Merge branch 'master' of ssh://bitbucket.org/czan/honours

1 files changed, 46 insertions, 0 deletions

diff --git a/clang/test/SemaObjC/class-method-lookup.m b/clang/test/SemaObjC/class-method-lookup.m
new file mode 100644
index 0000000..8c8c216
--- /dev/null
+++ b/clang/test/SemaObjC/class-method-lookup.m
@@ -0,0 +1,46 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+@interface MyBase 
+- (void) rootInstanceMethod;
+@end
+
+@interface MyIntermediate: MyBase
+@end
+
+@interface MyDerived: MyIntermediate
+- (void) instanceMethod;
++ (void) classMethod;
+@end
+
+@implementation MyDerived
+- (void) instanceMethod {
+}
+
++ (void) classMethod {                    /* If a class method is not found, the root  */
+    [self rootInstanceMethod];            /* class is searched for an instance method  */
+    [MyIntermediate rootInstanceMethod];  /* with the same name.                       */
+
+    [self instanceMethod];// expected-warning {{'+instanceMethod' not found (return type defaults to 'id')}}
+    [MyDerived instanceMethod];// expected-warning {{'+instanceMethod' not found (return type defaults to 'id')}}
+}
+@end
+
+@interface Object @end
+
+@interface Class1
+- (void)setWindow:(Object *)wdw;
+@end
+
+@interface Class2
+- (void)setWindow:(Class1 *)window;
+@end
+
+#define nil (void*)0
+
+id foo(void) {
+  Object *obj;
+  id obj2 = obj;
+  [obj setWindow:nil]; // expected-warning {{'Object' may not respond to 'setWindow:'}}
+
+  return obj;
+}