| // Copyright 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. |
| |
| |
| // Test to make sure the destructors run in the right order. |
| // Each destructor sets it's tag in the corresponding entry |
| // in ORDER matching up to when it ran. |
| // Correct order is: matched, inner, outer |
| |
| |
| static mut ORDER: [usize; 3] = [0, 0, 0]; |
| static mut INDEX: usize = 0; |
| |
| struct A; |
| impl Drop for A { |
| fn drop(&mut self) { |
| unsafe { |
| ORDER[INDEX] = 1; |
| INDEX = INDEX + 1; |
| } |
| } |
| } |
| |
| struct B; |
| impl Drop for B { |
| fn drop(&mut self) { |
| unsafe { |
| ORDER[INDEX] = 2; |
| INDEX = INDEX + 1; |
| } |
| } |
| } |
| |
| struct C; |
| impl Drop for C { |
| fn drop(&mut self) { |
| unsafe { |
| ORDER[INDEX] = 3; |
| INDEX = INDEX + 1; |
| } |
| } |
| } |
| |
| fn main() { |
| { |
| let matched = A; |
| let _outer = C; |
| { |
| match matched { |
| _s => {} |
| } |
| let _inner = B; |
| } |
| } |
| unsafe { |
| let expected: &[_] = &[1, 2, 3]; |
| assert_eq!(expected, ORDER); |
| } |
| } |