// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // Test that destructor on a struct runs successfully after the struct // is boxed and converted to an object. #![allow(unknown_features)] #![feature(box_syntax)] static mut value: usize = 0; struct Cat { name : usize, } trait Dummy { fn get(&self) -> usize; } impl Dummy for Cat { fn get(&self) -> usize { self.name } } impl Drop for Cat { fn drop(&mut self) { unsafe { value = self.name; } } } pub fn main() { { let x = box Cat {name: 22}; let nyan: Box = x as Box; } unsafe { assert_eq!(value, 22); } }