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30 lines
837 B
JavaScript
30 lines
837 B
JavaScript
// Copyright 2019 Igalia, S.L. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-initializedatetimeformat
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description: >
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Checks error cases for the options argument to the DateTimeFormat constructor.
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info: |
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InitializeDateTimeFormat ( dateTimeFormat, locales, options )
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...
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30. Let timeStyle be ? GetOption(options, "timeStyle", "string", « "full", "long", "medium", "short" », undefined).
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features: [Intl.DateTimeFormat-datetimestyle]
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---*/
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const invalidOptions = [
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"",
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"FULL",
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" long",
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"short ",
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"narrow",
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"numeric",
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];
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for (const timeStyle of invalidOptions) {
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assert.throws(RangeError, function() {
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new Intl.DateTimeFormat("en", { timeStyle });
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}, `new Intl.DateTimeFormat("en", { timeStyle: "${timeStyle}" }) throws RangeError`);
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}
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