1/*
2* The contents of this file are subject to the Netscape Public
3* License Version 1.1 (the "License"); you may not use this file
4* except in compliance with the License. You may obtain a copy of
5* the License at http://www.mozilla.org/NPL/
6*
7* Software distributed under the License is distributed on an "AS  IS"
8* basis, WITHOUT WARRANTY OF ANY KIND, either expressed
9* or implied. See the License for the specific language governing
10* rights and limitations under the License.
11*
12* The Original Code is mozilla.org code.
13*
14* The Initial Developer of the Original Code is Netscape
15* Communications Corporation.  Portions created by Netscape are
16* Copyright (C) 1998 Netscape Communications Corporation.
17* All Rights Reserved.
18*
19* Contributor(s): pschwartau@netscape.com
20* Date: 07 February 2001
21*
22* Functionality common to Array testing -
23*/
24//-------------------------------------------------------------------------------------------------
25var CHAR_LBRACKET = '[';
26var CHAR_RBRACKET = ']';
27var CHAR_QT_DBL = '"';
28var CHAR_QT = "'";
29var CHAR_NL = '\n';
30var CHAR_COMMA = ',';
31var CHAR_SPACE = ' ';
32var TYPE_STRING = typeof 'abc';
33
34
35/*
36 * If available, arr.toSource() gives more detail than arr.toString()
37 *
38 * var arr = Array(1,2,'3');
39 *
40 * arr.toSource()
41 * [1, 2, "3"]
42 *
43 * arr.toString()
44 * 1,2,3
45 *
46 * But toSource() doesn't exist in Rhino, so use our own imitation, below -
47 *
48 */
49function formatArray(arr)
50{
51  try
52  {
53    return arr.toSource();
54  }
55  catch(e)
56  {
57    return toSource(arr);
58  }
59}
60
61
62
63/*
64 * Imitate SpiderMonkey's arr.toSource() method:
65 *
66 * a) Double-quote each array element that is of string type
67 * b) Represent |undefined| and |null| by empty strings
68 * c) Delimit elements by a comma + single space
69 * d) Do not add delimiter at the end UNLESS the last element is |undefined|
70 * e) Add square brackets to the beginning and end of the string
71 */
72function toSource(arr)
73{
74  var delim = CHAR_COMMA + CHAR_SPACE;
75  var elt = '';
76  var ret = '';
77  var len = arr.length;
78
79  for (i=0; i<len; i++)
80  {
81    elt = arr[i];
82
83    switch(true)
84    {
85      case (typeof elt === TYPE_STRING) :
86        ret += doubleQuote(elt);
87        break;
88
89      case (elt === undefined || elt === null) :
90        break; // add nothing but the delimiter, below -
91
92      default:
93        ret += elt.toString();
94    }
95
96    if ((i < len-1) || (elt === undefined))
97      ret += delim;
98  }
99
100  return  CHAR_LBRACKET + ret + CHAR_RBRACKET;
101}
102
103
104function doubleQuote(text)
105{
106  return CHAR_QT_DBL + text + CHAR_QT_DBL;
107}
108
109
110function singleQuote(text)
111{
112  return CHAR_QT + text + CHAR_QT;
113}
114