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[rustc.git] / src / test / run-pass / deriving-encodable-decodable-cell-refcell.rs
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1// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2// file at the top-level directory of this distribution and at
3// http://rust-lang.org/COPYRIGHT.
4//
5// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8// option. This file may not be copied, modified, or distributed
9// except according to those terms.
10
11// This briefly tests the capability of `Cell` and `RefCell` to implement the
12// `Encodable` and `Decodable` traits via `#[derive(Encodable, Decodable)]`
13
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14
15#![feature(rustc_private)]
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16
17extern crate serialize;
18
19use std::cell::{Cell, RefCell};
20use serialize::{Encodable, Decodable};
21use serialize::json;
22
23#[derive(Encodable, Decodable)]
24struct A {
c34b1796 25 baz: isize
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26}
27
28#[derive(Encodable, Decodable)]
29struct B {
30 foo: Cell<bool>,
31 bar: RefCell<A>,
32}
33
34fn main() {
35 let obj = B {
36 foo: Cell::new(true),
37 bar: RefCell::new( A { baz: 2 } )
38 };
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39 let s = json::encode(&obj).unwrap();
40 let obj2: B = json::decode(&s).unwrap();
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41 assert_eq!(obj.foo.get(), obj2.foo.get());
42 assert_eq!(obj.bar.borrow().baz, obj2.bar.borrow().baz);
1a4d82fc 43}