1// Copyright 2014 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5Array.prototype[0] = 777;
6var kElements = 10;
7
8var input_array = [];
9for (var i = 1; i < kElements; i++) {
10  input_array[i] = 0.5;
11}
12var output_array = input_array.concat(0.5);
13
14assertEquals(kElements + 1, output_array.length);
15assertEquals(777, output_array[0]);
16for (var j = 1; j < kElements; j++) {
17  assertEquals(0.5, output_array[j]);
18}
19