// 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)); |