nodejs/deps/v8/test/mjsunit/protector-cell/string-wrapper-to-primitive-8.js

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// Copyright 2024 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(%StringWrapperToPrimitiveProtector());
let x = new String('old');
String.prototype.__proto__ = {
[Symbol.toPrimitive]() {
return 'new';
},
};
assertFalse(%StringWrapperToPrimitiveProtector());
assertEquals('got new', 'got ' + x);