15a28e1d9SErik Pilkington// RUN: %clang_cc1 -verify -fsyntax-only -fblocks %s 25a28e1d9SErik Pilkington// RUN: %clang_cc1 -xobjective-c++ -verify -fsyntax-only -fblocks %s 35a28e1d9SErik Pilkington 45a28e1d9SErik Pilkington#define SA(...) __attribute__((swift_async(__VA_ARGS__))) 55a28e1d9SErik Pilkington 65a28e1d9SErik PilkingtonSA(none) int a; // expected-warning{{'swift_async' attribute only applies to functions and Objective-C methods}} 75a28e1d9SErik Pilkington 8*22db4824SAaron BallmanSA(none) void b(void); 95a28e1d9SErik Pilkington 10*22db4824SAaron BallmanSA(not_swift_private, 0) void c(void); // expected-error{{'swift_async' attribute parameter 2 is out of bounds}} 11*22db4824SAaron BallmanSA(swift_private, 1) void d(void); // expected-error{{'swift_async' attribute parameter 2 is out of bounds}} 125a28e1d9SErik PilkingtonSA(swift_private, 1) void e(int); // expected-error{{'swift_async' completion handler parameter must have block type returning 'void', type here is 'int'}} 13*22db4824SAaron BallmanSA(not_swift_private, 1) void f(int (^)(void)); // expected-error-re{{'swift_async' completion handler parameter must have block type returning 'void', type here is 'int (^)({{(void)?}})'}} 14*22db4824SAaron BallmanSA(swift_private, 1) void g(void (^)(void)); 155a28e1d9SErik Pilkington 16*22db4824SAaron BallmanSA(none, 1) void h(void); // expected-error{{'swift_async' attribute takes one argument}} 17*22db4824SAaron BallmanSA() void i(void); // expected-error{{'swift_async' attribute takes at least 1 argument}} 18*22db4824SAaron BallmanSA(not_swift_private) void j(void); // expected-error{{'swift_async' attribute requires exactly 2 arguments}} 19*22db4824SAaron BallmanSA(43) void k(void); // expected-error{{'swift_async' attribute requires parameter 1 to be an identifier}} 20*22db4824SAaron BallmanSA(not_a_thing, 0) void l(void); // expected-error{{first argument to 'swift_async' must be either 'none', 'swift_private', or 'not_swift_private'}} 215a28e1d9SErik Pilkington 225a28e1d9SErik Pilkington@interface TestOnMethods 23*22db4824SAaron Ballman-(void)m1:(int (^)(void))callback SA(swift_private, 1); // expected-error-re{{'swift_async' completion handler parameter must have block type returning 'void', type here is 'int (^)({{(void)?}})'}} 24*22db4824SAaron Ballman-(void)m2:(void (^)(void))callback SA(swift_private, 0); // expected-error{{'swift_async' attribute parameter 2 is out of bounds}} 25*22db4824SAaron Ballman-(void)m3:(void (^)(void))callback SA(swift_private, 2); // expected-error{{'swift_async' attribute parameter 2 is out of bounds}} 265a28e1d9SErik Pilkington-(void)m4 SA(none); 275a28e1d9SErik Pilkington-(void)m5:(int)p handler:(void (^)(int))callback SA(not_swift_private, 2); 285a28e1d9SErik Pilkington@end 295a28e1d9SErik Pilkington 305a28e1d9SErik Pilkington#ifdef __cplusplus 315a28e1d9SErik Pilkingtonstruct S { 325a28e1d9SErik Pilkington SA(none) void mf1(); 335a28e1d9SErik Pilkington SA(swift_private, 2) void mf2(void (^)()); 345a28e1d9SErik Pilkington SA(swift_private, 1) void mf3(void (^)()); // expected-error{{'swift_async' attribute is invalid for the implicit this argument}} 355a28e1d9SErik Pilkington SA(swift_private, 0) void mf4(void (^)()); // expected-error{{'swift_async' attribute parameter 2 is out of bounds}} 365a28e1d9SErik Pilkington SA(not_swift_private, 2) void mf5(int (^)()); // expected-error{{'swift_async' completion handler parameter must have block type returning 'void', type here is 'int (^)()'}} 375a28e1d9SErik Pilkington}; 385a28e1d9SErik Pilkington#endif 39