wctomb_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 wctomb(), 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/wctomb_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
45#include <atf-c.h>
46
47ATF_TC_WITHOUT_HEAD(wctomb_test);
48ATF_TC_BODY(wctomb_test, tc)
49{
50	size_t len;
51	char buf[MB_LEN_MAX + 1];
52
53	/* C/POSIX locale. */
54
55	ATF_REQUIRE(MB_CUR_MAX == 1);
56
57	/* No shift states in C locale. */
58	ATF_REQUIRE(wctomb(NULL, L'\0') == 0);
59
60	/* Null wide character. */
61	memset(buf, 0xcc, sizeof(buf));
62	len = wctomb(buf, L'\0');
63	ATF_REQUIRE(len == 1);
64	ATF_REQUIRE((unsigned char)buf[0] == 0 && (unsigned char)buf[1] == 0xcc);
65
66	/* Latin letter A. */
67	memset(buf, 0xcc, sizeof(buf));
68	len = wctomb(buf, L'A');
69	ATF_REQUIRE(len == 1);
70	ATF_REQUIRE((unsigned char)buf[0] == 'A' && (unsigned char)buf[1] == 0xcc);
71
72	/* Invalid code. */
73	ATF_REQUIRE(wctomb(buf, UCHAR_MAX + 1) == -1);
74	ATF_REQUIRE(wctomb(NULL, 0) == 0);
75
76	/*
77	 * Japanese (EUC) locale.
78	 */
79
80	ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
81	ATF_REQUIRE(MB_CUR_MAX == 3);
82
83	/* No shift states in EUC encoding. */
84	ATF_REQUIRE(wctomb(NULL, L'\0') == 0);
85
86	/* Null wide character. */
87	memset(buf, 0xcc, sizeof(buf));
88	len = wctomb(buf, L'\0');
89	ATF_REQUIRE(len == 1);
90	ATF_REQUIRE((unsigned char)buf[0] == 0 && (unsigned char)buf[1] == 0xcc);
91
92	/* Latin letter A. */
93	memset(buf, 0xcc, sizeof(buf));
94	len = wctomb(buf, L'A');
95	ATF_REQUIRE(len == 1);
96	ATF_REQUIRE((unsigned char)buf[0] == 'A' && (unsigned char)buf[1] == 0xcc);
97
98	/* Full width letter A. */
99	memset(buf, 0xcc, sizeof(buf));
100	len = wctomb(buf, 0xa3c1);
101	ATF_REQUIRE(len == 2);
102	ATF_REQUIRE((unsigned char)buf[0] == 0xa3 &&
103		(unsigned char)buf[1] == 0xc1 &&
104		(unsigned char)buf[2] == 0xcc);
105}
106
107ATF_TP_ADD_TCS(tp)
108{
109
110	ATF_TP_ADD_TC(tp, wctomb_test);
111
112	return (atf_no_error());
113}
114