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      1 // RUN: %clang_cc1 -fsyntax-only -verify %s
      2 // expected-no-diagnostics
      3 
      4 @interface NSObject {}
      5 
      6 @end
      7 
      8 @interface MyClass : NSObject {}
      9 
     10 @end
     11 
     12 @interface MyClass (MyCategorie)
     13 
     14 @end
     15 
     16 @interface MySubClass : MyClass {}
     17 
     18 @end
     19 
     20 @interface MySubSubClass : MySubClass {}
     21 
     22 @end
     23 
     24 @implementation NSObject (NSObjectCategory)
     25 - (void)rootMethod {}
     26 @end
     27 
     28 @implementation MyClass
     29 
     30 + (void)myClassMethod { }
     31 - (void)myMethod { }
     32 
     33 @end
     34 
     35 @implementation MyClass (MyCategorie)
     36 + (void)myClassCategoryMethod { }
     37 - (void)categoryMethod {}
     38 @end
     39 
     40 @implementation MySubClass
     41 
     42 - (void)mySubMethod {}
     43 
     44 - (void)myTest {
     45   [self mySubMethod];
     46   // should lookup method in superclass implementation if available
     47   [self myMethod];
     48   [super myMethod];
     49   
     50   [self categoryMethod];
     51   [super categoryMethod];
     52   
     53   // instance method of root class
     54   [MyClass rootMethod];
     55   
     56   [MyClass myClassMethod];
     57   [MySubClass myClassMethod];
     58   
     59   [MyClass myClassCategoryMethod];
     60   [MySubClass myClassCategoryMethod];
     61 }
     62 
     63 @end
     64