| // Copyright 2015 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. |
| |
| // run-pass |
| #![allow(unused_variables)] |
| #![allow(stable_features)] |
| |
| // test that ordinary fat pointer operations work. |
| |
| #![feature(braced_empty_structs)] |
| #![feature(rustc_attrs)] |
| |
| use std::sync::atomic; |
| use std::sync::atomic::Ordering::SeqCst; |
| |
| static COUNTER: atomic::AtomicUsize = atomic::ATOMIC_USIZE_INIT; |
| |
| struct DropMe { |
| } |
| |
| impl Drop for DropMe { |
| fn drop(&mut self) { |
| COUNTER.fetch_add(1, SeqCst); |
| } |
| } |
| |
| fn fat_ptr_move_then_drop(a: Box<[DropMe]>) { |
| let b = a; |
| } |
| |
| fn main() { |
| let a: Box<[DropMe]> = Box::new([DropMe { }]); |
| fat_ptr_move_then_drop(a); |
| assert_eq!(COUNTER.load(SeqCst), 1); |
| } |