diff options
Diffstat (limited to 'tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp')
| -rw-r--r-- | tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp | 402 |
1 files changed, 400 insertions, 2 deletions
diff --git a/tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp b/tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp index 4d862f4fc5..eab2ba4f36 100644 --- a/tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp +++ b/tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp @@ -154,6 +154,7 @@ private slots: void qvariant_cast_QObject_data(); void qvariant_cast_QObject(); void qvariant_cast_QObject_derived(); + void qvariant_cast_QObject_wrapper(); void toLocale(); @@ -242,6 +243,9 @@ private slots: void saveNewBuiltinWithOldStream(); void implicitConstruction(); + + void iterateContainerElements(); + void pairElements(); private: void dataStream_data(QDataStream::Version version); void loadQVariantFromDataStream(QDataStream::Version version); @@ -990,8 +994,8 @@ void tst_QVariant::toString_data() QTest::newRow( "float" ) << QVariant( 123.456f ) << QString( "123.456" ); QTest::newRow( "bool" ) << QVariant( true ) << QString( "true" ); QTest::newRow( "qdate" ) << QVariant( QDate( 2002, 1, 1 ) ) << QString( "2002-01-01" ); - QTest::newRow( "qtime" ) << QVariant( QTime( 12, 34, 56 ) ) << QString( "12:34:56" ); - QTest::newRow( "qdatetime" ) << QVariant( QDateTime( QDate( 2002, 1, 1 ), QTime( 12, 34, 56 ) ) ) << QString( "2002-01-01T12:34:56" ); + QTest::newRow( "qtime" ) << QVariant( QTime( 12, 34, 56 ) ) << QString( "12:34:56.000" ); + QTest::newRow( "qdatetime" ) << QVariant( QDateTime( QDate( 2002, 1, 1 ), QTime( 12, 34, 56 ) ) ) << QString( "2002-01-01T12:34:56.000" ); QTest::newRow( "llong" ) << QVariant( (qlonglong)Q_INT64_C(123456789012) ) << QString( "123456789012" ); QTest::newRow("QJsonValue") << QVariant(QJsonValue(QString("hello"))) << QString("hello"); @@ -2232,6 +2236,93 @@ void tst_QVariant::qvariant_cast_QObject_derived() } } +struct QObjectWrapper +{ + explicit QObjectWrapper(QObject *o = 0) : obj(o) {} + + QObject* getObject() const { + return obj; + } +private: + QObject *obj; +}; + +Q_DECLARE_METATYPE(QObjectWrapper) + +struct Converter +{ + Converter() {} + + QObject* operator()(const QObjectWrapper &f) const + { + return f.getObject(); + } +}; + +namespace MyNS { + +template<typename T> +class SmartPointer +{ + T* pointer; +public: + typedef T element_type; + explicit SmartPointer(T *t = 0) + : pointer(t) + { + } + + T* operator->() const { return pointer; } +}; + +template<typename T> +struct SequentialContainer +{ + T t; +}; + +template<typename T, typename U> +struct AssociativeContainer +{ + T t; + U u; +}; + +} + +Q_DECLARE_SMART_POINTER_METATYPE(MyNS::SmartPointer) + +Q_DECLARE_METATYPE_TEMPLATE_1ARG(MyNS::SequentialContainer) +Q_DECLARE_METATYPE_TEMPLATE_2ARG(MyNS::AssociativeContainer) + +Q_DECLARE_METATYPE(MyNS::SmartPointer<int>) + +void tst_QVariant::qvariant_cast_QObject_wrapper() +{ + QMetaType::registerConverter<QObjectWrapper, QObject*>(&QObjectWrapper::getObject); + + CustomQObjectDerived *object = new CustomQObjectDerived(this); + QObjectWrapper wrapper(object); + QVariant v = QVariant::fromValue(wrapper); + QCOMPARE(v.value<QObject*>(), object); + v.convert(qMetaTypeId<QObject*>()); + QCOMPARE(v.value<QObject*>(), object); + + MyNS::SequentialContainer<int> sc; + sc.t = 47; + MyNS::AssociativeContainer<int, short> ac; + ac.t = 42; + ac.u = 