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 16 void bar(id x); 17 void barP0(id<P0> x); 18 void barP1(id<P1> x); 19 void barP2(id<P2> x); 20 21 void f0(A *a) { 22 id l = a; 23 } 24 25 void f1(id x, A *a) { 26 id<P0> l = a; 27 } 28 29 void f2(id<P1> x) { 30 id<P0> l = x; // expected-error {{cannot initialize a variable of type 'id<P0>' with an lvalue of type 'id<P1>'}} 31 } 32 33 void f3(A *a) { 34 id<P1> l = a; // expected-error {{cannot initialize a variable of type 'id<P1>' with an lvalue of type 'A *'}} 35 } 36 37 void f4(int cond, id x, A *a) { 38 bar(cond ? x : a); 39 } 40 41 void f5(int cond, A *a, B *b) { 42 bar(cond ? a : b); 43 } 44 45 void f6(int cond, id x, A *a) { 46 bar(cond ? (id<P0, P1>) x : a); 47 } 48 49 void f7(int cond, id x, A *a) { 50 bar(cond ? a : (id<P0, P1>) x); 51 } 52 53 void 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 57 void 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 61 void 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 65 int 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
