 |
int destructorCount;
|
|
471 |
destructorCount = DerivedData::derivedDestructorCounter;
|
|
472 |
{
|
|
473 |
QSharedPointer<Data> baseptr;
|
|
474 |
{
|
|
475 |
QSharedPointer<DerivedData> ptr = QSharedPointer<DerivedData>(new DerivedData);
|
|
476 |
baseptr = ptr;
|
|
477 |
QVERIFY(baseptr == ptr);
|
|
478 |
}
|
|
479 |
}
|
|
480 |
QCOMPARE(DerivedData::derivedDestructorCounter, destructorCount + 1);
|
|
481 |
|
|
482 |
destructorCount = DerivedData::derivedDestructorCounter;
|
|
483 |
{
|
|
484 |
QSharedPointer<DerivedData> ptr = QSharedPointer<DerivedData>(new DerivedData);
|
|
485 |
QWeakPointer<Data> baseptr = ptr;
|
|
486 |
QVERIFY(baseptr == ptr);
|
|
487 |
|
|
488 |
ptr = QSharedPointer<DerivedData>();
|
|
489 |
QVERIFY(baseptr.isNull());
|
|
490 |
}
|
|
491 |
QCOMPARE(DerivedData::derivedDestructorCounter, destructorCount + 1);
|
|
492 |
|
|
493 |
destructorCount = DerivedData::derivedDestructorCounter;
|
|
494 |
{
|
|
495 |
QSharedPointer<DerivedData> ptr = QSharedPointer<DerivedData>(new DerivedData);
|
|
496 |
QWeakPointer<DerivedData> weakptr(ptr);
|
|
497 |
|
|
498 |
QSharedPointer<Data> baseptr = weakptr;
|
|
499 |
QVERIFY(baseptr == ptr);
|
|
500 |
QWeakPointer<Data> baseweakptr = weakptr;
|
|
501 |
QVERIFY(baseweakptr == ptr);
|
|
502 |
}
|
|
503 |
QCOMPARE(DerivedData::derivedDestructorCounter, destructorCount + 1);
|
|
504 |
}
|
|
505 |
|
|
506 |
void tst_QSharedPointer::upCast()
|
|
507 |
{
|
|
508 |
QSharedPointer<Data> baseptr = QSharedPointer<Data>(new DerivedData);
|
|
509 |
|
|
510 |
{
|
|
511 |
QSharedPointer<DerivedData> derivedptr = qSharedPointerCast<DerivedData>(baseptr);
|
|
512 |
QVERIFY(baseptr == derivedptr);
|
|
513 |
QCOMPARE(static_cast<Data *>(derivedptr.data()), baseptr.data());
|
|
514 |
}
|
|
515 |
QCOMPARE(int(refCountData(baseptr)->weakref), 1);
|
|
516 |
QCOMPARE(int(refCountData(baseptr)->strongref), 1);
|
|
517 |
|
|
518 |
{
|
|
519 |
QWeakPointer<DerivedData> derivedptr = qWeakPointerCast<DerivedData>(baseptr);
|
|
520 |
QVERIFY(baseptr == derivedptr);
|
|
521 |
}
|
|
522 |
QCOMPARE(int(refCountData(baseptr)->weakref), 1);
|
|
523 |
QCOMPARE(int(refCountData(baseptr)->strongref), 1);
|
|
524 |
|
|
525 |
{
|
|
526 |
QWeakPointer<Data> weakptr = baseptr;
|
|
527 |
QSharedPointer<DerivedData> derivedptr = qSharedPointerCast<DerivedData>(weakptr);
|
|
528 |
QVERIFY(baseptr == derivedptr);
|
|
529 |
QCOMPARE(static_cast<Data *>(derivedptr.data()), baseptr.data());
|
|
530 |
}
|
|
531 |
QCOMPARE(int(refCountData(baseptr)->weakref), 1);
|
|
532 |
QCOMPARE(int(refCountData(baseptr)->strongref), 1);
|
|
533 |
|
|
534 |
{
|
|
535 |
QSharedPointer<DerivedData> derivedptr = baseptr.staticCast<DerivedData>();
|
|
536 |
QVERIFY(baseptr == derivedptr);
|
|
537 |
QCOMPARE(static_cast<Data *>(derivedptr.data()), baseptr.data());
|
|
538 |
}
|
|
539 |
QCOMPARE(int(refCountData(baseptr)->weakref), 1);
|
|
540 |
QCOMPARE(int(refCountData(baseptr)->strongref), 1);
|
|
541 |
}
|
|
542 |
|
|
543 |
class OtherObject: public QObject
|
|
544 |
{
|
|
545 |
Q_OBJECT
|
|
546 |
};
|
|
547 |
|
|
548 |
void tst_QSharedPointer::qobjectWeakManagement()
|
|
549 |
{
|
|
550 |
{
|
|
551 |
QWeakPointer<QObject> weak;
|
|
552 |
weak = QWeakPointer<QObject>();
|
|
553 |
QVERIFY(weak.isNull());
|
|
554 |
QVERIFY(!weak.data());
|
|
555 |
}
|
|
556 |
|
|
557 |
{
|
|
558 |
QObject *obj = new QObject;
|
|
559 |
QWeakPointer<QObject> weak(obj);
|
|
560 |
QVERIFY(!weak.isNull());
|
|
561 |
QVERIFY(weak.data() == obj);
|
|
562 |
|
|
563 |
// now delete
|
|
564 |
delete obj;
|
|
565 |
QVERIFY(weak.isNull());
|
|
566 |
}
|
|
567 |
check();
|
|
568 |
|
|
569 |
{
|
|
570 |
// same, bit with operator=
|
|
571 |
QObject *obj = new QObject;
|
|
572 |
QWeakPointer<QObject> weak;
|
|
573 |
weak = obj;
|
|
574 |
QVERIFY(!weak.isNull());
|
|
575 |
QVERIFY(weak.data() == obj);
|
|
576 |
|
|
577 |
// now delete
|
|
578 |
delete obj;
|
|
579 |
QVERIFY(weak.isNull());
|
|
580 |
}
|
|
581 |
check();
|
|
582 |
|
|
583 |
{
|
|
584 |
// delete triggered by parent
|
|
585 |
QObject *obj, *parent;
|
|
586 |
parent = new QObject;
|
|
587 |
obj = new QObject(parent);
|
|
588 |
QWeakPointer<QObject> weak(obj);
|
|
589 |
|
|
590 |
// now delete the parent
|
|
591 |
delete parent;
|
|
592 |
QVERIFY(weak.isNull());
|
|
593 |
}
|
|
594 |
check();
|
|
595 |
|
|
596 |
{
|
|
597 |
// same as above, but set the parent after QWeakPointer is created
|
|
598 |
QObject *obj, *parent;
|
|
599 |
obj = new QObject;
|
|
600 |
QWeakPointer<QObject> weak(obj);
|
|
601 |
|
|
602 |
parent = new QObject;
|
|
603 |
obj->setParent(parent);
|
|
604 |
|
|
605 |
// now delete the parent
|
|
606 |
delete parent;
|
|
607 |
QVERIFY(weak.isNull());
|
|
608 |
}
|
|
609 |
check();
|
|
610 |
|
|
611 |
{
|
|
612 |
// with two QWeakPointers
|
|
613 |
QObject *obj = new QObject;
|
|
614 |
QWeakPointer<QObject> weak(obj);
|
|
615 |
|
|
616 |
{
|
|
617 |
QWeakPointer<QObject> weak2(obj);
|
|
618 |
QVERIFY(!weak2.isNull());
|
|
619 |
QVERIFY(weak == weak2);
|
|
620 |
}
|
|
621 |
QVERIFY(!weak.isNull());
|
|
622 |
|
|
623 |
delete obj;
|
|
624 |
QVERIFY(weak.isNull());
|
|
625 |
}
|
|
626 |
check();
|
|
627 |
|
|
628 |
{
|
|
629 |
// same, but delete the pointer while two QWeakPointers exist
|
|
630 |
QObject *obj = new QObject;
|
|
631 |
QWeakPointer<QObject> weak(obj);
|
|
632 |
|
|
633 |
{
|
|
634 |
QWeakPointer<QObject> weak2(obj);
|
|
635 |
QVERIFY(!weak2.isNull());
|
|
636 |
|
|
637 |
delete obj;
|
|
638 |
QVERIFY(weak.isNull());
|
|
639 |
QVERIFY(weak2.isNull());
|
|
640 |
}
|
|
641 |
QVERIFY(weak.isNull());
|
|
642 |
}
|
|
643 |
check();
|
|
644 |
}
|
|
645 |
|
|
646 |
void tst_QSharedPointer::noSharedPointerFromWeakQObject()
|
|
647 |
{
|
|
648 |
// you're not allowed to create a QSharedPointer from an unmanaged QObject
|
|
649 |
QObject obj;
|
|
650 |
QWeakPointer<QObject> weak(&obj);
|
|
651 |
|
|
652 |
QSharedPointer<QObject> strong = weak.toStrongRef();
|
|
653 |
QVERIFY(strong.isNull());
|
|
654 |
|
|
655 |
// is something went wrong, we'll probably crash here
|
|
656 |
