regress-219.js revision a7e24c173cf37484693b9abb38e494fa7bd7baeb 
1// Copyright 2008 the V8 project authors. All rights reserved.
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27
28// Tests handling of flags for regexps.
29
30// We should now allow duplicates of flags.
31// (See http://code.google.com/p/v8/issues/detail?id=219)
32
33// Base tests: we recognize the basic flags
34
35function assertFlags(re, global, multiline, ignoreCase) {
36  var name = re + " flag: ";
37  (global ? assertTrue : assertFalse)(re.global, name + "g");
38  (multiline ? assertTrue : assertFalse)(re.multiline, name + "m");
39  (ignoreCase ? assertTrue : assertFalse)(re.ignoreCase, name + "i");
40}
41
42var re = /a/;
43assertFlags(re, false, false, false)
44
45re = /a/gim;
46assertFlags(re, true, true, true)
47
48re = RegExp("a","");
49assertFlags(re, false, false, false)
50
51re = RegExp("a", "gim");
52assertFlags(re, true, true, true)
53
54// Double i's
55
56re = /a/ii;
57assertFlags(re, false, false, true)
58
59re = /a/gii;
60assertFlags(re, true, false, true)
61
62re = /a/igi;
63assertFlags(re, true, false, true)
64
65re = /a/iig;
66assertFlags(re, true, false, true)
67
68re = /a/gimi;
69assertFlags(re, true, true, true)
70
71re = /a/giim;
72assertFlags(re, true, true, true)
73
74re = /a/igim;
75assertFlags(re, true, true, true)
76
77
78re = RegExp("a", "ii");
79assertFlags(re, false, false, true)
80
81re = RegExp("a", "gii");
82assertFlags(re, true, false, true)
83
84re = RegExp("a", "igi");
85assertFlags(re, true, false, true)
86
87re = RegExp("a", "iig");
88assertFlags(re, true, false, true)
89
90re = RegExp("a", "gimi");
91assertFlags(re, true, true, true)
92
93re = RegExp("a", "giim");
94assertFlags(re, true, true, true)
95
96re = RegExp("a", "igim");
97assertFlags(re, true, true, true)
98
99// Tripple i's
100
101re = /a/iii;
102assertFlags(re, false, false, true)
103
104re = /a/giii;
105assertFlags(re, true, false, true)
106
107re = /a/igii;
108assertFlags(re, true, false, true)
109
110re = /a/iigi;
111assertFlags(re, true, false, true)
112
113re = /a/iiig;
114assertFlags(re, true, false, true)
115
116re = /a/miiig;
117assertFlags(re, true, true, true)
118
119
120re = RegExp("a", "iii");
121assertFlags(re, false, false, true)
122
123re = RegExp("a", "giii");
124assertFlags(re, true, false, true)
125
126re = RegExp("a", "igii");
127assertFlags(re, true, false, true)
128
129re = RegExp("a", "iigi");
130assertFlags(re, true, false, true)
131
132re = RegExp("a", "iiig");
133assertFlags(re, true, false, true)
134
135re = RegExp("a", "miiig");
136assertFlags(re, true, true, true)
137
138// Illegal flags - flags late in string.
139
140re = /a/arglebargleglopglyf;
141assertFlags(re, true, false, false)
142
143re = /a/arglebargleglopglif;
144assertFlags(re, true, false, true)
145
146re = /a/arglebargleglopglym;
147assertFlags(re, true, true, false)
148
149re = /a/arglebargleglopglim;
150assertFlags(re, true, true, true)
151
152// Case of flags still matters.
153
154re = /a/gmi;
155assertFlags(re, true, true, true)
156
157re = /a/Gmi;
158assertFlags(re, false, true, true)
159
160re = /a/gMi;
161assertFlags(re, true, false, true)
162
163re = /a/gmI;
164assertFlags(re, true, true, false)
165
166re = /a/GMi;
167assertFlags(re, false, false, true)
168
169re = /a/GmI;
170assertFlags(re, false, true, false)
171
172re = /a/gMI;
173assertFlags(re, true, false, false)
174
175re = /a/GMI;
176assertFlags(re, false, false, false)
177