| 1 | // RUN: %clang_cc1 -Wmethod-signatures -fsyntax-only -verify -Wno-objc-root-class %s |
| 2 | // RUN: %clang_cc1 -x objective-c++ -Wmethod-signatures -fsyntax-only -verify -Wno-objc-root-class %s |
| 3 | |
| 4 | @interface A @end |
| 5 | @interface B : A @end |
| 6 | |
| 7 | @interface Test1 {} |
| 8 | - (void) test1:(A*) object; // expected-note {{previous definition is here}} |
| 9 | - (void) test2:(B*) object; |
| 10 | @end |
| 11 | |
| 12 | @implementation Test1 |
| 13 | - (void) test1:(B*) object {} // expected-warning {{conflicting parameter types in implementation of 'test1:': 'A *' vs 'B *'}} |
| 14 | - (void) test2:(A*) object {} |
| 15 | @end |
| 16 | |
| 17 | @interface Test2 {} |
| 18 | - (void) test1:(id) object; // expected-note {{previous definition is here}} |
| 19 | - (void) test2:(A*) object; |
| 20 | @end |
| 21 | |
| 22 | @implementation Test2 |
| 23 | - (void) test1:(A*) object {} // expected-warning {{conflicting parameter types in implementation of 'test1:': 'id' vs 'A *'}} |
| 24 | - (void) test2:(id) object {} |
| 25 | @end |
| 26 | |
| 27 | @interface Test3 {} |
| 28 | - (A*) test1; |
| 29 | - (B*) test2; // expected-note {{previous definition is here}} |
| 30 | @end |
| 31 | |
| 32 | @implementation Test3 |
| 33 | - (B*) test1 { return 0; } |
| 34 | - (A*) test2 { return 0; } // expected-warning {{conflicting return type in implementation of 'test2': 'B *' vs 'A *'}} |
| 35 | @end |
| 36 | |
| 37 | // The particular case of overriding with an id return is white-listed. |
| 38 | @interface Test4 {} |
| 39 | - (id) test1; |
| 40 | - (A*) test2; |
| 41 | @end |
| 42 | @implementation Test4 |
| 43 | - (A*) test1 { return 0; } // id -> A* is rdar://problem/8596987 |
| 44 | - (id) test2 { return 0; } |
| 45 | @end |
| 46 | |
| 47 | // rdar://12522752 |
| 48 | typedef int int32_t; |
| 49 | typedef long long int64_t; |
| 50 | |
| 51 | @interface NSObject @end |
| 52 | |
| 53 | @protocol CKMessage |
| 54 | @property (nonatomic,readonly,assign) int64_t sequenceNumber; // expected-note {{previous definition is here}} |
| 55 | @end |
| 56 | |
| 57 | @protocol CKMessage; |
| 58 | |
| 59 | @interface CKIMMessage : NSObject<CKMessage> |
| 60 | @end |
| 61 | |
| 62 | @implementation CKIMMessage |
| 63 | - (int32_t)sequenceNumber { // expected-warning {{conflicting return type in implementation of 'sequenceNumber': 'int64_t' (aka 'long long') vs 'int32_t' (aka 'int')}} |
| 64 | return 0; |
| 65 | } |
| 66 | @end |
| 67 | |
| 68 | // rdar://14650159 |
| 69 | // Tests that property inherited indirectly from a nested protocol |
| 70 | // is seen by the method implementation type matching logic before |
| 71 | // method in super class is seen. This fixes the warning coming |
| 72 | // out of that method mismatch. |
| 73 | @interface NSObject (NSDict) |
| 74 | - (void)setValue:(id)value; |
| 75 | - (id)value; |
| 76 | @end |
| 77 | |
| 78 | @protocol ProtocolWithValue |
| 79 | @property (nonatomic) unsigned value; |
| 80 | @end |
| 81 | |
| 82 | @protocol InterveningProtocol <ProtocolWithValue> |
| 83 | @end |
| 84 | |
| 85 | @interface UsesProtocolWithValue : NSObject <ProtocolWithValue> |
| 86 | @end |
| 87 | |
| 88 | @implementation UsesProtocolWithValue |
| 89 | @synthesize value=_value; |
| 90 | - (unsigned) value |
| 91 | { |
| 92 | return _value; |
| 93 | } |
| 94 | - (void) setValue:(unsigned)value |
| 95 | { |
| 96 | _value = value; |
| 97 | } |
| 98 | @end |
| 99 | |
| 100 | |
| 101 | @interface UsesInterveningProtocol : NSObject <InterveningProtocol> |
| 102 | @end |
| 103 | |
| 104 | @implementation UsesInterveningProtocol |
| 105 | |
| 106 | @synthesize value=_value; |
| 107 | - (unsigned) value |
| 108 | { |
| 109 | return _value; |
| 110 | } |
| 111 | - (void) setValue:(unsigned)value |
| 112 | { |
| 113 | _value = value; |
| 114 | } |
| 115 | @end |
| 116 | |