43 lines
880 B
Rust
43 lines
880 B
Rust
|
// Copyright 2013 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.
|
||
|
|
|
||
|
|
use std::task;
|
||
|
|
|
||
|
|
static mut dropped: bool = false;
|
||
|
|
|
||
|
|
struct A {
|
||
|
|
b: B,
|
||
|
|
}
|
||
|
|
|
||
|
|
struct B {
|
||
|
|
foo: int,
|
||
|
|
}
|
||
|
|
|
||
|
|
impl Drop for A {
|
||
|
|
fn drop(&mut self) {
|
||
|
|
fail!()
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
impl Drop for B {
|
||
|
|
fn drop(&mut self) {
|
||
|
|
unsafe { dropped = true; }
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn main() {
|
||
|
|
let ret = do task::try {
|
||
|
|
let _a = A { b: B { foo: 3 } };
|
||
|
|
};
|
||
|
|
assert!(ret.is_err());
|
||
|
|
unsafe { assert!(dropped); }
|
||
|
|
}
|
||
|
|
|