| // 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. | |
| Array.prototype[0] = 777; | |
| var kElements = 10; | |
| var input_array = []; | |
| for (var i = 1; i < kElements; i++) { | |
| input_array[i] = 0.5; | |
| } | |
| var output_array = input_array.concat(0.5); | |
| assertEquals(kElements + 1, output_array.length); | |
| assertEquals(777, output_array[0]); | |
| for (var j = 1; j < kElements; j++) { | |
| assertEquals(0.5, output_array[j]); | |
| } |