}
|
|
657 |
|
|
658 |
void tst_QSharedPointer::weakQObjectFromSharedPointer()
|
|
659 |
{
|
|
660 |
// this is the inverse of the above: you're allowed to create a QWeakPointer
|
|
661 |
// from a managed QObject
|
|
662 |
QSharedPointer<QObject> shared(new QObject);
|
|
663 |
QWeakPointer<QObject> weak = shared.data();
|
|
664 |
QVERIFY(!weak.isNull());
|
|
665 |
|
|
666 |
// delete:
|
|
667 |
shared.clear();
|
|
668 |
QVERIFY(weak.isNull());
|
|
669 |
}
|
|
670 |
|
|
671 |
void tst_QSharedPointer::objectCast()
|
|
672 |
{
|
|
673 |
{
|
|
674 |
OtherObject *data = new OtherObject;
|
|
675 |
QSharedPointer<QObject> baseptr = QSharedPointer<QObject>(data);
|
|
676 |
QVERIFY(baseptr == data);
|
|
677 |
QVERIFY(data == baseptr);
|
|
678 |
|
|
679 |
// perform object cast
|
|
680 |
QSharedPointer<OtherObject> ptr = qSharedPointerObjectCast<OtherObject>(baseptr);
|
|
681 |
QVERIFY(!ptr.isNull());
|
|
682 |
QCOMPARE(ptr.data(), data);
|
|
683 |
QVERIFY(ptr == data);
|
|
684 |
|
|
685 |
// again:
|
|
686 |
ptr = baseptr.objectCast<OtherObject>();
|
|
687 |
QVERIFY(ptr == data);
|
|
688 |
|
|
689 |
#ifndef QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION
|
|
690 |
// again:
|
|
691 |
ptr = qobject_cast<OtherObject *>(baseptr);
|
|
692 |
QVERIFY(ptr == data);
|
|
693 |
|
|
694 |
// again:
|
|
695 |
ptr = qobject_cast<QSharedPointer<OtherObject> >(baseptr);
|
|
696 |
QVERIFY(ptr == data);
|
|
697 |
#endif
|
|
698 |
}
|
|
699 |
check();
|
|
700 |
|
|
701 |
{
|
|
702 |
const OtherObject *data = new OtherObject;
|
|
703 |
QSharedPointer<const QObject> baseptr = QSharedPointer<const QObject>(data);
|
|
704 |
QVERIFY(baseptr == data);
|
|
705 |
QVERIFY(data == baseptr);
|
|
706 |
|
|
707 |
// perform object cast
|
|
708 |
QSharedPointer<const OtherObject> ptr = qSharedPointerObjectCast<const OtherObject>(baseptr);
|
|
709 |
QVERIFY(!ptr.isNull());
|
|
710 |
QCOMPARE(ptr.data(), data);
|
|
711 |
QVERIFY(ptr == data);
|
|
712 |
|
|
713 |
// again:
|
|
714 |
ptr = baseptr.objectCast<const OtherObject>();
|
|
715 |
QVERIFY(ptr == data);
|
|
716 |
|
|
717 |
#ifndef QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION
|
|
718 |
// again:
|
|
719 |
ptr = qobject_cast<const OtherObject *>(baseptr);
|
|
720 |
QVERIFY(ptr == data);
|
|
721 |
|
|
722 |
// again:
|
|
723 |
ptr = qobject_cast<QSharedPointer<const OtherObject> >(baseptr);
|
|
724 |
QVERIFY(ptr == data);
|
|
725 |
#endif
|
|
726 |
}
|
|
727 |
check();
|
|
728 |
|
|
729 |
{
|
|
730 |
OtherObject *data = new OtherObject;
|
|
731 |
QPointer<OtherObject> qptr = data;
|
|
732 |
QSharedPointer<OtherObject> ptr = QSharedPointer<OtherObject>(data);
|
|
733 |
QWeakPointer<QObject> weakptr = ptr;
|
|
734 |
|
|
735 |
{
|
|
736 |
// perform object cast
|
|
737 |
QSharedPointer<OtherObject> otherptr = qSharedPointerObjectCast<OtherObject>(weakptr);
|
|
738 |
QVERIFY(otherptr == ptr);
|
|
739 |
|
|
740 |
// again:
|
|
741 |
otherptr = qobject_cast<OtherObject *>(weakptr);
|
|
742 |
QVERIFY(otherptr == ptr);
|
|
743 |
|
|
744 |
// again:
|
|
745 |
otherptr = qobject_cast<QSharedPointer<OtherObject> >(weakptr);
|
|
746 |
QVERIFY(otherptr == ptr);
|
|
747 |
}
|
|
748 |
|
|
749 |
// drop the reference:
|
|
750 |
ptr.clear();
|
|
751 |
QVERIFY(ptr.isNull());
|
|
752 |
QVERIFY(qptr.isNull());
|
|
753 |
QVERIFY(weakptr.toStrongRef().isNull());
|
|
754 |
|
|
755 |
// verify that the object casts fail without crash
|
|
756 |
QSharedPointer<OtherObject> otherptr = qSharedPointerObjectCast<OtherObject>(weakptr);
|
|
757 |
QVERIFY(otherptr.isNull());
|
|
758 |
|
|
759 |
#ifndef QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION
|
|
760 |
// again:
|
|
761 |
otherptr = qobject_cast<OtherObject *>(weakptr);
|
|
762 |
QVERIFY(otherptr.isNull());
|
|
763 |
|
|
764 |
// again:
|
|
765 |
otherptr = qobject_cast<QSharedPointer<OtherObject> >(weakptr);
|
|
766 |
QVERIFY(otherptr.isNull());
|
|
767 |
#endif
|
|
768 |
}
|
|
769 |
check();
|
|
770 |
}
|
|
771 |
|
|
772 |
void tst_QSharedPointer::differentPointers()
|
|
773 |
{
|
|
774 |
{
|
|
775 |
DiffPtrDerivedData *aData = new DiffPtrDerivedData;
|
|
776 |
Data *aBase = aData;
|
|
777 |
|
|
778 |
// ensure that this compiler isn't broken
|
|
779 |
if (*reinterpret_cast<quintptr *>(&aData) == *reinterpret_cast<quintptr *>(&aBase))
|
|
780 |
qFatal("Something went very wrong -- we couldn't create two different pointers to the same object");
|
|
781 |
if (aData != aBase)
|
|
782 |
QSKIP("Broken compiler", SkipAll);
|
|
783 |
if (aBase != aData)
|
|
784 |
QSKIP("Broken compiler", SkipAll);
|
|
785 |
|
|
786 |
QSharedPointer<DiffPtrDerivedData> ptr = QSharedPointer<DiffPtrDerivedData>(aData);
|
|
787 |
QSharedPointer<Data> baseptr = qSharedPointerCast<Data>(ptr);
|
|
788 |
qDebug("naked: orig: %p; base: %p (%s) -- QSharedPointer: orig: %p; base %p (%s) -- result: %s",
|
|
789 |
aData, aBase, aData == aBase ? "equal" : "not equal",
|
|
790 |
ptr.data(), baseptr.data(), ptr.data() == baseptr.data() ? "equal" : "not equal",
|
|
791 |
baseptr.data() == aData ? "equal" : "not equal");
|
|
792 |
|
|
793 |
QVERIFY(ptr.data() == baseptr.data());
|
|
794 |
QVERIFY(baseptr.data() == ptr.data());
|
|
795 |
QVERIFY(ptr == baseptr);
|
|
796 |
QVERIFY(baseptr == ptr);
|
|
797 |
|
|
798 |
QVERIFY(ptr.data() == aBase);
|
|
799 |
QVERIFY(aBase == ptr.data());
|
|
800 |
QVERIFY(ptr.data() == aData);
|
|
801 |
QVERIFY(aData == ptr.data());
|
|
802 |
|
|
803 |
QVERIFY(ptr == aBase);
|
|
804 |
QVERIFY(aBase == ptr);
|
|
805 |
QVERIFY(ptr == aData);
|
|
806 |
QVERIFY(aData == ptr);
|
|
807 |
|
|
808 |
QVERIFY(baseptr.data() == aBase);
|
|
809 |
QVERIFY(aBase == baseptr.data());
|
|
810 |
QVERIFY(baseptr == aBase);
|
|
811 |
QVERIFY(aBase == baseptr);
|
|
812 |
|
|
813 |
QVERIFY(baseptr.data() == aData);
|
|
814 |
QVERIFY(aData == baseptr.data());
|
|
815 |
|
|
816 |
#if defined(Q_CC_MSVC) && _MSC_VER < 1400
|
|
817 |
QEXPECT_FAIL("", "Compiler bug", Continue);
|
|
818 |
#endif
|
|
819 |
QVERIFY(baseptr == aData);
|
|
820 |
#if defined(Q_CC_MSVC) && _MSC_VER < 1400
|
|
821 |
