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 mbrlen(), 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(mbrlen_test);
ATF_TC_BODY(mbrlen_test,tc)46 ATF_TC_BODY(mbrlen_test, tc)
47 {
48 mbstate_t s;
49 char buf[MB_LEN_MAX + 1];
50
51 /* C/POSIX locale. */
52 ATF_REQUIRE(MB_CUR_MAX == 1);
53
54 /* Null wide character, internal state. */
55 memset(buf, 0xcc, sizeof(buf));
56 buf[0] = 0;
57 ATF_REQUIRE(mbrlen(buf, 1, NULL) == 0);
58
59 /* Null wide character. */
60 memset(&s, 0, sizeof(s));
61 ATF_REQUIRE(mbrlen(buf, 1, &s) == 0);
62
63 /* Latin letter A, internal state. */
64 ATF_REQUIRE(mbrlen(NULL, 0, NULL) == 0);
65 buf[0] = 'A';
66 ATF_REQUIRE(mbrlen(buf, 1, NULL) == 1);
67
68 /* Latin letter A. */
69 memset(&s, 0, sizeof(s));
70 ATF_REQUIRE(mbrlen(buf, 1, &s) == 1);
71
72 /* Incomplete character sequence. */
73 memset(&s, 0, sizeof(s));
74 ATF_REQUIRE(mbrlen(buf, 0, &s) == (size_t)-2);
75
76 /* Japanese (EUC) locale. */
77
78 ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
79 ATF_REQUIRE(MB_CUR_MAX > 1);
80
81 /* Null wide character, internal state. */
82 ATF_REQUIRE(mbrlen(NULL, 0, NULL) == 0);
83 memset(buf, 0xcc, sizeof(buf));
84 buf[0] = 0;
85 ATF_REQUIRE(mbrlen(buf, 1, NULL) == 0);
86
87 /* Null wide character. */
88 memset(&s, 0, sizeof(s));
89 ATF_REQUIRE(mbrlen(buf, 1, &s) == 0);
90
91 /* Latin letter A, internal state. */
92 ATF_REQUIRE(mbrlen(NULL, 0, NULL) == 0);
93 buf[0] = 'A';
94 ATF_REQUIRE(mbrlen(buf, 1, NULL) == 1);
95
96 /* Latin letter A. */
97 memset(&s, 0, sizeof(s));
98 ATF_REQUIRE(mbrlen(buf, 1, &s) == 1);
99
100 /* Incomplete character sequence (zero length). */
101 memset(&s, 0, sizeof(s));
102 ATF_REQUIRE(mbrlen(buf, 0, &s) == (size_t)-2);
103
104 /* Incomplete character sequence (truncated double-byte). */
105 memset(buf, 0xcc, sizeof(buf));
106 buf[0] = 0xa3;
107 buf[1] = 0x00;
108 memset(&s, 0, sizeof(s));
109 ATF_REQUIRE(mbrlen(buf, 1, &s) == (size_t)-2);
110
111 /* Same as above, but complete. */
112 buf[1] = 0xc1;
113 memset(&s, 0, sizeof(s));
114 ATF_REQUIRE(mbrlen(buf, 2, &s) == 2);
115 }
116
ATF_TP_ADD_TCS(tp)117 ATF_TP_ADD_TCS(tp)
118 {
119
120 ATF_TP_ADD_TC(tp, mbrlen_test);
121
122 return (atf_no_error());
123 }
124