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invokeMethod: Try invoking functor and member function accepting pointer, returning void

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Due to the pre-existing overload of invokeMethod that accepts a void-pointer there is
concern that the new overloads would not be preferred.
Here we add a test for this to verify all supported platforms work.

Change-Id: Ie5ac7bf16643599006ac57e0145feb6aace3fa87
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
Mårten Nordheim 2023-08-23 16:13:14 +02:00
parent a7d2855b3c
commit 4ffb227c78
1 changed files with 20 additions and 0 deletions
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20
tests/auto/corelib/kernel/qmetaobject/tst_qmetaobject.cpp
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@ -516,6 +516,8 @@ public slots:
qlonglong *sl15(qlonglong *);
MyForwardDeclaredType *sl16(MyForwardDeclaredType *);
void sl17(int *i) { *i = 242; }
void overloadedSlot();
void overloadedSlot(int, int);
void overloadedSlot(int);
@ -1175,6 +1177,24 @@ void tst_QMetaObject::invokePointer()
QVERIFY(QMetaObject::invokeMethod(&obj, variadic, qReturnArg(result), u"bu"_s, 1, 2, 3, 4, 5, 6));
QCOMPARE(result, u"bu123456");
}
{
// Testing a functor returning void and accepting a pointer,
// this may trigger the pointer to be interpreted as the old void*
// return parameter.
bool invoked = false;
auto lambda = [&invoked](void *ptr) -> void {
Q_UNUSED(ptr);
invoked = true;
};
int i = 242;
QVERIFY(QMetaObject::invokeMethod(&obj, lambda, &i));
QVERIFY(invoked);
// member fn
i = 0;
QVERIFY(QMetaObject::invokeMethod(&obj, &QtTestObject::sl17, &i));
QCOMPARE(i, 242);
}
}
void tst_QMetaObject::invokeQueuedMetaMember()