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/
7 * Software distributed under the License is distributed on an "AS
8 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
9 * implied. See the License for the specific language governing
10 * rights and limitations under the License.
12 * The Original Code is mozilla.org code.
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. All
19 * Contributor(s): pschwartau@netscape.com
20 * Date: 26 November 2000
23 *SUMMARY: Passing a RegExp object to a RegExp() constructor.
24 *This test arose from Bugzilla bug 61266. The ECMA3 section is:
26 * 15.10.4.1 new RegExp(pattern, flags)
28 * If pattern is an object R whose [[Class]] property is "RegExp" and
29 * flags is undefined, then let P be the pattern used to construct R
30 * and let F be the flags used to construct R. If pattern is an object R
31 * whose [[Class]] property is "RegExp" and flags is not undefined,
32 * then throw a TypeError exception. Otherwise, let P be the empty string
33 * if pattern is undefined and ToString(pattern) otherwise, and let F be
34 * the empty string if flags is undefined and ToString(flags) otherwise.
37 *The current test will check the first scenario outlined above:
39 * "pattern" is itself a RegExp object R
40 * "flags" is undefined
42 * We check that a new RegExp object obj2 defined from these parameters
43 * is morally the same as the original RegExp object obj1. Of course, they
44 * can't be equal as objects - so we check their enumerable properties...
46 * In this test, the initial RegExp obj1 will include a flag. The flags
47 * parameter for obj2 will be undefined in the sense of not being provided.
49 //-------------------------------------------------------------------------------------------------
51 var summary = 'Passing a RegExp object to a RegExp() constructor';
52 var statprefix = 'Applying RegExp() twice to pattern ';
53 var statmiddle = ' and flag ';
54 var statsuffix = '; testing property ';
55 var singlequote = "'";
56 var i = -1; var j = -1; var s = '';
57 var obj1 = {}; var obj2 = {};
58 var status = ''; var actual = ''; var expect = ''; var msg = '';
59 var patterns = new Array();
60 var flags = new Array();
63 // various regular expressions to try -
66 patterns[2] = '(.*)(3-1)\s\w';
67 patterns[3] = '(.*)(...)\\s\\w';
68 patterns[4] = '[^A-Za-z0-9_]';
69 patterns[5] = '[^\f\n\r\t\v](123.5)([4 - 8]$)';
71 // various flags to try -
79 //-------------------------------------------------------------------------------------------------
81 //-------------------------------------------------------------------------------------------------
88 printStatus (summary);
97 status = getStatus(s, f);
98 obj1 = new RegExp(s, f);
99 obj2 = new RegExp(obj1);
103 msg = status + quote(prop);
106 reportCompare (expect, actual, msg);
115 function getStatus(regexp, flag)
117 return (statprefix + quote(regexp) + statmiddle + flag + statsuffix);
123 return (singlequote + text + singlequote);