openethereum/util/rlp-derive/tests/rlp.rs

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// Copyright 2015-2019 Parity Technologies (UK) Ltd.
// This file is part of Parity Ethereum.
// Parity Ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity Ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity Ethereum. If not, see <http://www.gnu.org/licenses/>.
extern crate rlp;
#[macro_use]
extern crate rlp_derive;
use rlp::{decode, encode};
#[derive(Debug, PartialEq, RlpEncodable, RlpDecodable)]
struct Foo {
a: String,
}
#[derive(Debug, PartialEq, RlpEncodableWrapper, RlpDecodableWrapper)]
struct FooWrapper {
a: String,
}
#[test]
fn test_encode_foo() {
let foo = Foo { a: "cat".into() };
let expected = vec![0xc4, 0x83, b'c', b'a', b't'];
let out = encode(&foo);
assert_eq!(out, expected);
let decoded = decode(&expected).expect("decode failure");
assert_eq!(foo, decoded);
}
#[test]
fn test_encode_foo_wrapper() {
let foo = FooWrapper { a: "cat".into() };
let expected = vec![0x83, b'c', b'a', b't'];
let out = encode(&foo);
assert_eq!(out, expected);
let decoded = decode(&expected).expect("decode failure");
assert_eq!(foo, decoded);
}