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76ab0187c0
Add tests to make sure NumberFormat does not call the instanceof operator and calls OrdinaryHasInstance instead. Refs: https://github.com/tc39/ecma402/pull/500
17 lines
532 B
JavaScript
17 lines
532 B
JavaScript
// Copyright (C) 2021 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-Intl.NumberFormat.prototype.resolvedOptions
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description: >
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Tests that Intl.NumberFormat.prototype.resolvedOptions calls
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OrdinaryHasInstance instead of the instanceof operator which includes a
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Symbol.hasInstance lookup and call among other things.
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---*/
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Object.defineProperty(Intl.NumberFormat, Symbol.hasInstance, {
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get() { throw new Test262Error(); }
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});
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Intl.NumberFormat();
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