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