diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/obj-c++.dg/method-conflict-1.mm')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/obj-c++.dg/method-conflict-1.mm | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/obj-c++.dg/method-conflict-1.mm b/gcc-4.9/gcc/testsuite/obj-c++.dg/method-conflict-1.mm new file mode 100644 index 000000000..2cc96e4fd --- /dev/null +++ b/gcc-4.9/gcc/testsuite/obj-c++.dg/method-conflict-1.mm @@ -0,0 +1,26 @@ +/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, December 2010. */ +/* { dg-do compile } */ + +#include <objc/objc.h> + +/* Test that you can not declare two methods, in the same protocol, + with the same name but conflicting method signatures. */ + +@protocol MyProtocol ++ (int) method1: (int)x; /* { dg-message "previous declaration" } */ ++ (float) method1: (int)x; /* { dg-error "duplicate declaration of method .\\+method1." } */ + +- (int) method2: (int)x; /* { dg-message "previous declaration" } */ +- (int) method2: (float)x; /* { dg-error "duplicate declaration of method .\\-method2." } */ + +@optional ++ (int *) method3: (int)x; /* { dg-message "previous declaration" } */ ++ (int *) method3: (int **)x; /* { dg-error "duplicate declaration of method .\\+method3." } */ + +- (id) method4: (id)x; /* { dg-message "previous declaration" } */ +- (void) method4: (id)x; /* { dg-error "duplicate declaration of method .\\-method4." } */ +@end + +/* We don't test conflicting types between @required and @optional + methods, as that is tested in method-conflict-2. */ + |