5757PASS new Date(8.64e15).setYear(new Date(8.64e15).getFullYear()).valueOf() is 8.64e15
5858PASS new Date(8.64e15).setYear(new Date(8.64e15).getFullYear() + 1).valueOf() is NaN
5959Testing setFullYear()
6060PASS new Date(0).setFullYear(Infinity).valueOf() is NaN