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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#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 << 44 << 80;
}
{
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::textStorage")
<< pmm_to_offsetof(&QV4::Heap::String::textStorage);
data << 4 << 8;
}
#endif // RUN_MEMBER_OFFSET_TEST
}
QTEST_APPLESS_MAIN(tst_toolsupport);
#include "tst_toolsupport.moc"
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