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1// RUN: %clang_cc1 -fsyntax-only -verify %s
2
3typedef struct { int y; } Abstract;
4
5typedef struct { int x; } Alternate;
6
7#define INTERFERE_TYPE Alternate*
8
9@protocol A
10@property Abstract *x; // expected-note {{using}}
11@end
12
13@interface B
14@property Abstract *y; // expected-note {{using}}
15@end
16
17@interface B (Category)
18@property Abstract *z; // expected-note {{using}}
19@end
20
21@interface InterferencePre
22-(void) x; // expected-note {{also found}}
23-(void) y; // expected-note {{also found}}
24-(void) z; // expected-note {{also found}}
25-(void) setX: (INTERFERE_TYPE) arg;
26-(void) setY: (INTERFERE_TYPE) arg;
27-(void) setZ: (INTERFERE_TYPE) arg;
28@end
29
30void f0(id a0) {
31  Abstract *l = [a0 x]; // expected-warning {{multiple methods named 'x' found}}
32}
33
34void f1(id a0) {
35  Abstract *l = [a0 y]; // expected-warning {{multiple methods named 'y' found}}
36}
37
38void f2(id a0) {
39  Abstract *l = [a0 z]; // expected-warning {{multiple methods named 'z' found}}
40}
41
42void f3(id a0, Abstract *a1) {
43  [ a0 setX: a1];
44}
45
46void f4(id a0, Abstract *a1) {
47  [ a0 setY: a1];
48}
49
50void f5(id a0, Abstract *a1) {
51  [ a0 setZ: a1];
52}
53
54// pr7861
55void f6(id<A> a0) {
56  Abstract *l = [a0 x];
57}
58
59struct test3a { int x, y; };
60struct test3b { unsigned x, y; };
61@interface Test3A - (struct test3a) test3; @end
62@interface Test3B - (struct test3b) test3; @end
63void test3(id x) {
64  (void) [x test3];
65}
66
67struct test4a { int x, y; };
68struct test4b { float x, y; };
69@interface Test4A - (struct test4a) test4; @end //expected-note{{using}}
70@interface Test4B - (struct test4b) test4; @end //expected-note{{also found}}
71void test4(id x) {
72  (void) [x test4]; //expected-warning {{multiple methods named 'test4' found}}
73}
74
75// rdar://19265296
76#pragma clang diagnostic ignored "-Wobjc-multiple-method-names"
77@interface NSObject
78+ (id)alloc;
79+ (id)class;
80- (id) init;
81@end
82
83@class NSString;
84@interface A : NSObject
85- (instancetype)initWithType:(NSString *)whatever;
86@end
87
88@interface Test : NSObject @end
89
90@implementation Test
91+ (instancetype)foo
92{
93    return [[[self class] alloc] initWithType:3];
94}
95- (instancetype)initWithType:(int)whatever
96{
97    return [super init];
98}
99@end
100