common/include/test-ascii-ctype.c

   1 /* nbdkit
   2  * Copyright Red Hat
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *
  11  * * Redistributions in binary form must reproduce the above copyright
  12  * notice, this list of conditions and the following disclaimer in the
  13  * documentation and/or other materials provided with the distribution.
  14  *
  15  * * Neither the name of Red Hat nor the names of its contributors may be
  16  * used to endorse or promote products derived from this software without
  17  * specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  22  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
  23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  26  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  27  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  29  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #include <config.h>
  34
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #undef NDEBUG /* Keep test strong even for nbdkit built without assertions */
  38 #include <assert.h>
  39
  40 #include "ascii-ctype.h"
  41
  42 int
  43 main (void)
  44 {
  45   assert (ascii_isspace (' '));
  46   assert (ascii_isspace ('\t'));
  47   assert (ascii_isspace ('\n'));
  48   assert (! ascii_isspace ('a'));
  49
  50   assert (ascii_isalpha ('a'));
  51   assert (ascii_isalpha ('Z'));
  52   assert (ascii_isalpha ('z'));
  53   assert (! ascii_isalpha (' '));
  54   assert (! ascii_isalpha ('0'));
  55   { const char *s = "Ä"; assert (! ascii_isalpha (s[0])); }
  56   { const char *s = "®"; assert (! ascii_isalpha (s[0])); }
  57
  58   assert (ascii_isdigit ('0'));
  59   assert (ascii_isdigit ('9'));
  60   { const char *s = "Ø"; assert (! ascii_isdigit (s[0])); } /* U+00D8 */
  61   { const char *s = "９"; assert (! ascii_isdigit (s[0])); } /* U+FF19 */
  62
  63   assert (ascii_islower ('a'));
  64   assert (ascii_islower ('z'));
  65   assert (! ascii_islower ('Z'));
  66   { const char *s = "Ä"; assert (! ascii_islower (s[0])); }
  67
  68   assert (ascii_isupper ('A'));
  69   assert (ascii_isupper ('Z'));
  70   assert (! ascii_isupper ('z'));
  71   { const char *s = "Ä"; assert (! ascii_isupper (s[0])); }
  72
  73   assert (ascii_tolower ('A') == 'a');
  74   assert (ascii_tolower ('Z') == 'z');
  75   assert (ascii_tolower ('a') == 'a');
  76   assert (ascii_tolower ('z') == 'z');
  77   assert (ascii_tolower ('0') == '0');
  78   { const char *s = "Ä"; assert (ascii_tolower (s[0]) == s[0]); }
  79
  80   assert (ascii_toupper ('a') == 'A');
  81   assert (ascii_toupper ('z') == 'Z');
  82   assert (ascii_toupper ('A') == 'A');
  83   assert (ascii_toupper ('Z') == 'Z');
  84   assert (ascii_toupper ('0') == '0');
  85   { const char *s = "à"; assert (ascii_toupper (s[0]) == s[0]); }
  86
  87   exit (EXIT_SUCCESS);
  88 }