1 /* $NetBSD: t_btowc.c,v 1.3 2017/08/10 19:08:43 perseant Exp $ */
2
3 /*-
4 * Copyright (c) 2017 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Konrad Schroder.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __COPYRIGHT("@(#) Copyright (c) 2017\
34 The NetBSD Foundation, inc. All rights reserved.");
35 __RCSID("$NetBSD: t_btowc.c,v 1.3 2017/08/10 19:08:43 perseant Exp $");
36
37 #include <locale.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <errno.h>
41 #include <string.h>
42 #include <wchar.h>
43
44 #include <atf-c.h>
45
46 struct test {
47 const char *locale;
48 const char *illegal; /* Illegal single-byte characters, if any */
49 const char *legal; /* Legal single-byte characters */
50 /* The next two are only used if __STDC_ISO_10646__ is defined */
51 const wchar_t wlegal[8]; /* The same characters, but in ISO-10646 */
52 const wchar_t willegal[8]; /* ISO-10646 that do not map into charset */
53 } tests[] = {
54 {
55 "en_US.UTF-8",
56 "\200",
57 "ABC123@\t",
58 { 'A', 'B', 'C', '1', '2', '3', '@', '\t' },
59 { 0xfdd0, 0x10fffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}
60 },
61 {
62 "ru_RU.KOI8-R",
63 "", /* No illegal characters in KOI8-R */
64 "A\xc2\xd7\xc7\xc4\xc5\xa3",
65 { 'A', 0x0431, 0x432, 0x0433, 0x0434, 0x0435, 0x0451, 0x0 },
66 { 0x00c5, 0x00e6, 0x00fe, 0x0630, 0x06fc, 0x56cd, 0x0, 0x0 }
67 },
68 {
69 NULL,
70 NULL,
71 NULL,
72 { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 },
73 { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 }
74 },
75 };
76
77 #ifdef __STDC_ISO_10646__
78 static void
h_iso10646(struct test * t)79 h_iso10646(struct test *t)
80 {
81 const char *cp;
82 int c, wc;
83 char *str;
84 const wchar_t *wcp;
85
86 ATF_REQUIRE_STREQ(setlocale(LC_ALL, "C"), "C");
87 printf("Trying locale: %s\n", t->locale);
88 ATF_REQUIRE(setlocale(LC_CTYPE, t->locale) != NULL);
89 ATF_REQUIRE((str = setlocale(LC_ALL, NULL)) != NULL);
90 (void)printf("Using locale: %s\n", str);
91
92 /* These should have valid wchar representations */
93 for (cp = t->legal, wcp = t->wlegal; *cp != '\0'; ++cp, ++wcp) {
94 c = (int)(unsigned char)*cp;
95 printf("Checking legal character 0x%x\n", c);
96 wc = btowc(c);
97
98 if (errno != 0)
99 printf(" btowc() failed with errno=%d\n", errno);
100
101 /* It should map to the known Unicode equivalent */
102 printf("btowc(0x%2.2x) = 0x%x, expecting 0x%x\n",
103 c, wc, *wcp);
104 ATF_REQUIRE(btowc(c) == *wcp);
105 }
106
107 /* These are invalid characters in the target set */
108 for (wcp = t->willegal; *wcp != '\0'; ++wcp) {
109 printf("Checking illegal wide character 0x%lx\n",
110 (unsigned long)*wcp);
111 ATF_REQUIRE_EQ(wctob(*wcp), EOF);
112 }
113 }
114 #endif
115
116 static void
h_btowc(struct test * t)117 h_btowc(struct test *t)
118 {
119 const char *cp;
120 unsigned char c;
121 char *str;
122 const wchar_t *wcp;
123
