'use strict';

const b58 = require ('b58');

// eslint-disable-next-line max-lines-per-function
describe ('b58', () => {
  it ('should encode "Hello World!"', () => {
    const enc = b58.encode (Buffer.from ('Hello World!', 'utf-8'));
    expect (enc)
      .toEqual ('2NEpo7TZRRrLZSi2U');
  });

  it ('should encode "The quick brown fox.."', () => {
    const enc = b58.encode (Buffer.from (
      'The quick brown fox jumps over the lazy dog.',
      'utf-8'
    ));
    expect (enc)
      .toEqual ('USm3fpXnKG5EUBx2ndxBDMPVciP5hGey2Jh4NDv6gmeo1LkMeiKrLJUUBk6Z');
  });

  it ('should encode test hex string', () => {
    const enc = b58.encode (Buffer.from ('0000287fb4cd', 'hex'));
    expect (enc)
      .toEqual ('11233QC4');
  });

  it ('should decode "Hello World!"', () => {
    const dec = b58.decode ('2NEpo7TZRRrLZSi2U')
      .toString ('utf-8');
    expect (dec)
      .toEqual ('Hello World!');
  });

  it ('should decode "The quick brown fox.."', () => {
    const dec = b58.decode (
      'USm3fpXnKG5EUBx2ndxBDMPVciP5hGey2Jh4NDv6gmeo1LkMeiKrLJUUBk6Z'
    )
      .toString ('utf-8');
    expect (dec)
      .toEqual ('The quick brown fox jumps over the lazy dog.');
  });

  it ('should decode test hex string', () => {
    const dec = b58.decode ('11233QC4')
      .toString ('hex');
    expect (dec)
      .toEqual ('0000287fb4cd');
  });

  it ('should encode any byte combination', () => {
    for (let i = 0; i < 65536; i++) {
      const buf = Buffer.alloc (2);
      buf.writeUInt16BE (i);
      const enc = b58.encode (buf);
      const dec = b58.decode (enc)
        .readUInt16BE ();
      expect (dec)
        .toEqual (i);
    }
  });
});