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

   1 #include "str/str.h"
   2 #include <stdlib.h>
   3 #include <stdio.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", NULL };
  10
  11 #define NUM_SUBSTRINGS (ARRAY_SIZE(substrings) - 1)
  12
  13 static char *strdup_rev(const char *s)
  14 {
  15         char *ret = strdup(s);
  16         unsigned int i;
  17
  18         for (i = 0; i < strlen(s); i++)
  19                 ret[i] = s[strlen(s) - i - 1];
  20         return ret;
  21 }
  22
  23 int main(int argc, char *argv[])
  24 {
  25         unsigned int i, j, n;
  26         char *strings[NUM_SUBSTRINGS * NUM_SUBSTRINGS];
  27
  28         n = 0;
  29         for (i = 0; i < NUM_SUBSTRINGS; i++) {
  30                 for (j = 0; j < NUM_SUBSTRINGS; j++) {
  31                         strings[n] = malloc(strlen(substrings[i])
  32                                             + strlen(substrings[j]) + 1);
  33                         sprintf(strings[n++], "%s%s",
  34                                 substrings[i], substrings[j]);
  35                 }
  36         }
  37
  38         plan_tests(n * n * 5);
  39         for (i = 0; i < n; i++) {
  40                 for (j = 0; j < n; j++) {
  41                         unsigned int k, identical = 0;
  42                         char *reva, *revb;
  43
  44                         /* Find first difference. */
  45                         for (k = 0; strings[i][k]==strings[j][k]; k++) {
  46                                 if (k == strlen(strings[i])) {
  47                                         identical = 1;
  48                                         break;
  49                                 }
  50                         }
  51
  52                         if (identical)
  53                                 ok1(streq(strings[i], strings[j]));
  54                         else
  55                                 ok1(!streq(strings[i], strings[j]));
  56
  57                         /* Postfix test should be equivalent to prefix
  58                          * test on reversed string. */
  59                         reva = strdup_rev(strings[i]);
  60                         revb = strdup_rev(strings[j]);
  61
  62                         if (!strings[i][k]) {
  63                                 ok1(strstarts(strings[j], strings[i]));
  64                                 ok1(strends(revb, reva));
  65                         } else {
  66                                 ok1(!strstarts(strings[j], strings[i]));
  67                                 ok1(!strends(revb, reva));
  68                         }
  69                         if (!strings[j][k]) {
  70                                 ok1(strstarts(strings[i], strings[j]));
  71                                 ok1(strends(reva, revb));
  72                         } else {
  73                                 ok1(!strstarts(strings[i], strings[j]));
  74                                 ok1(!strends(reva, revb));
  75                         }
  76                 }
  77         }
  78
  79         return exit_status();
  80 }