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/****************************************************************************
**
** Copyright (C) 2015 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest>
// Don't do this at home. This is test code, not production.
#define protected public
#define private public
#include <private/qobject_p.h>
#include <private/qv4compileddata_p.h>
#include <qobject.h>
#if defined(Q_CC_GNU) || defined(Q_CC_MSVC)
#define RUN_MEMBER_OFFSET_TEST 1
#else
#define RUN_MEMBER_OFFSET_TEST 0
#endif
#if RUN_MEMBER_OFFSET_TEST
template <typename T, typename K>
size_t pmm_to_offsetof(T K:: *pmm)
{
#ifdef Q_CC_MSVC
// Even on 64 bit MSVC uses 4 byte offsets.
quint32 ret;
#else
size_t ret;
#endif
Q_STATIC_ASSERT(sizeof(ret) == sizeof(pmm));
memcpy(&ret, &pmm, sizeof(ret));
return ret;
}
#endif
class tst_toolsupport : public QObject
{
Q_OBJECT
private slots:
void offsets();
void offsets_data();
};
void tst_toolsupport::offsets()
{
QFETCH(size_t, actual);
QFETCH(int, expected32);
QFETCH(int, expected64);
size_t expect = sizeof(void *) == 4 ? expected32 : expected64;
QCOMPARE(actual, expect);
}
void tst_toolsupport::offsets_data()
{
QTest::addColumn<size_t>("actual");
QTest::addColumn<int>("expected32");
QTest::addColumn<int>("expected64");
{
QTestData &data = QTest::newRow("sizeof(QObjectData)")
<< sizeof(QObjectData);
data << 28 << 48; // vptr + 3 ptr + 2 int + ptr
}
{
QTestData &data = QTest::newRow("sizeof(QQmlRefCount)")
<< sizeof(QQmlRefCount);
data << 8 << 16;
}
#if RUN_MEMBER_OFFSET_TEST
{
QTestData &data
= QTest::newRow("CompiledData::CompilationUnit::data")
<< pmm_to_offsetof(&QV4::CompiledData::CompilationUnit::data);
data << 8 << 16;
}
{
QTestData &data
= QTest::newRow("CompiledData::CompilationUnit::runtimeStrings")
<< pmm_to_offsetof(&QV4::CompiledData::CompilationUnit::runtimeStrings);
data << 16 << 32;
}
#endif // RUN_MEMBER_OFFSET_TEST
}
QTEST_APPLESS_MAIN(tst_toolsupport);
#include "tst_toolsupport.moc"
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