src/test/run-pass/panic-in-dtor-drops-fields.rs

   1 // Copyright 2013 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.
   4 //
   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.
  10
  11 use std::thread;
  12
  13 static mut dropped: bool = false;
  14
  15 struct A {
  16     b: B,
  17 }
  18
  19 struct B {
  20     foo: int,
  21 }
  22
  23 impl Drop for A {
  24     fn drop(&mut self) {
  25         panic!()
  26     }
  27 }
  28
  29 impl Drop for B {
  30     fn drop(&mut self) {
  31         unsafe { dropped = true; }
  32     }
  33 }
  34
  35 pub fn main() {
  36     let ret = thread::spawn(move|| {
  37         let _a = A { b: B { foo: 3 } };
  38     }).join();
  39     assert!(ret.is_err());
  40     unsafe { assert!(dropped); }
  41 }