QEXPECT_FAIL("", "Compiler bug", Continue);
|
|
822 |
#endif
|
|
823 |
QVERIFY(aData == baseptr);
|
|
824 |
}
|
|
825 |
check();
|
|
826 |
|
|
827 |
{
|
|
828 |
DiffPtrDerivedData *aData = new DiffPtrDerivedData;
|
|
829 |
Data *aBase = aData;
|
|
830 |
Q_ASSERT(aData == aBase);
|
|
831 |
Q_ASSERT(*reinterpret_cast<quintptr *>(&aData) != *reinterpret_cast<quintptr *>(&aBase));
|
|
832 |
|
|
833 |
QSharedPointer<Data> baseptr = QSharedPointer<Data>(aData);
|
|
834 |
QSharedPointer<DiffPtrDerivedData> ptr = qSharedPointerCast<DiffPtrDerivedData>(baseptr);
|
|
835 |
QVERIFY(ptr == baseptr);
|
|
836 |
QVERIFY(ptr.data() == baseptr.data());
|
|
837 |
QVERIFY(ptr == aBase);
|
|
838 |
#if defined(Q_CC_MSVC) && _MSC_VER < 1400
|
|
839 |
QEXPECT_FAIL("", "Compiler bug", Continue);
|
|
840 |
#endif
|
|
841 |
QVERIFY(baseptr == aData);
|
|
842 |
}
|
|
843 |
check();
|
|
844 |
|
|
845 |
{
|
|
846 |
DiffPtrDerivedData *aData = new DiffPtrDerivedData;
|
|
847 |
Data *aBase = aData;
|
|
848 |
Q_ASSERT(aData == aBase);
|
|
849 |
Q_ASSERT(*reinterpret_cast<quintptr *>(&aData) != *reinterpret_cast<quintptr *>(&aBase));
|
|
850 |
|
|
851 |
QSharedPointer<DiffPtrDerivedData> ptr = QSharedPointer<DiffPtrDerivedData>(aData);
|
|
852 |
QSharedPointer<Data> baseptr = ptr;
|
|
853 |
QVERIFY(ptr == baseptr);
|
|
854 |
QVERIFY(ptr.data() == baseptr.data());
|
|
855 |
QVERIFY(ptr == aBase);
|
|
856 |
QVERIFY(ptr == aData);
|
|
857 |
#if defined(Q_CC_MSVC) && _MSC_VER < 1400
|
|
858 |
QEXPECT_FAIL("", "Compiler bug", Continue);
|
|
859 |
#endif
|
|
860 |
QVERIFY(baseptr == aData);
|
|
861 |
QVERIFY(baseptr == aBase);
|
|
862 |
}
|
|
863 |
check();
|
|
864 |
}
|
|
865 |
|
|
866 |
void tst_QSharedPointer::virtualBaseDifferentPointers()
|
|
867 |
{
|
|
868 |
{
|
|
869 |
VirtualDerived *aData = new VirtualDerived;
|
|
870 |
Data *aBase = aData;
|
|
871 |
Q_ASSERT(aData == aBase);
|
|
872 |
Q_ASSERT(*reinterpret_cast<quintptr *>(&aData) != *reinterpret_cast<quintptr *>(&aBase));
|
|
873 |
|
|
874 |
QSharedPointer<VirtualDerived> ptr = QSharedPointer<VirtualDerived>(aData);
|
|
875 |
QSharedPointer<Data> baseptr = qSharedPointerCast<Data>(ptr);
|
|
876 |
QVERIFY(ptr == baseptr);
|
|
877 |
QVERIFY(ptr.data() == baseptr.data());
|
|
878 |
QVERIFY(ptr == aBase);
|
|
879 |
QVERIFY(ptr == aData);
|
|
880 |
#if defined(Q_CC_MSVC) && _MSC_VER < 1400
|
|
881 |
QEXPECT_FAIL("", "Compiler bug", Continue);
|
|
882 |
#endif
|
|
883 |
QVERIFY(baseptr == aData);
|
|
884 |
QVERIFY(baseptr == aBase);
|
|
885 |
}
|
|
886 |
check();
|
|
887 |
|
|
888 |
{
|
|
889 |
VirtualDerived *aData = new VirtualDerived;
|
|
890 |
Data *aBase = aData;
|
|
891 |
Q_ASSERT(aData == aBase);
|
|
892 |
Q_ASSERT(*reinterpret_cast<quintptr *>(&aData) != *reinterpret_cast<quintptr *>(&aBase));
|
|
893 |
|
|
894 |
QSharedPointer<VirtualDerived> ptr = QSharedPointer<VirtualDerived>(aData);
|
|
895 |
QSharedPointer<Data> baseptr = ptr;
|
|
896 |
QVERIFY(ptr == baseptr);
|
|
897 |
QVERIFY(ptr.data() == baseptr.data());
|
|
898 |
QVERIFY(ptr == aBase);
|
|
899 |
QVERIFY(ptr == aData);
|
|
900 |
#if defined(Q_CC_MSVC) && _MSC_VER < 1400
|
|
901 |
QEXPECT_FAIL("", "Compiler bug", Continue);
|
|
902 |
#endif
|
|
903 |
QVERIFY(baseptr == aData);
|
|
904 |
QVERIFY(baseptr == aBase);
|
|
905 |
}
|
|
906 |
check();
|
|
907 |
}
|
|
908 |
|
|
909 |
#ifndef QTEST_NO_RTTI
|
|
910 |
void tst_QSharedPointer::dynamicCast()
|
|
911 |
{
|
|
912 |
DerivedData *aData = new DerivedData;
|
|
913 |
QSharedPointer<Data> baseptr = QSharedPointer<Data>(aData);
|
|
914 |
|
|
915 |
{
|
|
916 |
QSharedPointer<DerivedData> derivedptr = qSharedPointerDynamicCast<DerivedData>(baseptr);
|
|
917 |
QVERIFY(baseptr == derivedptr);
|
|
918 |
QCOMPARE(derivedptr.data(), aData);
|
|
919 |
QCOMPARE(static_cast<Data *>(derivedptr.data()), baseptr.data());
|
|
920 |
}
|
|
921 |
QCOMPARE(int(refCountData(baseptr)->weakref), 1);
|
|
922 |
QCOMPARE(int(refCountData(baseptr)->strongref), 1);
|
|
923 |
|
|
924 |
{
|
|
925 |
QWeakPointer<Data> weakptr = baseptr;
|
|
926 |
QSharedPointer<DerivedData> derivedptr = qSharedPointerDynamicCast<DerivedData>(weakptr);
|
|
927 |
QVERIFY(baseptr == derivedptr);
|
|
928 |
QCOMPARE(derivedptr.data(), aData);
|
|
929 |
QCOMPARE(static_cast<Data *>(derivedptr.data()), baseptr.data());
|
|
930 |
}
|
|
931 |
QCOMPARE(int(refCountData(baseptr)->weakref), 1);
|
|
932 |
QCOMPARE(int(refCountData(baseptr)->strongref), 1);
|
|
933 |
|
|
934 |
{
|
|
935 |
QSharedPointer<DerivedData> derivedptr = baseptr.dynamicCast<DerivedData>();
|
|
936 |
QVERIFY(baseptr == derivedptr);
|
|
937 |
QCOMPARE(derivedptr.data(), aData);
|
|
938 |
QCOMPARE(static_cast<Data *>(derivedptr.data()), baseptr.data());
|
|
939 |
}
|
|
940 |
QCOMPARE(int(refCountData(baseptr)->weakref), 1);
|
|
941 |
QCOMPARE(int(refCountData(baseptr)->strongref), 1);
|
|
942 |
}
|
|
943 |
|
|
944 |
void tst_QSharedPointer::dynamicCastDifferentPointers()
|
|
945 |
{
|
|
946 |
// DiffPtrDerivedData derives from both Data and Stuffing
|
|
947 |
DiffPtrDerivedData *aData = new DiffPtrDerivedData;
|
|
948 |
QSharedPointer<Data> baseptr = QSharedPointer<Data>(aData);
|
|
949 |
|
|
950 |
{
|
|
951 |
QSharedPointer<DiffPtrDerivedData> derivedptr = qSharedPointerDynamicCast<DiffPtrDerivedData>(baseptr);
|
|
952 |
QVERIFY(baseptr == derivedptr);
|
|
953 |
QCOMPARE(derivedptr.data(), aData);
|
|
954 |
QCOMPARE(static_cast<Data *>(derivedptr.data()), baseptr.data());
|
|
955 |
}
|
|
956 |
QCOMPARE(int(refCountData(baseptr)->weakref), 1);
|
|
957 |
QCOMPARE(int(refCountData(baseptr)->strongref), 1);
|
|
958 |
|
|
959 |
{
|
|
960 |
QWeakPointer<Data> weakptr = baseptr;
|
|
961 |
QSharedPointer<DiffPtrDerivedData> derivedptr = qSharedPointerDynamicCast<DiffPtrDerivedData>(weakptr);
|
|
962 |
QVERIFY(baseptr == derivedptr);
|
|
963 |
QCOMPARE(derivedptr.data(), aData);
|
|
964 |
QCOMPARE(static_cast<Data *>(derivedptr.data()), baseptr.data());
|
|
965 |
}
|
|
966 |
QCOMPARE(int(refCountData(baseptr)->weakref), 1);
|
|
967 |
QCOMPARE(int(refCountData(baseptr)->strongref), 1);
|
|
968 |
