tests/netbsd_vis.c

   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 <string.h>
  32 #include <stdlib.h>
  33 #include <err.h>
  34 #include <vis.h>
  35
  36 #include <darwintest.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 T_DECL(strvis_basic, "strvis(3)")
  59 {
  60         char *srcbuf, *dstbuf, *visbuf;
  61         unsigned int i, j;
  62
  63         T_ASSERT_NOTNULL((srcbuf = malloc(SIZE)), NULL);
  64         T_ASSERT_NOTNULL((dstbuf = malloc(SIZE + 1)), NULL);
  65         T_ASSERT_NOTNULL((visbuf = malloc(SIZE * 4 + 1)), NULL);
  66
  67         for (i = 0; i < SIZE; i++)
  68                 srcbuf[i] = (char)i;
  69
  70         for (i = 0; i < sizeof(styles)/sizeof(styles[0]); i++) {
  71                 T_ASSERT_GT(strsvisx(visbuf, srcbuf, SIZE, styles[i], ""), 0, NULL);
  72                 memset(dstbuf, 0, SIZE);
  73                 T_ASSERT_GT(strunvisx(dstbuf, visbuf,
  74                     styles[i] & (VIS_HTTP1808|VIS_MIMESTYLE)), 0, NULL);
  75                 for (j = 0; j < SIZE; j++)
  76                         if (dstbuf[j] != (char)j)
  77                                 T_FAIL("Failed for style %x, char %d [%d]", styles[i], j, dstbuf[j]);
  78                 if (dstbuf[SIZE] != '\0')
  79                         T_FAIL("Failed for style %x, the result must be null-terminated [%d]", dstbuf[SIZE]);
  80         }
  81         free(dstbuf);
  82         free(srcbuf);
  83         free(visbuf);
  84 }
  85
  86 T_DECL(strvis_null, "strvis(3) NULL")
  87 {
  88         char dst[] = "fail";
  89         strvis(dst, NULL, VIS_SAFE);
  90         T_ASSERT_EQ(dst[0], '\0', NULL);
  91         T_ASSERT_EQ(dst[1], 'a', NULL);
  92 }
  93
  94 T_DECL(strvis_empty, "strvis(3) empty")
  95 {
  96         char dst[] = "fail";
  97         strvis(dst, "", VIS_SAFE);
  98         T_ASSERT_EQ(dst[0], '\0', NULL);
  99         T_ASSERT_EQ(dst[1], 'a', NULL);
 100 }
 101
 102 T_DECL(strunvis_hex, "strunvis(3) \\Xxx")
 103 {
 104         static const struct {
 105                 const char *e;
 106                 const char *d;
 107                 int error;
 108         } ed[] = {
 109                 { "\\xff", "\xff", 1 },
 110                 { "\\x1", "\x1", 1 },
 111                 { "\\x1\\x02", "\x1\x2", 2 },
 112                 { "\\x1x", "\x1x", 2 },
 113                 { "\\xx", "", -1 },
 114         };
 115         char uv[10];
 116
 117         for (size_t i = 0; i < sizeof(ed)/sizeof(ed[0]); i++) {
 118                 T_ASSERT_EQ(strunvis(uv, ed[i].e), ed[i].error, NULL);
 119                 if (ed[i].error > 0)
 120                         T_ASSERT_EQ(memcmp(ed[i].d, uv, (unsigned long)ed[i].error), 0, NULL);
 121         }
 122 }