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Kmake/deps/v8/test/mjsunit/es6/array-concat-arraylike-negative-length.js
2026-05-26 23:36:42 -07:00

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427 B
JavaScript

// 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": -6,
"1": "A",
"3": "B",
"5": "C"
};
obj[Symbol.isConcatSpreadable] = true;
assertEquals([], [].concat(obj));
obj.length = -6.7;
assertEquals([], [].concat(obj));
obj.length = "-6";
assertEquals([], [].concat(obj));