1 /* Test of c32iscntrl() 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 (c32iscntrl, 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 c32iscntrl 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 c32iscntrl (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 = c32iscntrl (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 no explicit list of control characters. */
65 {
66 int c;
67
68 for (c = 0; c < 0x100; c++)
69 switch (c)
70 {
71 case '\t': case '\v': case '\f':
72 case ' ': case '!': case '"': case '#': case '%':
73 case '&': case '\'': case '(': case ')': case '*':
74 case '+': case ',': case '-': case '.': case '/':
75 case '0': case '1': case '2': case '3': case '4':
76 case '5': case '6': case '7': case '8': case '9':
77 case ':': case ';': case '<': case '=': case '>':
78 case '?':
79 case 'A': case 'B': case 'C': case 'D': case 'E':
80 case 'F': case 'G': case 'H': case 'I': case 'J':
81 case 'K': case 'L': case 'M': case 'N': case 'O':
82 case 'P': case 'Q': case 'R': case 'S': case 'T':
83 case 'U': case 'V': case 'W': case 'X': case 'Y':
84 case 'Z':
85 case '[': case '\\': case ']': case '^': case '_':
86 case 'a': case 'b': case 'c': case 'd': case 'e':
87 case 'f': case 'g': case 'h': case 'i': case 'j':
88 case 'k': case 'l': case 'm': case 'n': case 'o':
89 case 'p': case 'q': case 'r': case 's': case 't':
90 case 'u': case 'v': case 'w': case 'x': case 'y':
91 case 'z': case '{': case '|': case '}': case '~':
92 /* c is in the ISO C "basic character set". */
93 buf[0] = (unsigned char) c;
94 is = for_character (buf, 1);
95 switch (c)
96 {
97 case '\t': case '\v': case '\f':
98 ASSERT (is != 0);
99 break;
100 default:
101 ASSERT (is == 0);
102 break;
103 }
104 break;
105 }
106 }
107
108 if (argc > 1)
109 switch (argv[1][0])
110 {
111 case '0':
112 /* C locale; tested above. */
113 return 0;
114
115 case '1':
116 /* Locale encoding is ISO-8859-1 or ISO-8859-15. */
117 {
118 /* U+007F <control> */
119 is = for_character ("\177", 1);
120 ASSERT (is != 0);
121 /* U+00A0 NO-BREAK SPACE */
122 is = for_character ("\240", 1);
123 ASSERT (is == 0);
124 }
125 return 0;
126
127 case '2':
128 /* Locale encoding is EUC-JP. */
129 {
130 /* U+007F <control> */
131 is = for_character ("\177", 1);
132 ASSERT (is != 0);
133 /* U+3000 IDEOGRAPHIC SPACE */
134 is = for_character ("\241\241", 2);
135 ASSERT (is == 0);
136 }
137 return 0;
138
139 case '3':
140 /* Locale encoding is UTF-8. */
141 {
142 /* U+007F <control> */
143 is = for_character ("\177", 1);
144 ASSERT (is != 0);
145 /* U+00A0 NO-BREAK SPACE */
146 is = for_character ("\302\240", 2);
147 ASSERT (is == 0);
148 #if !(defined __GLIBC__ || defined MUSL_LIBC || (defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __NetBSD__ || defined _AIX || defined __sun || defined __CYGWIN__)
149 /* U+202E RIGHT-TO-LEFT OVERRIDE */
150 is = for_character ("\342\200\256", 3);
151 ASSERT (is != 0);
152 #endif
153 /* U+3000 IDEOGRAPHIC SPACE */
154 is = for_character ("\343\200\200", 3);
155 ASSERT (is == 0);
156 #if !(defined __GLIBC__ || defined MUSL_LIBC || (defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __NetBSD__ || defined _AIX || defined __sun || defined __CYGWIN__)
157 /* U+FEFF ZERO WIDTH NO-BREAK SPACE */
158 is = for_character ("\357\273\277", 3);
159 ASSERT (is != 0);
160 #endif
161 /* U+20000 <CJK Ideograph> */
162 is = for_character ("\360\240\200\200", 4);
163 ASSERT (is == 0);
164 #if !(defined __GLIBC__ || defined MUSL_LIBC || (defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __NetBSD__ || defined _AIX || defined __sun || defined __CYGWIN__ || (defined _WIN32 && !defined __CYGWIN__))
165 /* U+E0001 LANGUAGE TAG */
166 is = for_character ("\363\240\200\201", 4);
167 ASSERT (is != 0);
168 #endif
169 }
170 return 0;
171
172 case '4':
173 /* Locale encoding is GB18030. */
174 #if (defined __GLIBC__ && __GLIBC__ == 2 && __GLIBC_MINOR__ >= 13 && __GLIBC_MINOR__ <= 15) || (GL_CHAR32_T_IS_UNICODE && (defined __NetBSD__ || defined __sun))
175 fputs ("Skipping test: The GB18030 converter in this system's iconv is broken.\n", stderr);
176 return 77;
177 #endif
178 {
179 /* U+007F <control> */
180 is = for_character ("\177", 1);
181 ASSERT (is != 0);
182 /* U+00A0 NO-BREAK SPACE */
183 is = for_character ("\201\060\204\062", 4);
184 ASSERT (is == 0);
185 #if !(defined __GLIBC__ || (defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __sun)
186 /* U+202E RIGHT-TO-LEFT OVERRIDE */
187 is = for_character ("\201\066\247\061", 4);
188 ASSERT (is != 0);
189 #endif
190 /* U+3000 IDEOGRAPHIC SPACE */
191 is = for_character ("\241\241", 2);
192 ASSERT (is == 0);
193 #if !(defined __GLIBC__ || (defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __sun)
194 /* U+FEFF ZERO WIDTH NO-BREAK SPACE */
195 is = for_character ("\204\061\225\063", 4);
196 ASSERT (is != 0);
197 #endif
198 /* U+20000 <CJK Ideograph> */
199 is = for_character ("\225\062\202\066", 4);
200 ASSERT (is == 0);
201 #if !(defined __GLIBC__ || (defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __NetBSD__ || defined __sun)
202 /* U+E0001 LANGUAGE TAG */
203 is = for_character ("\323\066\225\071", 4);
204 ASSERT (is != 0);
205 #endif
206 }
207 return 0;
208
209 }
210
211 return 1;
212 }