1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <regex>
11 
12 // template <class charT> struct regex_traits;
13 
14 // template <class ForwardIterator>
15 //   char_class_type
16 //   lookup_classname(ForwardIterator first, ForwardIterator last,
17 //                    bool icase = false) const;
18 
19 #include <regex>
20 #include <cassert>
21 #include "test_iterators.h"
22 
23 template <class char_type>
24 void
test(const char_type * A,typename std::regex_traits<char_type>::char_class_type expected,bool icase=false)25 test(const char_type* A,
26      typename std::regex_traits<char_type>::char_class_type expected,
27      bool icase = false)
28 {
29     std::regex_traits<char_type> t;
30     typedef forward_iterator<const char_type*> F;
31     assert(t.lookup_classname(F(A), F(A + t.length(A)), icase) == expected);
32 }
33 
main()34 int main()
35 {
36     test("d", std::ctype_base::digit);
37     test("D", std::ctype_base::digit);
38     test("d", std::ctype_base::digit, true);
39     test("D", std::ctype_base::digit, true);
40 
41     test("w", std::regex_traits<char>::__regex_word | std::ctype_base::alnum
42                       | std::ctype_base::upper | std::ctype_base::lower);
43     test("W", std::regex_traits<char>::__regex_word | std::ctype_base::alnum
44                       | std::ctype_base::upper | std::ctype_base::lower);
45     test("w", std::regex_traits<char>::__regex_word | std::ctype_base::alnum
46                       | std::ctype_base::upper | std::ctype_base::lower, true);
47     test("W", std::regex_traits<char>::__regex_word | std::ctype_base::alnum
48                       | std::ctype_base::upper | std::ctype_base::lower, true);
49 
50     test("s", std::ctype_base::space);
51     test("S", std::ctype_base::space);
52     test("s", std::ctype_base::space, true);
53     test("S", std::ctype_base::space, true);
54 
55     test("alnum", std::ctype_base::alnum);
56     test("AlNum", std::ctype_base::alnum);
57     test("alnum", std::ctype_base::alnum, true);
58     test("AlNum", std::ctype_base::alnum, true);
59 
60     test("alpha", std::ctype_base::alpha);
61     test("Alpha", std::ctype_base::alpha);
62     test("alpha", std::ctype_base::alpha, true);
63     test("Alpha", std::ctype_base::alpha, true);
64 
65     test("blank", std::ctype_base::blank);
66     test("Blank", std::ctype_base::blank);
67     test("blank", std::ctype_base::blank, true);
68     test("Blank", std::ctype_base::blank, true);
69 
70     test("cntrl", std::ctype_base::cntrl);
71     test("Cntrl", std::ctype_base::cntrl);
72     test("cntrl", std::ctype_base::cntrl, true);
73     test("Cntrl", std::ctype_base::cntrl, true);
74 
75     test("digit", std::ctype_base::digit);
76     test("Digit", std::ctype_base::digit);
77     test("digit", std::ctype_base::digit, true);
78     test("Digit", std::ctype_base::digit, true);
79 
80     test("digit", std::ctype_base::digit);
81     test("DIGIT", std::ctype_base::digit);
82     test("digit", std::ctype_base::digit, true);
83     test("Digit", std::ctype_base::digit, true);
84 
85     test("graph", std::ctype_base::graph);
86     test("GRAPH", std::ctype_base::graph);
87     test("graph", std::ctype_base::graph, true);
88     test("Graph", std::ctype_base::graph, true);
89 
90     test("lower", std::ctype_base::lower);
91     test("LOWER", std::ctype_base::lower);
92     test("lower", std::ctype_base::lower | std::ctype_base::alpha, true);
93     test("Lower", std::ctype_base::lower | std::ctype_base::alpha, true);
94 
95     test("print", std::ctype_base::print);
96     test("PRINT", std::ctype_base::print);
97     test("print", std::ctype_base::print, true);
98     test("Print", std::ctype_base::print, true);
99 
100     test("punct", std::ctype_base::punct);
101     test("PUNCT", std::ctype_base::punct);
102     test("punct", std::ctype_base::punct, true);
103     test("Punct", std::ctype_base::punct, true);
104 
105     test("space", std::ctype_base::space);
106     test("SPACE", std::ctype_base::space);
107     test("space", std::ctype_base::space, true);
108     test("Space", std::ctype_base::space, true);
109 
110     test("upper", std::ctype_base::upper);
111     test("UPPER", std::ctype_base::upper);
112     test("upper", std::ctype_base::upper | std::ctype_base::alpha, true);
113     test("Upper", std::ctype_base::upper | std::ctype_base::alpha, true);
