25 lines
1.1 KiB
JavaScript
25 lines
1.1 KiB
JavaScript
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// Copyright 2019 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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// Flags: --harmony-intl-date-format-range
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let descriptor = Object.getOwnPropertyDescriptor(
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Intl.DateTimeFormat.prototype, "formatRangeToParts");
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assertTrue(descriptor.writable);
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assertFalse(descriptor.enumerable);
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assertTrue(descriptor.configurable);
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const date1 = new Date("2019-1-3");
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const date2 = new Date("2019-3-4");
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const dtf = new Intl.DateTimeFormat();
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assertThrows(() => dtf.formatRangeToParts(), RangeError);
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assertThrows(() => dtf.formatRangeToParts(date1), RangeError);
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assertThrows(() => dtf.formatRangeToParts(undefined, date2), RangeError);
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assertThrows(() => dtf.formatRangeToParts(date1, undefined), RangeError);
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assertThrows(() => dtf.formatRangeToParts("2019-1-3", date2), RangeError);
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assertThrows(() => dtf.formatRangeToParts(date1, "2019-5-4"), RangeError);
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assertThrows(() => dtf.formatRangeToParts(date2, date1), RangeError);
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assertDoesNotThrow(() =>dtf.formatRangeToParts(date1, date2));
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