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18 lines
646 B
JavaScript
18 lines
646 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.timezone
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description: Test for Temporal.TimeZone subclassing.
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features: [Temporal]
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---*/
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class CustomTimeZone extends Temporal.TimeZone {
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}
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const instance = new CustomTimeZone("UTC");
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assert.sameValue(instance.toString(), "UTC");
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assert.sameValue(Object.getPrototypeOf(instance), CustomTimeZone.prototype, "Instance of CustomTimeZone");
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assert(instance instanceof CustomTimeZone, "Instance of CustomTimeZone");
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assert(instance instanceof Temporal.TimeZone, "Instance of Temporal.TimeZone");
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