c2795bd790
Implement https://github.com/tc39/ecma402/pull/500 For the legacy [optional] Unwrap*Format steps, use OrdinaryHasInstance instead of InstanceofOperator. ECMA402 agree w/ PR500 on 2021-1-14 Bug: v8:10981 Change-Id: Ic697aa245b11fecaf998127c009e59a821aaa01e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2444092 Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Reviewed-by: Shu-yu Guo <syg@chromium.org> Commit-Queue: Frank Tang <ftang@chromium.org> Cr-Commit-Position: refs/heads/master@{#72303}
16 lines
603 B
JavaScript
16 lines
603 B
JavaScript
// 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 ECMA402 PR 500 Use OrdinaryHasInstance in normative optional steps
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// https://github.com/tc39/ecma402/pull/500
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Object.defineProperty(Intl.DateTimeFormat, Symbol.hasInstance, {
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get() { throw new Error("Intl.DateTimeFormat[@@hasInstance] lookup"); }
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});
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var dtf;
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assertDoesNotThrow(() => dtf = new Intl.DateTimeFormat());
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assertDoesNotThrow(() => dtf.format(new Date()));
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assertDoesNotThrow(() => dtf.resolvedOptions());
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