nans.js (1319B)
1 // Copyright (C) 2016 the V8 project authors. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 /*--- 4 esid: sec-date.utc 5 description: NaN value handling 6 info: | 7 1. Let y be ? ToNumber(year). 8 2. Let m be ? ToNumber(month). 9 3. If date is supplied, let dt be ? ToNumber(date); else let dt be 1. 10 4. If hours is supplied, let h be ? ToNumber(hours); else let h be 0. 11 5. If minutes is supplied, let min be ? ToNumber(minutes); else let min be 0. 12 6. If seconds is supplied, let s be ? ToNumber(seconds); else let s be 0. 13 7. If ms is supplied, let milli be ? ToNumber(ms); else let milli be 0. 14 8. If y is not NaN and 0 ≤ ToInteger(y) ≤ 99, let yr be 1900+ToInteger(y); 15 otherwise, let yr be y. 16 9. Return TimeClip(MakeDate(MakeDay(yr, m, dt), MakeTime(h, min, s, milli))). 17 ---*/ 18 19 assert.sameValue(Date.UTC(NaN), NaN, 'year'); 20 assert.sameValue(Date.UTC(NaN, 0), NaN, 'year'); 21 assert.sameValue(Date.UTC(1970, NaN), NaN, 'month'); 22 assert.sameValue(Date.UTC(1970, 0, NaN), NaN, 'date'); 23 assert.sameValue(Date.UTC(1970, 0, 1, NaN), NaN, 'hours'); 24 assert.sameValue(Date.UTC(1970, 0, 1, 0, NaN), NaN, 'minutes'); 25 assert.sameValue(Date.UTC(1970, 0, 1, 0, 0, NaN), NaN, 'seconds'); 26 assert.sameValue(Date.UTC(1970, 0, 1, 0, 0, 0, NaN), NaN, 'ms'); 27 28 reportCompare(0, 0);