|
|
969 |
{
|
|
970 |
QSharedPointer<DiffPtrDerivedData> derivedptr = baseptr.dynamicCast<DiffPtrDerivedData>();
|
|
971 |
QVERIFY(baseptr == derivedptr);
|
|
972 |
QCOMPARE(derivedptr.data(), aData);
|
|
973 |
QCOMPARE(static_cast<Data *>(derivedptr.data()), baseptr.data());
|
|
974 |
}
|
|
975 |
QCOMPARE(int(refCountData(baseptr)->weakref), 1);
|
|
976 |
QCOMPARE(int(refCountData(baseptr)->strongref), 1);
|
|
977 |
|
|
978 |
{
|
|
979 |
Stuffing *nakedptr = dynamic_cast<Stuffing *>(baseptr.data());
|
|
980 |
QVERIFY(nakedptr);
|
|
981 |
|
|
982 |
QSharedPointer<Stuffing> otherbaseptr = qSharedPointerDynamicCast<Stuffing>(baseptr);
|
|
983 |
QVERIFY(!otherbaseptr.isNull());
|
|
984 |
QVERIFY(otherbaseptr == nakedptr);
|
|
985 |
QCOMPARE(otherbaseptr.data(), nakedptr);
|
|
986 |
QCOMPARE(static_cast<DiffPtrDerivedData*>(otherbaseptr.data()), aData);
|
|
987 |
}
|
|
988 |
}
|
|
989 |
|
|
990 |
void tst_QSharedPointer::dynamicCastVirtualBase()
|
|
991 |
{
|
|
992 |
VirtualDerived *aData = new VirtualDerived;
|
|
993 |
QSharedPointer<Data> baseptr = QSharedPointer<Data>(aData);
|
|
994 |
|
|
995 |
{
|
|
996 |
QSharedPointer<VirtualDerived> derivedptr = qSharedPointerDynamicCast<VirtualDerived>(baseptr);
|
|
997 |
QVERIFY(baseptr == derivedptr);
|
|
998 |
QCOMPARE(derivedptr.data(), aData);
|
|
999 |
QCOMPARE(static_cast<Data *>(derivedptr.data()), baseptr.data());
|
|
1000 |
}
|
|
1001 |
QCOMPARE(int(refCountData(baseptr)->weakref), 1);
|
|
1002 |
QCOMPARE(int(refCountData(baseptr)->strongref), 1);
|
|
1003 |
|
|
1004 |
{
|
|
1005 |
QWeakPointer<Data> weakptr = baseptr;
|
|
1006 |
QSharedPointer<VirtualDerived> derivedptr = qSharedPointerDynamicCast<VirtualDerived>(weakptr);
|
|
1007 |
QVERIFY(baseptr == derivedptr);
|
|
1008 |
QCOMPARE(derivedptr.data(), aData);
|
|
1009 |
QCOMPARE(static_cast<Data *>(derivedptr.data()), baseptr.data());
|
|
1010 |
}
|
|
1011 |
QCOMPARE(int(refCountData(baseptr)->weakref), 1);
|
|
1012 |
QCOMPARE(int(refCountData(baseptr)->strongref), 1);
|
|
1013 |
|
|
1014 |
{
|
|
1015 |
QSharedPointer<VirtualDerived> derivedptr = baseptr.dynamicCast<VirtualDerived>();
|
|
1016 |
QVERIFY(baseptr == derivedptr);
|
|
1017 |
QCOMPARE(derivedptr.data(), aData);
|
|
1018 |
QCOMPARE(static_cast<Data *>(derivedptr.data()), baseptr.data());
|
|
1019 |
}
|
|
1020 |
QCOMPARE(int(refCountData(baseptr)->weakref), 1);
|
|
1021 |
QCOMPARE(int(refCountData(baseptr)->strongref), 1);
|
|
1022 |
}
|
|
1023 |
|
|
1024 |
void tst_QSharedPointer::dynamicCastFailure()
|
|
1025 |
{
|
|
1026 |
QSharedPointer<Data> baseptr = QSharedPointer<Data>(new Data);
|
|
1027 |
QVERIFY(dynamic_cast<DerivedData *>(baseptr.data()) == 0);
|
|
1028 |
|
|
1029 |
{
|
|
1030 |
QSharedPointer<DerivedData> derivedptr = qSharedPointerDynamicCast<DerivedData>(baseptr);
|
|
1031 |
QVERIFY(derivedptr.isNull());
|
|
1032 |
}
|
|
1033 |
QCOMPARE(int(refCountData(baseptr)->weakref), 1);
|
|
1034 |
QCOMPARE(int(refCountData(baseptr)->strongref), 1);
|
|
1035 |
|
|
1036 |
{
|
|
1037 |
QSharedPointer<DerivedData> derivedptr = baseptr.dynamicCast<DerivedData>();
|
|
1038 |
QVERIFY(derivedptr.isNull());
|
|
1039 |
}
|
|
1040 |
QCOMPARE(int(refCountData(baseptr)->weakref), 1);
|
|
1041 |
QCOMPARE(int(refCountData(baseptr)->strongref), 1);
|
|
1042 |
}
|
|
1043 |
#endif
|
|
1044 |
|
|
1045 |
void tst_QSharedPointer::constCorrectness()
|
|
1046 |
{
|
|
1047 |
{
|
|
1048 |
QSharedPointer<Data> ptr = QSharedPointer<Data>(new Data);
|
|
1049 |
QSharedPointer<const Data> cptr(ptr);
|
|
1050 |
QSharedPointer<volatile Data> vptr(ptr);
|
|
1051 |
cptr = ptr;
|
|
1052 |
vptr = ptr;
|
|
1053 |
|
|
1054 |
ptr = qSharedPointerConstCast<Data>(cptr);
|
|
1055 |
ptr = qSharedPointerConstCast<Data>(vptr);
|
|
1056 |
ptr = cptr.constCast<Data>();
|
|
1057 |
ptr = vptr.constCast<Data>();
|
|
1058 |
|
|
1059 |
#if !defined(Q_CC_HPACC) && !defined(QT_ARCH_PARISC)
|
|
1060 |
// the aCC series 3 compiler we have on the PA-RISC
|
|
1061 |
// machine crashes compiling this code
|
|
1062 |
|
|
1063 |
QSharedPointer<const volatile Data> cvptr(ptr);
|
|
1064 |
QSharedPointer<const volatile Data> cvptr2(cptr);
|
|
1065 |
QSharedPointer<const volatile Data> cvptr3(vptr);
|
|
1066 |
cvptr = ptr;
|
|
1067 |
cvptr2 = cptr;
|
|
1068 |
cvptr3 = vptr;
|
|
1069 |
ptr = qSharedPointerConstCast<Data>(cvptr);
|
|
1070 |
ptr = cvptr.constCast<Data>();
|
|
1071 |
#endif
|
|
1072 |
}
|
|
1073 |
check();
|
|
1074 |
|
|
1075 |
{
|
|
1076 |
Data *aData = new Data;
|
|
1077 |
QSharedPointer<Data> ptr = QSharedPointer<Data>(aData);
|
|
1078 |
const QSharedPointer<Data> cptr = ptr;
|
|
1079 |
|
|
1080 |
ptr = cptr;
|
|
1081 |
QSharedPointer<Data> other = qSharedPointerCast<Data>(cptr);
|
|
1082 |
|
|
1083 |
#ifndef QT_NO_DYNAMIC_CAST
|
|
1084 |
other = qSharedPointerDynamicCast<Data>(cptr);
|
|
1085 |
#endif
|
|
1086 |
|
|
1087 |
QCOMPARE(cptr.data(), aData);
|
|
1088 |
QCOMPARE(cptr.operator->(), aData);
|
|
1089 |
}
|
|
1090 |
check();
|
|
1091 |
}
|
|
1092 |
|
|
1093 |
static int customDeleterFnCallCount;
|
|
1094 |
void customDeleterFn(Data *ptr)
|
|
1095 |
{
|
|
1096 |
++customDeleterFnCallCount;
|
|
1097 |
delete ptr;
|
|
1098 |
}
|
|
1099 |
|
|
1100 |
static int refcount;
|
|
1101 |
|
|
1102 |
template <typename T>
|
|
1103 |
struct CustomDeleter
|
|
1104 |
{
|
|
1105 |
CustomDeleter() { ++refcount; }
|
|
1106 |
CustomDeleter(const CustomDeleter &) { ++refcount; }
|
|
1107 |
~CustomDeleter() { --refcount; }
|
|
1108 |
inline void operator()(T *ptr)
|
|
1109 |
{
|
|
1110 |
delete ptr;
|
|
1111 |
++callCount;
|
|
1112 |
}
|
|
1113 |
static int callCount;
|
|
1114 |
};
|
|
1115 |
template<typename T> int CustomDeleter<T>::callCount = 0;
|
|
1116 |
|
|
1117 |
void tst_QSharedPointer::customDeleter()
|
|
1118 |
{
|
|
1119 |
{
|
|
1120 |
QSharedPointer<Data> ptr(new Data, &Data::doDelete);
|
|
1121 |
QSharedPointer<Data> ptr2(new Data, &Data::alsoDelete);
|
|
1122 |
QSharedPointer<Data> ptr3(new Data, &Data::virtualDelete);
|
|
1123 |
}
|
|
1124 |
check();
|
|
1125 |
{
|
|
1126 |
