diff options
Diffstat (limited to 'tests/auto/corelib/kernel/qmetatype/tst_qmetatype2.cpp')
| -rw-r--r-- | tests/auto/corelib/kernel/qmetatype/tst_qmetatype2.cpp | 733 |
1 files changed, 733 insertions, 0 deletions
diff --git a/tests/auto/corelib/kernel/qmetatype/tst_qmetatype2.cpp b/tests/auto/corelib/kernel/qmetatype/tst_qmetatype2.cpp new file mode 100644 index 0000000000..68bcb53056 --- /dev/null +++ b/tests/auto/corelib/kernel/qmetatype/tst_qmetatype2.cpp @@ -0,0 +1,733 @@ +// Copyright (C) 2021 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only + +#include "tst_qmetatype.h" +#include "tst_qmetatype_libs.h" + +#include <QtCore/private/qmetaobjectbuilder_p.h> + +void tst_QMetaType::constRefs() +{ + QCOMPARE(::qMetaTypeId<const int &>(), ::qMetaTypeId<int>()); + QCOMPARE(::qMetaTypeId<const QString &>(), ::qMetaTypeId<QString>()); + QCOMPARE(::qMetaTypeId<const CustomMovable &>(), ::qMetaTypeId<CustomMovable>()); + QCOMPARE(::qMetaTypeId<const QList<CustomMovable> &>(), ::qMetaTypeId<QList<CustomMovable> >()); + static_assert(::qMetaTypeId<const int &>() == ::qMetaTypeId<int>()); +} + +template<typename T, typename U> +U convert(const T &t) +{ + return t; +} + +template<typename From> +struct ConvertFunctor +{ + CustomConvertibleType operator()(const From& f) const + { + return CustomConvertibleType(QVariant::fromValue(f)); + } +}; + +template<typename T> +struct OptionalWrapper +{ + std::optional<T> operator()(const T& t) const + { + if (!CustomConvertibleType::s_ok) + return std::nullopt; + + return t; + } +}; + +template<typename From> +struct ConvertFunctorWithOptional +{ + std::optional<CustomConvertibleType> operator()(const From& f) const + { + if (!CustomConvertibleType::s_ok) + return std::nullopt; + + return CustomConvertibleType(QVariant::fromValue(f)); + } +}; + +template<typename From, typename To> +bool hasRegisteredConverterFunction() +{ + return QMetaType::hasRegisteredConverterFunction<From, To>(); +} + +template<typename From, typename To> +void testCustomTypeNotYetConvertible() +{ + QVERIFY((!hasRegisteredConverterFunction<From, To>())); + QVERIFY((!QVariant::fromValue<From>(From()).template canConvert<To>())); +} + +template<typename From, typename To> +void testCustomTypeConvertible() +{ + QVERIFY((hasRegisteredConverterFunction<From, To>())); + QVERIFY((QVariant::fromValue<From>(From()).template canConvert<To>())); +} + +void customTypeNotYetConvertible() +{ + testCustomTypeNotYetConvertible<CustomConvertibleType, QString>(); + testCustomTypeNotYetConvertible<CustomConvertibleType, bool>(); + testCustomTypeNotYetConvertible<CustomConvertibleType, int>(); + testCustomTypeNotYetConvertible<CustomConvertibleType, double>(); + testCustomTypeNotYetConvertible<CustomConvertibleType, float>(); + testCustomTypeNotYetConvertible<CustomConvertibleType, QRect>(); + testCustomTypeNotYetConvertible<CustomConvertibleType, QRectF>(); + testCustomTypeNotYetConvertible<CustomConvertibleType, QPoint>(); + testCustomTypeNotYetConvertible<CustomConvertibleType, QPointF>(); + testCustomTypeNotYetConvertible<CustomConvertibleType, QSize>(); + testCustomTypeNotYetConvertible<CustomConvertibleType, QSizeF>(); + testCustomTypeNotYetConvertible<CustomConvertibleType, QLine>(); + testCustomTypeNotYetConvertible<CustomConvertibleType, QLineF>(); + testCustomTypeNotYetConvertible<CustomConvertibleType, QChar>(); + testCustomTypeNotYetConvertible<QString, CustomConvertibleType>(); + testCustomTypeNotYetConvertible<bool, CustomConvertibleType>(); + testCustomTypeNotYetConvertible<int, CustomConvertibleType>(); + testCustomTypeNotYetConvertible<double, CustomConvertibleType>(); + testCustomTypeNotYetConvertible<float, CustomConvertibleType>(); + testCustomTypeNotYetConvertible<QRect, CustomConvertibleType>(); + testCustomTypeNotYetConvertible<QRectF, CustomConvertibleType>(); + testCustomTypeNotYetConvertible<QPoint, CustomConvertibleType>(); + testCustomTypeNotYetConvertible<QPointF, CustomConvertibleType>(); + testCustomTypeNotYetConvertible<QSize, CustomConvertibleType>(); + testCustomTypeNotYetConvertible<QSizeF, CustomConvertibleType>(); + testCustomTypeNotYetConvertible<QLine, CustomConvertibleType>(); + testCustomTypeNotYetConvertible<QLineF, CustomConvertibleType>(); + testCustomTypeNotYetConvertible<QChar, CustomConvertibleType>(); + testCustomTypeNotYetConvertible<CustomConvertibleType, CustomConvertibleType2>(); + testCustomTypeNotYetConvertible<CustomConvertibleType, std::optional<CustomConvertibleType>>(); +} + +void registerCustomTypeConversions() +{ + QVERIFY((QMetaType::registerConverter<CustomConvertibleType, QString>(&CustomConvertibleType::convertOk<QString>))); + QVERIFY((QMetaType::registerConverter<CustomConvertibleType, bool>(&CustomConvertibleType::convert<bool>))); + QVERIFY((QMetaType::registerConverter<CustomConvertibleType, int>(&CustomConvertibleType::convertOk<int>))); + QVERIFY((QMetaType::registerConverter<CustomConvertibleType, double>(&CustomConvertibleType::convert<double>))); + QVERIFY((QMetaType::registerConverter<CustomConvertibleType, float>(&CustomConvertibleType::convertOk<float>))); + QVERIFY((QMetaType::registerConverter<CustomConvertibleType, QRect>(&CustomConvertibleType::convert<QRect>))); + QVERIFY((QMetaType::registerConverter<CustomConvertibleType, QRectF>(&CustomConvertibleType::convertOk<QRectF>))); + QVERIFY((QMetaType::registerConverter<CustomConvertibleType, QPoint>(convert<CustomConvertibleType,QPoint>))); + QVERIFY((QMetaType::registerConverter<CustomConvertibleType, QPointF>(&CustomConvertibleType::convertOk<QPointF>))); + QVERIFY((QMetaType::registerConverter<CustomConvertibleType, QSize>(&CustomConvertibleType::convert<QSize>))); + QVERIFY((QMetaType::registerConverter<CustomConvertibleType, QSizeF>(&CustomConvertibleType::convertOk<QSizeF>))); + QVERIFY((QMetaType::registerConverter<CustomConvertibleType, QLine>(&CustomConvertibleType::convert<QLine>))); + QVERIFY((QMetaType::registerConverter<CustomConvertibleType, QLineF>(&CustomConvertibleType::convertOk<QLineF>))); + QVERIFY((QMetaType::registerConverter<CustomConvertibleType, QChar>(&CustomConvertibleType::convert<QChar>))); + QVERIFY((QMetaType::registerConverter<QString, CustomConvertibleType>(ConvertFunctorWithOptional<QString>()))); + QVERIFY((QMetaType::registerConverter<bool, CustomConvertibleType>(ConvertFunctor<bool>()))); + QVERIFY((QMetaType::registerConverter<int, CustomConvertibleType>(ConvertFunctorWithOptional<int>()))); + QVERIFY((QMetaType::registerConverter<double, CustomConvertibleType>(ConvertFunctor<double>()))); + QVERIFY((QMetaType::registerConverter<float, CustomConvertibleType>(ConvertFunctorWithOptional<float>()))); + QVERIFY((QMetaType::registerConverter<QRect, CustomConvertibleType>(ConvertFunctor<QRect>()))); + QVERIFY((QMetaType::registerConverter<QRectF, CustomConvertibleType>(ConvertFunctorWithOptional<QRectF>()))); + QVERIFY((QMetaType::registerConverter<QPoint, CustomConvertibleType>(ConvertFunctor<QPoint>()))); + QVERIFY((QMetaType::registerConverter<QPointF, CustomConvertibleType>(ConvertFunctorWithOptional<QPointF>()))); + QVERIFY((QMetaType::registerConverter<QSize, CustomConvertibleType>(ConvertFunctor<QSize>()))); + QVERIFY((QMetaType::registerConverter<QSizeF, CustomConvertibleType>(ConvertFunctorWithOptional<QSizeF>()))); + QVERIFY((QMetaType::registerConverter<QLine, CustomConvertibleType>(ConvertFunctor<QLine>()))); + QVERIFY((QMetaType::registerConverter<QLineF, CustomConvertibleType>(ConvertFunctorWithOptional<QLineF>()))); + QVERIFY((QMetaType::registerConverter<QChar, CustomConvertibleType>(ConvertFunctor<QChar>()))); + QVERIFY((QMetaType::registerConverter<CustomConvertibleType, std::optional<CustomConvertibleType>>(OptionalWrapper<CustomConvertibleType>()))); + + QVERIFY((QMetaType::registerConverter<CustomConvertibleType, CustomConvertibleType2>())); + QTest::ignoreMessage(QtWarningMsg, "Type