import assert from 'assert';

import {Bitfield, uint8, DecodeStream, EncodeStream} from 'restructure';

describe('Bitfield', function() {

const bitfield = new Bitfield(uint8, ['Jack', 'Kack', 'Lack', 'Mack', 'Nack', 'Oack', 'Pack', 'Quack']);

const JACK = 1 << 0;

const KACK = 1 << 1;

const LACK = 1 << 2;

const MACK = 1 << 3;

const NACK = 1 << 4;

const OACK = 1 << 5;

const PACK = 1 << 6;

const QUACK = 1 << 7;

it('should have the right size', () => assert.equal(bitfield.size(), 1));

it('should decode', function() {

const buffer = new Uint8Array([JACK | MACK | PACK | NACK | QUACK]);

assert.deepEqual(

bitfield.fromBuffer(buffer),

{Jack: true, Kack: false, Lack: false, Mack: true, Nack: true, Oack: false, Pack: true, Quack: true}

);

});

it('should encode', function() {

let buffer = bitfield.toBuffer({Jack: true, Kack: false, Lack: false, Mack: true, Nack: true, Oack: false, Pack: true, Quack: true});

assert.deepEqual(buffer, Buffer.from([JACK | MACK | PACK | NACK | QUACK]));

});

});