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Diffstat (limited to 'test/SemaObjC/protocol-typecheck.m')
| -rw-r--r-- | test/SemaObjC/protocol-typecheck.m | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/SemaObjC/protocol-typecheck.m b/test/SemaObjC/protocol-typecheck.m new file mode 100644 index 0000000..de66ded --- /dev/null +++ b/test/SemaObjC/protocol-typecheck.m @@ -0,0 +1,25 @@ +// RUN: clang-cc -fsyntax-only -verify %s + +@interface NSObject @end +@protocol XCElementP @end +@protocol XCElementSpacerP <XCElementP> @end + +@protocol PWhatever @end + +@interface XX + +- (void)setFlexElement:(NSObject <PWhatever, XCElementP> *)flexer; +- (void)setFlexElement2:(NSObject <PWhatever, XCElementSpacerP> *)flexer; + +@end + +void func() { + NSObject <PWhatever, XCElementSpacerP> * flexer; + NSObject <PWhatever, XCElementP> * flexer2; + XX *obj; + [obj setFlexElement:flexer]; + // FIXME: GCC provides the following diagnostic (which is much better): + // protocol-typecheck.m:21: warning: class 'NSObject <PWhatever, XCElementP>' does not implement the 'XCElementSpacerP' protocol + [obj setFlexElement2:flexer2]; // expected-warning{{incompatible pointer types sending 'NSObject<PWhatever,XCElementP> *', expected 'NSObject<PWhatever,XCElementSpacerP> *'}} +} + |
