46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
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// Copyright 2020 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Verify the order of resolvedOptions()
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let df = new Intl.DateTimeFormat("en", {
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weekday: "narrow",
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era: "narrow",
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year: "2-digit",
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month: "2-digit",
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day: "2-digit",
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hour: "2-digit",
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minute: "2-digit",
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second: "2-digit",
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fractionalSecondDigits: 2,
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timeZoneName: "short"});
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let resolvedOptionsKeys = Object.keys(df.resolvedOptions()).join(":");
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assertEquals(
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"locale:calendar:numberingSystem:timeZone:hourCycle:hour12:weekday:era:" +
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"year:month:day:hour:minute:second:fractionalSecondDigits:timeZoneName",
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resolvedOptionsKeys);
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// Verify the order of reading the options.
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let read = [];
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let options = {
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get second() {
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read.push("second");
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return undefined;
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},
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get fractionalSecondDigits() {
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read.push("fractionalSecondDigits");
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return undefined;
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},
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get timeZoneName() {
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read.push("timeZoneName");
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return undefined;
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}
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};
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df = new Intl.DateTimeFormat("en", options);
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assertEquals(
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"second:fractionalSecondDigits:second:fractionalSecondDigits:timeZoneName",
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read.join(":"));
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