blob: 64e68c78c3ca6b77a201049d6f131e6f354a7846 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
// 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.
// 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);
}
|