diff options
Diffstat (limited to 'src/test/ui/run-pass/drop/drop-struct-as-object.rs')
| -rw-r--r-- | src/test/ui/run-pass/drop/drop-struct-as-object.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/ui/run-pass/drop/drop-struct-as-object.rs b/src/test/ui/run-pass/drop/drop-struct-as-object.rs new file mode 100644 index 00000000000..17603e11ddd --- /dev/null +++ b/src/test/ui/run-pass/drop/drop-struct-as-object.rs @@ -0,0 +1,44 @@ +// 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. + +#![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); + } +} |
