overflow-undefined.js (2354B)
1 // |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally 2 // Copyright (C) 2021 Igalia, S.L. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 5 /*--- 6 esid: sec-temporal.plaindatetime.from 7 description: Fallback value for overflow option 8 info: | 9 sec-getoption step 3: 10 3. If _value_ is *undefined*, return _fallback_. 11 sec-temporal-totemporaloverflow step 1: 12 1. Return ? GetOption(_normalizedOptions_, *"overflow"*, « String », « *"constrain"*, *"reject"* », *"constrain"*). 13 sec-temporal-interprettemporaldatetimefields steps 2–3: 14 2. Let _temporalDate_ be ? DateFromFields(_calendar_, _fields_, _options_). 15 3. Let _overflow_ be ? ToTemporalOverflow(_options_). 16 sec-temporal-totemporaldatetime steps 2–3: 17 2. If Type(_item_) is Object, then 18 ... 19 g. Let _result_ be ? InterpretTemporalDateTimeFields(_calendar_, _fields_, _options_). 20 3. Else, 21 a. Perform ? ToTemporalOverflow(_options_). 22 sec-temporal.plaindatetime.from steps 2–3: 23 2. If Type(_item_) is Object and _item_ has an [[InitializedTemporalDateTime]] internal slot, then 24 a. Perform ? ToTemporalOverflow(_options_). 25 b. Return ... 26 3. Return ? ToTemporalDateTime(_item_, _options_). 27 includes: [temporalHelpers.js] 28 features: [Temporal] 29 ---*/ 30 31 const validValues = [ 32 new Temporal.PlainDateTime(2000, 5, 2, 12), 33 "2000-05-02T12:00", 34 ]; 35 validValues.forEach((value) => { 36 const explicit = Temporal.PlainDateTime.from(value, { overflow: undefined }); 37 TemporalHelpers.assertPlainDateTime(explicit, 2000, 5, "M05", 2, 12, 0, 0, 0, 0, 0, "overflow is ignored"); 38 const implicit = Temporal.PlainDateTime.from(value, {}); 39 TemporalHelpers.assertPlainDateTime(implicit, 2000, 5, "M05", 2, 12, 0, 0, 0, 0, 0, "overflow is ignored"); 40 }); 41 42 const propertyBag = { year: 2000, month: 13, day: 34, hour: 12 }; 43 const explicit = Temporal.PlainDateTime.from(propertyBag, { overflow: undefined }); 44 TemporalHelpers.assertPlainDateTime(explicit, 2000, 12, "M12", 31, 12, 0, 0, 0, 0, 0, "default overflow is constrain"); 45 const implicit = Temporal.PlainDateTime.from(propertyBag, {}); 46 TemporalHelpers.assertPlainDateTime(implicit, 2000, 12, "M12", 31, 12, 0, 0, 0, 0, 0, "default overflow is constrain"); 47 48 reportCompare(0, 0);