Douglas Gregor | 92e986e | 2010-04-22 16:44:27 +0000 | [diff] [blame] | 1 | // RUN: %clang -cc1 -fsyntax-only -verify %s |
| 2 | |
| 3 | // Test template instantiation of Objective-C message sends. |
| 4 | |
| 5 | @interface ClassMethods |
| 6 | + (ClassMethods *)method1:(void*)ptr; |
| 7 | @end |
| 8 | |
| 9 | template<typename T> |
| 10 | struct identity { |
| 11 | typedef T type; |
| 12 | }; |
| 13 | |
| 14 | template<typename R, typename T, typename Arg1> |
| 15 | void test_class_method(Arg1 arg1) { |
| 16 | R *result1 = [T method1:arg1]; |
| 17 | R *result2 = [typename identity<T>::type method1:arg1]; |
| 18 | R *result3 = [ClassMethods method1:arg1]; // expected-error{{cannot initialize a variable of type 'ClassMethods2 *' with an rvalue of type 'ClassMethods *'}} |
| 19 | } |
| 20 | |
| 21 | template void test_class_method<ClassMethods, ClassMethods>(void*); |
| 22 | template void test_class_method<ClassMethods, ClassMethods>(int*); |
| 23 | |
| 24 | @interface ClassMethods2 |
| 25 | + (ClassMethods2 *)method1:(int*)ptr; |
| 26 | @end |
| 27 | |
| 28 | template void test_class_method<ClassMethods2, ClassMethods2>(int*); // expected-note{{in instantiation of}} |
| 29 | |
| 30 | |
| 31 | @interface InstanceMethods |
| 32 | - (InstanceMethods *)method1:(void*)ptr; |
| 33 | @end |
| 34 | |
| 35 | template<typename R, typename T, typename Arg1> |
| 36 | void test_instance_method(Arg1 arg1) { |
| 37 | T *receiver = 0; |
| 38 | InstanceMethods *im = 0; |
| 39 | R *result1 = [receiver method1:arg1]; |
| 40 | R *result2 = [im method1:arg1]; // expected-error{{cannot initialize a variable of type 'InstanceMethods2 *' with an rvalue of type 'InstanceMethods *'}} |
| 41 | } |
| 42 | |
| 43 | template void test_instance_method<InstanceMethods, InstanceMethods>(void*); |
| 44 | template void test_instance_method<InstanceMethods, InstanceMethods>(int*); |
| 45 | |
| 46 | @interface InstanceMethods2 |
| 47 | - (InstanceMethods2 *)method1:(void*)ptr; |
| 48 | @end |
| 49 | |
| 50 | template void test_instance_method<InstanceMethods2, InstanceMethods2>(int*); // expected-note{{in instantiation of}} |