114 
115     test("xdigit", std::ctype_base::xdigit);
116     test("XDIGIT", std::ctype_base::xdigit);
117     test("xdigit", std::ctype_base::xdigit, true);
118     test("Xdigit", std::ctype_base::xdigit, true);
119 
120     test("dig", std::ctype_base::mask());
121     test("", std::ctype_base::mask());
122     test("digits", std::ctype_base::mask());
123 
124     test(L"d", std::ctype_base::digit);
125     test(L"D", std::ctype_base::digit);
126     test(L"d", std::ctype_base::digit, true);
127     test(L"D", std::ctype_base::digit, true);
128 
129     test(L"w", std::regex_traits<wchar_t>::__regex_word | std::ctype_base::alnum
130                       | std::ctype_base::upper | std::ctype_base::lower);
131     test(L"W", std::regex_traits<wchar_t>::__regex_word | std::ctype_base::alnum
132                       | std::ctype_base::upper | std::ctype_base::lower);
133     test(L"w", std::regex_traits<wchar_t>::__regex_word | std::ctype_base::alnum
134                       | std::ctype_base::upper | std::ctype_base::lower, true);
135     test(L"W", std::regex_traits<wchar_t>::__regex_word | std::ctype_base::alnum
136                       | std::ctype_base::upper | std::ctype_base::lower, true);
137 
138     test(L"s", std::ctype_base::space);
139     test(L"S", std::ctype_base::space);
140     test(L"s", std::ctype_base::space, true);
141     test(L"S", std::ctype_base::space, true);
142 
143     test(L"alnum", std::ctype_base::alnum);
144     test(L"AlNum", std::ctype_base::alnum);
145     test(L"alnum", std::ctype_base::alnum, true);
146     test(L"AlNum", std::ctype_base::alnum, true);
147 
148     test(L"alpha", std::ctype_base::alpha);
149     test(L"Alpha", std::ctype_base::alpha);
150     test(L"alpha", std::ctype_base::alpha, true);
151     test(L"Alpha", std::ctype_base::alpha, true);
152 
153     test(L"blank", std::ctype_base::blank);
154     test(L"Blank", std::ctype_base::blank);
155     test(L"blank", std::ctype_base::blank, true);
156     test(L"Blank", std::ctype_base::blank, true);
157 
158     test(L"cntrl", std::ctype_base::cntrl);
159     test(L"Cntrl", std::ctype_base::cntrl);
160     test(L"cntrl", std::ctype_base::cntrl, true);
161     test(L"Cntrl", std::ctype_base::cntrl, true);
162 
163     test(L"digit", std::ctype_base::digit);
164     test(L"Digit", std::ctype_base::digit);
165     test(L"digit", std::ctype_base::digit, true);
166     test(L"Digit", std::ctype_base::digit, true);
167 
168     test(L"digit", std::ctype_base::digit);
169     test(L"DIGIT", std::ctype_base::digit);
170     test(L"digit", std::ctype_base::digit, true);
171     test(L"Digit", std::ctype_base::digit, true);
172 
173     test(L"graph", std::ctype_base::graph);
174     test(L"GRAPH", std::ctype_base::graph);
175     test(L"graph", std::ctype_base::graph, true);
176     test(L"Graph", std::ctype_base::graph, true);
177 
178     test(L"lower", std::ctype_base::lower);
179     test(L"LOWER", std::ctype_base::lower);
180     test(L"lower", std::ctype_base::lower | std::ctype_base::alpha, true);
181     test(L"Lower", std::ctype_base::lower | std::ctype_base::alpha, true);
182 
183     test(L"print", std::ctype_base::print);
184     test(L"PRINT", std::ctype_base::print);
185     test(L"print", std::ctype_base::print, true);
186     test(L"Print", std::ctype_base::print, true);
187 
188     test(L"punct", std::ctype_base::punct);
189     test(L"PUNCT", std::ctype_base::punct);
190     test(L"punct", std::ctype_base::punct, true);
191     test(L"Punct", std::ctype_base::punct, true);
192 
193     test(L"space", std::ctype_base::space);
194     test(L"SPACE", std::ctype_base::space);
195     test(L"space", std::ctype_base::space, true);
196     test(L"Space", std::ctype_base::space, true);
197 
198     test(L"upper", std::ctype_base::upper);
199     test(L"UPPER", std::ctype_base::upper);
200     test(L"upper", std::ctype_base::upper | std::ctype_base::alpha, true);
201     test(L"Upper", std::ctype_base::upper | std::ctype_base::alpha, true);
202 
203     test(L"xdigit", std::ctype_base::xdigit);
204     test(L"XDIGIT", std::ctype_base::xdigit);
205     test(L"xdigit", std::ctype_base::xdigit, true);
206     test(L"Xdigit", std::ctype_base::xdigit, true);
207 
208     test(L"dig", std::ctype_base::mask());
209     test(L"", std::ctype_base::mask());
210     test(L"digits", std::ctype_base::mask());
211 }
212