fast-protocol/tests/testLong.js

FAST streaming protocol for Node.js (Encoder/Decoder for Javascript) (FAST protocol version 1.1)

var Long = require('long')

function toHexString(byteArray) {
  var s = ''
  byteArray.forEach(function(byte) {
    s += ('0' + (byte & 0xFF).toString(16)).slice(-2) + ' '
  })
  return s
}

function testShiftRight(str) {
  var value = Long.fromString(str, true)

  console.log('VALUE:', value.toString(10), 'HEX:', value.toString(16))
  for (var i = 0; i < 8; ++i) {
    var byte = value.shiftRight(i * 8).getLowBits() & 0xff
    console.log('I64 BYTE:', Long.fromInt(byte, true).toString(16), 'SHIFT:', i * 8, 'VAL>>:',
      value.shiftRight(i * 8).toString(16), value.shiftRightUnsigned(i * 8).toString(16))
  }
}


testShiftRight("2300718913637663521")
testShiftRight("18287897109254718241")
testShiftRight("9241421688590303745")
testShiftRight("-9223372036854775807")
testShiftRight("-72036854775807")