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// Copyright (C) 2012 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Stephen Kelly <stephen.kelly@kdab.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QTest>
#include <qwidget.h>
#include <qlabel.h>
class tst_QWidgetMetaType : public QObject
{
Q_OBJECT
public:
tst_QWidgetMetaType() {}
virtual ~tst_QWidgetMetaType() {}
private slots:
void metaObject();
void saveAndLoadBuiltin_data();
void saveAndLoadBuiltin();
};
class CustomWidget : public QWidget
{
Q_OBJECT
public:
CustomWidget(QWidget *parent = nullptr)
: QWidget(parent)
{
}
};
static_assert(( QMetaTypeId2<QSizePolicy>::IsBuiltIn));
static_assert((!QMetaTypeId2<QWidget*>::IsBuiltIn));
static_assert((!QMetaTypeId2<QList<QSizePolicy> >::IsBuiltIn));
static_assert((!QMetaTypeId2<QMap<QString,QSizePolicy> >::IsBuiltIn));
void tst_QWidgetMetaType::metaObject()
{
QCOMPARE(QMetaType::fromType<QWidget*>().metaObject(), &QWidget::staticMetaObject);
QCOMPARE(QMetaType::fromType<QLabel*>().metaObject(), &QLabel::staticMetaObject);
QCOMPARE(QMetaType::fromType<CustomWidget*>().metaObject(), &CustomWidget::staticMetaObject);
QCOMPARE(QMetaType::fromType<QSizePolicy>().metaObject(), &QSizePolicy::staticMetaObject);
}
template <typename T>
struct StreamingTraits
{
// Streamable by default, as currently all widgets built-in types are streamable
enum { isStreamable = 1 };
};
void tst_QWidgetMetaType::saveAndLoadBuiltin_data()
{
QTest::addColumn<int>("type");
QTest::addColumn<bool>("isStreamable");
#define ADD_METATYPE_TEST_ROW(MetaTypeName, MetaTypeId, RealType) \
QTest::newRow(#RealType) << MetaTypeId << bool(StreamingTraits<RealType>::isStreamable);
QT_FOR_EACH_STATIC_WIDGETS_CLASS(ADD_METATYPE_TEST_ROW)
#undef ADD_METATYPE_TEST_ROW
}
void tst_QWidgetMetaType::saveAndLoadBuiltin()
{
QFETCH(int, type);
QFETCH(bool, isStreamable);
void *value = QMetaType(type).create();
QByteArray ba;
QDataStream stream(&ba, QIODevice::ReadWrite);
QCOMPARE(QMetaType(type).save(stream, value), isStreamable);
QCOMPARE(stream.status(), QDataStream::Ok);
if (isStreamable)
QVERIFY(QMetaType(type).load(stream, value));
stream.device()->seek(0);
stream.resetStatus();
QCOMPARE(QMetaType(type).load(stream, value), isStreamable);
QCOMPARE(stream.status(), QDataStream::Ok);
if (isStreamable)
QVERIFY(QMetaType(type).load(stream, value));
QMetaType(type).destroy(value);
}
QTEST_MAIN(tst_QWidgetMetaType)
#include "tst_qwidgetmetatype.moc"
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