// 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"; | |
class NonArray { | |
constructor() { Array.apply(this, arguments); } | |
}; | |
var obj = new NonArray(1,2,3); | |
var result = Array.prototype.concat.call(obj, 4, 5, 6); | |
assertEquals(Array, result.constructor); | |
assertEquals([obj,4,5,6], result); | |
assertFalse(result instanceof NonArray); |