rust/src/test/run-pass/objects-owned-object-borrowed-method-header.rs

44 lines
1.1 KiB
Rust

// ignore-pretty
// Copyright 2013-2014 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.
#[feature(managed_boxes)];
// Test invoked `&self` methods on owned objects where the values
// closed over contain managed values. This implies that the ~ boxes
// will have headers that must be skipped over.
trait FooTrait {
fn foo(&self) -> uint;
}
struct BarStruct {
x: @uint
}
impl FooTrait for BarStruct {
fn foo(&self) -> uint {
*self.x
}
}
pub fn main() {
let foos: ~[ ~FooTrait: ] = ~[
~BarStruct{ x: @0 } as ~FooTrait:,
~BarStruct{ x: @1 } as ~FooTrait:,
~BarStruct{ x: @2 } as ~FooTrait:
];
for i in range(0u, foos.len()) {
assert_eq!(i, foos[i].foo());
}
}