conversion already registered from type CustomConvertibleType to type CustomConvertibleType2"); + QVERIFY((!QMetaType::registerConverter<CustomConvertibleType, CustomConvertibleType2>())); +} + +void tst_QMetaType::convertCustomType_data() +{ + customTypeNotYetConvertible(); + registerCustomTypeConversions(); + + QTest::addColumn<bool>("ok"); + QTest::addColumn<QString>("testQString"); + QTest::addColumn<bool>("testBool"); + QTest::addColumn<int>("testInt"); + QTest::addColumn<double>("testDouble"); + QTest::addColumn<float>("testFloat"); + QTest::addColumn<QRect>("testQRect"); + QTest::addColumn<QRectF>("testQRectF"); + QTest::addColumn<QPoint>("testQPoint"); + QTest::addColumn<QPointF>("testQPointF"); + QTest::addColumn<QSize>("testQSize"); + QTest::addColumn<QSizeF>("testQSizeF"); + QTest::addColumn<QLine>("testQLine"); + QTest::addColumn<QLineF>("testQLineF"); + QTest::addColumn<QChar>("testQChar"); + QTest::addColumn<CustomConvertibleType>("testCustom"); + QTest::addColumn<DerivedGadgetType>("testDerived"); + + QTest::newRow("default") << true + << QString::fromLatin1("string") << true << 15 + << double(3.14) << float(3.6) << QRect(1, 2, 3, 4) + << QRectF(1.4, 1.9, 10.9, 40.2) << QPoint(12, 34) + << QPointF(9.2, 2.7) << QSize(4, 9) << QSizeF(3.3, 9.8) + << QLine(3, 9, 29, 4) << QLineF(38.9, 28.9, 102.3, 0.0) + << QChar('Q') << CustomConvertibleType(QString::fromLatin1("test")) + << DerivedGadgetType(QString::fromLatin1("test")); + QTest::newRow("not ok") << false + << QString::fromLatin1("string") << true << 15 + << double(3.14) << float(3.6) << QRect(1, 2, 3, 4) + << QRectF(1.4, 1.9, 10.9, 40.2) << QPoint(12, 34) + << QPointF(9.2, 2.7) << QSize(4, 9) << QSizeF(3.3, 9.8) + << QLine(3, 9, 29, 4) << QLineF() + << QChar('Q') << CustomConvertibleType(42) + << DerivedGadgetType(42); +} + +void tst_QMetaType::convertCustomType() +{ + QFETCH(bool, ok); + CustomConvertibleType::s_ok = ok; + + CustomConvertibleType t; + QVariant v = QVariant::fromValue(t); + QFETCH(QString, testQString); + CustomConvertibleType::s_value = testQString; + QCOMPARE(v.toString(), ok ? testQString : QString()); + QCOMPARE(v.value<QString>(), ok ? testQString : QString()); + QVERIFY(CustomConvertibleType::s_value.canConvert<CustomConvertibleType>()); + QCOMPARE((CustomConvertibleType::s_value.value<CustomConvertibleType>().m_foo.toString()), ok ? testQString : QString()); + + QFETCH(bool, testBool); + CustomConvertibleType::s_value = testBool; + QCOMPARE(v.toBool(), testBool); + QCOMPARE(v.value<bool>(), testBool); + QCOMPARE((CustomConvertibleType::s_value.value<CustomConvertibleType>().m_foo.toBool()), testBool); + + QFETCH(int, testInt); + CustomConvertibleType::s_value = testInt; + QCOMPARE(v.toInt(), ok ? testInt : 0); + QCOMPARE(v.value<int>(), ok ? testInt : 0); + QCOMPARE((CustomConvertibleType::s_value.value<CustomConvertibleType>().m_foo.toInt()), ok ? testInt : 0); + + QFETCH(double, testDouble); + CustomConvertibleType::s_value = testDouble; + QCOMPARE(v.toDouble(), testDouble); + QCOMPARE(v.value<double>(), testDouble); + QCOMPARE((CustomConvertibleType::s_value.value<CustomConvertibleType>().m_foo.toDouble()), testDouble); + + QFETCH(float, testFloat); + CustomConvertibleType::s_value = testFloat; + QCOMPARE(v.toFloat(), ok ? testFloat : 0.0); + QCOMPARE(v.value<float>(), ok ? testFloat : 0.0); + QCOMPARE((CustomConvertibleType::s_value.value<CustomConvertibleType>().m_foo.toFloat()), ok ? testFloat : 