| // Copyright 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. |
| |
| // This briefly tests the capability of `Cell` and `RefCell` to implement the |
| // `Encodable` and `Decodable` traits via `#[derive(Encodable, Decodable)]` |
| |
| |
| #![feature(rustc_private)] |
| |
| extern crate serialize; |
| |
| use std::cell::{Cell, RefCell}; |
| use serialize::{Encodable, Decodable}; |
| use serialize::json; |
| |
| #[derive(Encodable, Decodable)] |
| struct A { |
| baz: isize |
| } |
| |
| #[derive(Encodable, Decodable)] |
| struct B { |
| foo: Cell<bool>, |
| bar: RefCell<A>, |
| } |
| |
| fn main() { |
| let obj = B { |
| foo: Cell::new(true), |
| bar: RefCell::new( A { baz: 2 } ) |
| }; |
| let s = json::encode(&obj).unwrap(); |
| let obj2: B = json::decode(&s).unwrap(); |
| assert_eq!(obj.foo.get(), obj2.foo.get()); |
| assert_eq!(obj.bar.borrow().baz, obj2.bar.borrow().baz); |
| } |