QSharedPointer<DerivedData> ptr(new DerivedData, &Data::doDelete);
|
|
1127 |
QSharedPointer<DerivedData> ptr2(new DerivedData, &Data::alsoDelete);
|
|
1128 |
QSharedPointer<DerivedData> ptr3(new DerivedData, &Data::virtualDelete);
|
|
1129 |
}
|
|
1130 |
check();
|
|
1131 |
|
|
1132 |
customDeleterFnCallCount = 0;
|
|
1133 |
{
|
|
1134 |
QSharedPointer<Data> ptr = QSharedPointer<Data>(new Data, customDeleterFn);
|
|
1135 |
ptr.data();
|
|
1136 |
QCOMPARE(customDeleterFnCallCount, 0);
|
|
1137 |
}
|
|
1138 |
QCOMPARE(customDeleterFnCallCount, 1);
|
|
1139 |
check();
|
|
1140 |
|
|
1141 |
customDeleterFnCallCount = 0;
|
|
1142 |
{
|
|
1143 |
QSharedPointer<Data> ptr = QSharedPointer<Data>(new Data, customDeleterFn);
|
|
1144 |
QCOMPARE(customDeleterFnCallCount, 0);
|
|
1145 |
ptr.clear();
|
|
1146 |
QCOMPARE(customDeleterFnCallCount, 1);
|
|
1147 |
}
|
|
1148 |
QCOMPARE(customDeleterFnCallCount, 1);
|
|
1149 |
check();
|
|
1150 |
|
|
1151 |
customDeleterFnCallCount = 0;
|
|
1152 |
{
|
|
1153 |
QSharedPointer<Data> ptr = QSharedPointer<Data>(new Data, customDeleterFn);
|
|
1154 |
QCOMPARE(customDeleterFnCallCount, 0);
|
|
1155 |
ptr = QSharedPointer<Data>(new Data);
|
|
1156 |
QCOMPARE(customDeleterFnCallCount, 1);
|
|
1157 |
}
|
|
1158 |
QCOMPARE(customDeleterFnCallCount, 1);
|
|
1159 |
check();
|
|
1160 |
|
|
1161 |
customDeleterFnCallCount = 0;
|
|
1162 |
{
|
|
1163 |
QSharedPointer<Data> ptr = QSharedPointer<Data>(new DerivedData, customDeleterFn);
|
|
1164 |
ptr.data();
|
|
1165 |
QCOMPARE(customDeleterFnCallCount, 0);
|
|
1166 |
}
|
|
1167 |
QCOMPARE(customDeleterFnCallCount, 1);
|
|
1168 |
check();
|
|
1169 |
|
|
1170 |
customDeleterFnCallCount = 0;
|
|
1171 |
{
|
|
1172 |
QSharedPointer<DerivedData> ptr = QSharedPointer<DerivedData>(new DerivedData, customDeleterFn);
|
|
1173 |
ptr.data();
|
|
1174 |
QCOMPARE(customDeleterFnCallCount, 0);
|
|
1175 |
}
|
|
1176 |
QCOMPARE(customDeleterFnCallCount, 1);
|
|
1177 |
check();
|
|
1178 |
|
|
1179 |
customDeleterFnCallCount = 0;
|
|
1180 |
{
|
|
1181 |
QSharedPointer<Data> other;
|
|
1182 |
{
|
|
1183 |
QSharedPointer<Data> ptr = QSharedPointer<Data>(new Data, customDeleterFn);
|
|
1184 |
other = ptr;
|
|
1185 |
QCOMPARE(customDeleterFnCallCount, 0);
|
|
1186 |
}
|
|
1187 |
QCOMPARE(customDeleterFnCallCount, 0);
|
|
1188 |
}
|
|
1189 |
QCOMPARE(customDeleterFnCallCount, 1);
|
|
1190 |
check();
|
|
1191 |
|
|
1192 |
customDeleterFnCallCount = 0;
|
|
1193 |
{
|
|
1194 |
QSharedPointer<Data> other;
|
|
1195 |
{
|
|
1196 |
QSharedPointer<DerivedData> ptr = QSharedPointer<DerivedData>(new DerivedData, customDeleterFn);
|
|
1197 |
other = ptr;
|
|
1198 |
QCOMPARE(customDeleterFnCallCount, 0);
|
|
1199 |
}
|
|
1200 |
QCOMPARE(customDeleterFnCallCount, 0);
|
|
1201 |
}
|
|
1202 |
QCOMPARE(customDeleterFnCallCount, 1);
|
|
1203 |
check();
|
|
1204 |
|
|
1205 |
refcount = 0;
|
|
1206 |
CustomDeleter<Data> dataDeleter;
|
|
1207 |
dataDeleter.callCount = 0;
|
|
1208 |
{
|
|
1209 |
QSharedPointer<Data> ptr = QSharedPointer<Data>(new Data, dataDeleter);
|
|
1210 |
ptr.data();
|
|
1211 |
QCOMPARE(dataDeleter.callCount, 0);
|
|
1212 |
}
|
|
1213 |
QCOMPARE(dataDeleter.callCount, 1);
|
|
1214 |
QCOMPARE(refcount, 1);
|
|
1215 |
check();
|
|
1216 |
|
|
1217 |
dataDeleter.callCount = 0;
|
|
1218 |
{
|
|
1219 |
QSharedPointer<Data> ptr = QSharedPointer<Data>(new Data, dataDeleter);
|
|
1220 |
QSharedPointer<Data> other = ptr;
|
|
1221 |
other.clear();
|
|
1222 |
QCOMPARE(dataDeleter.callCount, 0);
|
|
1223 |
}
|
|
1224 |
QCOMPARE(dataDeleter.callCount, 1);
|
|
1225 |
QCOMPARE(refcount, 1);
|
|
1226 |
check();
|
|
1227 |
|
|
1228 |
dataDeleter.callCount = 0;
|
|
1229 |
{
|
|
1230 |
QSharedPointer<Data> other;
|
|
1231 |
{
|
|
1232 |
QSharedPointer<Data> ptr = QSharedPointer<Data>(new Data, dataDeleter);
|
|
1233 |
other = ptr;
|
|
1234 |
QCOMPARE(dataDeleter.callCount, 0);
|
|
1235 |
}
|
|
1236 |
QCOMPARE(dataDeleter.callCount, 0);
|
|
1237 |
}
|
|
1238 |
QCOMPARE(dataDeleter.callCount, 1);
|
|
1239 |
QCOMPARE(refcount, 1);
|
|
1240 |
check();
|
|
1241 |
|
|
1242 |
dataDeleter.callCount = 0;
|
|
1243 |
{
|
|
1244 |
QSharedPointer<DerivedData> ptr = QSharedPointer<DerivedData>(new DerivedData, dataDeleter);
|
|
1245 |
ptr.data();
|
|
1246 |
QCOMPARE(dataDeleter.callCount, 0);
|
|
1247 |
}
|
|
1248 |
QCOMPARE(dataDeleter.callCount, 1);
|
|
1249 |
QCOMPARE(refcount, 1);
|
|
1250 |
check();
|
|
1251 |
|
|
1252 |
CustomDeleter<DerivedData> derivedDataDeleter;
|
|
1253 |
derivedDataDeleter.callCount = 0;
|
|
1254 |
dataDeleter.callCount = 0;
|
|
1255 |
{
|
|
1256 |
QSharedPointer<DerivedData> ptr = QSharedPointer<DerivedData>(new DerivedData, derivedDataDeleter);
|
|
1257 |
ptr.data();
|
|
1258 |
QCOMPARE(dataDeleter.callCount, 0);
|
|
1259 |
QCOMPARE(derivedDataDeleter.callCount, 0);
|
|
1260 |
}
|
|
1261 |
QCOMPARE(dataDeleter.callCount, 0);
|
|
1262 |
QCOMPARE(derivedDataDeleter.callCount, 1);
|
|
1263 |
QCOMPARE(refcount, 2);
|
|
1264 |
check();
|
|
1265 |
|
|
1266 |
derivedDataDeleter.callCount = 0;
|
|
1267 |
dataDeleter.callCount = 0;
|
|
1268 |
{
|
|
1269 |
QSharedPointer<Data> other;
|
|
1270 |
{
|
|
1271 |
QSharedPointer<DerivedData> ptr = QSharedPointer<DerivedData>(new DerivedData, dataDeleter);
|
|
1272 |
other = ptr;
|
|
1273 |
QCOMPARE(dataDeleter.callCount, 0);
|
|
1274 |
QCOMPARE(derivedDataDeleter.callCount, 0);
|
|
1275 |
}
|
|
1276 |
QCOMPARE(dataDeleter.callCount, 0);
|
|
1277 |
QCOMPARE(derivedDataDeleter.callCount, 0);
|
|
1278 |
}
|
|
1279 |
QCOMPARE(dataDeleter.callCount, 1);
|
|
1280 |
QCOMPARE(derivedDataDeleter.callCount, 0);
|
|
1281 |
QCOMPARE(refcount, 2);
|
|
1282 |
check();
|
|
1283 |
|
|
1284 |
derivedDataDeleter.callCount = 0;
|
|
1285 |
dataDeleter.callCount = 0;
|
|
1286 |
{
|
|
1287 |
QSharedPointer<Data> other;
|
|
1288 |
{
|
|
1289 |
QSharedPointer<DerivedData> ptr = QSharedPointer<DerivedData>(new DerivedData, derivedDataDeleter);
|
|
1290 |
other = ptr;
|
|
1291 |
QCOMPARE(dataDeleter.callCount, 0);
|
|
1292 |
QCOMPARE(derivedDataDeleter.callCount, 0);
|
|
1293 |
}
|
|
1294 |
