text: var assert = require('assert')
  var UINT32 = require('..').UINT32
  
  describe('rotateLeft method', function () {
  
    describe('0rotl1', function () {
  
      it('should return 0', function (done) {
        var u = UINT32(0).rotateLeft(1)
  
        assert.equal( u.toNumber(), 0 )
        done()
      })
  
    })
  
    describe('1rotl2', function () {
  
      it('should return 4', function (done) {
        var u = UINT32(1).rotateLeft(2)
  
        assert.equal( u.toNumber(), 4 )
        done()
      })
  
    })
  
    describe('1rotl16', function () {
  
      it('should return 2^16', function (done) {
        var n = Math.pow(2, 16)
        var u = UINT32(1).rotateLeft(16)
  
        assert.equal( u.toNumber(), n )
        done()
      })
  
    })
  
    describe('1rotl32', function () {
  
      it('should return 1', function (done) {
        var u = UINT32(1).rotateLeft(32)
  
        assert.equal( u.toNumber(), 1 )
        done()
      })
  
    })
  
  })
  