// { dg-do run } // { dg-options "-w" } // test of rtti of single inheritance and multiple inheritance with // virtual inheritance // dynamic casting #include extern "C" { int printf(const char *, ...); void exit(int); } class X { public: int xi; virtual int f() {}; }; class Y : public virtual X { short ys; }; class Z : public virtual Y { int zi; }; Z z; Y y; Y *yp = &z; X *xp = &z; Z *zp = &z; class A { public: int Ai; virtual int a() {}; }; class B { public: int Bi; virtual int g() {}; }; class D : public virtual A, private B { int Di; }; class E : public virtual D, public B { int Ei; }; class F : public E, public virtual D { int Fi; }; D d; A *ap = &d; B *bp = (B *)&d; F f; F *fp = &f; A *aap = &f; D *dp = &f; E *ep = &f; B *bbp = (B *)dp; void *vp = zp; /* void error (int i) { printf("FAIL\n"); exit(i); } */ void error (int i) { exit(i); } int main () { vp = (void *)0; vp = dynamic_cast (&z); if (vp == 0) error(11); vp = dynamic_cast (yp); if (vp == 0) error(11); vp = dynamic_cast (yp); if (vp == 0) error(12); vp = dynamic_cast (dp); if (vp != (void *)dp) error(21); // Ill-formed: dynamic_cast to private or ambiguous base // vp = dynamic_cast (dp); // if (vp == (void *)dp) error(21); // vp = dynamic_cast (fp); // if (vp == (void *)bbp) error(22); vp = dynamic_cast (aap); if (vp != (void *)fp) error(23); vp = dynamic_cast (aap); if (vp == (void *)bbp) error(24); }