QCOMPARE(dataDeleter.callCount, 0);
|
|
1295 |
QCOMPARE(derivedDataDeleter.callCount, 0);
|
|
1296 |
}
|
|
1297 |
QCOMPARE(dataDeleter.callCount, 0);
|
|
1298 |
QCOMPARE(derivedDataDeleter.callCount, 1);
|
|
1299 |
QCOMPARE(refcount, 2);
|
|
1300 |
check();
|
|
1301 |
}
|
|
1302 |
|
|
1303 |
void customQObjectDeleterFn(QObject *obj)
|
|
1304 |
{
|
|
1305 |
++customDeleterFnCallCount;
|
|
1306 |
delete obj;
|
|
1307 |
}
|
|
1308 |
|
|
1309 |
void tst_QSharedPointer::creating()
|
|
1310 |
{
|
|
1311 |
Data::generationCounter = Data::destructorCounter = 0;
|
|
1312 |
{
|
|
1313 |
QSharedPointer<Data> ptr = QSharedPointer<Data>::create();
|
|
1314 |
QVERIFY(ptr.data());
|
|
1315 |
QCOMPARE(Data::generationCounter, 1);
|
|
1316 |
QCOMPARE(ptr->generation, 1);
|
|
1317 |
QCOMPARE(Data::destructorCounter, 0);
|
|
1318 |
|
|
1319 |
QCOMPARE(ptr->classLevel(), 1);
|
|
1320 |
|
|
1321 |
ptr.clear();
|
|
1322 |
QCOMPARE(Data::destructorCounter, 1);
|
|
1323 |
}
|
|
1324 |
check();
|
|
1325 |
|
|
1326 |
Data::generationCounter = Data::destructorCounter = 0;
|
|
1327 |
{
|
|
1328 |
QSharedPointer<Data> ptr = QSharedPointer<Data>::create();
|
|
1329 |
QWeakPointer<Data> weakptr = ptr;
|
|
1330 |
QtSharedPointer::ExternalRefCountData *d = refCountData(ptr);
|
|
1331 |
|
|
1332 |
ptr.clear();
|
|
1333 |
QVERIFY(ptr.isNull());
|
|
1334 |
QCOMPARE(Data::destructorCounter, 1);
|
|
1335 |
|
|
1336 |
// valgrind will complain here if something happened to the pointer
|
|
1337 |
QVERIFY(d->weakref == 1);
|
|
1338 |
QVERIFY(d->strongref == 0);
|
|
1339 |
}
|
|
1340 |
check();
|
|
1341 |
|
|
1342 |
Data::generationCounter = Data::destructorCounter = 0;
|
|
1343 |
DerivedData::derivedDestructorCounter = 0;
|
|
1344 |
{
|
|
1345 |
QSharedPointer<Data> ptr = QSharedPointer<DerivedData>::create();
|
|
1346 |
QCOMPARE(ptr->classLevel(), 2);
|
|
1347 |
QCOMPARE(ptr.staticCast<DerivedData>()->moreData, 0);
|
|
1348 |
ptr.clear();
|
|
1349 |
|
|
1350 |
QCOMPARE(Data::destructorCounter, 1);
|
|
1351 |
QCOMPARE(DerivedData::derivedDestructorCounter, 1);
|
|
1352 |
}
|
|
1353 |
check();
|
|
1354 |
|
|
1355 |
{
|
|
1356 |
QSharedPointer<Data> ptr = QSharedPointer<DiffPtrDerivedData>::create();
|
|
1357 |
QCOMPARE(ptr->classLevel(), 3);
|
|
1358 |
QCOMPARE(ptr.staticCast<DiffPtrDerivedData>()->buffer[7]+0, 16-7);
|
|
1359 |
QCOMPARE(ptr.staticCast<DiffPtrDerivedData>()->buffer[3]+0, 16-3);
|
|
1360 |
QCOMPARE(ptr.staticCast<DiffPtrDerivedData>()->buffer[0]+0, 16);
|
|
1361 |
}
|
|
1362 |
check();
|
|
1363 |
|
|
1364 |
{
|
|
1365 |
QSharedPointer<VirtualDerived> ptr = QSharedPointer<VirtualDerived>::create();
|
|
1366 |
QCOMPARE(ptr->classLevel(), 4);
|
|
1367 |
QCOMPARE(ptr->moreData, 0xc0ffee);
|
|
1368 |
|
|
1369 |
QSharedPointer<Data> baseptr = ptr;
|
|
1370 |
QCOMPARE(baseptr->classLevel(), 4);
|
|
1371 |
}
|
|
1372 |
check();
|
|
1373 |
}
|
|
1374 |
|
|
1375 |
void tst_QSharedPointer::creatingQObject()
|
|
1376 |
{
|
|
1377 |
{
|
|
1378 |
QSharedPointer<QObject> ptr = QSharedPointer<QObject>::create();
|
|
1379 |
QCOMPARE(ptr->metaObject(), &QObject::staticMetaObject);
|
|
1380 |
|
|
1381 |
QPointer<QObject> qptr = ptr.data();
|
|
1382 |
ptr.clear();
|
|
1383 |
|
|
1384 |
QVERIFY(qptr.isNull());
|
|
1385 |
}
|
|
1386 |
check();
|
|
1387 |
|
|
1388 |
{
|
|
1389 |
QSharedPointer<QObject> ptr = QSharedPointer<OtherObject>::create();
|
|
1390 |
QCOMPARE(ptr->metaObject(), &OtherObject::staticMetaObject);
|
|
1391 |
}
|
|
1392 |
check();
|
|
1393 |
}
|
|
1394 |
|
|
1395 |
void tst_QSharedPointer::mixTrackingPointerCode()
|
|
1396 |
{
|
|
1397 |
{
|
|
1398 |
// pointer created with tracking
|
|
1399 |
// deleted in code without tracking
|
|
1400 |
QSharedPointer<int> ptr = QSharedPointer<int>(new int(42));
|
|
1401 |
Wrapper w(ptr);
|
|
1402 |
ptr.clear();
|
|
1403 |
}
|
|
1404 |
check();
|
|
1405 |
|
|
1406 |
{
|
|
1407 |
// pointer created without tracking
|
|
1408 |
// deleted in code with tracking
|
|
1409 |
Wrapper w = Wrapper::create();
|
|
1410 |
w.ptr.clear();
|
|
1411 |
}
|
|
1412 |
}
|
|
1413 |
|
|
1414 |
class ThreadData
|
|
1415 |
{
|
|
1416 |
QAtomicInt * volatile ptr;
|
|
1417 |
public:
|
|
1418 |
ThreadData(QAtomicInt *p) : ptr(p) { }
|
|
1419 |
~ThreadData() { ++ptr; }
|
|
1420 |
void ref()
|
|
1421 |
{
|
|
1422 |
// if we're called after the destructor, we'll crash
|
|
1423 |
ptr->ref();
|
|
1424 |
}
|
|
1425 |
};
|
|
1426 |
|
|
1427 |
class StrongThread: public QThread
|
|
1428 |
{
|
|
1429 |
protected:
|
|
1430 |
void run()
|
|
1431 |
{
|
|
1432 |
usleep(rand() % 2000);
|
|
1433 |
ptr->ref();
|
|
1434 |
ptr.clear();
|
|
1435 |
}
|
|
1436 |
public:
|
|
1437 |
QSharedPointer<ThreadData> ptr;
|
|
1438 |
};
|
|
1439 |
|
|
1440 |
class WeakThread: public QThread
|
|
1441 |
{
|
|
1442 |
protected:
|
|
1443 |
void run()
|
|
1444 |
{
|
|
1445 |
usleep(rand() % 2000);
|
|
1446 |
QSharedPointer<ThreadData> ptr = weak;
|
|
1447 |
if (ptr)
|
|
1448 |
ptr->ref();
|
|
1449 |
ptr.clear();
|
|
1450 |
}
|
|
1451 |
public:
|
|
1452 |
QWeakPointer<ThreadData> weak;
|
|
1453 |
};
|
|
1454 |
|
|
1455 |
void tst_QSharedPointer::threadStressTest_data()
|
|
1456 |
{
|
|
1457 |
QTest::addColumn<int>("strongThreadCount");
|
|
1458 |
QTest::addColumn<int>("weakThreadCount");
|
|
1459 |
|
|
1460 |
QTest::newRow("0+0") << 0 << 0;
|
|
1461 |
QTest::newRow("1+0") << 1 << 0;
|
|
1462 |
QTest::newRow("2+0") << 2 << 0;
|
|
1463 |
QTest::newRow("10+0") << 10 << 0;
|
|
1464 |
|
|
1465 |
QTest::newRow("0+1") << 0 << 1;
|
|
1466 |
QTest::newRow("1+1") << 1 << 1;
|
|
1467 |
|
|
1468 |
QTest::newRow("2+10") << 2 << 10;
|
|
1469 |
#ifndef Q_OS_WINCE
|
|
1470 |
// Windows CE cannot run this many threads
|
|
1471 |
QTest::newRow("5+10") << 5 << 10;
|
|
1472 |
QTest::newRow("5+30") << 5 << 30;
|
|
1473 |
|
|
1474 |
QTest::newRow("100+100") << 100 << 100;
|
|
1475 |
#endif
|
|
1476 |
}
|
|
1477 |
|
|
1478 |
void tst_QSharedPointer::threadStressTest()
|
|
1479 |
{
|
|
1480 |
QFETCH(int, strongThreadCount);
|
|
1481 |
QFETCH(int, weakThreadCount);
|
|
1482 |
|
|
1483 |
int guard1[128];
|
|
1484 |
