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Kmake/deps/v8/test/mjsunit/protector-cell/concat-spreadable.js.js
2026-05-26 23:36:42 -07:00

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JavaScript

// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
assertTrue(%IsConcatSpreadableProtector());
Object.defineProperty(Array, Symbol.isConcatSpreadable, { value: false });
assertFalse(%IsConcatSpreadableProtector());