diff options
author | Stephen Kelly <stephen.kelly@kdab.com> | 2012-03-02 14:48:09 +0100 |
---|---|---|
committer | Qt by Nokia <qt-info@nokia.com> | 2012-03-06 13:37:17 +0100 |
commit | eb24dfcccb304c84a147f0eafd3b3fc3df3ef4f3 (patch) | |
tree | 24f6ed9f377f52a69006488ba24af4762581105b /tests/auto/corelib/kernel/qmetatype | |
parent | 9a5c728e4664cdd22ab999a9c7c15b7ed4965ce1 (diff) |
Add template specialization of QMetaType for QObject derived pointers.
This makes it possible to do things like
QVariant::fromValue(new SomeObject);
without first using Q_DECLARE_METATYPE(Something*)
This functionality was originally part of
http://codereview.qt-project.org/#change,11710 but was rejected
because the functionality was based on specialization of
QVariant::fromValue which could be dangerous.
This new implementation doesn't have such danger.
Change-Id: I83fe941b6984be54469bc6b9191f6eacaceaa036
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@nokia.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Diffstat (limited to 'tests/auto/corelib/kernel/qmetatype')
-rw-r--r-- | tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp b/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp index f8403f11a1..572ecc9ba8 100644 --- a/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp +++ b/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp @@ -100,12 +100,29 @@ private slots: struct Foo { int i; }; + +class CustomQObject : public QObject +{ + Q_OBJECT +public: + CustomQObject(QObject *parent = 0) + : QObject(parent) + { + } +}; + +class CustomNonQObject {}; + void tst_QMetaType::defined() { QCOMPARE(int(QMetaTypeId2<QString>::Defined), 1); QCOMPARE(int(QMetaTypeId2<Foo>::Defined), 0); QCOMPARE(int(QMetaTypeId2<void*>::Defined), 1); QCOMPARE(int(QMetaTypeId2<int*>::Defined), 0); + QVERIFY(QMetaTypeId2<CustomQObject*>::Defined); + QVERIFY(!QMetaTypeId2<CustomQObject>::Defined); + QVERIFY(!QMetaTypeId2<CustomNonQObject>::Defined); + QVERIFY(!QMetaTypeId2<CustomNonQObject*>::Defined); } struct Bar |