[cfe-commits] r45277 - /cfe/trunk/test/Sema/objc-comptypes-3.m
Fariborz Jahanian
fjahanian at apple.com
Thu Dec 20 16:35:35 PST 2007
Author: fjahanian
Date: Thu Dec 20 18:35:35 2007
New Revision: 45277
URL: http://llvm.org/viewvc/llvm-project?rev=45277&view=rev
Log:
Test case for my last patch.
Added:
cfe/trunk/test/Sema/objc-comptypes-3.m
Added: cfe/trunk/test/Sema/objc-comptypes-3.m
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Sema/objc-comptypes-3.m?rev=45277&view=auto
==============================================================================
--- cfe/trunk/test/Sema/objc-comptypes-3.m (added)
+++ cfe/trunk/test/Sema/objc-comptypes-3.m Thu Dec 20 18:35:35 2007
@@ -0,0 +1,62 @@
+// RUN: clang -fsyntax-only -verify %s
+extern void foo();
+#include <objc/objc.h>
+
+ at protocol MyProtocolA
+- (void) methodA;
+ at end
+
+ at protocol MyProtocolB
+- (void) methodB;
+ at end
+
+ at protocol MyProtocolAB <MyProtocolA, MyProtocolB>
+ at end
+
+ at protocol MyProtocolAC <MyProtocolA>
+- (void) methodC;
+ at end
+
+int main()
+{
+ id<MyProtocolA> obj_a = nil;
+ id<MyProtocolB> obj_b = nil;
+ id<MyProtocolAB> obj_ab = nil;
+ id<MyProtocolAC> obj_ac = nil;
+
+ obj_a = obj_b; // expected-error {{incompatible types assigning 'id<MyProtocolB>' to 'id<MyProtocolA>'}}
+ obj_a = obj_ab; /* Ok */
+ obj_a = obj_ac; /* Ok */
+
+ obj_b = obj_a; // expected-error {{incompatible types assigning 'id<MyProtocolA>' to 'id<MyProtocolB>'}}
+ obj_b = obj_ab; /* Ok */
+ obj_b = obj_ac; // expected-error {{incompatible types assigning 'id<MyProtocolAC>' to 'id<MyProtocolB>'}}
+
+ obj_ab = obj_a; // expected-error {{incompatible types assigning 'id<MyProtocolA>' to 'id<MyProtocolAB>'}}
+ obj_ab = obj_b; // expected-error {{incompatible types assigning 'id<MyProtocolB>' to 'id<MyProtocolAB>'}}
+ obj_ab = obj_ac; // expected-error {{incompatible types assigning 'id<MyProtocolAC>' to 'id<MyProtocolAB>'}}
+
+ obj_ac = obj_a; // expected-error {{incompatible types assigning 'id<MyProtocolA>' to 'id<MyProtocolAC>'}}
+ obj_ac = obj_b; // expected-error {{incompatible types assigning 'id<MyProtocolB>' to 'id<MyProtocolAC>'}}
+ obj_ac = obj_ab; // expected-error {{incompatible types assigning 'id<MyProtocolAB>' to 'id<MyProtocolAC>'}}
+
+ if (obj_a == obj_b) foo (); // expected-error {{invalid operands to binary expression ('id<MyProtocolA>' and 'id<MyProtocolB>')}}
+ if (obj_b == obj_a) foo (); // expected-error {{invalid operands to binary expression ('id<MyProtocolB>' and 'id<MyProtocolA>')}}
+
+ if (obj_a == obj_ab) foo (); /* Ok */
+ if (obj_ab == obj_a) foo (); /* Ok */
+
+ if (obj_a == obj_ac) foo (); /* Ok */
+ if (obj_ac == obj_a) foo (); /* Ok */
+
+ if (obj_b == obj_ab) foo (); /* Ok */
+ if (obj_ab == obj_b) foo (); /* Ok */
+
+ if (obj_b == obj_ac) foo (); // expected-error {{invalid operands to binary expression ('id<MyProtocolB>' and 'id<MyProtocolAC>')}}
+ if (obj_ac == obj_b) foo (); // expected-error {{invalid operands to binary expression ('id<MyProtocolAC>' and 'id<MyProtocolB>')}}
+
+ if (obj_ab == obj_ac) foo (); // expected-error {{invalid operands to binary expression ('id<MyProtocolAB>' and 'id<MyProtocolAC>')}}
+ if (obj_ac == obj_ab) foo (); // expected-error {{invalid operands to binary expression ('id<MyProtocolAC>' and 'id<MyProtocolAB>')}}
+
+ return 0;
+}
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