1 /*-
2 * Copyright (c) 2002-2004 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 mblen(), as specified by IEEE Std. 1003.1-2001 and
29 * ISO/IEC 9899:1990.
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 <limits.h>
36 #include <locale.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40
41 #include <atf-c.h>
42
43 ATF_TC_WITHOUT_HEAD(mblen_test);
ATF_TC_BODY(mblen_test,tc)44 ATF_TC_BODY(mblen_test, tc)
45 {
46 char buf[MB_LEN_MAX + 1];
47
48 /*
49 * C/POSIX locale.
50 */
51
52 ATF_REQUIRE(MB_CUR_MAX == 1);
53
54 /* No shift states in C locale. */
55 ATF_REQUIRE(mblen(NULL, 0) == 0);
56
57 /* Null wide character. */
58 memset(buf, 0xcc, sizeof(buf));
59 buf[0] = '\0';
60 ATF_REQUIRE(mblen(buf, 1) == 0);
61
62 /* Latin letter A. */
63 buf[0] = 'A';
64 ATF_REQUIRE(mblen(buf, 1) == 1);
65
66 /* Incomplete character sequence. */
67 buf[0] = '\0';
68 ATF_REQUIRE(mblen(buf, 0) == -1);
69 ATF_REQUIRE(mblen(NULL, 0) == 0);
70
71 /*
72 * Japanese (EUC) locale.
73 */
74
75 ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
76 ATF_REQUIRE(MB_CUR_MAX > 1);
77
78 /* No shift states in EUC. */
79 ATF_REQUIRE(mblen(NULL, 0) == 0);
80
81 /* Null wide character. */
82 memset(buf, 0xcc, sizeof(buf));
83 buf[0] = '\0';
84 ATF_REQUIRE(mblen(buf, 1) == 0);
85
86 /* Latin letter A. */
87 buf[0] = 'A';
88 ATF_REQUIRE(mblen(buf, 1) == 1);
89
90 /* Incomplete character sequence. */
91 buf[0] = '\0';
92 ATF_REQUIRE(mblen(buf, 0) == -1);
93 ATF_REQUIRE(mblen(NULL, 0) == 0);
94
95 /* Incomplete character sequence (truncated double-byte). */
96 memset(buf, 0xcc, sizeof(buf));
97 buf[0] = 0xa3;
98 buf[1] = 0x00;
99 ATF_REQUIRE(mblen(buf, 1) == -1);
100 ATF_REQUIRE(mblen(NULL, 0) == 0);
101
102 /* Same as above, but complete. */
103 buf[1] = 0xc1;
104 ATF_REQUIRE(mblen(buf, 2) == 2);
105 }
106
ATF_TP_ADD_TCS(tp)107 ATF_TP_ADD_TCS(tp)
108 {
109
110 ATF_TP_ADD_TC(tp, mblen_test);
111
112 return (atf_no_error());
113 }
114