1 // Copyright 2012-2014 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 // Ensures that destructors are run for expressions of the form "e;" where
12 // `e` is a type which requires a destructor.
15 #![allow(path_statement)]
20 static mut NUM_DROPS: usize = 0;
24 unsafe { NUM_DROPS += 1; }
30 unsafe { NUM_DROPS += 1; }
35 assert_eq!(unsafe { NUM_DROPS }, 0);
36 { let _a = A { n: 1 }; }
37 assert_eq!(unsafe { NUM_DROPS }, 1);
39 assert_eq!(unsafe { NUM_DROPS }, 2);
42 assert_eq!(unsafe { NUM_DROPS }, 3);
44 assert_eq!(unsafe { NUM_DROPS }, 4);