42 lines
1.2 KiB
Rust
42 lines
1.2 KiB
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// This briefly tests the capability of `Cell` and `RefCell` to implement the
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// `Encodable` and `Decodable` traits via `#[deriving(Encodable, Decodable)]`
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extern crate serialize;
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use std::cell::{Cell, RefCell};
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use std::io::MemWriter;
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use serialize::{Encodable, Decodable};
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use serialize::json;
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#[deriving(Encodable, Decodable)]
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struct A {
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baz: int
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}
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#[deriving(Encodable, Decodable)]
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struct B {
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foo: Cell<bool>,
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bar: RefCell<A>,
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}
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fn main() {
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let obj = B {
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foo: Cell::new(true),
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bar: RefCell::new( A { baz: 2 } )
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};
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let s = json::encode(&obj);
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let obj2: B = json::decode(s.as_slice()).unwrap();
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assert!(obj.foo.get() == obj2.foo.get());
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assert!(obj.bar.borrow().baz == obj2.bar.borrow().baz);
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}
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