node/deps/v8/test/mjsunit/omit-default-ctors-array-iterator.js
Michaël Zasso 7772a2df9d
deps: update V8 to 14.1.146.11
PR-URL: https://github.com/nodejs/node/pull/59805
Reviewed-By: Filip Skokan <panva.ip@gmail.com>
Reviewed-By: Richard Lau <richard.lau@ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
2025-10-04 18:47:18 +02:00

26 lines
736 B
JavaScript

// Copyright 2025 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
(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"
// do *not* use the iterator.
assertEquals(0, iterationCount);
Array.prototype[Symbol.iterator] = oldIterator;
})();