f1e0b83e7bPR-URL: https://github.com/nodejs/node/pull/61898 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Filip Skokan <panva.ip@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
34 lines
925 B
JavaScript
34 lines
925 B
JavaScript
// Copyright 2026 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --js-sum-precise --allow-natives-syntax
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function assertSum(expected, iterable) {
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let res = Math.sumPrecise(iterable);
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assertEquals(expected, res);
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}
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// Overriding Array Iterator (Global pollution check)
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(function TestOverriddenArrayIterator() {
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let x = [1, 2, 3];
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let originalIter = Array.prototype[Symbol.iterator];
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try {
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Array.prototype[Symbol.iterator] = function() {
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let done = false;
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return {
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next() {
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if (!done) {
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done = true;
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return { value: 42, done: false };
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} else {
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return { value: undefined, done: true };
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}
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}
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};
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};
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assertSum(42, x);
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} finally {
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Array.prototype[Symbol.iterator] = originalIter;
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}
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})();
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