1 files changed, 56 insertions, 0 deletions
diff --git a/clang/test/SemaObjC/category-1.m b/clang/test/SemaObjC/category-1.m
new file mode 100644
index 00000000000..15f6b166c5b
--- /dev/null
+++ b/clang/test/SemaObjC/category-1.m
@@ -0,0 +1,56 @@
+// RUN: clang -fsyntax-only -verify %s
+
+@interface MyClass1 @end
+
+@protocol p1,p2,p3;
+
+@interface MyClass1 (Category1)  <p1> // expected-warning {{cannot find protocol definition for 'p1', referenced by 'Category1'}}
+@end
+
+@interface MyClass1 (Category1)  // expected-warning {{duplicate interface declaration for category 'MyClass1(Category1)'}}
+@end
+
+@interface MyClass1 (Category3) 
+@end
+
+@interface MyClass1 (Category4) @end
+@interface MyClass1 (Category5) @end
+@interface MyClass1 (Category6) @end
+@interface MyClass1 (Category7) @end
+@interface MyClass1 (Category8) @end
+
+
+@interface MyClass1 (Category4) @end // expected-warning {{duplicate interface declaration for category 'MyClass1(Category4)'}}
+@interface MyClass1 (Category7) @end // expected-warning {{duplicate interface declaration for category 'MyClass1(Category7)'}}
+@interface MyClass1 (Category8) @end // expected-warning {{duplicate interface declaration for category 'MyClass1(Category8)'}}
+
+
+@protocol p3 @end
+
+@interface MyClass1 (Category) <p2, p3> @end  // expected-warning {{cannot find protocol definition for 'p2', referenced by 'Category'}}
+
+@interface MyClass  (Category) @end // expected-error {{cannot find interface declaration for 'MyClass'}}
+
+@class MyClass2;
+
+@interface MyClass2  (Category) @end  // expected-error {{cannot find interface declaration for 'MyClass2'}}
+
+@interface XCRemoteComputerManager
+@end
+
+@interface XCRemoteComputerManager() 
+@end 
+
+@interface XCRemoteComputerManager()
+@end
+
+@interface XCRemoteComputerManager(x) 
+@end 
+
+@interface XCRemoteComputerManager(x) // expected-warning {{duplicate interface declaration for category 'XCRemoteComputerManager(x)'}}
+@end
+
+@implementation XCRemoteComputerManager
+@end
+
+