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

   1 #include "string/string.h"
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4 #include "string/string.c"
   5 #include "tap/tap.h"
   6
   7 /* FIXME: ccanize */
   8 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
   9
  10 static char *substrings[] = { "far", "bar", "baz", "b", "ba", "z", "ar", NULL };
  11
  12 #define NUM_SUBSTRINGS (ARRAY_SIZE(substrings) - 1)
  13
  14 static char *strdup_rev(const char *s)
  15 {
  16         char *ret = strdup(s);
  17         unsigned int i;
  18
  19         for (i = 0; i < strlen(s); i++)
  20                 ret[i] = s[strlen(s) - i - 1];
  21         return ret;
  22 }
  23
  24 int main(int argc, char *argv[])
  25 {
  26         unsigned int i, j, n;
  27         char **split, *str;
  28         void *ctx;
  29         char *strings[NUM_SUBSTRINGS * NUM_SUBSTRINGS];
  30
  31         n = 0;
  32         for (i = 0; i < NUM_SUBSTRINGS; i++) {
  33                 for (j = 0; j < NUM_SUBSTRINGS; j++) {
  34                         strings[n] = malloc(strlen(substrings[i])
  35                                             + strlen(substrings[j]) + 1);
  36                         sprintf(strings[n++], "%s%s",
  37                                 substrings[i], substrings[j]);
  38                 }
  39         }
  40
  41         plan_tests(n * n * 5);
  42         for (i = 0; i < n; i++) {
  43                 for (j = 0; j < n; j++) {
  44                         unsigned int k, identical = 0;
  45                         char *reva, *revb;
  46
  47                         /* Find first difference. */
  48                         for (k = 0; strings[i][k]==strings[j][k]; k++) {
  49                                 if (k == strlen(strings[i])) {
  50                                         identical = 1;
  51                                         break;
  52                                 }
  53                         }
  54
  55                         if (identical)
  56                                 ok1(streq(strings[i], strings[j]));
  57                         else
  58                                 ok1(!streq(strings[i], strings[j]));
  59
  60                         /* Postfix test should be equivalent to prefix
  61                          * test on reversed string. */
  62                         reva = strdup_rev(strings[i]);
  63                         revb = strdup_rev(strings[j]);
  64
  65                         if (!strings[i][k]) {
  66                                 ok1(strstarts(strings[j], strings[i]));
  67                                 ok1(strends(revb, reva));
  68                         } else {
  69                                 ok1(!strstarts(strings[j], strings[i]));
  70                                 ok1(!strends(revb, reva));
  71                         }
  72                         if (!strings[j][k]) {
  73                                 ok1(strstarts(strings[i], strings[j]));
  74                                 ok1(strends(reva, revb));
  75                         } else {
  76                                 ok1(!strstarts(strings[i], strings[j]));
  77                                 ok1(!strends(reva, revb));
  78                         }
  79                 }
  80         }
  81
  82         return exit_status();
  83 }