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 | |
6 | struct Type1 { int a; }; |
7 | typedef 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 |
21 | void 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. |
37 | void 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 | |
43 | id 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. |
54 | void 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 | |