| // RUN: %clang_cc1 -fsyntax-only -verify %s | 
 |  | 
 | #if !__has_feature(attribute_availability) | 
 | #  error 'availability' attribute is not available | 
 | #endif | 
 |  | 
 | void f0() __attribute__((availability(macosx,introduced=10.2,deprecated=10.4,obsoleted=10.6))); | 
 |  | 
 | void f1() __attribute__((availability(macosx,deprecated=10.4,introduced=10.2,obsoleted=10.6))); | 
 |  | 
 | void f2() __attribute__((availability(ios,deprecated=10.4.7,introduced=10,obsoleted=10.6))); | 
 |  | 
 | void f3() __attribute__((availability(ios,deprecated=10.4.7,introduced=10,obsoleted=10.6,introduced=10.2))); // expected-error{{redundant 'introduced' availability change; only the last specified change will be used}} | 
 |  | 
 | void f4() __attribute__((availability(macosx,introduced=10.5), availability(ios,unavailable))); | 
 |  | 
 | void f5() __attribute__((availability(macosx,introduced=10.5), availability(ios,unavailable, unavailable))); // expected-error{{redundant 'unavailable' availability change; only the last specified change will be used}} | 
 |  | 
 | void f6() __attribute__((availability(macosx,unavailable,introduced=10.5))); // expected-warning{{'unavailable' availability overrides all other availability information}} | 
 |  | 
 | void f7() __attribute__((availability(macosx,message=L"wide"))); // expected-error {{expected string literal for optional message in 'availability' attribute}} | 
 |  | 
 | void f8() __attribute__((availability(macosx,message="a" L"b"))); // expected-error {{expected string literal for optional message in 'availability' attribute}} | 
 |  | 
 | // rdar://10095131 | 
 | enum E{ | 
 |     gorf __attribute__((availability(macosx,introduced=8.5, message = 10.0))), // expected-error {{expected string literal for optional message in 'availability' attribute}} | 
 |     garf __attribute__((availability(macosx,introduced=8.5, message))), // expected-error {{expected '=' after 'message'}} | 
 |  | 
 |     foo __attribute__((availability(macosx,introduced=8.5,deprecated=9.0, message="Use CTFontCopyPostScriptName()", deprecated=10.0))) // expected-error {{expected ')'}} \ | 
 |                                                                                                                                        // expected-note {{to match this '('}} | 
 | }; |