0); + + QFETCH(QRect, testQRect); + CustomConvertibleType::s_value = testQRect; + QCOMPARE(v.toRect(), testQRect); + QCOMPARE(v.value<QRect>(), testQRect); + QCOMPARE((CustomConvertibleType::s_value.value<CustomConvertibleType>().m_foo.toRect()), testQRect); + + QFETCH(QRectF, testQRectF); + CustomConvertibleType::s_value = testQRectF; + QCOMPARE(v.toRectF(), ok ? testQRectF : QRectF()); + QCOMPARE(v.value<QRectF>(), ok ? testQRectF : QRectF()); + QCOMPARE((CustomConvertibleType::s_value.value<CustomConvertibleType>().m_foo.toRectF()), ok ? testQRectF : QRectF()); + + QFETCH(QPoint, testQPoint); + CustomConvertibleType::s_value = testQPoint; + QCOMPARE(v.toPoint(), testQPoint); + QCOMPARE(v.value<QPoint>(), testQPoint); + QCOMPARE((CustomConvertibleType::s_value.value<CustomConvertibleType>().m_foo.toPoint()), testQPoint); + + QFETCH(QPointF, testQPointF); + CustomConvertibleType::s_value = testQPointF; + QCOMPARE(v.toPointF(), ok ? testQPointF : QPointF()); + QCOMPARE(v.value<QPointF>(), ok ? testQPointF : QPointF()); + QCOMPARE((CustomConvertibleType::s_value.value<CustomConvertibleType>().m_foo.toPointF()), ok ? testQPointF : QPointF()); + + QFETCH(QSize, testQSize); + CustomConvertibleType::s_value = testQSize; + QCOMPARE(v.toSize(), testQSize); + QCOMPARE(v.value<QSize>(), testQSize); + QCOMPARE((CustomConvertibleType::s_value.value<CustomConvertibleType>().m_foo.toSize()), testQSize); + + QFETCH(QSizeF, testQSizeF); + CustomConvertibleType::s_value = testQSizeF; + QCOMPARE(v.toSizeF(), ok ? testQSizeF : QSizeF()); + QCOMPARE(v.value<QSizeF>(), ok ? testQSizeF : QSizeF()); + QCOMPARE((CustomConvertibleType::s_value.value<CustomConvertibleType>().m_foo.toSizeF()), ok ? testQSizeF : QSizeF()); + + QFETCH(QLine, testQLine); + CustomConvertibleType::s_value = testQLine; + QCOMPARE(v.toLine(), testQLine); + QCOMPARE(v.value<QLine>(), testQLine); + QCOMPARE((CustomConvertibleType::s_value.value<CustomConvertibleType>().m_foo.toLine()), testQLine); + + QFETCH(QLineF, testQLineF); + CustomConvertibleType::s_value = testQLineF; + QCOMPARE(v.toLineF(), ok ? testQLineF : QLineF()); + QCOMPARE(v.value<QLineF>(), ok ? testQLineF : QLineF()); + QCOMPARE((CustomConvertibleType::s_value.value<CustomConvertibleType>().m_foo.toLineF()), ok ? testQLineF : QLineF()); + + QFETCH(QChar, testQChar); + CustomConvertibleType::s_value = testQChar; + QCOMPARE(v.toChar(), testQChar); + QCOMPARE((CustomConvertibleType::s_value.value<CustomConvertibleType>().m_foo.toChar()), testQChar); + + QFETCH(CustomConvertibleType, testCustom); + v = QVariant::fromValue(testCustom); + QVERIFY(v.canConvert(QMetaType(::qMetaTypeId<CustomConvertibleType2>()))); + QCOMPARE(v.value<CustomConvertibleType2>().m_foo, testCustom.m_foo); + + // Check that converters that actually convert to std::optional<T> are not + // taken to indicate success or failure of the conversion. In these cases, + // the conversion must always succeed, even if the converter has returned a + // nullopt. + v = QVariant::fromValue(testCustom); + QVERIFY(v.canConvert(QMetaType::fromType<std::optional<CustomConvertibleType>>())); + QVERIFY(v.convert(QMetaType::fromType<std::optional<CustomConvertibleType>>())); + QCOMPARE(v.value<std::optional<CustomConvertibleType>>().has_value(), ok); + if (ok) { + QCOMPARE(v.value<std::optional<CustomConvertibleType>>().value().m_foo, testCustom.m_foo); + } + + QFETCH(DerivedGadgetType, testDerived); + v = QVariant::fromValue(testDerived); + QCOMPARE(v.metaType(), QMetaType::fromType<DerivedGadgetType>()); + QCOMPARE(v.value<DerivedGadgetType>().m_foo, testDerived.m_foo); + QVERIFY(v.canConvert(QMetaType::fromType<BaseGadgetType>())); + QVERIFY(v.convert(QMetaType::fromType<BaseGadgetType>())); + QCOMPARE(v.metaType(), QMetaType::fromType<BaseGadgetType>()); + QCOMPARE(v.value<BaseGadgetType>().m_foo, testDerived.m_foo); +} + +void