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t_vis.c revision 1.7 
      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