mbrlen_test.c revision 291178
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 <sys/cdefs.h>
36__FBSDID("$FreeBSD: stable/10/lib/libc/tests/locale/mbrlen_test.c 291178 2015-11-23 08:31:41Z ngie $");
37
38#include <errno.h>
39#include <limits.h>
40#include <locale.h>
41#include <stdio.h>
42#include <stdlib.h>
43#include <string.h>
44#include <wchar.h>
45
46#include <atf-c.h>
47
48ATF_TC_WITHOUT_HEAD(mbrlen_test);
49ATF_TC_BODY(mbrlen_test, tc)
50{
51	mbstate_t s;
52	char buf[MB_LEN_MAX + 1];
53
54	/* C/POSIX locale. */
55	ATF_REQUIRE(MB_CUR_MAX == 1);
56
57	/* Null wide character, internal state. */
58	memset(buf, 0xcc, sizeof(buf));
59	buf[0] = 0;
60	ATF_REQUIRE(mbrlen(buf, 1, NULL) == 0);
61
62	/* Null wide character. */
63	memset(&s, 0, sizeof(s));
64	ATF_REQUIRE(mbrlen(buf, 1, &s) == 0);
65
66	/* Latin letter A, internal state. */
67	ATF_REQUIRE(mbrlen(NULL, 0, NULL) == 0);
68	buf[0] = 'A';
69	ATF_REQUIRE(mbrlen(buf, 1, NULL) == 1);
70
71	/* Latin letter A. */
72	memset(&s, 0, sizeof(s));
73	ATF_REQUIRE(mbrlen(buf, 1, &s) == 1);
74
75	/* Incomplete character sequence. */
76	memset(&s, 0, sizeof(s));
77	ATF_REQUIRE(mbrlen(buf, 0, &s) == (size_t)-2);
78
79	/* Japanese (EUC) locale. */
80
81	ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
82	ATF_REQUIRE(MB_CUR_MAX > 1);
83
84	/* Null wide character, internal state. */
85	ATF_REQUIRE(mbrlen(NULL, 0, NULL) == 0);
86	memset(buf, 0xcc, sizeof(buf));
87	buf[0] = 0;
88	ATF_REQUIRE(mbrlen(buf, 1, NULL) == 0);
89
90	/* Null wide character. */
91	memset(&s, 0, sizeof(s));
92	ATF_REQUIRE(mbrlen(buf, 1, &s) == 0);
93
94	/* Latin letter A, internal state. */
95	ATF_REQUIRE(mbrlen(NULL, 0, NULL) == 0);
96	buf[0] = 'A';
97	ATF_REQUIRE(mbrlen(buf, 1, NULL) == 1);
98
99	/* Latin letter A. */
100	memset(&s, 0, sizeof(s));
101	ATF_REQUIRE(mbrlen(buf, 1, &s) == 1);
102
103	/* Incomplete character sequence (zero length). */
104	memset(&s, 0, sizeof(s));
105	ATF_REQUIRE(mbrlen(buf, 0, &s) == (size_t)-2);
106
107	/* Incomplete character sequence (truncated double-byte). */
108	memset(buf, 0xcc, sizeof(buf));
109	buf[0] = 0xa3;
110	buf[1] = 0x00;
111	memset(&s, 0, sizeof(s));
112	ATF_REQUIRE(mbrlen(buf, 1, &s) == (size_t)-2);
113
114	/* Same as above, but complete. */
115	buf[1] = 0xc1;
116	memset(&s, 0, sizeof(s));
117	ATF_REQUIRE(mbrlen(buf, 2, &s) == 2);
118}
119
120ATF_TP_ADD_TCS(tp)
121{
122
123	ATF_TP_ADD_TC(tp, mbrlen_test);
124
125	return (atf_no_error());
126}
127