mirror of https://github.com/tc39/test262.git
19 lines
763 B
JavaScript
19 lines
763 B
JavaScript
// Copyright (C) 2022 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-temporal.plainyearmonth
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description: Test for Temporal.PlainYearMonth subclassing.
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includes: [temporalHelpers.js]
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features: [Temporal]
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---*/
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class CustomPlainYearMonth extends Temporal.PlainYearMonth {
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}
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const instance = new CustomPlainYearMonth(2000, 5);
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TemporalHelpers.assertPlainYearMonth(instance, 2000, 5, "M05");
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assert.sameValue(Object.getPrototypeOf(instance), CustomPlainYearMonth.prototype, "Instance of CustomPlainYearMonth");
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assert(instance instanceof CustomPlainYearMonth, "Instance of CustomPlainYearMonth");
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assert(instance instanceof Temporal.PlainYearMonth, "Instance of Temporal.PlainYearMonth");
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