text: var assert = require('assert')
  var UINT64 = require('..').UINT64
  
  describe('div method', function () {
  
    describe('1/0', function () {
  
      it('should throw', function (done) {
        assert.throws(
            function () {
              UINT64(1).div( UINT64(0) )
            }
          , function (err) {
              if (err instanceof Error) return true
            }
          )
  
  
        done()
      })
  
    })
  
    describe('0/1', function () {
  
      it('should return 0', function (done) {
        var u = UINT64(2).div( UINT64(1) )
  
        assert.equal( u.toNumber(), 2 )
        done()
      })
  
    })
  
    describe('2/1', function () {
  
      it('should return 2', function (done) {
        var u = UINT64(0).div( UINT64(1) )
  
        assert.equal( u.toNumber(), 0 )
        done()
      })
  
    })
  
    describe('1/2', function () {
  
      it('should return 0', function (done) {
        var u = UINT64(1).div( UINT64(2) )
  
        assert.equal( u.toNumber(), 0 )
        done()
      })
  
    })
  
    describe('low bit/high bit', function () {
  
      it('should return n', function (done) {
        var n = Math.pow(2, 17)
        var u = UINT64(3).div( UINT64(n) )
  
        assert.equal( u.toNumber(), 0 )
        done()
      })
  
    })
  
    describe('high bit/low bit', function () {
  
      it('should return n', function (done) {
        var n = Math.pow(2, 17)
        var u = UINT64(n).div( UINT64(3) )
  
        assert.equal( u.toNumber(), (n/3)|0 )
        assert.equal( u.remainder.toNumber(), 2 )
        done()
      })
  
    })
  
    describe('high bit/high bit', function () {
  
      it('should return n', function (done) {
        var n = 'FFFFFFFF'
        var u = UINT64(n, 16).div( UINT64(n, 16) )
  
        assert.equal( u.toNumber(), 1 )
        done()
      })
  
    })
  
    describe('high bit/high bit 2', function () {
  
      it('should return n', function (done) {
        var u = UINT64('3266489917').div( UINT64('668265263') )
  
        assert.equal( u.toNumber(), 4 )
        done()
      })
  
    })
  
  })
  