diff options
Diffstat (limited to 'gcc/testsuite/obj-c++.dg/property/at-property-21.mm')
| -rw-r--r-- | gcc/testsuite/obj-c++.dg/property/at-property-21.mm | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/obj-c++.dg/property/at-property-21.mm b/gcc/testsuite/obj-c++.dg/property/at-property-21.mm new file mode 100644 index 000000000..d1f54b1cd --- /dev/null +++ b/gcc/testsuite/obj-c++.dg/property/at-property-21.mm @@ -0,0 +1,23 @@ +/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010. */ +/* { dg-do compile } */ + +#include <objc/objc.h> + +@protocol MyProtocol +- (void) message; +@end + +@interface MyRootClass +{ + Class isa; +} + +/* Test the warnings on 'assign' with protocols. */ +@property id <MyProtocol> property_a; /* { dg-warning "object property .property.a. has no .assign., .retain. or .copy. attribute" } */ + /* { dg-message ".assign. can be unsafe for Objective-C objects" "" { target *-*-* } 16 } */ + +@property MyRootClass <MyProtocol> *property_b; /* { dg-warning "object property .property.b. has no .assign., .retain. or .copy. attribute" } */ + /* { dg-message ".assign. can be unsafe for Objective-C objects" "" { target *-*-* } 19 } */ + +@property Class <MyProtocol> property_c; /* No 'assign' warning (Classes are static objects so assign semantics do not matter for them). */ +@end |