rust/src/test/run-pass/borrowck-preserve-box-in-discr.rs
Huon Wilson e4f7561bcd Clean-up tests after debug!/std-macros change.
The entire testsuite is converted to using info! rather than debug!
because some depend on the code within the debug! being trans'd.
2013-07-17 03:10:13 +10:00

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984 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.
// exec-env:RUST_POISON_ON_FREE=1
use std::ptr;
struct F { f: ~int }
pub fn main() {
let mut x = @F {f: ~3};
match x {
@F {f: ref b_x} => {
assert_eq!(**b_x, 3);
assert_eq!(ptr::to_unsafe_ptr(&(*x.f)), ptr::to_unsafe_ptr(&(**b_x)));
x = @F {f: ~4};
info!("ptr::to_unsafe_ptr(*b_x) = %x",
ptr::to_unsafe_ptr(&(**b_x)) as uint);
assert_eq!(**b_x, 3);
assert!(ptr::to_unsafe_ptr(&(*x.f)) != ptr::to_unsafe_ptr(&(**b_x)));
}
}
}