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51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/* This file is part of the KDE libraries
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Copyright (c) 1999 Waldo Bastian <bastian@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2 as published by the Free Software Foundation.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <QtCore/QString>
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#include <QtCore/QHash>
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#include <stdio.h>
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class A { qint64 foo; };
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class B { qint64 bar; };
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class C : public A, public B { qint64 foobar; };
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QHash<QString,A*> dictA;
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QHash<QString,B*> dictB;
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int main(int, char *[])
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{
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// This test shows that different pointer values due to base class adjustment
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// are not a problem.
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C obj;
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A *pA = &obj;
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B *pB = &obj;
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C *pC = &obj;
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Q_ASSERT(pA == pC); // comparison is done using A*, so it works
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Q_ASSERT(pB == pC); // comparison is done using B*, so it works
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Q_ASSERT((void*)pA == (void*)pC);
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Q_ASSERT((void*)pB != (void*)pC); // yes, it's a different pointer value!
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dictA.insert("hello", pC);
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dictB.insert("hello", pC);
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Q_ASSERT(dictA["hello"] == pC);
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Q_ASSERT(dictB["hello"] == pC);
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Q_UNUSED(pA);
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Q_UNUSED(pB);
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}
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