rust/src/test/run-pass/unique-in-vec-copy.rs
Alex Crichton ec7c800d2f Remove pretty-expanded from failing tests
This commit removes pretty-expanded from all tests that wind up calling panic!
one way or another now that its internals are unstable.
2015-04-08 17:21:34 -07:00

28 lines
785 B
Rust

// Copyright 2012 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.
#![allow(unknown_features)]
#![feature(box_syntax)]
pub fn main() {
let mut a: Vec<Box<_>> = vec!(box 10);
let b = a.clone();
assert_eq!(*a[0], 10);
assert_eq!(*b[0], 10);
// This should only modify the value in a, not b
*a[0] = 20;
assert_eq!(*a[0], 20);
assert_eq!(*b[0], 10);
}