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author | Ben Cheng <bccheng@google.com> | 2013-03-28 11:14:20 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2013-03-28 12:40:33 -0700 |
commit | af0c51ac87ab2a87caa03fa108f0d164987a2764 (patch) | |
tree | 4b8b470f7c5b69642fdab8d0aa1fbc148d02196b /gcc-4.8/gcc/testsuite/objc.dg/protocol-inheritance-1.m | |
parent | d87cae247d39ebf4f5a6bf25c932a14d2fdb9384 (diff) | |
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[GCC 4.8] Initial check-in of GCC 4.8.0
Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771
Diffstat (limited to 'gcc-4.8/gcc/testsuite/objc.dg/protocol-inheritance-1.m')
-rw-r--r-- | gcc-4.8/gcc/testsuite/objc.dg/protocol-inheritance-1.m | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/objc.dg/protocol-inheritance-1.m b/gcc-4.8/gcc/testsuite/objc.dg/protocol-inheritance-1.m new file mode 100644 index 000000000..6c23a4663 --- /dev/null +++ b/gcc-4.8/gcc/testsuite/objc.dg/protocol-inheritance-1.m @@ -0,0 +1,54 @@ +/* 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 } */ |