diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_5/Expressions/shell.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_5/Expressions/shell.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,103 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * Date: 07 February 2001
+ *
+ * Functionality common to Array testing -
+ */
+//-----------------------------------------------------------------------------
+
+
+var CHAR_LBRACKET = '[';
+var CHAR_RBRACKET = ']';
+var CHAR_QT_DBL = '"';
+var CHAR_QT = "'";
+var CHAR_NL = '\n';
+var CHAR_COMMA = ',';
+var CHAR_SPACE = ' ';
+var TYPE_STRING = typeof 'abc';
+
+
+/*
+ * If available, arr.toSource() gives more detail than arr.toString()
+ *
+ * var arr = Array(1,2,'3');
+ *
+ * arr.toSource()
+ * [1, 2, "3"]
+ *
+ * arr.toString()
+ * 1,2,3
+ *
+ * But toSource() doesn't exist in Rhino, so use our own imitation, below -
+ *
+ */
+function formatArray(arr)
+{
+  try
+  {
+    return arr.toSource();
+  }
+  catch(e)
+  {
+    return toSource(arr);
+  }
+}
+
+
+
+/*
+ * Imitate SpiderMonkey's arr.toSource() method:
+ *
+ * a) Double-quote each array element that is of string type
+ * b) Represent |undefined| and |null| by empty strings
+ * c) Delimit elements by a comma + single space
+ * d) Do not add delimiter at the end UNLESS the last element is |undefined|
+ * e) Add square brackets to the beginning and end of the string
+ */
+function toSource(arr)
+{
+  var delim = CHAR_COMMA + CHAR_SPACE;
+  var elt = '';
+  var ret = '';
+  var len = arr.length;
+
+  for (i=0; i<len; i++)
+  {
+    elt = arr[i];
+
+    switch(true)
+    {
+    case (typeof elt === TYPE_STRING) :
+      ret += doubleQuote(elt);
+      break;
+
+    case (elt === undefined || elt === null) :
+      break; // add nothing but the delimiter, below -
+
+    default:
+      ret += elt.toString();
+    }
+
+    if ((i < len-1) || (elt === undefined))
+      ret += delim;
+  }
+
+  return  CHAR_LBRACKET + ret + CHAR_RBRACKET;
+}
+
+
+function doubleQuote(text)
+{
+  return CHAR_QT_DBL + text + CHAR_QT_DBL;
+}
+
+
+function singleQuote(text)
+{
+  return CHAR_QT + text + CHAR_QT;
+}
+