5; + + QVariant::fromValue(sc); + QVariant::fromValue(ac); + + // Compile tests: + qRegisterMetaType<MyNS::SmartPointer<int> >(); + // Not declared as a metatype: + qRegisterMetaType<MyNS::SmartPointer<double> >("MyNS::SmartPointer<double>"); +} + void tst_QVariant::convertToQUint8() const { /* qint8. */ @@ -3392,5 +3483,312 @@ void tst_QVariant::saveNewBuiltinWithOldStream() QCOMPARE(int(data.constData()[3]), 0); } +template<typename Container, typename Value_Type = typename Container::value_type> +struct ContainerAPI +{ + static void insert(Container &container, typename Container::value_type value) + { + container.push_back(value); + } + + static bool compare(const QVariant &variant, typename Container::value_type value) + { + return variant.value<typename Container::value_type>() == value; + } + static bool compare(QVariant variant, const QVariant &value) + { + return variant == value; + } +}; + +template<typename Container> +struct ContainerAPI<Container, QVariant> +{ + static void insert(Container &container, int value) + { + container.push_back(QVariant::fromValue(value)); + } + + static bool compare(QVariant variant, const QVariant &value) + { + return variant == value; + } +}; + +template<typename Container> +struct ContainerAPI<Container, QString> +{ + static void insert(Container &container, int value) + { + container.push_back(QString::number(value)); + } + + static bool compare(const QVariant &variant, QString value) + { + return variant.value<QString>() == value; + } + static bool compare(QVariant variant, const QVariant &value) + { + return variant == value; + } +}; + +// We have no built-in defines to check the stdlib features. +// #define TEST_FORWARD_LIST + +#ifdef TEST_FORWARD_LIST +#include <forward_list> +Q_DECLARE_METATYPE(std::forward_list<int>) +Q_DECLARE_METATYPE(std::forward_list<QVariant>) +Q_DECLARE_METATYPE(std::forward_list<QString>) + +template<typename Value_Type> +struct ContainerAPI<std::forward_list<Value_Type> > +{ + static void insert(std::forward_list<Value_Type> &container, Value_Type value) + { + container.push_front(value); + } + static bool compare(const QVariant &variant, Value_Type value) + { + return variant.value<Value_Type>() == value; + } + static bool compare(QVariant variant, const QVariant &value) + { + return variant == value; + } +}; + +template<> +struct ContainerAPI<std::forward_list<QVariant> > +{ + static void insert(std::forward_list<QVariant> &container, int value) + { + container.push_front(QVariant::fromValue(value)); + } + + static bool compare(QVariant variant, const QVariant &value) + { + return variant == value; + } +}; + +template<> +struct ContainerAPI<std::forward_list<QString> > +{ + static void insert(std::forward_list<QString> &container, int value) + { + container.push_front(QString::number(value)); + } + static bool compare(const QVariant &variant, QString value) + { + return variant.value<QString>() == value; + } + static bool compare(QVariant variant, const QVariant &value) + { + return variant == value; + } +}; +#endif + +template<typename Container> +struct KeyGetter +{ + static const typename Container::key_type & get(const typename Container::const_iterator &it) + { + return it.key(); + } + static const typename Container::mapped_type & value(const typename Container::const_iterator &it) + { + return it.value(); + } +}; + +template<typename T, typename U> +struct KeyGetter<std::map<T, U> > +{ + static const T & get(const typename std::map<T, U>::const_iterator &it) + { + return it->first; + } + static const U & value(const typename std::map<T, U>::const_iterator &it) + { + return it->second; + } +}; + + +// We have no built-in defines to check the stdlib features. +// #define TEST_UNORDERED_MAP + +#ifdef TEST_UNORDERED_MAP +#include <unordered_map> +typedef std::unordered_map<int, bool> StdUnorderedMap_int_bool; +Q_DECLARE_METATYPE(StdUnorderedMap_int_bool) + +template<typename T, typename U> +struct KeyGetter<std::unordered_map<T, U> > +{ + static const T & get(const typename std::unordered_map<T, U>::const_iterator &it) + { + return it->first; + } + static const U & value(const typename std::unordered_map<T, U>::const_iterator &it) + { + return it->second; + } +}; +#endif + +void tst_QVariant::iterateContainerElements() +{ +#ifdef Q_COMPILER_RANGE_FOR + +#define TEST_RANGE_FOR(CONTAINER, VALUE_TYPE) \ + numSeen = 0; \ + containerIter = intList.begin(); \ + for (QVariant v : listIter) { \ + QVERIFY(ContainerAPI<CONTAINER<VALUE_TYPE > >::compare(v, *containerIter)); \ + QVERIFY(ContainerAPI<CONTAINER<VALUE_TYPE > >::compare(v, varList.at(numSeen))); \ + ++containerIter; \ + ++numSeen; \ + } \ + QCOMPARE(numSeen, (int)std::distance(intList.begin(), intList.end())); + +#else + +#define TEST_RANGE_FOR(CONTAINER, VALUE_TYPE) + +#endif + +#define TEST_SEQUENTIAL_ITERATION(CONTAINER, VALUE_TYPE) \ + { \ + int numSeen = 0; \ + CONTAINER<VALUE_TYPE > intList; \ + ContainerAPI<CONTAINER<VALUE_TYPE > >::insert(intList, 1); \ + ContainerAPI<CONTAINER<VALUE_TYPE > >::insert(intList, 2); \ + ContainerAPI<CONTAINER<VALUE_TYPE > >::insert(intList, 3); \ + \ + QVariant listVariant = QVariant::fromValue(intList); \ + QVERIFY(listVariant.canConvert<QVariantList>()); \ + QVariantList varList = listVariant.value<QVariantList>(); \ + QCOMPARE(varList.size(), (int)std::distance(intList.begin(), intList.end())); \ + QSequentialIterable listIter = listVariant.value<QSequentialIterable>(); \ + QCOMPARE(varList.size(), listIter.size()); \ + \ + CONTAINER<VALUE_TYPE >::iterator containerIter = intList.begin(); \ + const CONTAINER<VALUE_TYPE >::iterator containerEnd = intList.end(); \ + for (int i = 0; i < listIter.size(); ++i, ++containerIter, ++numSeen) \ + { \ + QVERIFY(ContainerAPI<CONTAINER<VALUE_TYPE > >::compare(listIter.at(i), *containerIter)); \ + QVERIFY(ContainerAPI<CONTAINER<VALUE_TYPE > >::compare(listIter.at(i), varList.at(i))); \ + } \ + QCOMPARE(numSeen, (int)std::distance(intList.begin(), intList.end())); \ + QCOMPARE(containerIter, containerEnd); \ + \ + containerIter = intList.begin(); \ + numSeen = 0; \ + Q_FOREACH (const QVariant &v, listIter) { \ + QVERIFY(ContainerAPI<CONTAINER<VALUE_TYPE > >::compare(v, *containerIter)); \ + QVERIFY(ContainerAPI<CONTAINER<VALUE_TYPE > >::compare(v, varList.at(numSeen))); \ + ++containerIter; \ + ++numSeen; \ + } \ + QCOMPARE(numSeen, (int)std::distance(intList.begin(), intList.end())); \ + TEST_RANGE_FOR(CONTAINER, VALUE_TYPE) \ + } + + TEST_SEQUENTIAL_ITERATION(QVector, int) + TEST_SEQUENTIAL_ITERATION(QVector, QVariant) + TEST_SEQUENTIAL_ITERATION(QVector, QString) + TEST_SEQUENTIAL_ITERATION(QQueue, int) + TEST_SEQUENTIAL_ITERATION(QQueue, QVariant) + TEST_SEQUENTIAL_ITERATION(QQueue, QString) + TEST_SEQUENTIAL_ITERATION(QList, int) + TEST_SEQUENTIAL_ITERATION(QList, QVariant) + TEST_SEQUENTIAL_ITERATION(QList, QString) + TEST_SEQUENTIAL_ITERATION(QStack, int) + TEST_SEQUENTIAL_ITERATION(QStack, QVariant) + TEST_SEQUENTIAL_ITERATION(QStack, QString) + TEST_SEQUENTIAL_ITERATION(std::vector, int) + TEST_SEQUENTIAL_ITERATION(std::vector, QVariant) + TEST_SEQUENTIAL_ITERATION(std::vector, QString) + TEST_SEQUENTIAL_ITERATION(std::list, int) + TEST_SEQUENTIAL_ITERATION(std::list, QVariant) + TEST_SEQUENTIAL_ITERATION(std::list, QString) + +#ifdef