'use strict'
  
  var test = require('tape').test
  var msgpack = require('../')
  var bl = require('bl')
  
  test('encoding/decoding 64-bits float numbers', function (t) {
    var encoder = msgpack()
    var allNum = []
  
    allNum.push(748365544534.2)
    allNum.push(-222111111000004.2)
    allNum.push(9007199254740992)
    allNum.push(-9007199254740992)
  
    allNum.forEach(function (num) {
      t.test('encoding ' + num, function (t) {
        var buf = encoder.encode(num)
        var dec = buf.readDoubleBE(1)
        t.equal(buf.length, 9, 'must have 9 bytes')
        t.equal(buf[0], 0xcb, 'must have the proper header')
        t.true(Math.abs(dec - num) < 0.1, 'must decode correctly')
        t.end()
      })
  
      t.test('decoding ' + num, function (t) {
        var buf = new Buffer(9)
        var dec
        buf[0] = 0xcb
        buf.writeDoubleBE(num, 1)
        dec = encoder.decode(buf)
        t.true(Math.abs(dec - num) < 0.1, 'must decode correctly')
        t.end()
      })
  
      t.test('mirror test ' + num, function (t) {
        var dec = encoder.decode(encoder.encode(num))
        t.true(Math.abs(dec - num) < 0.1, 'must decode correctly')
        t.end()
      })
    })
  
    t.end()
  })
  
  test('decoding an incomplete 64-bits float numbers', function (t) {
    var encoder = msgpack()
    var buf = new Buffer(8)
    buf[0] = 0xcb
    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()
  })