| /* global describe, it, expect */ | 
|   | 
| 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'); | 
|         }); | 
|     }); | 
|   | 
|     describe('constants', function () { | 
|         it('should have MAX_VALUE', function () { | 
|             expect(Number.MAX_VALUE).toBe(1.7976931348623157e308); | 
|         }); | 
|   | 
|         it('should have MIN_VALUE', function () { | 
|             expect(Number.MIN_VALUE).toBe(5e-324); | 
|         }); | 
|   | 
|         it('should have NaN', function () { | 
|             expect(Number.NaN).not.toBe(Number.NaN); | 
|         }); | 
|   | 
|         it('should have POSITIVE_INFINITY', function () { | 
|             expect(Number.POSITIVE_INFINITY).toBe(Infinity); | 
|         }); | 
|   | 
|         it('should have NEGATIVE_INFINITY', function () { | 
|             expect(Number.NEGATIVE_INFINITY).toBe(-Infinity); | 
|         }); | 
|     }); | 
| }); |