'use strict'
  
  var test = require('tape').test
  var msgpack = require('../')
  var bl = require('bl')
  
  test('encode/decode 32 <-> (2^8-1) bytes strings', function (t) {
    var encoder = msgpack()
    var all = []
    var i
  
    // build base
    for (i = 'a'; i.length < 32; i += 'a') {
    }
  
    for (; i.length < Math.pow(2, 8); i += 'aaaaa') {
      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, 2 + Buffer.byteLength(str), 'must be the proper length')
        t.equal(buf.readUInt8(0), 0xd9, 'must have the proper header')
        t.equal(buf.readUInt8(1), Buffer.byteLength(str), 'must include the str length')
        t.equal(buf.toString('utf8', 2, 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(2 + Buffer.byteLength(str))
        buf[0] = 0xd9
        buf[1] = Buffer.byteLength(str)
        buf.write(str, 2)
        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
    for (str = 'a'; str.length < 40; str += 'a') {
    }
    var buf = new Buffer(2 + Buffer.byteLength(str))
    buf[0] = 0xd9
    buf[1] = Buffer.byteLength(str) + 10 // set bigger size
    buf.write(str, 2)
    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()
  })
  
  test('decoding an incomplete header of a string', function (t) {
    var encoder = msgpack()
    var buf = new Buffer(1)
    buf[0] = 0xd9
    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()
  })