TEST_FORWARD_LIST + qRegisterSequentialConverter<std::forward_list<int> >(); + qRegisterSequentialConverter<std::forward_list<QVariant> >(); + qRegisterSequentialConverter<std::forward_list<QString> >(); + TEST_SEQUENTIAL_ITERATION(std::forward_list, int) + TEST_SEQUENTIAL_ITERATION(std::forward_list, QVariant) + TEST_SEQUENTIAL_ITERATION(std::forward_list, QString) +#endif + +#define TEST_ASSOCIATIVE_ITERATION(CONTAINER, KEY_TYPE, MAPPED_TYPE) \ + { \ + int numSeen = 0; \ + CONTAINER<KEY_TYPE, MAPPED_TYPE> mapping; \ + mapping[5] = true; \ + mapping[15] = false; \ + \ + QVariant mappingVariant = QVariant::fromValue(mapping); \ + QVariantMap varMap = mappingVariant.value<QVariantMap>(); \ + QVariantMap varHash = mappingVariant.value<QVariantMap>(); \ + QAssociativeIterable mappingIter = mappingVariant.value<QAssociativeIterable>(); \ + \ + CONTAINER<KEY_TYPE, MAPPED_TYPE>::const_iterator containerIter = mapping.begin(); \ + const CONTAINER<KEY_TYPE, MAPPED_TYPE>::const_iterator containerEnd = mapping.end(); \ + for ( ; containerIter != containerEnd; ++containerIter, ++numSeen) \ + { \ + MAPPED_TYPE expected = KeyGetter<CONTAINER<KEY_TYPE, MAPPED_TYPE> >::value(containerIter); \ + KEY_TYPE key = KeyGetter<CONTAINER<KEY_TYPE, MAPPED_TYPE> >::get(containerIter); \ + MAPPED_TYPE actual = mappingIter.value(key).value<MAPPED_TYPE >(); \ + QCOMPARE(varMap.value(QString::number(key)).value<MAPPED_TYPE>(), expected); \ + QCOMPARE(varHash.value(QString::number(key)).value<MAPPED_TYPE>(), expected); \ + QCOMPARE(actual, expected); \ + } \ + QCOMPARE(numSeen, (int)std::distance(mapping.begin(), mapping.end())); \ + QCOMPARE(containerIter, containerEnd); \ + \ + } + + TEST_ASSOCIATIVE_ITERATION(QHash, int, bool) + TEST_ASSOCIATIVE_ITERATION(QMap, int, bool) + TEST_ASSOCIATIVE_ITERATION(std::map, int, bool) +#ifdef TEST_UNORDERED_MAP + qRegisterAssociativeConverter<StdUnorderedMap_int_bool>(); + TEST_ASSOCIATIVE_ITERATION(std::unordered_map, int, bool) +#endif +} + +void tst_QVariant::pairElements() +{ + typedef QPair<QVariant, QVariant> QVariantPair; + +#define TEST_PAIR_ELEMENT_ACCESS(PAIR, T1, T2, VALUE1, VALUE2) \ + { \ + PAIR<T1, T2> p(VALUE1, VALUE2); \ + QVariant v = QVariant::fromValue(p); \ + \ + QVERIFY(v.canConvert<QVariantPair>()); \ + QVariantPair pi = v.value<QVariantPair>(); \ + QCOMPARE(pi.first, QVariant::fromValue(VALUE1)); \ + QCOMPARE(pi.second, QVariant::fromValue(VALUE2)); \ + } + + TEST_PAIR_ELEMENT_ACCESS(QPair, int, int, 4, 5) + TEST_PAIR_ELEMENT_ACCESS(std::pair, int, int, 4, 5) + TEST_PAIR_ELEMENT_ACCESS(QPair, QString, QString, QStringLiteral("one"), QStringLiteral("two")) + TEST_PAIR_ELEMENT_ACCESS(std::pair, QString, QString, QStringLiteral("one"), QStringLiteral("two")) + TEST_PAIR_ELEMENT_ACCESS(QPair, QVariant, QVariant, 4, 5) + TEST_PAIR_ELEMENT_ACCESS(std::pair, QVariant, QVariant, 4, 5) + TEST_PAIR_ELEMENT_ACCESS(QPair, QVariant, int, 41, 15) + TEST_PAIR_ELEMENT_ACCESS(std::pair, QVariant, int, 34, 65) + TEST_PAIR_ELEMENT_ACCESS(QPair, int, QVariant, 24, 25) + TEST_PAIR_ELEMENT_ACCESS(std::pair, int, QVariant, 44, 15) +} + QTEST_MAIN(tst_QVariant) #include "tst_qvariant.moc" |