QAtomicInt counter;
|
|
1485 |
int guard2[128];
|
|
1486 |
|
|
1487 |
memset(guard1, 0, sizeof guard1);
|
|
1488 |
memset(guard2, 0, sizeof guard2);
|
|
1489 |
|
|
1490 |
for (int r = 0; r < 5; ++r) {
|
|
1491 |
QVector<QThread*> allThreads(6 * qMax(strongThreadCount, weakThreadCount) + 3, 0);
|
|
1492 |
QSharedPointer<ThreadData> base = QSharedPointer<ThreadData>(new ThreadData(&counter));
|
|
1493 |
counter = 0;
|
|
1494 |
|
|
1495 |
// set the pointers
|
|
1496 |
for (int i = 0; i < strongThreadCount; ++i) {
|
|
1497 |
StrongThread *t = new StrongThread;
|
|
1498 |
t->ptr = base;
|
|
1499 |
allThreads[2 * i] = t;
|
|
1500 |
}
|
|
1501 |
for (int i = 0; i < weakThreadCount; ++i) {
|
|
1502 |
WeakThread *t = new WeakThread;
|
|
1503 |
t->weak = base;
|
|
1504 |
allThreads[6 * i + 3] = t;
|
|
1505 |
}
|
|
1506 |
|
|
1507 |
base.clear();
|
|
1508 |
|
|
1509 |
#ifdef Q_OS_WINCE
|
|
1510 |
srand(QDateTime::currentDateTime().toTime_t());
|
|
1511 |
#else
|
|
1512 |
srand(time(NULL));
|
|
1513 |
#endif
|
|
1514 |
// start threads
|
|
1515 |
for (int i = 0; i < allThreads.count(); ++i)
|
|
1516 |
if (allThreads[i]) allThreads[i]->start();
|
|
1517 |
|
|
1518 |
// wait for them to finish
|
|
1519 |
for (int i = 0; i < allThreads.count(); ++i)
|
|
1520 |
if (allThreads[i]) allThreads[i]->wait();
|
|
1521 |
qDeleteAll(allThreads);
|
|
1522 |
|
|
1523 |
// ensure the guards aren't touched
|
|
1524 |
for (uint i = 0; i < sizeof guard1 / sizeof guard1[0]; ++i)
|
|
1525 |
QVERIFY(!guard1[i]);
|
|
1526 |
for (uint i = 0; i < sizeof guard2 / sizeof guard2[0]; ++i)
|
|
1527 |
QVERIFY(!guard2[i]);
|
|
1528 |
|
|
1529 |
// verify that the count is the right range
|
|
1530 |
int minValue = strongThreadCount;
|
|
1531 |
int maxValue = strongThreadCount + weakThreadCount;
|
|
1532 |
QVERIFY(counter >= minValue);
|
|
1533 |
QVERIFY(counter <= maxValue);
|
|
1534 |
}
|
|
1535 |
}
|
|
1536 |
|
|
1537 |
void tst_QSharedPointer::validConstructs()
|
|
1538 |
{
|
|
1539 |
{
|
|
1540 |
Data *aData = new Data;
|
|
1541 |
QSharedPointer<Data> ptr1 = QSharedPointer<Data>(aData);
|
|
1542 |
|
|
1543 |
ptr1 = ptr1; // valid
|
|
1544 |
|
|
1545 |
QSharedPointer<Data> ptr2(ptr1);
|
|
1546 |
|
|
1547 |
ptr1 = ptr2;
|
|
1548 |
ptr2 = ptr1;
|
|
1549 |
|
|
1550 |
ptr1 = QSharedPointer<Data>();
|
|
1551 |
ptr1 = ptr2;
|
|
1552 |
}
|
|
1553 |
}
|
|
1554 |
|
|
1555 |
typedef bool (QTest::QExternalTest:: * TestFunction)(const QByteArray &body);
|
|
1556 |
Q_DECLARE_METATYPE(TestFunction)
|
|
1557 |
void tst_QSharedPointer::invalidConstructs_data()
|
|
1558 |
{
|
|
1559 |
QTest::addColumn<TestFunction>("testFunction");
|
|
1560 |
QTest::addColumn<QString>("code");
|
|
1561 |
QTest::newRow("sanity-checking") << &QTest::QExternalTest::tryCompile << "";
|
|
1562 |
|
|
1563 |
// QSharedPointer<void> is not allowed
|
|
1564 |
QTest::newRow("void") << &QTest::QExternalTest::tryCompileFail << "QSharedPointer<void> ptr;";
|
|
1565 |
|
|
1566 |
// implicit initialization
|
|
1567 |
QTest::newRow("implicit-initialization1")
|
|
1568 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1569 |
<< "QSharedPointer<Data> ptr = new Data;";
|
|
1570 |
QTest::newRow("implicit-initialization2")
|
|
1571 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1572 |
<< "QSharedPointer<Data> ptr;"
|
|
1573 |
"ptr = new Data;";
|
|
1574 |
QTest::newRow("implicit-initialization3")
|
|
1575 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1576 |
<< "QWeakPointer<Data> ptr = new Data;";
|
|
1577 |
QTest::newRow("implicit-initialization4")
|
|
1578 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1579 |
<< "QWeakPointer<Data> ptr;"
|
|
1580 |
"ptr = new Data;";
|
|
1581 |
|
|
1582 |
// use of forward-declared class
|
|
1583 |
QTest::newRow("forward-declaration")
|
|
1584 |
<< &QTest::QExternalTest::tryRun
|
|
1585 |
<< "forwardDeclaredDestructorRunCount = 0;\n"
|
|
1586 |
"{ QSharedPointer<ForwardDeclared> ptr = QSharedPointer<ForwardDeclared>(forwardPointer()); }\n"
|
|
1587 |
"exit(forwardDeclaredDestructorRunCount);";
|
|
1588 |
QTest::newRow("creating-forward-declaration")
|
|
1589 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1590 |
<< "QSharedPointer<ForwardDeclared>::create();";
|
|
1591 |
|
|
1592 |
// upcast without cast operator:
|
|
1593 |
QTest::newRow("upcast1")
|
|
1594 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1595 |
<< "QSharedPointer<Data> baseptr = QSharedPointer<Data>(new DerivedData);\n"
|
|
1596 |
"QSharedPointer<DerivedData> ptr(baseptr);";
|
|
1597 |
QTest::newRow("upcast2")
|
|
1598 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1599 |
<< "QSharedPointer<Data> baseptr = QSharedPointer<Data>(new DerivedData);\n"
|
|
1600 |
"QSharedPointer<DerivedData> ptr;\n"
|
|
1601 |
"ptr = baseptr;";
|
|
1602 |
|
|
1603 |
// dropping of const
|
|
1604 |
QTest::newRow("const-dropping1")
|
|
1605 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1606 |
<< "QSharedPointer<const Data> baseptr = QSharedPointer<const Data>(new Data);\n"
|
|
1607 |
"QSharedPointer<Data> ptr(baseptr);";
|
|
1608 |
QTest::newRow("const-dropping2")
|
|
1609 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1610 |
<< "QSharedPointer<const Data> baseptr = QSharedPointer<const Data>(new Data);\n"
|
|
1611 |
"QSharedPointer<Data> ptr;"
|
|
1612 |
"ptr = baseptr;";
|
|
1613 |
QTest::newRow("const-dropping-static-cast")
|
|
1614 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1615 |
<< "QSharedPointer<const Data> baseptr = QSharedPointer<const Data>(new Data);\n"
|
|
1616 |
"qSharedPointerCast<DerivedData>(baseptr);";
|
|
1617 |
#ifndef QTEST_NO_RTTI
|
|
1618 |
QTest::newRow("const-dropping-dynamic-cast")
|
|
1619 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1620 |
<< "QSharedPointer<const Data> baseptr = QSharedPointer<const Data>(new Data);\n"
|
|
1621 |
"qSharedPointerDynamicCast<DerivedData>(baseptr);";
|
|
1622 |
#endif
|
|
1623 |
QTest::newRow("const-dropping-object-cast1")
|
|
1624 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1625 |
