1/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010.  */
2/* { dg-do compile } */
3
4#include <objc/objc.h>
5
6/* Test standard warnings when a class conforms to a protocol but some
7   methods are implemented in the superclass.  Use -Wno-protocol to
8   turn these off.  */
9
10@protocol MyProtocol
11- (int)method;
12@end
13
14@protocol MyProtocol2
15- (int)method2;
16@end
17
18/* The superclass implements the method required by the protocol.  */
19@interface MyRootClass
20{
21  Class isa;
22}
23- (int)method;
24@end
25
26@implementation MyRootClass
27- (int)method
28{
29  return 23;
30}
31@end
32
33/* The subclass inherits the method (does not implement it directly)
34   and unless -Wno-protocol is used, we emit a warning.  */
35@interface MySubClass : MyRootClass <MyProtocol>
36@end
37
38@implementation MySubClass
39@end
40/* { dg-warning "incomplete implementation of class .MySubClass." "" { target *-*-* } .-1 } */
41/* { dg-warning "method definition for .\\-method. not found" "" { target *-*-* } .-2 } */
42/* { dg-warning "class .MySubClass. does not fully implement the .MyProtocol. protocol" "" { target *-*-* } .-3 } */
43
44
45/* The subclass instead does not inherit the method method2 (and does
46   not implement it directly) so it does not conform to the
47   protocol MyProtocol2.  */
48@interface MySubClass2 : MyRootClass <MyProtocol2>
49@end
50
51@implementation MySubClass2
52@end /* Warnings here, below.  */
53/* { dg-warning "incomplete implementation of class .MySubClass2." "" { target *-*-* } .-1 } */
54/* { dg-warning "method definition for .\\-method2. not found" "" { target *-*-* } .-2 } */
55/* { dg-warning "class .MySubClass2. does not fully implement the .MyProtocol2. protocol" "" { target *-*-* } .-3 } */
56