1 files changed, 66 insertions, 0 deletions
diff --git a/test/SemaObjC/objcbridge-attribute.m b/test/SemaObjC/objcbridge-attribute.m
new file mode 100644
index 000000000000..2db2ff4929e8
--- /dev/null
+++ b/test/SemaObjC/objcbridge-attribute.m
@@ -0,0 +1,66 @@
+// RUN: %clang_cc1 -fsyntax-only -fobjc-arc -verify -Wno-objc-root-class %s
+// rdar://15454846
+
+typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 2 {{declared here}}
+
+typedef struct __attribute__((objc_bridge(12))) __CFMyColor  *CFMyColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be a single name of an Objective-C class}}
+
+typedef struct __attribute__ ((objc_bridge)) __CFArray *CFArrayRef; // expected-error {{parameter of 'objc_bridge' attribute must be a single name of an Objective-C class}}
+
+typedef void *  __attribute__ ((objc_bridge(NSURL))) CFURLRef;  // expected-error {{'objc_bridge' attribute only applies to struct or union}}
+
+typedef void * CFStringRef __attribute__ ((objc_bridge(NSString))); // expected-error {{'objc_bridge' attribute only applies to struct or union}}
+
+typedef struct __attribute__((objc_bridge(NSLocale, NSError))) __CFLocale *CFLocaleRef;// expected-error {{use of undeclared identifier 'NSError'}}
+
+typedef struct __CFData __attribute__((objc_bridge(NSData))) CFDataRef; // expected-error {{'objc_bridge' attribute only applies to struct or union}}
+
+typedef struct __attribute__((objc_bridge(NSDictionary))) __CFDictionary * CFDictionaryRef;
+
+typedef struct __CFSetRef * CFSetRef __attribute__((objc_bridge(NSSet))); // expected-error {{'objc_bridge' attribute only applies to struct or union}};
+
+typedef union __CFUColor __attribute__((objc_bridge(NSUColor))) * CFUColorRef; // expected-error {{'objc_bridge' attribute only applies to struct or union}};
+
+typedef union __CFUColor __attribute__((objc_bridge(NSUColor))) *CFUColor1Ref; // expected-error {{'objc_bridge' attribute only applies to struct or union}};
+
+typedef union __attribute__((objc_bridge(NSUColor))) __CFUPrimeColor XXX;
+typedef XXX *CFUColor2Ref;
+
+@interface I
+{
+   __attribute__((objc_bridge(NSError))) void * color; // expected-error {{'objc_bridge' attribute only applies to struct or union}};
+}
+@end
+
+@protocol NSTesting @end
+@class NSString;
+
+typedef struct __attribute__((objc_bridge(NSTesting))) __CFError *CFTestingRef; // expected-note {{declared here}}
+
+id Test1(CFTestingRef cf) {
+  return (NSString *)cf; // expected-error {{CF object of type 'CFTestingRef' (aka 'struct __CFError *') is bridged to 'NSTesting', which is not an Objective-C class}}
+}
+
+typedef CFErrorRef CFErrorRef1;
+
+typedef CFErrorRef1 CFErrorRef2;
+
+@interface NSError @end
+
+@interface MyError : NSError
+@end
+
+@interface NSUColor @end
+
+@class NSString;
+
+void Test2(CFErrorRef2 cf, NSError *ns, NSString *str, Class c, CFUColor2Ref cf2) {
+  (void)(NSString *)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'NSString'}}
+  (void)(NSError *)cf; // okay
+  (void)(MyError*)cf; // okay,
+  (void)(NSUColor *)cf2; // okay
+  (void)(CFErrorRef)ns; // okay
+  (void)(CFErrorRef)str;  // expected-warning {{'NSString' cannot bridge to 'CFErrorRef' (aka 'struct __CFErrorRef *')}}
+  (void)(Class)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'Class'}}
+  (void)(CFErrorRef)c; // expected-warning {{'Class' cannot bridge to 'CFErrorRef'}}
+}