124 ATF_REQUIRE_STREQ(setlocale(LC_ALL, "C"), "C");
125 printf("Trying locale: %s\n", t->locale);
126 ATF_REQUIRE(setlocale(LC_CTYPE, t->locale) != NULL);
127 ATF_REQUIRE((str = setlocale(LC_ALL, NULL)) != NULL);
128 (void)printf("Using locale: %s\n", str);
129
130 /* btowc(EOF) -> WEOF */
131 ATF_REQUIRE_EQ(btowc(EOF), WEOF);
132
133 /* wctob(WEOF) -> EOF */
134 ATF_REQUIRE_EQ(wctob(WEOF), EOF);
135
136 /* Invalid in initial shift state -> WEOF */
137 for (cp = t->illegal; *cp != '\0'; ++cp) {
138 printf("Checking illegal character 0x%x\n",
139 (unsigned char)*cp);
140 ATF_REQUIRE_EQ(btowc(*cp), WEOF);
141 }
142
143 /* These should have valid wchar representations */
144 for (cp = t->legal; *cp != '\0'; ++cp) {
145 c = (unsigned char)*cp;
146 printf("Checking legal character 0x%x\n", c);
147
148 /* A legal character never maps to EOF */
149 ATF_REQUIRE(btowc(c) != WEOF);
150
151 /* And the mapping should be reversible */
152 printf("0x%x -> wide 0x%x -> 0x%x\n",
153 c, btowc(c), (unsigned char)wctob(btowc(c)));
154 ATF_REQUIRE_EQ(wctob(btowc(c)), c);
155 }
156 }
157
158 ATF_TC(btowc);
ATF_TC_HEAD(btowc,tc)159 ATF_TC_HEAD(btowc, tc)
160 {
161 atf_tc_set_md_var(tc, "descr", "Checks btowc(3) and wctob(3)");
162 }
ATF_TC_BODY(btowc,tc)163 ATF_TC_BODY(btowc, tc)
164 {
165 struct test *t;
166
167 for (t = tests; t->locale != NULL; ++t)
168 h_btowc(t);
169 }
170
171 ATF_TC(stdc_iso_10646);
ATF_TC_HEAD(stdc_iso_10646,tc)172 ATF_TC_HEAD(stdc_iso_10646, tc)
173 {
174 atf_tc_set_md_var(tc, "descr",
175 "Checks btowc(3) conversion to ISO10646");
176 }
ATF_TC_BODY(stdc_iso_10646,tc)177 ATF_TC_BODY(stdc_iso_10646, tc)
178 {
179 struct test *t;
180
181 #ifdef __STDC_ISO_10646__
182 for (t = tests; t->locale != NULL; ++t)
183 h_iso10646(t);
184 #else /* ! __STDC_ISO_10646__ */
185 atf_tc_skip("__STDC_ISO_10646__ not defined");
186 #endif /* ! __STDC_ISO_10646__ */
187 }
188
189 ATF_TC(btowc_posix);
ATF_TC_HEAD(btowc_posix,tc)190 ATF_TC_HEAD(btowc_posix, tc)
191 {
192 atf_tc_set_md_var(tc, "descr", "Checks btowc(3) and wctob(3) for POSIX locale");
193 }
ATF_TC_BODY(btowc_posix,tc)194 ATF_TC_BODY(btowc_posix, tc)
195 {
196 const char *cp;
197 unsigned char c;
198 char *str;
199 const wchar_t *wcp;
200 int i;
201
202 ATF_REQUIRE_STREQ(setlocale(LC_ALL, "POSIX"), "POSIX");
203
204 /* btowc(EOF) -> WEOF */
205 ATF_REQUIRE_EQ(btowc(EOF), WEOF);
206
207 /* wctob(WEOF) -> EOF */
208 ATF_REQUIRE_EQ(wctob(WEOF), EOF);
209
210 /* All characters from 0 to 255, inclusive, map
211 onto their unsigned char equivalent */
212 for (i = 0; i <= 255; i++) {
213 ATF_REQUIRE_EQ(btowc(i), (wchar_t)(unsigned char)(i));
214 ATF_REQUIRE_EQ((unsigned char)wctob(i), (wchar_t)i);
215 }
216 }
217
ATF_TP_ADD_TCS(tp)218 ATF_TP_ADD_TCS(tp)
219 {
220 ATF_TP_ADD_TC(tp, btowc);
221 ATF_TP_ADD_TC(tp, btowc_posix);
222 ATF_TP_ADD_TC(tp, stdc_iso_10646);
223
224 return atf_no_error();
225 }
226