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Kmake/deps/v8/test/mjsunit/es6/array-concat-spreadable-sparse-object.js

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2026-05-26 23:36:42 -07:00
// Copyright 2014 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.
"use strict";
var obj = { length: 5 };
obj[Symbol.isConcatSpreadable] = true;
assertEquals(new Array(5), [].concat(obj));
obj.length = 4000;
assertEquals(new Array(4000), [].concat(obj));