git.ozlabs.org Git - ccan/blob - string/test/run.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include "string/string.h"
   4 #include "tap/tap.h"
   5
   6 /* FIXME: ccanize */
   7 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
   8
   9 static char *substrings[] = { "far", "bar", "baz", "b", "ba", "z", "ar" };
  10
  11 static char *strdup_rev(const char *s)
  12 {
  13         char *ret = strdup(s);
  14         unsigned int i;
  15
  16         for (i = 0; i < strlen(s); i++)
  17                 ret[i] = s[strlen(s) - i - 1];
  18         return ret;
  19 }
  20
  21 int main(int argc, char *argv[])
  22 {
  23         unsigned int i, j, n;
  24         char *strings[ARRAY_SIZE(substrings) * ARRAY_SIZE(substrings)];
  25
  26         n = 0;
  27         for (i = 0; i < ARRAY_SIZE(substrings); i++) {
  28                 for (j = 0; j < ARRAY_SIZE(substrings); j++) {
  29                         strings[n] = malloc(strlen(substrings[i])
  30                                             + strlen(substrings[j]) + 1);
  31                         sprintf(strings[n++], "%s%s",
  32                                 substrings[i], substrings[j]);
  33                 }
  34         }
  35
  36         plan_tests(n * n * 5);
  37         for (i = 0; i < n; i++) {
  38                 for (j = 0; j < n; j++) {
  39                         unsigned int k, identical = 0;
  40                         char *reva, *revb;
  41
  42                         /* Find first difference. */
  43                         for (k = 0; strings[i][k]==strings[j][k]; k++) {
  44                                 if (k == strlen(strings[i])) {
  45                                         identical = 1;
  46                                         break;
  47                                 }
  48                         }
  49
  50                         if (identical)
  51                                 ok1(streq(strings[i], strings[j]));
  52                         else
  53                                 ok1(!streq(strings[i], strings[j]));
  54
  55                         /* Postfix test should be equivalent to prefix
  56                          * test on reversed string. */
  57                         reva = strdup_rev(strings[i]);
  58                         revb = strdup_rev(strings[j]);
  59
  60                         if (!strings[i][k]) {
  61                                 ok1(strstarts(strings[j], strings[i]));
  62                                 ok1(strends(revb, reva));
  63                         } else {
  64                                 ok1(!strstarts(strings[j], strings[i]));
  65                                 ok1(!strends(revb, reva));
  66                         }
  67                         if (!strings[j][k]) {
  68                                 ok1(strstarts(strings[i], strings[j]));
  69                                 ok1(strends(reva, revb));
  70                         } else {
  71                                 ok1(!strstarts(strings[i], strings[j]));
  72                                 ok1(!strends(reva, revb));
  73                         }
  74                 }
  75         }
  76         return exit_status();
  77 }