[ObjC] Don't warn on readwrite properties with custom setters that

override readonly properties from protocols

rdar://34192541

llvm-svn: 315093

1 files changed, 21 insertions, 0 deletions

diff --git a/clang/test/SemaObjC/property-implement-readonly-with-custom-setter.m b/clang/test/SemaObjC/property-implement-readonly-with-custom-setter.m
new file mode 100644
index 00000000000..7ac13807675
--- /dev/null
+++ b/clang/test/SemaObjC/property-implement-readonly-with-custom-setter.m
@@ -0,0 +1,21 @@
+// RUN: %clang_cc1  -fsyntax-only -verify -Wno-objc-root-class %s
+// rdar://34192541
+
+@class NSString;
+
+@protocol MyProtocol
+@property (nonatomic, strong, readonly) NSString *myString;
+@end
+
+@interface MyClass <MyProtocol>
+// Don't warn about this setter:
+@property (nonatomic, strong, setter=setMYString:) NSString *myString;
+
+
+@property (nonatomic, strong, readonly) NSString *overridenInClass; // expected-note {{property declared here}}
+@end
+
+@interface MySubClass: MyClass
+@property (nonatomic, strong, setter=setMYOverride:) NSString *overridenInClass;
+// expected-warning@-1 {{'setter' attribute on property 'overridenInClass' does not match the property inherited from 'MyClass'}}
+@end