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 | @protocol P3 <P1> |
55 | @end |
56 | @protocol P4 <P1> |
57 | @end |
58 | |
59 | @interface A <P0> |
60 | @end |
61 | |
62 | @interface B : A |
63 | @end |
64 | |
65 | @interface C |
66 | @end |
67 | |
68 | @interface D |
69 | @end |
70 | |
71 | @interface E : A |
72 | @end |
73 | |
74 | void f0(id<P0> x) { |
75 | x.intProp = 1; |
76 | } |
77 | |
78 | void f1(int cond, id<P0> x, id<P0> y) { |
79 | (cond ? x : y).intProp = 1; |
80 | } |
81 | |
82 | void f2(int cond, id<P0> x, A *y) { |
83 | (cond ? x : y).intProp = 1; |
84 | } |
85 | |
86 | void f3(int cond, id<P0> x, B *y) { |
87 | (cond ? x : y).intProp = 1; |
88 | } |
89 | |
90 | void f4(int cond, id x, B *y) { |
91 | (cond ? x : y).intProp = 1; // expected-error {{property 'intProp' not found on object of type 'id'}} |
92 | } |
93 | |
94 | void f5(int cond, id<P0> x, C *y) { |
95 | (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'}} |
96 | } |
97 | |
98 | void f6(int cond, C *x, D *y) { |
99 | (cond ? x : y).intProp = 1; // expected-warning {{incompatible operand types}}, expected-error {{property 'intProp' not found on object of type 'id'}} |
100 | } |
101 | |
102 | id f7(int a, id<P0> x, A* p) { |
103 | return a ? x : p; |
104 | } |
105 | |
106 | int f8(int a, A<P0> *x, A *y) { |
107 | return [ (a ? x : y ) intProp ]; |
108 | } |
109 | |
110 | void f9(int a, A<P0> *x, A<P1> *y) { |
111 | id l0 = (a ? x : y ); // Ok. y is of A<P1> object type and A is qualified by P0. |
112 | A<P0> *l1 = (a ? x : y ); // Ok. y is of A<P1> object type and A is qualified by P0. |
113 | A<P1> *l2 = (a ? x : y ); // expected-warning {{incompatible pointer types initializing 'A<P1> *' with an expression of type 'A<P0> *'}} |
114 | (void)[ (a ? x : y ) intProp ]; // Ok. Common type is A<P0> * and P0's property intProp is accessed. |
115 | } |
116 | |
117 | void f10(int a, id<P0> x, id y) { |
118 | [ (a ? x : y ) intProp ]; |
119 | } |
120 | |
121 | void f11(int a, id<P0> x, id<P1> y) { |
122 | [ (a ? x : y ) intProp ]; // expected-warning {{incompatible operand types ('id<P0>' and 'id<P1>')}} |
123 | } |
124 | |
125 | void f12(int a, A<P0> *x, A<P1> *y) { |
126 | A<P1>* l0 = (a ? x : y ); // expected-warning {{incompatible pointer types initializing 'A<P1> *' with an expression of type 'A<P0> *'}} |
127 | } |
128 | |
129 | void f13(int a, B<P3, P0> *x, E<P0, P4> *y) { |
130 | int *ip = a ? x : y; // expected-warning{{expression of type 'A<P1> *'}} |
131 | } |
132 | |