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 5 Array.prototype[0] = 777; 6 var kElements = 10; 7 8 var input_array = []; 9 for (var i = 1; i < kElements; i++) { 10 input_array[i] = 0.5; 11 } 12 var output_array = input_array.concat(0.5); 13 14 assertEquals(kElements + 1, output_array.length); 15 assertEquals(777, output_array[0]); 16 for (var j = 1; j < kElements; j++) { 17 assertEquals(0.5, output_array[j]); 18 } 19