diff options
Diffstat (limited to 'tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp')
-rw-r--r-- | tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp b/tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp index 5a7c677a29..0780fb9172 100644 --- a/tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp +++ b/tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp @@ -45,7 +45,9 @@ #include <limits.h> #include <float.h> #include <cmath> - +#if QT_HAS_INCLUDE(<variant>) && __cplusplus >= 201703L +#include <variant> +#endif #include <QLinkedList> #include <QRegularExpression> #include <QDir> @@ -281,6 +283,8 @@ private slots: void accessSequentialContainerKey(); + void fromStdVariant(); + private: void dataStream_data(QDataStream::Version version); void loadQVariantFromDataStream(QDataStream::Version version); @@ -4950,5 +4954,41 @@ void tst_QVariant::accessSequentialContainerKey() QCOMPARE(nameResult, QStringLiteral("Seven")); } +void tst_QVariant::fromStdVariant() +{ +#if QT_HAS_INCLUDE(<variant>) && __cplusplus >= 201703L + { + typedef std::variant<int, bool> intorbool_t; + intorbool_t stdvar = 5; + QVariant qvar = QVariant::fromStdVariant(stdvar); + QVERIFY(!qvar.isNull()); + QCOMPARE(qvar.type(), QVariant::Int); + QCOMPARE(qvar.value<int>(), std::get<int>(stdvar)); + stdvar = true; + qvar = QVariant::fromStdVariant(stdvar); + QVERIFY(!qvar.isNull()); + QCOMPARE(qvar.type(), QVariant::Bool); + QCOMPARE(qvar.value<bool>(), std::get<bool>(stdvar)); + } + { + std::variant<std::monostate, int> stdvar; + QVariant qvar = QVariant::fromStdVariant(stdvar); + QVERIFY(!qvar.isValid()); + stdvar = -4; + qvar = QVariant::fromStdVariant(stdvar); + QVERIFY(!qvar.isNull()); + QCOMPARE(qvar.type(), QVariant::Int); + QCOMPARE(qvar.value<int>(), std::get<int>(stdvar)); + } + { + std::variant<int, bool, QChar> stdvar = QChar::fromLatin1(' '); + QVariant qvar = QVariant::fromStdVariant(stdvar); + QVERIFY(!qvar.isNull()); + QCOMPARE(qvar.type(), QVariant::Char); + QCOMPARE(qvar.value<QChar>(), std::get<QChar>(stdvar)); + } +#endif +} + QTEST_MAIN(tst_QVariant) #include "tst_qvariant.moc" |