Skip to content

Commit

Permalink
Rollup merge of rust-lang#36140 - cristicbz:test-14875, r=nagisa
Browse files Browse the repository at this point in the history
Add test for rust-lang#14875

You can check this out in the playground https://is.gd/oVKC2T . It will fail on stable, but pass on nightly as @nagisa suggested on the issue.

Fixes rust-lang#14875
  • Loading branch information
Jonathan Turner authored Aug 31, 2016
2 parents d18f148 + 34e1817 commit ad5430f
Showing 1 changed file with 43 additions and 0 deletions.
43 changes: 43 additions & 0 deletions src/test/run-pass/issue-14875.rs
Original file line number Diff line number Diff line change
@@ -0,0 +1,43 @@
// Copyright 2016 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.

// Check that values are not leaked when a dtor panics (#14875)

use std::panic::{self, UnwindSafe};

struct SetInnerOnDrop<'a>(&'a mut bool);

impl<'a> UnwindSafe for SetInnerOnDrop<'a> {}

impl<'a> Drop for SetInnerOnDrop<'a> {
fn drop(&mut self) {
*self.0 = true;
}
}

struct PanicOnDrop;
impl Drop for PanicOnDrop {
fn drop(&mut self) {
panic!("test panic");
}
}


fn main() {
let mut set_on_drop = false;
{
let set_inner_on_drop = SetInnerOnDrop(&mut set_on_drop);
let _ = panic::catch_unwind(|| {
let _set_inner_on_drop = set_inner_on_drop;
let _panic_on_drop = PanicOnDrop;
});
}
assert!(set_on_drop);
}

0 comments on commit ad5430f

Please sign in to comment.