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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 | ||
c34b1796 AL |
14 | |
15 | #![feature(rustc_private)] | |
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16 | |
17 | extern crate serialize; | |
18 | ||
19 | use std::cell::{Cell, RefCell}; | |
20 | use serialize::{Encodable, Decodable}; | |
21 | use serialize::json; | |
22 | ||
23 | #[derive(Encodable, Decodable)] | |
24 | struct A { | |
c34b1796 | 25 | baz: isize |
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26 | } |
27 | ||
28 | #[derive(Encodable, Decodable)] | |
29 | struct B { | |
30 | foo: Cell<bool>, | |
31 | bar: RefCell<A>, | |
32 | } | |
33 | ||
34 | fn main() { | |
35 | let obj = B { | |
36 | foo: Cell::new(true), | |
37 | bar: RefCell::new( A { baz: 2 } ) | |
38 | }; | |
85aaf69f SL |
39 | let s = json::encode(&obj).unwrap(); |
40 | let obj2: B = json::decode(&s).unwrap(); | |
62682a34 SL |
41 | assert_eq!(obj.foo.get(), obj2.foo.get()); |
42 | assert_eq!(obj.bar.borrow().baz, obj2.bar.borrow().baz); | |
1a4d82fc | 43 | } |