support/tst-support_quote_blob_wide.c

   1 /* Test the support_quote_blob_wide function.
   2    Copyright (C) 2018-2022 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   /* Check handling of the empty blob, both with and without trailing
  28      NUL byte.  */
  29   char *p = support_quote_blob_wide (L"", 0);
  30   TEST_COMPARE (strlen (p), 0);
  31   free (p);
  32   p = support_quote_blob_wide (L"X", 0);
  33   TEST_COMPARE (strlen (p), 0);
  34   free (p);
  35
  36   /* Check escaping of backslash-escaped characters, and lack of
  37      escaping for other shell meta-characters.  */
  38   p = support_quote_blob_wide (L"$()*?`@[]{}~\'\"X", 14);
  39   TEST_COMPARE (strcmp (p, "$()*?`@[]{}~\\'\\\""), 0);
  40   free (p);
  41
  42   /* Check lack of escaping for letters and digits.  */
  43 #define LETTERS_AND_DIGTS                       \
  44   "abcdefghijklmnopqrstuvwxyz"                  \
  45   "ABCDEFGHIJKLMNOPQRSTUVWXYZ"                  \
  46   "0123456789"
  47 #define CONCATX(X, Y) X ## Y
  48 #define CONCAT(X, Y) CONCATX (X, Y)
  49 #define WLETTERS_AND_DIGTS CONCAT (L, LETTERS_AND_DIGTS)
  50   p = support_quote_blob_wide (WLETTERS_AND_DIGTS "@", 2 * 26 + 10);
  51   TEST_COMPARE (strcmp (p, LETTERS_AND_DIGTS), 0);
  52   free (p);
  53
  54   /* Check escaping of control characters and other non-printable
  55      characters.  */
  56   p = support_quote_blob_wide (L"\r\n\t\a\b\f\v\1\177\200\377"
  57                                "\x123\x76543210\xfedcba98\0@", 17);
  58   TEST_COMPARE (strcmp (p, "\\r\\n\\t\\a\\b\\f\\v\\x{1}"
  59                         "\\x{7f}\\x{80}\\x{ff}\\x{123}\\x{76543210}"
  60                         "\\x{fedcba98}\\x{0}@\\x{0}"), 0);
  61   free (p);
  62
  63   return 0;
  64 }
  65
  66 #include <support/test-driver.c>