Previously, the input object wasn't checked for nullness, and thus
the qmlobject_cast could assert.
Change-Id: I3552150953cef8411a860a381e28b1d681494b08
Reviewed-by: Kent Hansen <kent.hansen@nokia.com>
Reviewed-by: Aaron Kennedy <aaron.kennedy@nokia.com>
template<class T>
T qmlobject_cast(QObject *object)
{
- if (QQmlMetaObject::canConvert(object, &reinterpret_cast<T>(object)->staticMetaObject))
+ if (object && QQmlMetaObject::canConvert(object, &reinterpret_cast<T>(object)->staticMetaObject))
return static_cast<T>(object);
else
return 0;
private slots:
void fastConnect();
+ void fastCast();
};
class MyObject : public QObject {
}
}
+void tst_qqmlcpputils::fastCast()
+{
+ {
+ QObject *myObj = new MyObject;
+ MyObject *obj = qmlobject_cast<MyObject*>(myObj);
+ QVERIFY(obj);
+ QCOMPARE(obj->metaObject(), myObj->metaObject());
+ obj->slot1();
+ QCOMPARE(obj->slotCount, 1);
+ delete myObj;
+ }
+
+ {
+ QObject *nullObj = 0;
+ QObject *obj = qmlobject_cast<QObject *>(nullObj);
+ QCOMPARE(obj, nullObj); // shouldn't crash/assert.
+ }
+}
+
QTEST_MAIN(tst_qqmlcpputils)
#include "tst_qqmlcpputils.moc"