nodejs/deps/v8/test/mjsunit/protector-cell/string-wrapper-to-primitive-17.js
Michaël Zasso 9d7cd9b864
deps: update V8 to 12.8.374.13
PR-URL: https://github.com/nodejs/node/pull/54077
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
2024-08-16 16:03:01 +02:00

25 lines
693 B
JavaScript

// 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());
class MyNotString {
[Symbol.toPrimitive]() {
return 'new';
}
}
let x = new MyNotString();
assertEquals('got new', 'got ' + x);
// Setting the toPrimitive symbol in a class unrelated to string wrappers won't
// invalidate the protector.
assertTrue(%StringWrapperToPrimitiveProtector());
// Also creating normal string wrappers won't invalidate the protector.
new String("nothing");
assertTrue(%StringWrapperToPrimitiveProtector());