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1// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -verify %s -fobjc-arc
2//
3// These tests exist as a means to help ensure that diagnostics aren't printed
4// in overload resolution in ObjC.
5
6struct Type1 { int a; };
7typedef const __attribute__((objc_bridge(id))) void * CFTypeRef;
8@interface Iface1 @end
9
10@interface NeverCalled
11- (void) test:(struct Type1 *)arg;
12- (void) test2:(CFTypeRef)arg;
13@end
14
15@interface TakesIface1
16- (void) test:(Iface1 *)arg;
17- (void) test2:(Iface1 *)arg;
18@end
19
20// PR26085, rdar://problem/24111333
21void testTakesIface1(id x, Iface1 *arg) {
22  // This should resolve silently to `TakesIface1`.
23  [x test:arg];
24  [x test2:arg];
25}
26
27@class NSString;
28@interface NeverCalledv2
29- (void) testStr:(NSString *)arg;
30@end
31
32@interface TakesVanillaConstChar
33- (void) testStr:(const void *)a;
34@end
35
36// Not called out explicitly by PR26085, but related.
37void testTakesNSString(id x) {
38  // Overload resolution should not emit a diagnostic about needing to add an
39  // '@' before "someStringLiteral".
40  [x testStr:"someStringLiteral"];
41}
42
43id CreateSomething();
44
45@interface TakesCFTypeRef
46- (void) testCFTypeRef:(CFTypeRef)arg;
47@end
48
49@interface NeverCalledv3
50- (void) testCFTypeRef:(struct Type1 *)arg;
51@end
52
53// Not called out explicitly by PR26085, but related.
54void testTakesCFTypeRef(id x) {
55  // Overload resolution should occur silently, select the CFTypeRef overload,
56  // and produce a single complaint. (with notes)
57  [x testCFTypeRef:CreateSomething()]; // expected-error{{implicit conversion of Objective-C pointer type 'id' to C pointer type 'CFTypeRef'}} expected-note{{use __bridge}} expected-note{{use __bridge_retained}}
58}
59