xref: /freebsd/contrib/netbsd-tests/lib/libc/gen/t_vis.c (revision c6db8143eda5c775467145ac73e8ebec47afdd8f)
1 /*	$NetBSD: t_vis.c,v 1.7 2014/09/08 19:01:03 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code was contributed to The NetBSD Foundation by Christos Zoulas.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include <atf-c.h>
32 
33 #include <string.h>
34 #include <stdlib.h>
35 #include <err.h>
36 #include <vis.h>
37 
38 static int styles[] = {
39 	VIS_OCTAL,
40 	VIS_CSTYLE,
41 	VIS_SP,
42 	VIS_TAB,
43 	VIS_NL,
44 	VIS_WHITE,
45 	VIS_SAFE,
46 #if 0	/* Not reversible */
47 	VIS_NOSLASH,
48 #endif
49 	VIS_HTTP1808,
50 	VIS_MIMESTYLE,
51 #if 0	/* Not supported by vis(3) */
52 	VIS_HTTP1866,
53 #endif
54 };
55 
56 #define SIZE	256
57 
58 ATF_TC(strvis_basic);
59 ATF_TC_HEAD(strvis_basic, tc)
60 {
61 
62 	atf_tc_set_md_var(tc, "descr", "Test strvis(3)");
63 }
64 
65 ATF_TC_BODY(strvis_basic, tc)
66 {
67 	char *srcbuf, *dstbuf, *visbuf;
68 	unsigned int i, j;
69 
70 	ATF_REQUIRE((dstbuf = malloc(SIZE)) != NULL);
71 	ATF_REQUIRE((srcbuf = malloc(SIZE)) != NULL);
72 	ATF_REQUIRE((visbuf = malloc(SIZE * 4 + 1)) != NULL);
73 
74 	for (i = 0; i < SIZE; i++)
75 		srcbuf[i] = (char)i;
76 
77 	for (i = 0; i < __arraycount(styles); i++) {
78 		ATF_REQUIRE(strsvisx(visbuf, srcbuf, SIZE, styles[i], "") > 0);
79 		memset(dstbuf, 0, SIZE);
80 		ATF_REQUIRE(strunvisx(dstbuf, visbuf,
81 		    styles[i] & (VIS_HTTP1808|VIS_MIMESTYLE)) > 0);
82 		for (j = 0; j < SIZE; j++)
83 			if (dstbuf[j] != (char)j)
84 				atf_tc_fail_nonfatal("Failed for style %x, "
85 				    "char %d [%d]", styles[i], j, dstbuf[j]);
86 	}
87 	free(dstbuf);
88 	free(srcbuf);
89 	free(visbuf);
90 }
91 
92 ATF_TC(strvis_null);
93 ATF_TC_HEAD(strvis_null, tc)
94 {
95 	atf_tc_set_md_var(tc, "descr", "Test strvis(3) NULL");
96 }
97 
98 ATF_TC_BODY(strvis_null, tc)
99 {
100 	char dst[] = "fail";
101 	strvis(dst, NULL, VIS_SAFE);
102 	ATF_REQUIRE(dst[0] == '\0' && dst[1] == 'a');
103 }
104 
105 ATF_TC(strvis_empty);
106 ATF_TC_HEAD(strvis_empty, tc)
107 {
108 	atf_tc_set_md_var(tc, "descr", "Test strvis(3) empty");
109 }
110 
111 ATF_TC_BODY(strvis_empty, tc)
112 {
113 	char dst[] = "fail";
114 	strvis(dst, "", VIS_SAFE);
115 	ATF_REQUIRE(dst[0] == '\0' && dst[1] == 'a');
116 }
117 
118 ATF_TC(strunvis_hex);
119 ATF_TC_HEAD(strunvis_hex, tc)
120 {
121 	atf_tc_set_md_var(tc, "descr", "Test strunvis(3) \\xXX");
122 }
123 
124 ATF_TC_BODY(strunvis_hex, tc)
125 {
126 	static const struct {
127 		const char *e;
128 		const char *d;
129 		int error;
130 	} ed[] = {
131 		{ "\\xff", "\xff", 1 },
132 		{ "\\x1", "\x1", 1 },
133 		{ "\\x1\\x02", "\x1\x2", 2 },
134 		{ "\\x1x", "\x1x", 2 },
135 		{ "\\xx", "", -1 },
136 	};
137 	char uv[10];
138 
139 	for (size_t i = 0; i < __arraycount(ed); i++) {
140 		ATF_REQUIRE(strunvis(uv, ed[i].e) == ed[i].error);
141 		if (ed[i].error > 0)
142 			ATF_REQUIRE(memcmp(ed[i].d, uv, ed[i].error) == 0);
143 	}
144 }
145 
146 ATF_TP_ADD_TCS(tp)
147 {
148 
149 	ATF_TP_ADD_TC(tp, strvis_basic);
150 	ATF_TP_ADD_TC(tp, strvis_null);
151 	ATF_TP_ADD_TC(tp, strvis_empty);
152 	ATF_TP_ADD_TC(tp, strunvis_hex);
153 
154 	return atf_no_error();
155 }
156