diff options
Diffstat (limited to 'test/SemaObjC/method-sentinel-attr.m')
| -rw-r--r-- | test/SemaObjC/method-sentinel-attr.m | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/SemaObjC/method-sentinel-attr.m b/test/SemaObjC/method-sentinel-attr.m new file mode 100644 index 0000000..8f31e9a --- /dev/null +++ b/test/SemaObjC/method-sentinel-attr.m @@ -0,0 +1,37 @@ +// RUN: clang-cc -fsyntax-only -verify %s + +#define NULL (void*)0 + +#define ATTR __attribute__ ((__sentinel__)) + +@interface INTF +- (void) foo1 : (int)x, ... ATTR; // expected-note {{method has been explicitly marked sentinel here}} +- (void) foo3 : (int)x __attribute__ ((__sentinel__)) ; // expected-warning {{'sentinel' attribute only supported for variadic functions}} +- (void) foo5 : (int)x, ... __attribute__ ((__sentinel__(1))); // expected-note {{method has been explicitly marked sentinel here}} +- (void) foo6 : (int)x, ... __attribute__ ((__sentinel__(5))); // expected-note {{method has been explicitly marked sentinel here}} +- (void) foo7 : (int)x, ... __attribute__ ((__sentinel__(0))); // expected-note {{method has been explicitly marked sentinel here}} +- (void) foo8 : (int)x, ... __attribute__ ((__sentinel__("a"))); // expected-error {{'sentinel' attribute requires parameter 1 to be an integer constant}} +- (void) foo9 : (int)x, ... __attribute__ ((__sentinel__(-1))); // expected-error {{'sentinel' parameter 1 less than zero}} +- (void) foo10 : (int)x, ... __attribute__ ((__sentinel__(1,1))); +- (void) foo11 : (int)x, ... __attribute__ ((__sentinel__(1,1,3))); // expected-error {{attribute requires 0, 1 or 2 argument(s)}} +- (void) foo12 : (int)x, ... ATTR; // expected-note {{method has been explicitly marked sentinel here}} +@end + +int main () +{ + INTF *p; + + [p foo1:1, NULL]; // OK + [p foo1:1, 0]; // expected-warning {{missing sentinel in method dispatch}} + [p foo5:1, NULL, 2]; // OK + [p foo5:1, 2, NULL, 1]; // OK + [p foo5:1, NULL, 2, 1]; // expected-warning {{missing sentinel in method dispatch}} + + [p foo6:1,2,3,4,5,6,7]; // expected-warning {{missing sentinel in method dispatch}} + [p foo6:1,NULL,3,4,5,6,7]; // OK + [p foo7:1]; // expected-warning {{not enough variable arguments in 'foo7:' declaration to fit a sentinel}} + [p foo7:1, NULL]; // ok + + [p foo12:1]; // expected-warning {{not enough variable arguments in 'foo12:' declaration to fit a sentinel}} +} + |
