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 <errno.h>
36#include <limits.h>
37#include <locale.h>
38#include <stdio.h>
39#include <stdlib.h>
40#include <string.h>
41
42#include <atf-c.h>
43
44ATF_TC_WITHOUT_HEAD(wctomb_test);
45ATF_TC_BODY(wctomb_test, tc)
46{
47	size_t len;
48	char buf[MB_LEN_MAX + 1];
49
50	/* C/POSIX locale. */
51
52	ATF_REQUIRE(MB_CUR_MAX == 1);
53
54	/* No shift states in C locale. */
55	ATF_REQUIRE(wctomb(NULL, L'\0') == 0);
56
57	/* Null wide character. */
58	memset(buf, 0xcc, sizeof(buf));
59	len = wctomb(buf, L'\0');
60	ATF_REQUIRE(len == 1);
61	ATF_REQUIRE((unsigned char)buf[0] == 0 && (unsigned char)buf[1] == 0xcc);
62
63	/* Latin letter A. */
64	memset(buf, 0xcc, sizeof(buf));
65	len = wctomb(buf, L'A');
66	ATF_REQUIRE(len == 1);
67	ATF_REQUIRE((unsigned char)buf[0] == 'A' && (unsigned char)buf[1] == 0xcc);
68
69	/* Invalid code. */
70	ATF_REQUIRE(wctomb(buf, UCHAR_MAX + 1) == -1);
71	ATF_REQUIRE(wctomb(NULL, 0) == 0);
72
73	/*
74	 * Japanese (EUC) locale.
75	 */
76
77	ATF_REQUIRE(strcmp(setlocale(LC_CTYPE, "ja_JP.eucJP"), "ja_JP.eucJP") == 0);
78	ATF_REQUIRE(MB_CUR_MAX == 3);
79
80	/* No shift states in EUC encoding. */
81	ATF_REQUIRE(wctomb(NULL, L'\0') == 0);
82
83	/* Null wide character. */
84	memset(buf, 0xcc, sizeof(buf));
85	len = wctomb(buf, L'\0');
86	ATF_REQUIRE(len == 1);
87	ATF_REQUIRE((unsigned char)buf[0] == 0 && (unsigned char)buf[1] == 0xcc);
88
89	/* Latin letter A. */
90	memset(buf, 0xcc, sizeof(buf));
91	len = wctomb(buf, L'A');
92	ATF_REQUIRE(len == 1);
93	ATF_REQUIRE((unsigned char)buf[0] == 'A' && (unsigned char)buf[1] == 0xcc);
94
95	/* Full width letter A. */
96	memset(buf, 0xcc, sizeof(buf));
97	len = wctomb(buf, 0xa3c1);
98	ATF_REQUIRE(len == 2);
99	ATF_REQUIRE((unsigned char)buf[0] == 0xa3 &&
100		(unsigned char)buf[1] == 0xc1 &&
101		(unsigned char)buf[2] == 0xcc);
102}
103
104ATF_TP_ADD_TCS(tp)
105{
106
107	ATF_TP_ADD_TC(tp, wctomb_test);
108
109	return (atf_no_error());
110}
111