blob: 33d5c72772c579e9597ee650298d9569967b1412 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
// 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.
// 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<Dummy> = x as Box<Dummy>;
}
unsafe {
assert_eq!(value, 22);
}
}
|