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-rw-r--r--clang/test/SemaObjC/protocols.m67
1 files changed, 67 insertions, 0 deletions
diff --git a/clang/test/SemaObjC/protocols.m b/clang/test/SemaObjC/protocols.m
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+++ b/clang/test/SemaObjC/protocols.m
@@ -0,0 +1,67 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+@interface INTF1
+@required // expected-error {{directive may only be specified in protocols only}}
+- (int) FooBar;
+- (int) FooBar1;
+- (int) FooBar2;
+@optional // expected-error {{directive may only be specified in protocols only}}
++ (int) C;
+
+- (int)I;
+@end
+
+@protocol p1,p2,p3;
+
+@protocol p1;
+
+@protocol PROTO1
+@required
+- (int) FooBar;
+@optional
+- (void) MyMethod1;
++ (int) S;
+@end
+
+
+@protocol PROTO2<p1>
+@end
+
+@protocol p1 @end
+
+@protocol PROTO<p1> // expected-note {{previous definition is here}}
+@end
+
+@protocol PROTO<p1> // expected-warning {{duplicate protocol definition of 'PROTO'}}
+@end
+
+@protocol PROTO3<p1, p1>
+@end
+
+@protocol p2 <p1>
+@end
+
+@protocol PROTO4 <p1, p2, PROTO, PROTO3, p3>
+@end
+
+
+// rdar://6771034
+@protocol XX;
+@protocol YY <XX> // Use of declaration of XX here should not cause a warning.
+- zz;
+@end
+
+
+// Detect circular dependencies.
+@protocol B;
+@protocol C < B > // expected-note{{previous definition is here}}
+@end
+@protocol A < C >
+@end
+@protocol B < A > // expected-error{{protocol has circular dependency}}
+@end
+
+@protocol P
+- (int)test:(int)param, ..; // expected-warning{{type specifier missing}} \
+ // expected-error{{expected ';' after method prototype}}
+@end