/* * The contents of this file are subject to the Netscape Public * License Version 1.1 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either expressed * or implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. * All Rights Reserved. * * Contributor(s): pschwartau@netscape.com * 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; }