1 // RUN: %clang_cc1 -fsyntax-only -verify -pedantic -Wno-objc-root-class %s 2 @protocol NSObject 3 @end 4 5 @protocol DTOutputStreams <NSObject> 6 @end 7 8 @interface DTFilterOutputStream <DTOutputStreams> 9 - nextOutputStream; 10 @end 11 12 @implementation DTFilterOutputStream 13 - (id)initWithNextOutputStream:(id <DTOutputStreams>) outputStream { 14 id <DTOutputStreams> nextOutputStream = [self nextOutputStream]; 15 self = nextOutputStream; 16 return nextOutputStream ? nextOutputStream : self; 17 } 18 - nextOutputStream { 19 return self; 20 } 21 @end 22 23 @interface DTFilterOutputStream2 24 - nextOutputStream; // expected-note {{method 'nextOutputStream' declared here}} 25 @end 26 27 @implementation DTFilterOutputStream2 // expected-warning {{method definition for 'nextOutputStream' not found}} 28 - (id)initWithNextOutputStream:(id <DTOutputStreams>) outputStream { 29 id <DTOutputStreams> nextOutputStream = [self nextOutputStream]; 30 self = nextOutputStream; // expected-warning {{assigning to 'DTFilterOutputStream2 *' from incompatible type 'id<DTOutputStreams>'}} 31 return nextOutputStream ? nextOutputStream : self; // expected-warning {{incompatible operand types ('id<DTOutputStreams>' and 'DTFilterOutputStream2 *')}} 32 } 33 @end 34 35 // No @interface declaration for DTFilterOutputStream3 36 @implementation DTFilterOutputStream3 // expected-warning {{cannot find interface declaration for 'DTFilterOutputStream3'}} \ 37 // expected-note {{receiver is instance of class declared here}} 38 - (id)initWithNextOutputStream:(id <DTOutputStreams>) outputStream { 39 id <DTOutputStreams> nextOutputStream = [self nextOutputStream]; // expected-warning {{method '-nextOutputStream' not found (return type defaults to 'id')}} 40 self = nextOutputStream; // expected-warning {{assigning to 'DTFilterOutputStream3 *' from incompatible type 'id<DTOutputStreams>'}} 41 return nextOutputStream ? nextOutputStream : self; // expected-warning {{incompatible operand types ('id<DTOutputStreams>' and 'DTFilterOutputStream3 *')}} 42 } 43 @end 44 45 // 46 47 @protocol P0 48 @property int intProp; 49 @end 50 @protocol P1 51 @end 52 @protocol P2 53 @end 54 55 @interface A <P0> 56 @end 57 58 @interface B : A 59 @end 60 61 @interface C 62 @end 63 64 @interface D 65 @end 66 67 void f0(id<P0> x) { 68 x.intProp = 1; 69 } 70 71 void f1(int cond, id<P0> x, id<P0> y) { 72 (cond ? x : y).intProp = 1; 73 } 74 75 void f2(int cond, id<P0> x, A *y) { 76 (cond ? x : y).intProp = 1; 77 } 78 79 void f3(int cond, id<P0> x, B *y) { 80 (cond ? x : y).intProp = 1; 81 } 82 83 void f4(int cond, id x, B *y) { 84 (cond ? x : y).intProp = 1; // expected-error {{property 'intProp' not found on object of type 'id'}} 85 } 86 87 void f5(int cond, id<P0> x, C *y) { 88 (cond ? x : y).intProp = 1; // expected-warning {{incompatible operand types ('id<P0>' and 'C *')}} expected-error {{property 'intProp' not found on object of type 'id'}} 89 } 90 91 void f6(int cond, C *x, D *y) { 92 (cond ? x : y).intProp = 1; // expected-warning {{incompatible operand types}}, expected-error {{property 'intProp' not found on object of type 'id'}} 93 } 94 95 id f7(int a, id<P0> x, A* p) { 96 return a ? x : p; 97 } 98 99 void f8(int a, A<P0> *x, A *y) { 100 [ (a ? x : y ) intProp ]; 101 } 102 103 void f9(int a, A<P0> *x, A<P1> *y) { 104 id l0 = (a ? x : y ); // expected-warning {{incompatible operand types ('A<P0> *' and 'A<P1> *')}} 105 A<P0> *l1 = (a ? x : y ); // expected-warning {{incompatible operand types ('A<P0> *' and 'A<P1> *')}} 106 A<P1> *l2 = (a ? x : y ); // expected-warning {{incompatible operand types ('A<P0> *' and 'A<P1> *')}} 107 [ (a ? x : y ) intProp ]; // expected-warning {{incompatible operand types ('A<P0> *' and 'A<P1> *')}} 108 } 109 110 void f10(int a, id<P0> x, id y) { 111 [ (a ? x : y ) intProp ]; 112 } 113 114 void f11(int a, id<P0> x, id<P1> y) { 115 [ (a ? x : y ) intProp ]; // expected-warning {{incompatible operand types ('id<P0>' and 'id<P1>')}} 116 } 117 118 void f12(int a, A<P0> *x, A<P1> *y) { 119 A<P1>* l0 = (a ? x : y ); // expected-warning {{incompatible operand types ('A<P0> *' and 'A<P1> *')}} 120 } 121
