node/deps/v8/test/mjsunit/omit-default-ctors-array-iterator.js
Michaël Zasso 6bd756d7c6
deps: update V8 to 10.7.193.13
PR-URL: https://github.com/nodejs/node/pull/44741
Fixes: https://github.com/nodejs/node/issues/44650
Fixes: https://github.com/nodejs/node/issues/37472
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
2022-10-11 07:24:33 +02:00

29 lines
841 B
JavaScript

// Copyright 2022 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: --omit-default-ctors --no-turbofan --no-always-turbofan
// TODO(v8:13091): Enable TurboFan.
// This behavior is not spec compliant, see crbug.com/v8/13249.
(function ArrayIteratorMonkeyPatched() {
let iterationCount = 0;
const oldIterator = Array.prototype[Symbol.iterator];
Array.prototype[Symbol.iterator] =
function () { ++iterationCount; return oldIterator.call(this); };
class A {}
class B extends A {}
class C extends B {}
assertEquals(0, iterationCount);
new C();
// C default ctor doing "...args" and B default ctor doing "...args".
assertEquals(2, iterationCount);
Array.prototype[Symbol.iterator] = oldIterator;
})();