tests/lib/libc/gen/t_vis.c

   1 /*      $NetBSD: t_vis.c,v 1.6 2013/02/13 04:51:56 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(strunvis_hex);
  93 ATF_TC_HEAD(strunvis_hex, tc)
  94 {
  95         atf_tc_set_md_var(tc, "descr", "Test strunvis(3) \\xXX");
  96 }
  97
  98 ATF_TC_BODY(strunvis_hex, tc)
  99 {
 100         static const struct {
 101                 const char *e;
 102                 const char *d;
 103                 int error;
 104         } ed[] = {
 105                 { "\\xff", "\xff", 1 },
 106                 { "\\x1", "\x1", 1 },
 107                 { "\\x1\\x02", "\x1\x2", 2 },
 108                 { "\\x1x", "\x1x", 2 },
 109                 { "\\xx", "", -1 },
 110         };
 111         char uv[10];
 112
 113         for (size_t i = 0; i < __arraycount(ed); i++) {
 114                 ATF_REQUIRE(strunvis(uv, ed[i].e) == ed[i].error);
 115                 if (ed[i].error > 0)
 116                         ATF_REQUIRE(memcmp(ed[i].d, uv, ed[i].error) == 0);
 117         }
 118 }
 119
 120 ATF_TP_ADD_TCS(tp)
 121 {
 122
 123         ATF_TP_ADD_TC(tp, strvis_basic);
 124         ATF_TP_ADD_TC(tp, strunvis_hex);
 125
 126         return atf_no_error();
 127 }