1 /* ***** BEGIN LICENSE BLOCK *****
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2 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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14 * The Original Code is mozilla.org code.
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16 * The Initial Developer of the Original Code is
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17 * Netscape Communications Corporation.
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18 * Portions created by the Initial Developer are Copyright (C) 1998
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19 * the Initial Developer. All Rights Reserved.
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22 * pschwartau@netscape.com
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24 * Alternatively, the contents of this file may be used under the terms of
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25 * either the GNU General Public License Version 2 or later (the "GPL"), or
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34 * the terms of any one of the MPL, the GPL or the LGPL.
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36 * ***** END LICENSE BLOCK *****
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38 * Date: 26 November 2000
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41 *SUMMARY: Passing a RegExp object to a RegExp() constructor.
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42 *This test arose from Bugzilla bug 61266. The ECMA3 section is:
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44 * 15.10.4.1 new RegExp(pattern, flags)
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46 * If pattern is an object R whose [[Class]] property is "RegExp" and
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47 * flags is undefined, then let P be the pattern used to construct R
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48 * and let F be the flags used to construct R. If pattern is an object R
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49 * whose [[Class]] property is "RegExp" and flags is not undefined,
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50 * then throw a TypeError exception. Otherwise, let P be the empty string
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51 * if pattern is undefined and ToString(pattern) otherwise, and let F be
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52 * the empty string if flags is undefined and ToString(flags) otherwise.
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55 *The current test will check the first scenario outlined above:
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57 * "pattern" is itself a RegExp object R
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58 * "flags" is undefined
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60 * We check that a new RegExp object obj2 defined from these parameters
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61 * is morally the same as the original RegExp object obj1. Of course, they
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62 * can't be equal as objects - so we check their enumerable properties...
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64 * In this test, the initial RegExp object obj1 will not include a flag. The flags
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65 * parameter for obj2 will be undefined in the sense of not being provided.
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67 //-------------------------------------------------------------------------------------------------
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69 var summary = 'Passing a RegExp object to a RegExp() constructor';
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70 var statprefix = 'Applying RegExp() twice to pattern ';
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71 var statsuffix = '; testing property ';
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72 var singlequote = "'";
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73 var i = -1; var s = '';
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74 var obj1 = {}; var obj2 = {};
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75 var status = ''; var actual = ''; var expect = ''; var msg = '';
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76 var patterns = new Array();
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79 // various regular expressions to try -
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81 patterns[1] = 'abc';
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82 patterns[2] = '(.*)(3-1)\s\w';
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83 patterns[3] = '(.*)(...)\\s\\w';
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84 patterns[4] = '[^A-Za-z0-9_]';
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85 patterns[5] = '[^\f\n\r\t\v](123.5)([4 - 8]$)';
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89 //-------------------------------------------------------------------------------------------------
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91 //-------------------------------------------------------------------------------------------------
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96 enterFunc ('test');
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97 printBugNumber (bug);
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98 printStatus (summary);
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100 for (i in patterns)
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103 status =getStatus(s);
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104 obj1 = new RegExp(s);
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105 obj2 = new RegExp(obj1);
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109 msg = status + quote(prop);
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110 actual = obj2[prop];
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111 expect = obj1[prop];
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112 reportCompare (expect, actual, msg);
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120 function getStatus(regexp)
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122 return (statprefix + quote(regexp) + statsuffix);
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126 function quote(text)
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128 return (singlequote + text + singlequote);
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