tst_QMetaType::convertConstNonConst() +{ + auto mtConstObj = QMetaType::fromType<QObject const*>(); + auto mtObj = QMetaType::fromType<QObject *>(); + auto mtConstDerived = QMetaType::fromType<Derived const*>(); + auto mtDerived = QMetaType::fromType<Derived *>(); + + QVERIFY(QMetaType::canConvert(mtConstObj, mtObj)); + QVERIFY(QMetaType::canConvert(mtObj, mtConstObj)); // casting const away is allowed (but can lead to UB) + QVERIFY(QMetaType::canConvert(mtConstDerived, mtObj)); + QVERIFY(QMetaType::canConvert(mtDerived, mtConstObj)); + QVERIFY(QMetaType::canConvert(mtObj, mtConstDerived)); +} + +void tst_QMetaType::compareCustomEqualOnlyType() +{ + QMetaType type = QMetaType::fromType<CustomEqualsOnlyType>(); + + CustomEqualsOnlyType val50(50); + CustomEqualsOnlyType val100(100); + CustomEqualsOnlyType val100x(100); + + QVariant variant50 = QVariant::fromValue(val50); + QVariant variant100 = QVariant::fromValue(val100); + QVariant variant100x = QVariant::fromValue(val100x); + + QVERIFY(variant50 != variant100); + QVERIFY(variant50 != variant100x); + QVERIFY(variant100 != variant50); + QVERIFY(variant100x != variant50); + QCOMPARE(variant100, variant100x); + QCOMPARE(variant100, variant100); + + // check QMetaType::compare works/doesn't crash for equals only comparators + auto cmp = type.compare(variant50.constData(), variant50.constData()); + QCOMPARE(cmp, QPartialOrdering::Unordered); + bool equals = type.equals(variant50.constData(), variant50.constData()); + QVERIFY(equals); + + cmp = type.compare(variant100.constData(), variant100x.constData()); + QCOMPARE(cmp, QPartialOrdering::Unordered); + equals = type.equals(variant100.constData(), variant100x.constData()); + QVERIFY(equals); + + cmp = type.compare(variant50.constData(), variant100.constData()); + QCOMPARE(cmp, QPartialOrdering::Unordered); + equals = type.equals(variant50.constData(), variant100.constData()); + QVERIFY(!equals); + + //check QMetaType::equals for type w/o equals comparator being registered + CustomMovable movable1; + CustomMovable movable2; + type = QMetaType::fromType<CustomMovable>(); + equals = type.equals(&movable1, &movable2); +} + +void tst_QMetaType::customDebugStream() +{ + MessageHandlerCustom handler(::qMetaTypeId<CustomDebugStreamableType>()); + QVariant v1 = QVariant::fromValue(CustomDebugStreamableType()); + handler.expectedMessage = "QVariant(CustomDebugStreamableType, string-content)"; + qDebug() << v1; + + MessageHandlerCustom handler2(::qMetaTypeId<CustomDebugStreamableType2>()); + QMetaType::registerConverter<CustomDebugStreamableType2, QString>(&CustomDebugStreamableType2::toString); + handler2.expectedMessage = "QVariant(CustomDebugStreamableType2, \"test\")"; + QVariant v2 = QVariant::fromValue(CustomDebugStreamableType2()); + qDebug() << v2; +} + +void tst_QMetaType::unknownType() +{ + QMetaType invalid(QMetaType::UnknownType); + QVERIFY(!invalid.create()); + QVERIFY(!invalid.sizeOf()); + QVERIFY(!invalid.metaObject()); + int buffer = 0xBAD; + invalid.construct(&buffer); + QCOMPARE(buffer, 0xBAD); +} + +void tst_QMetaType::fromType() +{ + #define FROMTYPE_CHECK(MetaTypeName, MetaTypeId, RealType) \ + QCOMPARE(QMetaType::fromType<RealType>(), QMetaType(MetaTypeId)); \ + QVERIFY(QMetaType::fromType<RealType>() == QMetaType(MetaTypeId)); \ + QVERIFY(!