test/clib/ctype.c

   1 #include <ctype.h>
   2 #include <stdio.h>
   3
   4 #include "test.h"
   5
   6 int main(void)
   7 {
   8     char c;
   9
  10     c = '1';
  11     TEST(isdigit(c));
  12     TEST(!isalpha(c));
  13     TEST(isalnum(c));
  14     c = 'a';
  15     TEST(!isdigit(c));
  16     TEST(isalpha(c));
  17     TEST(isalnum(c));
  18     c = '.';
  19     TEST(!isdigit(c));
  20     TEST(!isalpha(c));
  21     TEST(!isalnum(c));
  22     TEST(toupper('a') == 'A');
  23     TEST(toupper('A') == 'A');
  24     TEST(tolower('Z') == 'z');
  25     TEST(tolower('z') == 'z');
  26
  27     return 0;
  28 }
  29
  30 void cleanup(void) {}