'use strict';

require('../common');
const assert = require('assert');

[ 'hex',
  'utf8',
  'utf-8',
  'ascii',
  'latin1',
  'binary',
  'base64',
  'ucs2',
  'ucs-2',
  'utf16le',
  'utf-16le' ].forEach((enc) => {
    assert.strictEqual(Buffer.isEncoding(enc), true);
  });

[ 'utf9',
  'utf-7',
  'Unicode-FTW',
  'new gnu gun',
  false,
  NaN,
  {},
  Infinity,
  [],
  1,
  0,
  -1 ].forEach((enc) => {
    assert.strictEqual(Buffer.isEncoding(enc), false);
  });
