1 // Copyright 2013 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Tests that we can compare various kinds of extern fn signatures.
13 // pretty-expanded FIXME #23616
15 extern fn voidret1() {}
16 extern fn voidret2() {}
18 extern fn uintret() -> uint { 22 }
20 extern fn uintvoidret(_x: uint) {}
22 extern fn uintuintuintuintret(x: uint, y: uint, z: uint) -> uint { x+y+z }
23 type uintuintuintuintret = extern fn(uint,uint,uint) -> uint;
26 assert!(voidret1 as extern fn() == voidret1 as extern fn());
27 assert!(voidret1 as extern fn() != voidret2 as extern fn());
29 assert!(uintret as extern fn() -> uint == uintret as extern fn() -> uint);
31 assert!(uintvoidret as extern fn(uint) == uintvoidret as extern fn(uint));
33 assert!(uintuintuintuintret as uintuintuintuintret ==
34 uintuintuintuintret as uintuintuintuintret);