support/tst-support_quote_string.c

   1 /* Test the support_quote_string function.
   2    Copyright (C) 2018-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <support/check.h>
  20 #include <support/support.h>
  21 #include <string.h>
  22 #include <stdlib.h>
  23
  24 static int
  25 do_test (void)
  26 {
  27   char *p = support_quote_string ("");
  28   TEST_COMPARE (strlen (p), 0);
  29   free (p);
  30   p = support_quote_string ("X");
  31   TEST_COMPARE (strlen (p), 1);
  32   TEST_COMPARE (p[0], 'X');
  33   free (p);
  34
  35   /* Check escaping of backslash-escaped characters, and lack of
  36      escaping for other shell meta-characters.  */
  37   p = support_quote_string ("$()*?`@[]{}~\'\"X");
  38   TEST_COMPARE (strcmp (p, "$()*?`@[]{}~\\'\\\"X"), 0);
  39   free (p);
  40
  41   /* Check lack of escaping for letters and digits.  */
  42 #define LETTERS_AND_DIGTS                       \
  43   "abcdefghijklmnopqrstuvwxyz"                  \
  44   "ABCDEFGHIJKLMNOPQRSTUVWXYZ"                  \
  45   "0123456789"
  46   p = support_quote_string (LETTERS_AND_DIGTS "@");
  47   TEST_COMPARE (strcmp (p, LETTERS_AND_DIGTS "@"), 0);
  48   free (p);
  49
  50   /* Check escaping of control characters and other non-printable
  51      characters.  */
  52   p = support_quote_string ("\r\n\t\a\b\f\v\1\177\200\377@");
  53   TEST_COMPARE (strcmp (p, "\\r\\n\\t\\a\\b\\f\\v\\001"
  54                         "\\177\\200\\377@"), 0);
  55   free (p);
  56
  57   return 0;
  58 }
  59
  60 #include <support/test-driver.c>