text: var should = require('chai').should(),
      position = require('../position')
  
  describe('position', function() {
    it('creates ńew position', function() {
      var x = 4, y = 5
      var p = new position(x, y)
      p.x.should.equal(x)
      p.y.should.equal(y)
    })
  
    it('creates new position from old position', function() {
      var x = 4, y = 5, xModifier = 2, yModifier = -2
      var p = new position(x, y).newPosition(xModifier, yModifier)
      p.x.should.equal(x + xModifier)
      p.y.should.equal(y + yModifier)
    })
  })