| new Date(NaN).setFullYear(NaN) = NaN |
| new Date(0).setYear(70) = 0 |
| new Date(0).setYear(NaN) = NaN |
| new Date(NaN).setYear(70) = -19800000 |
| new Date(NaN).getTimezoneOffset() = NaN |
| Date.prototype.setMilliseconds calls valueOf on arg |
| Date.prototype.setUTCMilliseconds calls valueOf on arg |
| Date.prototype.setSeconds calls valueOf on arg |
| Date.prototype.setUTCSeconds calls valueOf on arg |
| Date.prototype.setMinutes calls valueOf on arg |
| Date.prototype.setUTCMinutes calls valueOf on arg |
| Date.prototype.setHours calls valueOf on arg |
| Date.prototype.setUTCHours calls valueOf on arg |
| Date.prototype.setDate calls valueOf on arg |
| Date.prototype.setUTCDate calls valueOf on arg |
| Date.prototype.setMonth calls valueOf on arg |
| Date.prototype.setUTCMonth calls valueOf on arg |