(QMetaType::fromType<RealType>() != QMetaType(MetaTypeId))); \ + if (MetaTypeId != QMetaType::Void) \ + QCOMPARE(QMetaType::fromType<RealType>().id(), MetaTypeId); + + FOR_EACH_CORE_METATYPE(FROMTYPE_CHECK) + + QVERIFY(QMetaType::fromType<QString>() != QMetaType()); + QCOMPARE(QMetaType(), QMetaType()); + QCOMPARE(QMetaType(QMetaType::UnknownType), QMetaType()); + + FROMTYPE_CHECK(_, ::qMetaTypeId<Whity<int>>(), Whity<int>) + #undef FROMTYPE_CHECK +} + +template<char X, typename T = void> +struct CharTemplate +{ + struct + { + int a; + } x; + + union + { + int a; + } y; +}; + +void tst_QMetaType::operatorEq_data() +{ + QTest::addColumn<QMetaType>("typeA"); + QTest::addColumn<QMetaType>("typeB"); + QTest::addColumn<bool>("eq"); + QTest::newRow("String") << QMetaType(QMetaType::QString) + << QMetaType::fromType<const QString &>() << true; + QTest::newRow("void1") << QMetaType(QMetaType::UnknownType) << QMetaType::fromType<void>() + << false; + QTest::newRow("void2") << QMetaType::fromType<const void>() << QMetaType::fromType<void>() + << true; + QTest::newRow("list1") << QMetaType::fromType<QList<const int *>>() + << QMetaType::fromType<QList<const int *>>() << true; + QTest::newRow("list2") << QMetaType::fromType<QList<const int *>>() + << QMetaType::fromType<QList<int *>>() << false; + QTest::newRow("char1") << QMetaType::fromType<CharTemplate<'>'>>() + << QMetaType::fromType<CharTemplate<'>', void>>() << true; + QTest::newRow("annon1") << QMetaType::fromType<decltype(CharTemplate<'>'>::x)>() + << QMetaType::fromType<decltype(CharTemplate<'>'>::x)>() << true; + QTest::newRow("annon2") << QMetaType::fromType<decltype(CharTemplate<'>'>::x)>() + << QMetaType::fromType<decltype(CharTemplate<'<'>::x)>() << false; +} + +void tst_QMetaType::operatorEq() +{ + QFETCH(QMetaType, typeA); + QFETCH(QMetaType, typeB); + QFETCH(bool, eq); + + QCOMPARE(typeA == typeB, eq); + QCOMPARE(typeB == typeA, eq); + QCOMPARE(typeA != typeB, !eq); + QCOMPARE(typeB != typeA, !eq); + +#if !defined(Q_OS_WIN) && !defined(Q_OS_INTEGRITY) + // for built-in types or locally-defined types, this must also hold true + if (eq) + QCOMPARE(typeA.iface(), typeB.iface()); +#endif +} + +void tst_QMetaType::operatorEq2_data() +{ + create_data(); +} + +void tst_QMetaType::operatorEq2() +{ + QFETCH(int, type); + QMetaType fromType1, fromType2; + QMetaType fromId1(type), fromId2(type); + + switch (type) { + case QMetaType::UnknownType: + break; +#define GET_METATYPE_FROM_TYPE(MetaTypeName, MetaTypeId, RealType) \ + case QMetaType::MetaTypeName: \ + fromType1 = QMetaType::fromType<RealType>(); \ + fromType2 = QMetaType::fromType<RealType>(); \ + break; +FOR_EACH_CORE_METATYPE(GET_METATYPE_FROM_TYPE) +#undef GET_METATYPE_FROM_TYPE + } + + // sanity check + QCOMPARE(fromId1.id(), type); + QCOMPARE(fromId2.id(), type); + + // confirm that they're all equal + QCOMPARE(fromId1, fromId2); + QCOMPARE(fromType1, fromType2); + QCOMPARE(fromType1, fromId1); + QCOMPARE(fromType2, fromId2); + +#if !defined(Q_OS_WIN) && !defined(Q_OS_INTEGRITY) + // for built-in types (other than void), this must be true + if (type != QMetaType::Void) { + QCOMPARE(fromType1.iface(), fromId1.iface()); + QCOMPARE(fromType2.iface(), fromId1.iface()); + } +#endif +} + +#define DECLARE_LIB_FUNCTION(TYPE, ID) \ + Q_DECL_IMPORT QMetaType metatype_ ## TYPE(); +namespace Lib1 { FOR_EACH_METATYPE_LIBS(DECLARE_LIB_FUNCTION) } +namespace Lib2 { FOR_EACH_METATYPE_LIBS(DECLARE_LIB_FUNCTION) } +#undef DECLARE_LIB_FUNCTION + +using LibMetatypeFunction = QMetaType (*)(); +void tst_QMetaType::operatorEqAcrossLibs_data() +{ + QTest::addColumn<int>("builtinTypeId"); + QTest::addColumn<QMetaType>("localType"); + QTest::addColumn<LibMetatypeFunction>("lib1Function"); + QTest::addColumn<LibMetatypeFunction>("lib2Function"); + +#define ADD_ROW(TYPE, ID) \ + QTest::addRow(QT_STRINGIFY(TYPE)) << int(ID) \ + << QMetaType::fromType<TYPE>() \ + << &Lib1::metatype_ ## TYPE \ + << &Lib2::metatype_ ## TYPE; +FOR_EACH_METATYPE_LIBS(ADD_ROW) +#undef ADD_ROW +} + +void tst_QMetaType::operatorEqAcrossLibs() +{ + QFETCH(int, builtinTypeId); + QFETCH(QMetaType, localType); + QFETCH(LibMetatypeFunction, lib1Function); + QFETCH(LibMetatypeFunction, lib2Function); + + QMetaType