diff options
Diffstat (limited to 'test/ARCMT/nonobjc-to-objc-cast-2.m')
| -rw-r--r-- | test/ARCMT/nonobjc-to-objc-cast-2.m | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/test/ARCMT/nonobjc-to-objc-cast-2.m b/test/ARCMT/nonobjc-to-objc-cast-2.m index 46ef02400e8c..5dba61f023fd 100644 --- a/test/ARCMT/nonobjc-to-objc-cast-2.m +++ b/test/ARCMT/nonobjc-to-objc-cast-2.m @@ -1,9 +1,13 @@ -// RUN: %clang_cc1 -arcmt-check -verify -triple x86_64-apple-darwin10 -fobjc-nonfragile-abi %s +// RUN: %clang_cc1 -arcmt-check -verify -triple x86_64-apple-darwin10 %s -typedef int BOOL; -typedef const struct __CFString * CFStringRef; +#include "Common.h" + +@interface NSString : NSObject +-(id)string; +-(id)newString; +@end -@class NSString; +typedef const struct __CFString * CFStringRef; void f(BOOL b) { CFStringRef cfstr; @@ -12,3 +16,16 @@ void f(BOOL b) { // expected-note{{use __bridge_transfer to transfer ownership of a +1 'CFStringRef' (aka 'const struct __CFString *') into ARC}} void *vp = str; // expected-error {{disallowed}} } + +void f2(NSString *s) { + CFStringRef ref; + ref = [(CFStringRef)[s string] retain]; // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef' (aka 'const struct __CFString *') requires a bridged cast}} \ + // expected-error {{ bad receiver type 'CFStringRef' (aka 'const struct __CFString *')}} \ + // expected-note{{use __bridge to convert directly (no change in ownership)}} \ + // expected-note{{use __bridge_retained to make an ARC object available as a +1 'CFStringRef' (aka 'const struct __CFString *')}} +} + +CFStringRef f3() { + return (CFStringRef)[[[NSString alloc] init] autorelease]; // expected-error {{it is not safe to cast to 'CFStringRef' the result of 'autorelease' message; a __bridge cast may result in a pointer to a destroyed object and a __bridge_retained may leak the object}} \ + // expected-note {{remove the cast and change return type of function to 'NSString *' to have the object automatically autoreleased}} +} |