1// RUN: %clang_cc1 -fsyntax-only -verify %s 2 3@protocol P0 4@end 5@protocol P1 6@end 7@protocol P2 8@end 9 10@interface A <P0> 11@end 12 13@interface B : A 14@end 15 16void bar(id x); 17void barP0(id<P0> x); 18void barP1(id<P1> x); 19void barP2(id<P2> x); 20 21void f0(A *a) { 22 id l = a; 23} 24 25void f1(id x, A *a) { 26 id<P0> l = a; 27} 28 29void f2(id<P1> x) { 30 id<P0> l = x; // expected-warning {{initializing 'id<P0>' with an expression of incompatible type 'id<P1>'}} 31} 32 33void f3(A *a) { 34 id<P1> l = a; // expected-warning {{initializing 'id<P1>' with an expression of incompatible type 'A *'}} 35} 36 37void f4(int cond, id x, A *a) { 38 bar(cond ? x : a); 39} 40 41void f5(int cond, A *a, B *b) { 42 bar(cond ? a : b); 43} 44 45void f6(int cond, id x, A *a) { 46 bar(cond ? (id<P0, P1>) x : a); 47} 48 49void f7(int cond, id x, A *a) { 50 bar(cond ? a : (id<P0, P1>) x); 51} 52 53void f8(int cond, id<P0,P1> x0, id<P0,P2> x1) { 54 barP0(cond ? x0 : x1); // expected-warning {{incompatible operand types ('id<P0,P1>' and 'id<P0,P2>')}} 55} 56 57void f9(int cond, id<P0,P1> x0, id<P0,P2> x1) { 58 barP1(cond ? x0 : x1); // expected-warning {{incompatible operand types ('id<P0,P1>' and 'id<P0,P2>')}} 59} 60 61void f10(int cond, id<P0,P1> x0, id<P0,P2> x1) { 62 barP2(cond ? x0 : x1); // expected-warning {{incompatible operand types ('id<P0,P1>' and 'id<P0,P2>')}} 63} 64 65int f11(int cond, A* a, B* b) { 66 return (cond? b : a)->x; // expected-error{{'A' does not have a member named 'x'}} 67} 68