1 /*-
2 * Copyright (c) 2002 Tim J. Robbins
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 /*
28 * Test program for mbrtowc(), as specified by IEEE Std. 1003.1-2001 and
29 * ISO/IEC 9899:1999.
30 *
31 * The function is tested with both the "C" ("POSIX") LC_CTYPE setting and
32 * "ja_JP.eucJP". Other encodings are not tested.
33 */
34
35 #include <errno.h>
36 #include <limits.h>
37 #include <locale.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <wchar.h>
42
43 #include <atf-c.h>
44
45 ATF_TC_WITHOUT_HEAD(mbrtowc_test);
ATF_TC_BODY(mbrtowc_test,tc)46 ATF_TC_BODY(mbrtowc_test, tc)
47 {
48 mbstate_t s;
49 wchar_t wc;
50 char buf[MB_LEN_MAX + 1];
51
52 /*
53 * C/POSIX locale.
54 */
55
56 ATF_REQUIRE(MB_CUR_MAX == 1);
57
58 /* Null wide character, internal state. */
59 memset(buf, 0xcc, sizeof(buf));
60 buf[0] = 0;
61 ATF_REQUIRE(mbrtowc(&wc, buf, 1, NULL) == 0);
62 ATF_REQUIRE(wc == 0);
63
64 /* Null wide character. */
65 memset(&s, 0, sizeof(s));
66 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == 0);
67 ATF_REQUIRE(wc == 0);
68
69 /* Latin letter A, internal state. */
70 ATF_REQUIRE(mbrtowc(NULL, 0, 0, NULL) == 0);
71 buf[0] = 'A';
72 ATF_REQUIRE(mbrtowc(&wc, buf, 1, NULL) == 1);
73 ATF_REQUIRE(wc == L'A');
74
75 /* Latin letter A. */
76 memset(&s, 0, sizeof(s));
77 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == 1);
78 ATF_REQUIRE(wc == L'A');
79
80 /* Incomplete character sequence. */
81 wc = L'z';
82 memset(&s, 0, sizeof(s));
83 ATF_REQUIRE(mbrtowc(&wc, buf, 0, &s) == (size_t)-2);
84 ATF_REQUIRE(wc == L'z');
85
86 /* Check that mbrtowc() doesn't access the buffer when n == 0. */
87 wc = L'z';
88 memset(&s, 0, sizeof(s));
89 buf[0] = '\0';
90 ATF_REQUIRE(mbrtowc(&wc, buf, 0, &s) == (size_t)-2);
91 ATF_REQUIRE(wc == L'z');
92
93 /*
94 * Japanese (EUC) locale.
95 */
96
97 ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
98 ATF_REQUIRE(MB_CUR_MAX > 1);
99
100 /* Null wide character, internal state. */
101 ATF_REQUIRE(mbrtowc(NULL, 0, 0, NULL) == 0);
102 memset(buf, 0xcc, sizeof(buf));
103 buf[0] = 0;
104 ATF_REQUIRE(mbrtowc(&wc, buf, 1, NULL) == 0);
105 ATF_REQUIRE(wc == 0);
106
107 /* Null wide character. */
108 memset(&s, 0, sizeof(s));
109 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == 0);
110 ATF_REQUIRE(wc == 0);
111
112 /* Latin letter A, internal state. */
113 ATF_REQUIRE(mbrtowc(NULL, 0, 0, NULL) == 0);
114 buf[0] = 'A';
115 ATF_REQUIRE(mbrtowc(&wc, buf, 1, NULL) == 1);
116 ATF_REQUIRE(wc == L'A');
117
118 /* Latin letter A. */
119 memset(&s, 0, sizeof(s));
120 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == 1);
121 ATF_REQUIRE(wc == L'A');
122
123 /* Incomplete character sequence (zero length). */
124 wc = L'z';
125 memset(&s, 0, sizeof(s));
126 ATF_REQUIRE(mbrtowc(&wc, buf, 0, &s) == (size_t)-2);
127 ATF_REQUIRE(wc == L'z');
128
129 /* Incomplete character sequence (truncated double-byte). */
130 memset(buf, 0xcc, sizeof(buf));
131 buf[0] = 0xa3;
132 buf[1] = 0x00;
133 memset(&s, 0, sizeof(s));
134 wc = 0;
135 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == (size_t)-2);
136
137 /* Same as above, but complete. */
138 buf[1] = 0xc1;
139 memset(&s, 0, sizeof(s));
140 wc = 0;
141 ATF_REQUIRE(mbrtowc(&wc, buf, 2, &s) == 2);
142 ATF_REQUIRE(wc == 0xa3c1);
143
144 /* Test restarting behaviour. */
145 memset(buf, 0xcc, sizeof(buf));
146 buf[0] = 0xa3;
147 memset(&s, 0, sizeof(s));
148 wc = 0;
149 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == (size_t)-2);
150 ATF_REQUIRE(wc == 0);
151 buf[0] = 0xc1;
152 ATF_REQUIRE(mbrtowc(&wc, buf, 1, &s) == 1);
153 ATF_REQUIRE(wc == 0xa3c1);
154 }
155
ATF_TP_ADD_TCS(tp)156 ATF_TP_ADD_TCS(tp)
157 {
158
159 ATF_TP_ADD_TC(tp, mbrtowc_test);
160
161 return (atf_no_error());
162 }
163