2014-09-16 07:30:56 +00:00
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/****************************************************************************
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**
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2015-01-28 08:44:43 +00:00
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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2014-09-16 07:30:56 +00:00
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**
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2018-04-06 12:53:38 +00:00
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** This file is part of the test suite of the Qt Toolkit.
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2014-09-16 07:30:56 +00:00
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**
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2018-04-06 12:53:38 +00:00
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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2014-09-16 07:30:56 +00:00
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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2015-01-28 08:44:43 +00:00
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** a written agreement between you and The Qt Company. For licensing terms
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2018-04-06 12:53:38 +00:00
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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2014-09-16 07:30:56 +00:00
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**
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2018-04-06 12:53:38 +00:00
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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2014-09-16 07:30:56 +00:00
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**
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2018-04-06 12:53:38 +00:00
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** $QT_END_LICENSE$
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2014-09-16 07:30:56 +00:00
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**
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****************************************************************************/
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#include <QtTest>
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2015-08-31 06:48:49 +00:00
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//
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// Note:
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//
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// When this test here fails and the change leading to the failure
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// intentionally changed a private class, adjust the test here and bump
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// the TypeInformationVersion field in src/corelib/global/qhooks.cpp
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// in the same commit as the modification to the private class.
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//
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2014-09-16 07:30:56 +00:00
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// Don't do this at home. This is test code, not production.
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#define protected public
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#define private public
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#include <private/qdatetime_p.h>
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#include <private/qfile_p.h>
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#include <private/qfileinfo_p.h>
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#include <private/qobject_p.h>
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#include <qobject.h>
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#if defined(Q_CC_GNU) || defined(Q_CC_MSVC)
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#define RUN_MEMBER_OFFSET_TEST 1
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#else
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#define RUN_MEMBER_OFFSET_TEST 0
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#endif
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#if RUN_MEMBER_OFFSET_TEST
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template <typename T, typename K>
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size_t pmm_to_offsetof(T K:: *pmm)
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{
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#ifdef Q_CC_MSVC
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// Even on 64 bit MSVC uses 4 byte offsets.
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quint32 ret;
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#else
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size_t ret;
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#endif
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Q_STATIC_ASSERT(sizeof(ret) == sizeof(pmm));
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memcpy(&ret, &pmm, sizeof(ret));
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return ret;
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}
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#endif
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class tst_toolsupport : public QObject
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{
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Q_OBJECT
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private slots:
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void offsets();
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void offsets_data();
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};
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void tst_toolsupport::offsets()
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{
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QFETCH(size_t, actual);
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QFETCH(int, expected32);
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QFETCH(int, expected64);
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size_t expect = sizeof(void *) == 4 ? expected32 : expected64;
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QCOMPARE(actual, expect);
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}
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void tst_toolsupport::offsets_data()
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{
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QTest::addColumn<size_t>("actual");
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QTest::addColumn<int>("expected32");
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QTest::addColumn<int>("expected64");
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{
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QTestData &data = QTest::newRow("sizeof(QObjectData)")
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<< sizeof(QObjectData);
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data << 28 << 48; // vptr + 3 ptr + 2 int + ptr
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}
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#if RUN_MEMBER_OFFSET_TEST
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{
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QTestData &data = QTest::newRow("QObjectPrivate::extraData")
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<< pmm_to_offsetof(&QObjectPrivate::extraData);
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data << 28 << 48; // sizeof(QObjectData)
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}
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{
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QTestData &data = QTest::newRow("QFileInfoPrivate::fileEntry")
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<< pmm_to_offsetof(&QFileInfoPrivate::fileEntry);
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data << 4 << 8;
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}
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{
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QTestData &data = QTest::newRow("QFileSystemEntry::filePath")
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<< pmm_to_offsetof(&QFileSystemEntry::m_filePath);
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data << 0 << 0;
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}
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2014-10-24 12:10:30 +00:00
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#ifdef Q_OS_LINUX
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2015-12-22 08:56:26 +00:00
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{
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2014-10-24 12:10:30 +00:00
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QTestData &data = QTest::newRow("QFilePrivate::fileName")
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<< pmm_to_offsetof(&QFilePrivate::fileName);
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2017-04-05 14:35:09 +00:00
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#ifdef Q_PROCESSOR_X86
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// x86 32-bit has weird alignment rules. Refer to QtPrivate::AlignOf in
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// qglobal.h for more details.
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2019-01-07 14:05:06 +00:00
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data << 152 << 224;
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2017-04-05 14:35:09 +00:00
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#else
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2019-01-07 14:05:06 +00:00
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data << 156 << 224;
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2017-04-05 14:35:09 +00:00
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#endif
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2014-10-24 12:10:30 +00:00
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}
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#endif
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2014-09-16 07:30:56 +00:00
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{
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QTest::newRow("QDateTimePrivate::m_msecs")
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2019-06-26 18:56:40 +00:00
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<< pmm_to_offsetof(&QDateTimePrivate::m_msecs) << 8 << 8;
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2014-09-16 07:30:56 +00:00
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QTest::newRow("QDateTimePrivate::m_status")
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2019-06-26 18:56:40 +00:00
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<< pmm_to_offsetof(&QDateTimePrivate::m_status) << 4 << 4;
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2014-09-16 07:30:56 +00:00
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QTest::newRow("QDateTimePrivate::m_offsetFromUtc")
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2019-06-26 18:56:40 +00:00
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<< pmm_to_offsetof(&QDateTimePrivate::m_offsetFromUtc) << 16 << 16;
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2014-09-16 07:30:56 +00:00
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QTest::newRow("QDateTimePrivate::m_timeZone")
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<< pmm_to_offsetof(&QDateTimePrivate::m_timeZone) << 20 << 24;
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}
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#endif // RUN_MEMBER_OFFSET_TEST
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}
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QTEST_APPLESS_MAIN(tst_toolsupport);
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#include "tst_toolsupport.moc"
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