JSTests/ChakraCore/test/Array/memcopy_length_bug.js

//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------

var func2 = function () {
  var v5 = ary.length;
  for (var i = -1; i < v5; i++) {
    dst[i] = ary[i];
  }
};
var dst = Array();
var ary = Array();
ary.length = 100;
ary[0] = 15;
ary[1] = 178;
ary[2] = 987;

func2();
if (
  dst.length !== 100 ||
  dst[0] !== 15 ||
  dst[1] !== 178 ||
  dst[2] !== 987
) {
  print("FAILED");
} else {
  print("PASSED");
}