llvm-for-llvmta/tools/clang/test/ARCMT/no-canceling-bridge-to-brid...

43 lines
1.8 KiB
Objective-C

// RUN: %clang_cc1 -arcmt-action=check -triple x86_64-apple-darwin10 -fsyntax-only -x objective-c -verify %s
// rdar://10387088
typedef const void * CFTypeRef;
CFTypeRef CFBridgingRetain(id X);
id CFBridgingRelease(CFTypeRef);
extern
CFTypeRef CFRetain(CFTypeRef cf);
@interface INTF
{
void *cf_format;
id objc_format;
}
@end
@interface NSString
+ (id)stringWithFormat:(NSString *)format;
@end
@implementation INTF
- (void) Meth {
NSString *result;
result = (id) CFRetain([NSString stringWithFormat:@"PBXLoopMode"]); // expected-error {{cast of C pointer type 'CFTypeRef' (aka 'const void *') to Objective-C pointer type 'id' requires a bridged cast}} \
// expected-note {{use __bridge to convert directly (no change in ownership)}} \
// expected-note {{use CFBridgingRelease call to transfer ownership of a +1 'CFTypeRef' (aka 'const void *') into ARC}}
result = (id) CFRetain((id)((objc_format))); // expected-error {{cast of C pointer type 'CFTypeRef' (aka 'const void *') to Objective-C pointer type 'id' requires a bridged cast}} \
// expected-note {{use __bridge to convert directly (no change in ownership)}} \
// expected-note {{use CFBridgingRelease call to transfer ownership of a +1 'CFTypeRef' (aka 'const void *') into ARC}}
result = (id) CFRetain((id)((cf_format))); // expected-error {{cast of C pointer type 'CFTypeRef' (aka 'const void *') to Objective-C pointer type 'id' requires a bridged cast}} \
// expected-note {{use __bridge to convert directly (no change in ownership)}} \
// expected-note {{use CFBridgingRelease call to transfer ownership of a +1 'CFTypeRef' (aka 'const void *') into ARC}}
result = (id) CFRetain((CFTypeRef)((objc_format)));
result = (id) CFRetain(cf_format); // OK
}
@end