115 lines
2.8 KiB
Objective-C
115 lines
2.8 KiB
Objective-C
// RUN: %clang_cc1 -Wmethod-signatures -fsyntax-only -verify -Wno-objc-root-class %s
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// RUN: %clang_cc1 -x objective-c++ -Wmethod-signatures -fsyntax-only -verify -Wno-objc-root-class %s
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@interface A @end
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@interface B : A @end
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@interface Test1 {}
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- (void) test1:(A*) object; // expected-note {{previous definition is here}}
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- (void) test2:(B*) object;
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@end
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@implementation Test1
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- (void) test1:(B*) object {} // expected-warning {{conflicting parameter types in implementation of 'test1:': 'A *' vs 'B *'}}
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- (void) test2:(A*) object {}
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@end
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@interface Test2 {}
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- (void) test1:(id) object; // expected-note {{previous definition is here}}
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- (void) test2:(A*) object;
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@end
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@implementation Test2
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- (void) test1:(A*) object {} // expected-warning {{conflicting parameter types in implementation of 'test1:': 'id' vs 'A *'}}
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- (void) test2:(id) object {}
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@end
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@interface Test3 {}
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- (A*) test1;
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- (B*) test2; // expected-note {{previous definition is here}}
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@end
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@implementation Test3
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- (B*) test1 { return 0; }
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- (A*) test2 { return 0; } // expected-warning {{conflicting return type in implementation of 'test2': 'B *' vs 'A *'}}
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@end
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// The particular case of overriding with an id return is white-listed.
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@interface Test4 {}
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- (id) test1;
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- (A*) test2;
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@end
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@implementation Test4
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- (A*) test1 { return 0; } // id -> A* is rdar://problem/8596987
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- (id) test2 { return 0; }
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@end
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// rdar://12522752
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typedef int int32_t;
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typedef long long int64_t;
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@interface NSObject @end
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@protocol CKMessage
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@property (nonatomic,readonly,assign) int64_t sequenceNumber; // expected-note {{previous definition is here}}
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@end
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@protocol CKMessage;
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@interface CKIMMessage : NSObject<CKMessage>
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@end
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@implementation CKIMMessage
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- (int32_t)sequenceNumber { // expected-warning {{conflicting return type in implementation of 'sequenceNumber': 'int64_t' (aka 'long long') vs 'int32_t' (aka 'int')}}
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return 0;
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}
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@end
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// rdar://14650159
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// Tests that property inherited indirectly from a nested protocol
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// is seen by the method implementation type matching logic before
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// method in super class is seen. This fixes the warning coming
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// out of that method mismatch.
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@interface NSObject (NSDict)
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- (void)setValue:(id)value;
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- (id)value;
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@end
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@protocol ProtocolWithValue
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@property (nonatomic) unsigned value;
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@end
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@protocol InterveningProtocol <ProtocolWithValue>
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@end
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@interface UsesProtocolWithValue : NSObject <ProtocolWithValue>
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@end
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@implementation UsesProtocolWithValue
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@synthesize value=_value;
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- (unsigned) value
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{
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return _value;
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}
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- (void) setValue:(unsigned)value
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{
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_value = value;
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}
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@end
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@interface UsesInterveningProtocol : NSObject <InterveningProtocol>
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@end
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@implementation UsesInterveningProtocol
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@synthesize value=_value;
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- (unsigned) value
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{
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return _value;
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}
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- (void) setValue:(unsigned)value
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{
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_value = value;
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}
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@end
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