<< "QSharedPointer<const QObject> baseptr = QSharedPointer<const QObject>(new QObject);\n"
|
|
1626 |
"qSharedPointerObjectCast<QCoreApplication>(baseptr);";
|
|
1627 |
#ifndef QT_NO_PARTIAL_TEMPLATE_SPECIALIZATION
|
|
1628 |
QTest::newRow("const-dropping-object-cast2")
|
|
1629 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1630 |
<< "QSharedPointer<const QObject> baseptr = QSharedPointer<const QObject>(new QObject);\n"
|
|
1631 |
"qobject_cast<QCoreApplication *>(baseptr);";
|
|
1632 |
#endif
|
|
1633 |
|
|
1634 |
// arithmethics through automatic cast operators
|
|
1635 |
QTest::newRow("arithmethic1")
|
|
1636 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1637 |
<< "QSharedPointer<int> a;"
|
|
1638 |
"QSharedPointer<Data> b;\n"
|
|
1639 |
"if (a == b) return;";
|
|
1640 |
QTest::newRow("arithmethic2")
|
|
1641 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1642 |
<< "QSharedPointer<int> a;"
|
|
1643 |
"QSharedPointer<Data> b;\n"
|
|
1644 |
"if (a + b) return;";
|
|
1645 |
|
|
1646 |
#if QT_VERSION >= 0x040600
|
|
1647 |
// two objects with the same pointer
|
|
1648 |
QTest::newRow("same-pointer")
|
|
1649 |
<< &QTest::QExternalTest::tryRunFail
|
|
1650 |
<< "Data *aData = new Data;\n"
|
|
1651 |
"QSharedPointer<Data> ptr1 = QSharedPointer<Data>(aData);\n"
|
|
1652 |
"QSharedPointer<Data> ptr2 = QSharedPointer<Data>(aData);\n";
|
|
1653 |
|
|
1654 |
// re-creation:
|
|
1655 |
QTest::newRow("re-creation")
|
|
1656 |
<< &QTest::QExternalTest::tryRunFail
|
|
1657 |
<< "Data *aData = new Data;\n"
|
|
1658 |
"QSharedPointer<Data> ptr1 = QSharedPointer<Data>(aData);"
|
|
1659 |
"ptr1 = QSharedPointer<Data>(aData);";
|
|
1660 |
#endif
|
|
1661 |
|
|
1662 |
// any type of cast for unrelated types:
|
|
1663 |
// (we have no reinterpret_cast)
|
|
1664 |
QTest::newRow("invalid-cast1")
|
|
1665 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1666 |
<< "QSharedPointer<Data> ptr1;\n"
|
|
1667 |
"QSharedPointer<int> ptr2 = qSharedPointerCast<int>(ptr1);";
|
|
1668 |
#ifndef QTEST_NO_RTTI
|
|
1669 |
QTest::newRow("invalid-cast2")
|
|
1670 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1671 |
<< "QSharedPointer<Data> ptr1;\n"
|
|
1672 |
"QSharedPointer<int> ptr2 = qSharedPointerDynamicCast<int>(ptr1);";
|
|
1673 |
#endif
|
|
1674 |
QTest::newRow("invalid-cast3")
|
|
1675 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1676 |
<< "QSharedPointer<Data> ptr1;\n"
|
|
1677 |
"QSharedPointer<int> ptr2 = qSharedPointerConstCast<int>(ptr1);";
|
|
1678 |
QTest::newRow("invalid-cast4")
|
|
1679 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1680 |
<< "QSharedPointer<Data> ptr1;\n"
|
|
1681 |
"QSharedPointer<int> ptr2 = qSharedPointerObjectCast<int>(ptr1);";
|
|
1682 |
|
|
1683 |
QTest::newRow("weak-pointer-from-regular-pointer")
|
|
1684 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1685 |
<< "Data *ptr = 0;\n"
|
|
1686 |
"QWeakPointer<Data> weakptr(ptr);\n";
|
|
1687 |
|
|
1688 |
QTest::newRow("shared-pointer-from-unmanaged-qobject")
|
|
1689 |
<< &QTest::QExternalTest::tryRunFail
|
|
1690 |
<< "QObject *ptr = new QObject;\n"
|
|
1691 |
"QWeakPointer<QObject> weak = ptr;\n" // this makes the object unmanaged
|
|
1692 |
"QSharedPointer<QObject> shared(ptr);\n";
|
|
1693 |
|
|
1694 |
QTest::newRow("shared-pointer-implicit-from-uninitialized")
|
|
1695 |
<< &QTest::QExternalTest::tryCompileFail
|
|
1696 |
<< "Data *ptr = 0;\n"
|
|
1697 |
"QSharedPointer<Data> weakptr = Qt::Uninitialized;\n";
|
|
1698 |
}
|
|
1699 |
|
|
1700 |
void tst_QSharedPointer::invalidConstructs()
|
|
1701 |
{
|
|
1702 |
#ifdef Q_CC_MINGW
|
|
1703 |
QSKIP("The maintainer of QSharedPointer: 'We don't know what the problem is so skip the tests.'", SkipAll);
|
|
1704 |
#endif
|
|
1705 |
#ifdef QTEST_CROSS_COMPILED
|
|
1706 |
QSKIP("This test does not work on cross compiled systems", SkipAll);
|
|
1707 |
#endif
|
|
1708 |
|
|
1709 |
QTest::QExternalTest test;
|
|
1710 |
test.setDebugMode(true);
|
|
1711 |
test.setQtModules(QTest::QExternalTest::QtCore);
|
|
1712 |
test.setExtraProgramSources(QStringList() << SRCDIR "forwarddeclared.cpp");
|
|
1713 |
test.setProgramHeader(
|
|
1714 |
"#define QT_SHAREDPOINTER_TRACK_POINTERS\n"
|
|
1715 |
"#include <QtCore/qsharedpointer.h>\n"
|
|
1716 |
"#include <QtCore/qcoreapplication.h>\n"
|
|
1717 |
"\n"
|
|
1718 |
"struct Data { int i; };\n"
|
|
1719 |
"struct DerivedData: public Data { int j; };\n"
|
|
1720 |
"\n"
|
|
1721 |
"extern int forwardDeclaredDestructorRunCount;\n"
|
|
1722 |
"class ForwardDeclared;\n"
|
|
1723 |
"ForwardDeclared *forwardPointer();\n"
|
|
1724 |
);
|
|
1725 |
|
|
1726 |
QFETCH(QString, code);
|
|
1727 |
static bool sane = true;
|
|
1728 |
if (code.isEmpty()) {
|
|
1729 |
static const char snippet[] = "QSharedPointer<Data> baseptr; QSharedPointer<DerivedData> ptr;";
|
|
1730 |
if (!test.tryCompile("")
|
|
1731 |
|| !test.tryRun("")
|
|
1732 |
|| !test.tryRunFail("exit(1);")
|
|
1733 |
|| !test.tryCompile(snippet)
|
|
1734 |
|| !test.tryLink(snippet)
|
|
1735 |
|| !test.tryRun(snippet)) {
|
|
1736 |
sane = false;
|
|
1737 |
qWarning("Sanity checking failed\nCode:\n%s\n",
|
|
1738 |
qPrintable(test.errorReport()));
|
|
1739 |
}
|
|
1740 |
}
|
|
1741 |
if (!sane)
|
|
1742 |
QFAIL("External testing failed sanity checking, cannot proceed");
|
|
1743 |
|
|
1744 |
QFETCH(TestFunction, testFunction);
|
|
1745 |
|
|
1746 |
QByteArray body = code.toLatin1();
|
|
1747 |
|
|
1748 |
bool result = (test.*testFunction)(body);
|
|
1749 |
if (qgetenv("QTEST_EXTERNAL_DEBUG").toInt() > 0) {
|
|
1750 |
qDebug("External test output:");
|
|
1751 |
#ifdef Q_CC_MSVC
|
|
1752 |
// MSVC prints errors to stdout
|
|
1753 |
printf("%s\n", test.standardOutput().constData());
|
|
1754 |
#endif
|
|
1755 |
printf("%s\n", test.standardError().constData());
|
|
1756 |
}
|
|
1757 |
if (!result) {
|
|
1758 |
qWarning("External code testing failed\nCode:\n%s\n", body.constData());
|
|
1759 |
QFAIL("Fail");
|
|
1760 |
}
|
|
1761 |
}
|
|
1762 |
|
|
1763 |
QTEST_MAIN(tst_QSharedPointer)
|
|
1764 |
|
|
1765 |
#include "tst_qsharedpointer.moc"
|