coercion-order.js (1745B)
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 /*--- 5 esid: sec-date-year-month-date-hours-minutes-seconds-ms 6 description: Order of input coercion 7 info: | 8 3. If NewTarget is not undefined, then 9 a. Let y be ? ToNumber(year). 10 b. Let m be ? ToNumber(month). 11 c. If date is supplied, let dt be ? ToNumber(date); else let dt be 1. 12 d. If hours is supplied, let h be ? ToNumber(hours); else let h be 0. 13 e. If minutes is supplied, let min be ? ToNumber(minutes); else let min be 0. 14 f. If seconds is supplied, let s be ? ToNumber(seconds); else let s be 0. 15 g. If ms is supplied, let milli be ? ToNumber(ms); else let milli be 0. 16 h. If y is not NaN and 0 ≤ ToInteger(y) ≤ 99, let yr be 1900+ToInteger(y); otherwise, 17 let yr be y. 18 i. Let finalDate be MakeDate(MakeDay(yr, m, dt), MakeTime(h, min, s, milli)). 19 j. Let O be ? OrdinaryCreateFromConstructor(NewTarget, "%DatePrototype%", « [[DateValue]] »). 20 k. Set O.[[DateValue]] to TimeClip(UTC(finalDate)). 21 l. Return O. 22 ---*/ 23 24 var log = ''; 25 var year = { toString: function() { log += 'year'; return 0; } }; 26 var month = { toString: function() { log += 'month'; return 0; } }; 27 var date = { toString: function() { log += 'date'; return 1; } }; 28 var hours = { toString: function() { log += 'hours'; return 0; } }; 29 var minutes = { toString: function() { log += 'minutes'; return 0; } }; 30 var seconds = { toString: function() { log += 'seconds'; return 0; } }; 31 var ms = { toString: function() { log += 'ms'; return 0; } }; 32 33 new Date(year, month, date, hours,minutes, seconds, ms); 34 35 assert.sameValue(log, 'yearmonthdatehoursminutessecondsms'); 36 37 reportCompare(0, 0);