diff options
| -rw-r--r-- | src/corelib/kernel/qmetatype.cpp | 6 | ||||
| -rw-r--r-- | tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp | 11 |
2 files changed, 17 insertions, 0 deletions
diff --git a/src/corelib/kernel/qmetatype.cpp b/src/corelib/kernel/qmetatype.cpp index eb67544f21..632b86959d 100644 --- a/src/corelib/kernel/qmetatype.cpp +++ b/src/corelib/kernel/qmetatype.cpp @@ -2566,6 +2566,8 @@ void *QMetaType::createExtended(const void *copy) const */ void QMetaType::destroyExtended(void *data) const { + if (m_typeId == QMetaType::UnknownType) + return; if (Q_UNLIKELY(m_typedDestructor && !m_destructor)) m_typedDestructor(m_typeId, data); else @@ -2582,6 +2584,8 @@ void QMetaType::destroyExtended(void *data) const */ void *QMetaType::constructExtended(void *where, const void *copy) const { + if (m_typeId == QMetaType::UnknownType) + return nullptr; if (m_typedConstructor && !m_constructor) return m_typedConstructor(m_typeId, where, copy); return nullptr; @@ -2596,6 +2600,8 @@ void *QMetaType::constructExtended(void *where, const void *copy) const */ void QMetaType::destructExtended(void *data) const { + if (m_typeId == QMetaType::UnknownType) + return; if (m_typedDestructor && !m_destructor) m_typedDestructor(m_typeId, data); } diff --git a/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp b/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp index 5d9b5ca95c..e6fac74ccc 100644 --- a/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp +++ b/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp @@ -123,6 +123,7 @@ private slots: void compareCustomType(); void compareCustomEqualOnlyType(); void customDebugStream(); + void unknownType(); }; struct BaseGenericType @@ -2529,6 +2530,16 @@ void tst_QMetaType::customDebugStream() qDebug() << v1; } +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); +} // Compile-time test, it should be possible to register function pointer types class Undefined; |