| // Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| |
| static mut DROP: isize = 0; |
| static mut DROP_S: isize = 0; |
| static mut DROP_T: isize = 0; |
| |
| struct S; |
| impl Drop for S { |
| fn drop(&mut self) { |
| unsafe { |
| DROP_S += 1; |
| DROP += 1; |
| } |
| } |
| } |
| fn f(ref _s: S) {} |
| |
| struct T { i: isize } |
| impl Drop for T { |
| fn drop(&mut self) { |
| unsafe { |
| DROP_T += 1; |
| DROP += 1; |
| } |
| } |
| } |
| fn g(ref _t: T) {} |
| |
| fn do_test() { |
| let s = S; |
| f(s); |
| unsafe { |
| assert_eq!(1, DROP); |
| assert_eq!(1, DROP_S); |
| } |
| let t = T { i: 1 }; |
| g(t); |
| unsafe { assert_eq!(1, DROP_T); } |
| } |
| |
| fn main() { |
| do_test(); |
| unsafe { |
| assert_eq!(2, DROP); |
| assert_eq!(1, DROP_S); |
| assert_eq!(1, DROP_T); |
| } |
| } |