1 /* Test of c32isspace() function.
2 Copyright (C) 2020-2023 Free Software Foundation, Inc.
3
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
16
17 #include <config.h>
18
19 #include <uchar.h>
20
21 #include "signature.h"
22 SIGNATURE_CHECK (c32isspace, int, (wint_t));
23
24 #include <locale.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <wchar.h>
28
29 #include "macros.h"
30
31 /* Returns the value of c32isspace for the multibyte character s[0..n-1]. */
32 static int
33 for_character (const char *s, size_t n)
34 {
35 mbstate_t state;
36 char32_t wc;
37 size_t ret;
38
39 memset (&state, '\0', sizeof (mbstate_t));
40 wc = (char32_t) 0xBADFACE;
41 ret = mbrtoc32 (&wc, s, n, &state);
42 ASSERT (ret == n);
43
44 return c32isspace (wc);
45 }
46
47 int
48 main (int argc, char *argv[])
49 {
50 int is;
51 char buf[4];
52
53 /* configure should already have checked that the locale is supported. */
54 if (setlocale (LC_ALL, "") == NULL)
55 return 1;
56
57 /* Test WEOF. */
58 is = c32isspace (WEOF);
59 ASSERT (is == 0);
60
61 /* Test single-byte characters.
62 POSIX specifies in
63 <https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap07.html>
64 that
65 - in all locales, the white-space characters include the <space>,
66 <form-feed>, <newline>, <carriage-return>, <tab>, <vertical-tab>
67 characters,
68 - in the "POSIX" locale (which is usually the same as the "C" locale),
69 the white-space characters include only the ASCII <space>, <form-feed>,
70 <newline>, <carriage-return>, <tab>, <vertical-tab> characters. */
71 {
72 int c;
73
74 for (c = 0; c < 0x100; c++)
75 switch (c)
76 {
77 case '\f': case '\n': case '\r': case '\t': case '\v':
78 case ' ': case '!': case '"': case '#': case '%':
79 case '&': case '\'': case '(': case ')': case '*':
80 case '+': case ',': case '-': case '.': case '/':
81 case '0': case '1': case '2': case '3': case '4':
82 case '5': case '6': case '7': case '8': case '9':
83 case ':': case ';': case '<': case '=': case '>':
84 case '?':
85 case 'A': case 'B': case 'C': case 'D': case 'E':
86 case 'F': case 'G': case 'H': case 'I': case 'J':
87 case 'K': case 'L': case 'M': case 'N': case 'O':
88 case 'P': case 'Q': case 'R': case 'S': case 'T':
89 case 'U': case 'V': case 'W': case 'X': case 'Y':
90 case 'Z':
91 case '[': case '\\': case ']': case '^': case '_':
92 case 'a': case 'b': case 'c': case 'd': case 'e':
93 case 'f': case 'g': case 'h': case 'i': case 'j':
94 case 'k': case 'l': case 'm': case 'n': case 'o':
95 case 'p': case 'q': case 'r': case 's': case 't':
96 case 'u': case 'v': case 'w': case 'x': case 'y':
97 case 'z': case '{': case '|': case '}': case '~':
98 /* c is in the ISO C "basic character set" or one of the explicitly
99 mentioned white-space characters. */
100 buf[0] = (unsigned char) c;
101 is = for_character (buf, 1);
102 switch (c)
103 {
104 case ' ': case '\f': case '\n': case '\r': case '\t': case '\v':
105 ASSERT (is != 0);
106 break;
107 default:
108 ASSERT (is == 0);
109 break;
110 }
111 break;
112 }
113 }
114
115 if (argc > 1)
116 switch (argv[1][0])
117 {
118 case '0':
119 /* C locale; tested above. */
120 return 0;
121
122 case '1':
123 /* Locale encoding is ISO-8859-1 or ISO-8859-15. */
124 {
125 /* U+00B7 MIDDLE DOT */
126 is = for_character ("\267", 1);
127 ASSERT (is == 0);
128 }
129 return 0;
130
131 case '2':
132 /* Locale encoding is EUC-JP. */
133 {
134 #if !(defined __FreeBSD__ || defined __DragonFly__)
135 /* U+3000 IDEOGRAPHIC SPACE */
136 is = for_character ("\241\241", 2);
137 ASSERT (is != 0);
138 #endif
139 /* U+3001 IDEOGRAPHIC COMMA */
140 is = for_character ("\241\242", 2);
141 ASSERT (is == 0);
142 }
143 return 0;
144
145 case '3':
146 /* Locale encoding is UTF-8. */
147 {
148 /* U+00B7 MIDDLE DOT */
149 is = for_character ("\302\267", 2);
150 ASSERT (is == 0);
151 /* U+2002 EN SPACE */
152 is = for_character ("\342\200\202", 3);
153 ASSERT (is != 0);
154 /* U+3000 IDEOGRAPHIC SPACE */
155 is = for_character ("\343\200\200", 3);
156 ASSERT (is != 0);
157 /* U+3001 IDEOGRAPHIC COMMA */
158 is = for_character ("\343\200\201", 3);
159 ASSERT (is == 0);
160 /* U+E0020 TAG SPACE */
161 is = for_character ("\363\240\200\240", 4);
162 ASSERT (is == 0);
163 }
164 return 0;
165
166 case '4':
167 /* Locale encoding is GB18030. */
168 #if (defined __GLIBC__ && __GLIBC__ == 2 && __GLIBC_MINOR__ >= 13 && __GLIBC_MINOR__ <= 15) || (GL_CHAR32_T_IS_UNICODE && (defined __NetBSD__ || defined __sun))
169 fputs ("Skipping test: The GB18030 converter in this system's iconv is broken.\n", stderr);
170 return 77;
171 #endif
172 {
173 /* U+00B7 MIDDLE DOT */
174 is = for_character ("\241\244", 2);
175 ASSERT (is == 0);
176 #if !(defined __FreeBSD__ || defined __DragonFly__ || defined __sun)
177 /* U+2002 EN SPACE */
178 is = for_character ("\201\066\243\070", 4);
179 ASSERT (is != 0);
180 #endif
181 #if !(defined __FreeBSD__ || defined __DragonFly__)
182 /* U+3000 IDEOGRAPHIC SPACE */
183 is = for_character ("\241\241", 2);
184 ASSERT (is != 0);
185 #endif
186 /* U+3001 IDEOGRAPHIC COMMA */
187 is = for_character ("\241\242", 2);
188 ASSERT (is == 0);
189 /* U+E0020 TAG SPACE */
190 is = for_character ("\323\066\231\060", 4);
191 ASSERT (is == 0);
192 }
193 return 0;
194
195 }
196
197 return 1;
198 }