'use strict'
  
  var test = require('tape').test
  var msgpack = require('../')
  var bl = require('bl')
  
  test('encode/decode strings with max 31 of length', function (t) {
    var encoder = msgpack()
    var all = []
  
    // build base
    for (var i = ''; i.length < 32; i += 'a') {
      all.push(i)
    }
  
    all.forEach(function (str) {
      t.test('encoding a string of length ' + str.length, function (t) {
        var buf = encoder.encode(str)
        t.equal(buf.length, 1 + Buffer.byteLength(str), 'must be the proper length')
        t.equal(buf.readUInt8(0) & 0xe0, 0xa0, 'must have the proper header')
        t.equal(buf.readUInt8(0) & 0x1f, Buffer.byteLength(str), 'must include the str length')
        t.equal(buf.toString('utf8', 1, Buffer.byteLength(str) + 2), str, 'must decode correctly')
        t.end()
      })
  
      t.test('decoding a string of length ' + str.length, function (t) {
        var buf = new Buffer(1 + Buffer.byteLength(str))
        buf[0] = 0xa0 | Buffer.byteLength(str)
        if (str.length > 0) {
          buf.write(str, 1)
        }
        t.equal(encoder.decode(buf), str, 'must decode correctly')
        t.end()
      })
  
      t.test('mirror test a string of length ' + str.length, function (t) {
        t.equal(encoder.decode(encoder.encode(str)), str, 'must stay the same')
        t.end()
      })
    })
  
    t.end()
  })
  
  test('decoding a chopped string', function (t) {
    var encoder = msgpack()
    var str = 'aaa'
    var buf = new Buffer(1 + Buffer.byteLength(str))
    buf[0] = 0xa0 | Buffer.byteLength(str) + 2 // set bigger size
    buf.write(str, 1)
    buf = bl().append(buf)
    var origLength = buf.length
    t.throws(function () {
      encoder.decode(buf)
    }, encoder.IncompleteBufferError, 'must throw IncompleteBufferError')
    t.equals(buf.length, origLength, 'must not consume any byte')
    t.end()
  })