instantiate-message.mm source code [clang_source_code/test/SemaObjCXX/instantiate-message.mm]

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}}
51

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