1 files changed, 75 insertions, 0 deletions
diff --git a/test/SemaObjC/compatible-protocol-qualified-types.m b/test/SemaObjC/compatible-protocol-qualified-types.m
new file mode 100644
index 0000000..3c27b5f
--- /dev/null
+++ b/test/SemaObjC/compatible-protocol-qualified-types.m
@@ -0,0 +1,75 @@
+// RUN: clang-cc -pedantic -fsyntax-only -verify %s
+typedef signed char BOOL;
+
+@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
+
+@protocol NSObject
+- (BOOL)isEqual:(id)object;
+@end
+
+@protocol NSCoding
+- (void)encodeWithCoder:(NSCoder *)aCoder;
+@end
+
+@interface NSObject <NSObject> {}
+@end
+
+typedef float CGFloat;
+
+@interface NSResponder : NSObject <NSCoding> {}
+@end
+
+@protocol XCSelectionSource;
+
+@interface XCSelection : NSResponder {}
+- (NSObject <XCSelectionSource> *) source;
+@end
+
+extern NSString * const XCActiveSelectionLevel;
+
+@interface XCActionManager : NSResponder {}
++defaultActionManager;
+-selectionAtLevel:(NSString *const)s;
+@end
+
+@implementation XDMenuItemsManager // expected-warning {{cannot find interface declaration for 'XDMenuItemsManager'}}
++ (void)initialize {
+  id<XCSelectionSource, NSObject> source = 
+    [[[XCActionManager defaultActionManager] selectionAtLevel:XCActiveSelectionLevel] source];
+}
+@end
+
+@protocol NSTextStorageDelegate;
+@class NSNotification;
+
+@interface NSTextStorage : NSObject
+
+- (void)setDelegate:(id <NSTextStorageDelegate>)delegate;
+- (id <NSTextStorageDelegate>)delegate;
+
+@end
+
+@protocol NSTextStorageDelegate <NSObject>
+@optional
+
+- (void)textStorageWillProcessEditing:(NSNotification *)notification;
+- (void)textStorageDidProcessEditing:(NSNotification *)notification;
+
+@end
+
+@interface SKTText : NSObject {
+    @private
+
+
+    NSTextStorage *_contents;
+}
+@end
+
+@implementation SKTText
+
+
+- (NSTextStorage *)contents {
+ [_contents setDelegate:self]; // expected-warning {{incompatible type sending 'SKTText *', expected 'id<NSTextStorageDelegate>'}}
+}
+
+@end