blob: 6c23a4663df8e8c4db3d6f39293f01a844a4cb89 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010. */
/* { dg-do compile } */
/* { dg-options "-Wno-protocol" } */
#include <objc/objc.h>
/* Test the -Wno-protocol flag. With this, at a class is accepted
(with no warnings) as conforming to a protocol even if some
protocol methods are implemented in the superclass. */
@protocol MyProtocol
- (int)method;
@end
@protocol MyProtocol2
- (int)method2;
@end
/* The superclass implements the method required by the protocol. */
@interface MyRootClass
{
Class isa;
}
- (int)method;
@end
@implementation MyRootClass
- (int)method
{
return 23;
}
@end
/* The subclass inherits the method (does not implement it directly)
but that still makes it conform to the protocol. No warnings. */
@interface MySubClass : MyRootClass <MyProtocol>
@end
@implementation MySubClass
@end /* No warnings here. */
/* The subclass instead does not inherit the method method2 (and does
not implement it directly) so it does not conform to the
protocol MyProtocol2. */
@interface MySubClass2 : MyRootClass <MyProtocol2>
@end
@implementation MySubClass2
@end /* Warnings here, below. */
/* { dg-warning "incomplete implementation of class .MySubClass2." "" { target *-*-* } 50 } */
/* { dg-warning "method definition for .\\-method2. not found" "" { target *-*-* } 50 } */
/* { dg-warning "class .MySubClass2. does not fully implement the .MyProtocol2. protocol" "" { target *-*-* } 50 } */
|
