1 files changed, 68 insertions, 0 deletions
diff --git a/test/SemaObjCXX/arc-objc-lifetime.mm b/test/SemaObjCXX/arc-objc-lifetime.mm
new file mode 100644
index 0000000000000..1e4df741422ae
--- /dev/null
+++ b/test/SemaObjCXX/arc-objc-lifetime.mm
@@ -0,0 +1,68 @@
+// RUN: %clang_cc1 -x objective-c++ -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -Wexplicit-ownership-type -verify -Wno-objc-root-class %s
+// rdar://10244607
+
+typedef const struct __CFString * CFStringRef;
+@class NSString;
+
+NSString *CFBridgingRelease();
+
+typedef NSString * PNSString;
+
+typedef __autoreleasing NSString * AUTORELEASEPNSString;
+
+@interface I @end
+
+@implementation I
+- (CFStringRef)myString
+{
+    CFStringRef myString =
+      (__bridge CFStringRef) (__strong NSString *)CFBridgingRelease(); // expected-error {{explicit ownership qualifier on cast result has no effect}}
+
+    myString =
+      (__bridge CFStringRef) (__autoreleasing PNSString) CFBridgingRelease(); // expected-error {{explicit ownership qualifier on cast result has no effect}}
+    myString =
+      (__bridge CFStringRef) (AUTORELEASEPNSString) CFBridgingRelease(); // OK
+    myString =
+      (__bridge CFStringRef) (typeof(__strong NSString *)) CFBridgingRelease(); // expected-error {{explicit ownership qualifier on cast result has no effect}}
+    return myString;
+}
+
+- (void)decodeValueOfObjCType:(const char *)type at:(void *)addr {
+        __autoreleasing id *stuff = (__autoreleasing id *)addr;
+}
+@end
+
+// rdar://problem/10711456
+__strong I *__strong test1; // expected-error {{the type 'I *__strong' is already explicitly ownership-qualified}}
+__strong I *(__strong test2); // expected-error {{the type 'I *__strong' is already explicitly ownership-qualified}}
+__strong I *(__strong (test3)); // expected-error {{the type 'I *__strong' is already explicitly ownership-qualified}}
+__unsafe_unretained __typeof__(test3) test4;
+typedef __strong I *strong_I;
+__unsafe_unretained strong_I test5;
+
+// rdar://10907090
+typedef void (^T) ();
+@interface NSObject @end
+@protocol P;
+@interface Radar10907090 @end
+
+@implementation Radar10907090
+- (void) MMM : (NSObject*) arg0 : (NSObject<P>*&)arg : (id) arg1 : (id<P>&) arg2 {} // expected-warning {{method parameter of type 'NSObject<P> *__autoreleasing &' with no explicit ownership}} \
+					// expected-warning {{method parameter of type '__autoreleasing id<P> &' with no explicit ownership}}
+- (void) MM : (NSObject*) arg0 : (__strong NSObject**)arg : (id) arg1 : (__strong id*) arg2 {}
+- (void) M : (NSObject**)arg0 : (id*)arg {} // expected-warning {{method parameter of type 'NSObject *__autoreleasing *' with no explicit ownership}} \
+                                            // expected-warning {{method parameter of type '__autoreleasing id *' with no explicit ownership}}
+- (void) N : (__strong NSObject***) arg0 : (__strong NSObject<P>***)arg : (float**) arg1 : (double) arg2 {} 
+- (void) BLOCK : (T&) arg0 : (T)arg  : (__strong T*) arg1 {} // expected-warning {{method parameter of type '__autoreleasing T &' (aka 'void (^__autoreleasing &)()') with no explicit ownership}}
+@end
+
+// rdar://12280826
+@class NSMutableDictionary, NSError;
+@interface Radar12280826
+- (void)createInferiorTransportAndSetEnvironment:(NSMutableDictionary*)environment error:(__autoreleasing NSError*&)error;
+@end
+
+@implementation Radar12280826
+- (void)createInferiorTransportAndSetEnvironment:(NSMutableDictionary*)environment error:(__autoreleasing NSError*&)error {}
+@end
+