+++ /dev/null
-// Testcase for tricky dynamic cast situations.
-
-struct A {
- virtual void f () { }
-};
-
-struct B : public A { };
-struct C : public B { };
-struct D : public B { };
-struct E : public C, public D { };
-
-struct B2 : public virtual A { };
-struct C2 : public B2 { };
-struct D2 : public B2 { };
-struct E2 : public C2, public D2 { };
-
-int main ()
-{
- E e;
- E2 e2;
-
- A* ap = (C*)&e;
-
- // ap points to base subobject of unique B; succeeds
- if (dynamic_cast <B*> (ap) == 0)
- return 1;
-
- ap = (C2*)&e2;
- // ap points to base subobject shared by two Bs; fails
- if (dynamic_cast <B2*> (ap) != 0)
- return 2;
-}