tests/lib/libc/gen/t_vis.c

   1 /*      $NetBSD: t_vis.c,v 1.8 2015/05/23 14:02:11 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 <locale.h>
  36 #include <err.h>
  37 #include <vis.h>
  38
  39 static int styles[] = {
  40         VIS_OCTAL,
  41         VIS_CSTYLE,
  42         VIS_SP,
  43         VIS_TAB,
  44         VIS_NL,
  45         VIS_WHITE,
  46         VIS_SAFE,
  47 #if 0   /* Not reversible */
  48         VIS_NOSLASH,
  49 #endif
  50         VIS_HTTP1808,
  51         VIS_MIMESTYLE,
  52 #if 0   /* Not supported by vis(3) */
  53         VIS_HTTP1866,
  54 #endif
  55 };
  56
  57 #define SIZE    256
  58
  59 ATF_TC(strvis_basic);
  60 ATF_TC_HEAD(strvis_basic, tc)
  61 {
  62
  63         atf_tc_set_md_var(tc, "descr", "Test strvis(3)");
  64 }
  65
  66 ATF_TC_BODY(strvis_basic, tc)
  67 {
  68         char *srcbuf, *dstbuf, *visbuf;
  69         unsigned int i, j;
  70
  71         ATF_REQUIRE((dstbuf = malloc(SIZE)) != NULL);
  72         ATF_REQUIRE((srcbuf = malloc(SIZE)) != NULL);
  73         ATF_REQUIRE((visbuf = malloc(SIZE * 4 + 1)) != NULL);
  74
  75         for (i = 0; i < SIZE; i++)
  76                 srcbuf[i] = (char)i;
  77
  78         for (i = 0; i < __arraycount(styles); i++) {
  79                 ATF_REQUIRE(strsvisx(visbuf, srcbuf, SIZE, styles[i], "") > 0);
  80                 memset(dstbuf, 0, SIZE);
  81                 ATF_REQUIRE(strunvisx(dstbuf, visbuf,
  82                     styles[i] & (VIS_HTTP1808|VIS_MIMESTYLE)) > 0);
  83                 for (j = 0; j < SIZE; j++)
  84                         if (dstbuf[j] != (char)j)
  85                                 atf_tc_fail_nonfatal("Failed for style %x, "
  86                                     "char %d [%d]", styles[i], j, dstbuf[j]);
  87         }
  88         free(dstbuf);
  89         free(srcbuf);
  90         free(visbuf);
  91 }
  92
  93 ATF_TC(strvis_null);
  94 ATF_TC_HEAD(strvis_null, tc)
  95 {
  96         atf_tc_set_md_var(tc, "descr", "Test strvis(3) NULL");
  97 }
  98
  99 ATF_TC_BODY(strvis_null, tc)
 100 {
 101         char dst[] = "fail";
 102         strvis(dst, NULL, VIS_SAFE);
 103         ATF_REQUIRE(dst[0] == '\0' && dst[1] == 'a');
 104 }
 105
 106 ATF_TC(strvis_empty);
 107 ATF_TC_HEAD(strvis_empty, tc)
 108 {
 109         atf_tc_set_md_var(tc, "descr", "Test strvis(3) empty");
 110 }
 111
 112 ATF_TC_BODY(strvis_empty, tc)
 113 {
 114         char dst[] = "fail";
 115         strvis(dst, "", VIS_SAFE);
 116         ATF_REQUIRE(dst[0] == '\0' && dst[1] == 'a');
 117 }
 118
 119 ATF_TC(strunvis_hex);
 120 ATF_TC_HEAD(strunvis_hex, tc)
 121 {
 122         atf_tc_set_md_var(tc, "descr", "Test strunvis(3) \\xXX");
 123 }
 124
 125 ATF_TC_BODY(strunvis_hex, tc)
 126 {
 127         static const struct {
 128                 const char *e;
 129                 const char *d;
 130                 int error;
 131         } ed[] = {
 132                 { "\\xff", "\xff", 1 },
 133                 { "\\x1", "\x1", 1 },
 134                 { "\\x1\\x02", "\x1\x2", 2 },
 135                 { "\\x1x", "\x1x", 2 },
 136                 { "\\xx", "", -1 },
 137         };
 138         char uv[10];
 139
 140         for (size_t i = 0; i < __arraycount(ed); i++) {
 141                 ATF_REQUIRE(strunvis(uv, ed[i].e) == ed[i].error);
 142                 if (ed[i].error > 0)
 143                         ATF_REQUIRE(memcmp(ed[i].d, uv, ed[i].error) == 0);
 144         }
 145 }
 146
 147 ATF_TC(strvis_locale);
 148 ATF_TC_HEAD(strvis_locale, tc)
 149 {
 150         atf_tc_set_md_var(tc, "descr", "Test strvis(3) with locale");
 151 }
 152
 153 ATF_TC_BODY(strvis_locale, tc)
 154 {
 155         char s[256], cd[sizeof(s) * 4 + 1], jd[sizeof(cd)], *ol;
 156         int jr, cr;
 157
 158         for (size_t i = 0; i < sizeof(s) - 1; i++)
 159                 s[i] = i + 1;
 160         s[sizeof(s) - 1] = '\0';
 161
 162         ol = setlocale(LC_CTYPE, "ja_JP.UTF-8");
 163         ATF_REQUIRE(ol != NULL);
 164         jr = strvisx(jd, s, sizeof(s), VIS_WHITE | VIS_NOLOCALE);
 165         ATF_REQUIRE(jr != -1);
 166         ol = strdup(ol);
 167         ATF_REQUIRE(ol != NULL);
 168         ATF_REQUIRE(setlocale(LC_CTYPE, "C") != NULL);
 169         cr = strvisx(cd, s, sizeof(s), VIS_WHITE);
 170         ATF_REQUIRE(jr == cr);
 171         ATF_REQUIRE(memcmp(jd, cd, jr) == 0);
 172         setlocale(LC_CTYPE, ol);
 173         free(ol);
 174 }
 175
 176 ATF_TP_ADD_TCS(tp)
 177 {
 178
 179         ATF_TP_ADD_TC(tp, strvis_basic);
 180         ATF_TP_ADD_TC(tp, strvis_null);
 181         ATF_TP_ADD_TC(tp, strvis_empty);
 182         ATF_TP_ADD_TC(tp, strunvis_hex);
 183         ATF_TP_ADD_TC(tp, strvis_locale);
 184
 185         return atf_no_error();
 186 }