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comparison: js/src/tests/ecma_3/extensions/shell.js

js/src/tests/ecma_3/extensions/shell.js

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TOR_BUG_3246
changeset 7
129ffea94266
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-1:000000000000 0:73129fc15c0d
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 /*
7 * Date: 07 February 2001
8 *
9 * Functionality common to RegExp testing -
10 */
11 //-----------------------------------------------------------------------------
12
13
14 var MSG_PATTERN = '\nregexp = ';
15 var MSG_STRING = '\nstring = ';
16 var MSG_EXPECT = '\nExpect: ';
17 var MSG_ACTUAL = '\nActual: ';
18 var ERR_LENGTH = '\nERROR !!! match arrays have different lengths:';
19 var ERR_MATCH = '\nERROR !!! regexp failed to give expected match array:';
20 var ERR_NO_MATCH = '\nERROR !!! regexp FAILED to match anything !!!';
21 var ERR_UNEXP_MATCH = '\nERROR !!! regexp MATCHED when we expected it to fail !!!';
22 var CHAR_LBRACKET = '[';
23 var CHAR_RBRACKET = ']';
24 var CHAR_QT_DBL = '"';
25 var CHAR_QT = "'";
26 var CHAR_NL = '\n';
27 var CHAR_COMMA = ',';
28 var CHAR_SPACE = ' ';
29 var TYPE_STRING = typeof 'abc';
30
31
32
33 function testRegExp(statuses, patterns, strings, actualmatches, expectedmatches)
34 {
35 var status = '';
36 var pattern = new RegExp();
37 var string = '';
38 var actualmatch = new Array();
39 var expectedmatch = new Array();
40 var state = '';
41 var lActual = -1;
42 var lExpect = -1;
43
44
45 for (var i=0; i != patterns.length; i++)
46 {
47 status = statuses[i];
48 pattern = patterns[i];
49 string = strings[i];
50 actualmatch=actualmatches[i];
51 expectedmatch=expectedmatches[i];
52 state = getState(status, pattern, string);
53
54 description = status;
55
56 if(actualmatch)
57 {
58 actual = formatArray(actualmatch);
59 if(expectedmatch)
60 {
61 // expectedmatch and actualmatch are arrays -
62 lExpect = expectedmatch.length;
63 lActual = actualmatch.length;
64
65 var expected = formatArray(expectedmatch);
66
67 if (lActual != lExpect)
68 {
69 reportCompare(lExpect, lActual,
70 state + ERR_LENGTH +
71 MSG_EXPECT + expected +
72 MSG_ACTUAL + actual +
73 CHAR_NL
74 );
75 continue;
76 }
77
78 // OK, the arrays have same length -
79 if (expected != actual)
80 {
81 reportCompare(expected, actual,
82 state + ERR_MATCH +
83 MSG_EXPECT + expected +
84 MSG_ACTUAL + actual +
85 CHAR_NL
86 );
87 }
88 else
89 {
90 reportCompare(expected, actual, state)
91 }
92
93 }
94 else //expectedmatch is null - that is, we did not expect a match -
95 {
96 expected = expectedmatch;
97 reportCompare(expected, actual,
98 state + ERR_UNEXP_MATCH +
99 MSG_EXPECT + expectedmatch +
100 MSG_ACTUAL + actual +
101 CHAR_NL
102 );
103 }
104
105 }
106 else // actualmatch is null
107 {
108 if (expectedmatch)
109 {
110 actual = actualmatch;
111 reportCompare(expected, actual,
112 state + ERR_NO_MATCH +
113 MSG_EXPECT + expectedmatch +
114 MSG_ACTUAL + actualmatch +
115 CHAR_NL
116 );
117 }
118 else // we did not expect a match
119 {
120 // Being ultra-cautious. Presumably expectedmatch===actualmatch===null
121 expected = expectedmatch;
122 actual = actualmatch;
123 reportCompare (expectedmatch, actualmatch, state);
124 }
125 }
126 }
127 }
128
129
130 function getState(status, pattern, string)
131 {
132 /*
133 * Escape \n's, etc. to make them LITERAL in the presentation string.
134 * We don't have to worry about this in |pattern|; such escaping is
135 * done automatically by pattern.toString(), invoked implicitly below.
136 *
137 * One would like to simply do: string = string.replace(/(\s)/g, '\$1').
138 * However, the backreference $1 is not a literal string value,
139 * so this method doesn't work.
140 *
141 * Also tried string = string.replace(/(\s)/g, escape('$1'));
142 * but this just inserts the escape of the literal '$1', i.e. '%241'.
143 */
144 string = string.replace(/\n/g, '\\n');
145 string = string.replace(/\r/g, '\\r');
146 string = string.replace(/\t/g, '\\t');
147 string = string.replace(/\v/g, '\\v');
148 string = string.replace(/\f/g, '\\f');
149
150 return (status + MSG_PATTERN + pattern + MSG_STRING + singleQuote(string));
151 }
152
153
154 /*
155 * If available, arr.toSource() gives more detail than arr.toString()
156 *
157 * var arr = Array(1,2,'3');
158 *
159 * arr.toSource()
160 * [1, 2, "3"]
161 *
162 * arr.toString()
163 * 1,2,3
164 *
165 * But toSource() doesn't exist in Rhino, so use our own imitation, below -
166 *
167 */
168 function formatArray(arr)
169 {
170 try
171 {
172 return arr.toSource();
173 }
174 catch(e)
175 {
176 return toSource(arr);
177 }
178 }
179
180
181 /*
182 * Imitate SpiderMonkey's arr.toSource() method:
183 *
184 * a) Double-quote each array element that is of string type
185 * b) Represent |undefined| and |null| by empty strings
186 * c) Delimit elements by a comma + single space
187 * d) Do not add delimiter at the end UNLESS the last element is |undefined|
188 * e) Add square brackets to the beginning and end of the string
189 */
190 function toSource(arr)
191 {
192 var delim = CHAR_COMMA + CHAR_SPACE;
193 var elt = '';
194 var ret = '';
195 var len = arr.length;
196
197 for (i=0; i<len; i++)
198 {
199 elt = arr[i];
200
201 switch(true)
202 {
203 case (typeof elt === TYPE_STRING) :
204 ret += doubleQuote(elt);
205 break;
206
207 case (elt === undefined || elt === null) :
208 break; // add nothing but the delimiter, below -
209
210 default:
211 ret += elt.toString();
212 }
213
214 if ((i < len-1) || (elt === undefined))
215 ret += delim;
216 }
217
218 return CHAR_LBRACKET + ret + CHAR_RBRACKET;
219 }
220
221
222 function doubleQuote(text)
223 {
224 return CHAR_QT_DBL + text + CHAR_QT_DBL;
225 }
226
227
228 function singleQuote(text)
229 {
230 return CHAR_QT + text + CHAR_QT;
231 }
232

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