mbtowc_test.c revision 291178 
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 mbtowc(), 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 <sys/cdefs.h>
36__FBSDID("$FreeBSD: stable/10/lib/libc/tests/locale/mbtowc_test.c 291178 2015-11-23 08:31:41Z ngie $");
37
38#include <limits.h>
39#include <locale.h>
40#include <stdio.h>
41#include <stdlib.h>
42#include <string.h>
43
44#include <atf-c.h>
45
46ATF_TC_WITHOUT_HEAD(mbtowc_test);
47ATF_TC_BODY(mbtowc_test, tc)
48{
49	char buf[MB_LEN_MAX + 1];
50	wchar_t wc;
51
52	/* C/POSIX locale. */
53
54	ATF_REQUIRE(MB_CUR_MAX == 1);
55
56	/* No shift states in C locale. */
57	ATF_REQUIRE(mbtowc(NULL, NULL, 0) == 0);
58
59	/* Null wide character. */
60	wc = 0xcccc;
61	memset(buf, 0, sizeof(buf));
62	ATF_REQUIRE(mbtowc(&wc, buf, 1) == 0);
63	ATF_REQUIRE(wc == 0);
64
65	/* Latin letter A. */
66	buf[0] = 'A';
67	ATF_REQUIRE(mbtowc(&wc, buf, 1) == 1);
68	ATF_REQUIRE(wc == L'A');
69
70	/* Incomplete character sequence. */
71	wc = L'z';
72	buf[0] = '\0';
73	ATF_REQUIRE(mbtowc(&wc, buf, 0) == -1);
74	ATF_REQUIRE(wc == L'z');
75	ATF_REQUIRE(mbtowc(NULL, NULL, 0) == 0);
76
77	/* Japanese (EUC) locale. */
78
79	ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
80	ATF_REQUIRE(MB_CUR_MAX > 1);
81
82	/* Null wide character */
83	memset(buf, 0xcc, sizeof(buf));
84	buf[0] = 0;
85	wc = 0xcccc;
86	ATF_REQUIRE(mbtowc(&wc, buf, 1) == 0);
87	ATF_REQUIRE(wc == 0);
88
89	/* Latin letter A. */
90	buf[0] = 'A';
91	ATF_REQUIRE(mbtowc(&wc, buf, 1) == 1);
92	ATF_REQUIRE(wc == L'A');
93
94	/* Incomplete character sequence (zero length). */
95	wc = L'z';
96	buf[0] = '\0';
97	ATF_REQUIRE(mbtowc(&wc, buf, 0) == -1);
98	ATF_REQUIRE(wc == L'z');
99	ATF_REQUIRE(mbtowc(NULL, NULL, 0) == 0);
100
101	/* Incomplete character sequence (truncated double-byte). */
102	memset(buf, 0xcc, sizeof(buf));
103	buf[0] = 0xa3;
104	buf[1] = 0x00;
105	wc = L'z';
106	ATF_REQUIRE(mbtowc(&wc, buf, 1) == -1);
107	ATF_REQUIRE(wc == L'z');
108	ATF_REQUIRE(mbtowc(NULL, NULL, 0) == 0);
109
110	/* Same as above, but complete. */
111	buf[1] = 0xc1;
112	ATF_REQUIRE(mbtowc(&wc, buf, 2) == 2);
113	ATF_REQUIRE(wc == 0xa3c1);
114}
115
116ATF_TP_ADD_TCS(tp)
117{
118
119	ATF_TP_ADD_TC(tp, mbtowc_test);
120
121	return (atf_no_error());
122}
123