rust/src/test/run-pass/issue-22536-copy-mustnt-zero.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

38 lines
1.0 KiB
Rust

// 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.
// Regression test for Issue #22536: If a type implements Copy, then
// moving it must not zero the original memory.
trait Resources {
type Buffer: Copy;
fn foo(&self) {}
}
struct BufferHandle<R: Resources> {
raw: <R as Resources>::Buffer,
}
impl<R: Resources> Copy for BufferHandle<R> {}
impl<R: Resources> Clone for BufferHandle<R> {
fn clone(&self) -> BufferHandle<R> { *self }
}
enum Res {}
impl Resources for Res {
type Buffer = u32;
}
fn main() {
let b: BufferHandle<Res> = BufferHandle { raw: 1 };
let c = b;
assert_eq!(c.raw, b.raw)
}