| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the test suite of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
| ** 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 The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #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 <private/qv4string_p.h> |
| #include <private/qqmlrefcount_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 << 20 << 40; |
| } |
| |
| { |
| QTestData &data |
| = QTest::newRow("CompiledData::CompilationUnit::runtimeStrings") |
| << pmm_to_offsetof(&QV4::CompiledData::CompilationUnit::runtimeStrings); |
| |
| data << 0 << 0; |
| } |
| |
| { |
| QTestData &data |
| = QTest::newRow("Heap::String::text") |
| << pmm_to_offsetof(&QV4::Heap::String::text); |
| |
| data << 4 << 8; |
| } |
| |
| #endif // RUN_MEMBER_OFFSET_TEST |
| } |
| |
| |
| QTEST_APPLESS_MAIN(tst_toolsupport); |
| |
| #include "tst_toolsupport.moc" |
| |