// 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()); // Setting toString on a string wrapper doesn't invalidated the protector // and also doesn't change the concatenation result. let x = new String('old'); x.toString = () => { return 'new1'; } // Neither does setting toString on String.prototype. String.prototype.toString = () => { return 'new2'; } // Neither does setting toString on Object.prototype. Object.prototype.toString = () => { return 'new3'; } assertTrue(%StringWrapperToPrimitiveProtector()); assertEquals('got old', 'got ' + x);