John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -x objective-c++ -Wno-return-type -fms-extensions -rewrite-objc -fobjc-runtime=macosx-fragile-10.5 %s -o %t-rw.cpp |
Fariborz Jahanian | 43aa1c3 | 2012-04-16 22:14:01 +0000 | [diff] [blame] | 2 | // RUN: %clang_cc1 -fsyntax-only -Wno-address-of-temporary -D"Class=void*" -D"id=void*" -D"SEL=void*" -D"__declspec(X)=" %t-rw.cpp |
| 3 | // RUN: %clang_cc1 -x objective-c++ -Wno-return-type -fms-extensions -rewrite-objc %s -o %t-modern-rw.cpp |
| 4 | // RUN: %clang_cc1 -fsyntax-only -Wno-address-of-temporary -D"Class=void*" -D"id=void*" -D"SEL=void*" -D"__declspec(X)=" %t-modern-rw.cpp |
Fariborz Jahanian | 8891480 | 2011-09-09 20:35:22 +0000 | [diff] [blame] | 5 | |
| 6 | void *sel_registerName(const char *); |
| 7 | |
| 8 | @interface Root |
| 9 | + (instancetype)alloc; |
| 10 | - (instancetype)init; // expected-note{{overridden method is part of the 'init' method family}} |
| 11 | - (instancetype)self; |
| 12 | - (Class)class; |
| 13 | |
| 14 | @property (assign) Root *selfProp; |
| 15 | - (instancetype)selfProp; |
| 16 | @end |
| 17 | |
| 18 | @protocol Proto1 |
| 19 | @optional |
| 20 | - (instancetype)methodInProto1; |
| 21 | @end |
| 22 | |
| 23 | @protocol Proto2 |
| 24 | @optional |
| 25 | - (instancetype)methodInProto2; // expected-note{{overridden method returns an instance of its class type}} |
| 26 | - (instancetype)otherMethodInProto2; // expected-note{{overridden method returns an instance of its class type}} |
| 27 | @end |
| 28 | |
| 29 | @interface Subclass1 : Root |
| 30 | - (instancetype)initSubclass1; |
| 31 | - (void)methodOnSubclass1; |
| 32 | + (instancetype)allocSubclass1; |
| 33 | @end |
| 34 | |
| 35 | @interface Subclass2 : Root |
| 36 | - (instancetype)initSubclass2; |
| 37 | - (void)methodOnSubclass2; |
| 38 | @end |
| 39 | |
| 40 | // Sanity check: the basic initialization pattern. |
| 41 | void test_instancetype_alloc_init_simple() { |
| 42 | Root *r1 = [[Root alloc] init]; |
| 43 | Subclass1 *sc1 = [[Subclass1 alloc] init]; |
| 44 | } |
| 45 | |
| 46 | // Test that message sends to instancetype methods have the right type. |
| 47 | void test_instancetype_narrow_method_search() { |
| 48 | // instancetype on class methods |
| 49 | Subclass1 *sc1 = [[Subclass1 alloc] initSubclass2]; // expected-warning{{'Subclass1' may not respond to 'initSubclass2'}} |
| 50 | Subclass2 *sc2 = [[Subclass2 alloc] initSubclass2]; // okay |
| 51 | |
| 52 | // instancetype on instance methods |
| 53 | [[[Subclass1 alloc] init] methodOnSubclass2]; // expected-warning{{'Subclass1' may not respond to 'methodOnSubclass2'}} |
| 54 | [[[Subclass2 alloc] init] methodOnSubclass2]; |
| 55 | |
| 56 | // instancetype on class methods using protocols |
| 57 | [[Subclass1<Proto1> alloc] methodInProto2]; // expected-warning{{method '-methodInProto2' not found (return type defaults to 'id')}} |
| 58 | [[Subclass1<Proto2> alloc] methodInProto2]; |
| 59 | |
| 60 | // instancetype on instance methods |
| 61 | Subclass1<Proto1> *sc1proto1 = 0; |
| 62 | [[sc1proto1 self] methodInProto2]; // expected-warning{{method '-methodInProto2' not found (return type defaults to 'id')}} |
| 63 | Subclass1<Proto2> *sc1proto2 = 0; |
| 64 | [[sc1proto2 self] methodInProto2]; |
| 65 | |
| 66 | // Exact type checks |
| 67 | // Message sends to Class. |
Fariborz Jahanian | 3a448fb | 2011-09-10 17:01:56 +0000 | [diff] [blame] | 68 | // FIXME. This is not supported due to missing capability in rewriter and not due to instancetype issues |
| 69 | // Subclass1<Proto1> *sc1proto1_2 = [[[sc1proto1 class] alloc] init]; |
Fariborz Jahanian | 8891480 | 2011-09-09 20:35:22 +0000 | [diff] [blame] | 70 | |
| 71 | // Property access |
| 72 | [sc1proto1.self methodInProto2]; // expected-warning{{method '-methodInProto2' not found (return type defaults to 'id')}} |
| 73 | [sc1proto2.self methodInProto2]; |
| 74 | |
| 75 | [sc1proto1.selfProp methodInProto2]; // expected-warning{{method '-methodInProto2' not found (return type defaults to 'id')}} |
| 76 | [sc1proto2.selfProp methodInProto2]; |
| 77 | } |