mirror of
https://github.com/tc39/test262.git
synced 2025-05-05 15:30:32 +02:00
f6034ebe9f
Add tests to make sure DateTimeFormat does not call the instanceof operator and calls OrdinaryHasInstance instead. Refs: https://github.com/tc39/ecma402/pull/500
17 lines
540 B
JavaScript
17 lines
540 B
JavaScript
// Copyright (C) 2021 Igalia S.L. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
|
|
/*---
|
|
esid: sec-Intl.DateTimeFormat.prototype.resolvedOptions
|
|
description: >
|
|
Tests that Intl.DateTimeFormat.prototype.resolvedOptions calls
|
|
OrdinaryHasInstance instead of the instanceof operator which includes a
|
|
Symbol.hasInstance lookup and call among other things.
|
|
---*/
|
|
|
|
Object.defineProperty(Intl.DateTimeFormat, Symbol.hasInstance, {
|
|
get() { throw new Test262Error(); }
|
|
});
|
|
|
|
Intl.DateTimeFormat();
|