describe('Number', function () {
      'use strict';
      
      describe('toFixed', function () {
          it('should convert numbers correctly', function () {
              expect((0.00008).toFixed(3)).toBe('0.000');
              expect((0.9).toFixed(0)).toBe('1');
              expect((1.255).toFixed(2)).toBe('1.25');
              expect((1843654265.0774949).toFixed(5)).toBe('1843654265.07749');
              expect((1000000000000000128).toFixed(0)).toBe('1000000000000000128');
          });
      });
  
  });