lib1Type = lib1Function(); + QMetaType lib2Type = lib2Function(); + + const QtPrivate::QMetaTypeInterface *localIface = localType.iface(); + const QtPrivate::QMetaTypeInterface *lib1Iface = lib1Type.iface(); + const QtPrivate::QMetaTypeInterface *lib2Iface = lib2Type.iface(); + + // DO THIS FIRST: + // if this isn't a built-in type, then the QMetaTypeInterface::typeId is + // initially set to 0 + QCOMPARE(lib1Type, lib2Type); + + int actualTypeId = localType.id(); + bool builtinTypeExpected = builtinTypeId != QMetaType::UnknownType; + bool builtinTypeActually = actualTypeId < QMetaType::User; + + qDebug() << "QMetaType for type" << QByteArray(localType.name()) + << "(type ID" << (actualTypeId >= 0x1000 ? Qt::hex : Qt::dec) << actualTypeId << ')' + << (builtinTypeActually ? "IS" : "is NOT") << "a built-in type;" + << "local interface:" << static_cast<const void *>(localIface) + << "lib1 interface:" << static_cast<const void *>(lib1Iface) + << "lib2 interface:" << static_cast<const void *>(lib2Iface); + + QCOMPARE(builtinTypeActually, builtinTypeExpected); + QCOMPARE(lib1Type.id(), actualTypeId); + QCOMPARE(lib2Type.id(), actualTypeId); + QCOMPARE(QByteArray(lib1Type.name()), QByteArray(localType.name())); + QCOMPARE(QByteArray(lib2Type.name()), QByteArray(localType.name())); + QCOMPARE(lib1Type, localType); + QCOMPARE(lib2Type, localType); + +#if !defined(Q_OS_WIN) && !defined(Q_OS_INTEGRITY) + if (actualTypeId < QMetaType::FirstGuiType && actualTypeId != QMetaType::Void) { + // for built-in QtCore types, we expect the interfaces to be the same too + QCOMPARE(lib1Iface, localIface); + QCOMPARE(lib2Iface, localIface); + } +#endif +} + +class WithPrivateDTor { + ~WithPrivateDTor(){}; +}; + +struct WithDeletedDtor { + ~WithDeletedDtor() = delete; +}; + +void tst_QMetaType::typesWithInaccessibleDTors() +{ + // should compile + Q_UNUSED(QMetaType::fromType<WithPrivateDTor>()); + Q_UNUSED(QMetaType::fromType<WithDeletedDtor>()); +} + +void tst_QMetaType::voidIsNotUnknown() +{ + QMetaType voidType = QMetaType::fromType<void>(); + QMetaType voidType2 = QMetaType(QMetaType::Void); + QCOMPARE(voidType, voidType2); + QVERIFY(voidType != QMetaType(QMetaType::UnknownType)); +} + +void tst_QMetaType::typeNameNormalization() +{ + // check the we normalize types the right way +#define CHECK_TYPE_NORMALIZATION(Normalized, ...) \ + do { \ + /*QCOMPARE(QtPrivate::typenameHelper<Type>(), Normalized);*/ \ + QByteArray typeName = QMetaObject::normalizedType(#__VA_ARGS__); \ + QCOMPARE(typeName, Normalized); \ + typeName = QMetaType::fromType<__VA_ARGS__>().name(); \ + QCOMPARE(typeName, Normalized); \ + } while (0) + + CHECK_TYPE_NORMALIZATION("QList<QString*const>", QList<QString * const>); + CHECK_TYPE_NORMALIZATION("QList<const QString*>", QList<const QString * >); + CHECK_TYPE_NORMALIZATION("QList<const QString*const>", QList<const QString * const>); + CHECK_TYPE_NORMALIZATION("QList<const QString*>", QList<QString const *>); + CHECK_TYPE_NORMALIZATION("QList<signed char>", QList<signed char>); + CHECK_TYPE_NORMALIZATION("QList<uint>", QList<unsigned>); + CHECK_TYPE_NORMALIZATION("uint", uint); + CHECK_TYPE_NORMALIZATION("QList<QHash<uint,QString*>>", QList<QHash<unsigned, QString *>>); + CHECK_TYPE_NORMALIZATION("QList<qlonglong>", QList<qlonglong>); + CHECK_TYPE_NORMALIZATION("QList<qulonglong>", QList<qulonglong>); + CHECK_TYPE_NORMALIZATION("QList<qlonglong>", QList<long long>); + CHECK_TYPE_NORMALIZATION("QList<qulonglong>", QList<unsigned long long>); + CHECK_TYPE_NORMALIZATION("QList<qulonglong*>", QList<unsigned long long *>); + CHECK_TYPE_NORMALIZATION("QList<ulong>", QList<long unsigned >); +#ifdef Q_CC_MSVC + CHECK_TYPE_NORMALIZATION("qulonglong", __int64 unsigned); +#endif + CHECK_TYPE_NORMALIZATION("std::pair<const QString&&,short>", QPair<const QString &&, signed short>); + + // The string based normalization doesn't handle aliases, QMetaType::fromType() does +// CHECK_TYPE_NORMALIZATION("qulonglong", quint64); + QCOMPARE(QMetaType::fromType<quint64>().name(), "qulonglong"); + + // noramlizedType and metatype name agree + { + auto type = QMetaType::fromType<decltype(CharTemplate<'<'>::x)>(); + QCOMPARE(type.name(), QMetaObject::normalizedType(type.name())); + } + { + auto type = QMetaType::fromType<decltype(CharTemplate<'<'>::y)>(); + QCOMPARE(type.name(), QMetaObject::normalizedType(type.name())); + } +} + +QT_BEGIN_NAMESPACE +namespace QtPrivate { struct tst_QMetaType_TestType {}; } +QT_END_NAMESPACE + +void tst_QMetaType::typeNameInQtPrivate() +{ + using T = QT_PREPEND_NAMESPACE(QtPrivate::tst_QMetaType_TestType); + + // some compilers (GCC) are known to suppress the namespace prefix if the + // type and the function where it is expanded on are on the same namespace + static constexpr char expectedName[] = "QtPrivate::tst_QMetaType_TestType"; + QMetaType mt = QMetaType::fromType<T>(); + QCOMPARE(mt.name(), expectedName); +} + +#if QT_DEPRECATED_SINCE(6, 0) +void tst_QMetaType::testDeprecatedGetters() +{ + QFETCH(int, aType); + QFETCH(QByteArray, aTypeName); + + if (aType >= QMetaType::FirstWidgetsType) + QSKIP("The test doesn't link against QtWidgets."); + + // QMetaType::type("name") -> QMetaType::fromName("name").id() + QT_IGNORE_DEPRECATIONS(QCOMPARE(QMetaType::type(aTypeName), + QMetaType::fromName(aTypeName).id());) + // QMetaType::typeName(int) -> QMetaType(int).name() + QT_IGNORE_DEPRECATIONS(QCOMPARE(QLatin1String(QMetaType::typeName(aType)), + QLatin1String(QMetaType(aType).name()));) + // QMetaType::typeFlags(int) -> QMetaType(int).flags() + QT_IGNORE_DEPRECATIONS(QCOMPARE(QMetaType::typeFlags(aType), + QMetaType(aType).flags());) + // QMetaType::metaObjectForType(int) -> QMetaType(int).metaObject() + QT_IGNORE_DEPRECATIONS(QCOMPARE(QMetaType::metaObjectForType(aType), + QMetaType(aType).metaObject());) +} + +void tst_QMetaType::testDeprecatedLoadSave() +{ + QFETCH(int, type); + QFETCH(bool, isStreamable); + + if (!isStreamable) + return; + + QMetaType metaType(type); + void *value = metaType.create(); + auto cleanup = qScopeGuard([&metaType, value]() { + metaType.destroy(value); + }); + + QByteArray ba; + QDataStream stream(&ba, QIODevice::ReadWrite); + + // Write using deprecated API + QT_IGNORE_DEPRECATIONS(QVERIFY(QMetaType::save(stream, type, value));) + QCOMPARE(stream.status(), QDataStream::Ok); + + // Read using non-deprecated API + stream.device()->seek(0); + QVERIFY(metaType.load(stream, value)); + QCOMPARE(stream.status(), QDataStream::Ok); + + // Write using non-deprecated API + stream.device()->seek(0); + ba.clear(); + QVERIFY(metaType.save(stream, value)); + QCOMPARE(stream.status(), QDataStream::Ok); + + // Read using deprecated API + stream.device()->seek(0); + QT_IGNORE_DEPRECATIONS(QVERIFY(QMetaType::load(stream, type, value));) + QCOMPARE(stream.status(), QDataStream::Ok); +} +#endif // QT_DEPRECATED_SINCE(6, 0) + +// Compile-time test, it should be possible to register function pointer types +class Undefined; + +typedef Undefined (*UndefinedFunction0)(); +typedef Undefined (*UndefinedFunction1)(Undefined); +typedef Undefined (*UndefinedFunction2)(Undefined, Undefined); +typedef Undefined (*UndefinedFunction3)(Undefined, Undefined, Undefined); +typedef Undefined (*UndefinedFunction4)(Undefined, Undefined, Undefined, Undefined, Undefined, Undefined, Undefined, Undefined); + +Q_DECLARE_METATYPE(UndefinedFunction0); +Q_DECLARE_METATYPE(UndefinedFunction1); +Q_DECLARE_METATYPE(UndefinedFunction2); +Q_DECLARE_METATYPE(UndefinedFunction3); +Q_DECLARE_METATYPE(UndefinedFunction4); |