tests/test-quotearg.h

   1 /* Test of quotearg family of functions.
   2    Copyright (C) 2008-2020 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Eric Blake <ebb9@byu.net>, 2008.  */
  18
  19 struct result_strings {
  20   char const *str1; /* Translation of "".  */
  21   char const *str2; /* Translation of "\0""1\0".  */
  22   size_t len2; /* Length of str2.  */
  23   char const *str3; /* Translation of "simple".  */
  24   char const *str4; /* Translation of " \t\n'\"\033?""?/\\".  */
  25   char const *str5; /* Translation of "a:b".  */
  26   char const *str6; /* Translation of "a\\b".  */
  27   char const *str7; /* Translation of "a' b".  */
  28   char const *str8a; /* Translation of LQ RQ, in ASCII charset.  */
  29   char const *str8b; /* Translation of LQ RQ, in Latin1 or UTF-8 charset.  */
  30 };
  31
  32 struct result_groups {
  33   struct result_strings group1; /* Via quotearg_buffer.  */
  34   struct result_strings group2; /* Via quotearg{,_mem}.  */
  35   struct result_strings group3; /* Via quotearg_colon{,_mem}.  */
  36 };
  37
  38 /* These quotes are borrowed from a pt_PT.utf8 translation.  */
  39 # define LQ "\302\253"
  40 # define RQ "\302\273"
  41 # define LQ_ENC "\\302\\253"
  42 # define RQ_ENC "\\302\\273"
  43 # define RQ_ESC "\\\302\273"
  44
  45 static struct result_strings inputs = {
  46   "", "\0001\0", 3, "simple", " \t\n'\"\033?""?/\\", "a:b", "a\\b",
  47   "a' b", LQ RQ, NULL
  48 };
  49
  50 static void
  51 compare (char const *a, size_t la, char const *b, size_t lb)
  52 {
  53   ASSERT (la == lb);
  54   ASSERT (memcmp (a, b, la) == 0);
  55   ASSERT (b[lb] == '\0');
  56 }
  57
  58 static void
  59 compare_strings (char *(func) (char const *, size_t *),
  60                  struct result_strings *results, bool ascii_only)
  61 {
  62   size_t len;
  63   char *p;
  64
  65   len = 0;
  66   p = func (inputs.str1, &len);
  67   compare (results->str1, strlen (results->str1), p, len);
  68
  69   len = inputs.len2;
  70   p = func (inputs.str2, &len);
  71   compare (results->str2, results->len2, p, len);
  72
  73   len = SIZE_MAX;
  74   p = func (inputs.str3, &len);
  75   compare (results->str3, strlen (results->str3), p, len);
  76
  77   len = strlen (inputs.str4);
  78   p = func (inputs.str4, &len);
  79   compare (results->str4, strlen (results->str4), p, len);
  80
  81   len = SIZE_MAX;
  82   p = func (inputs.str5, &len);
  83   compare (results->str5, strlen (results->str5), p, len);
  84
  85   len = strlen (inputs.str6);
  86   p = func (inputs.str6, &len);
  87   compare (results->str6, strlen (results->str6), p, len);
  88
  89   len = strlen (inputs.str7);
  90   p = func (inputs.str7, &len);
  91   compare (results->str7, strlen (results->str7), p, len);
  92
  93   len = strlen (inputs.str8a);
  94   p = func (inputs.str8a, &len);
  95   if (ascii_only)
  96     compare (results->str8a, strlen (results->str8a), p, len);
  97   else
  98     compare (results->str8b, strlen (results->str8b), p, len);
  99 }
 100
 101 static char *
 102 use_quotearg_buffer (const char *str, size_t *len)
 103 {
 104   static char buf[100];
 105   size_t size;
 106   memset (buf, 0xa5, 100);
 107   size = quotearg_buffer (buf, 100, str, *len, NULL);
 108   *len = size;
 109   ASSERT ((unsigned char) buf[size + 1] == 0xa5);
 110   return buf;
 111 }
 112
 113 static char *
 114 use_quotearg (const char *str, size_t *len)
 115 {
 116   char *p = *len == SIZE_MAX ? quotearg (str) : quotearg_mem (str, *len);
 117   *len = strlen (p);
 118   return p;
 119 }
 120
 121 static char *
 122 use_quotearg_colon (const char *str, size_t *len)
 123 {
 124   char *p = (*len == SIZE_MAX ? quotearg_colon (str)
 125              : quotearg_colon_mem (str, *len));
 126   *len = strlen (p);
 127   return p;
 128 }