git.ozlabs.org Git - ccan/blob - ccan/string/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" };
  11
  12 static char *strdup_rev(const char *s)
  13 {
  14         char *ret = strdup(s);
  15         unsigned int i;
  16
  17         for (i = 0; i < strlen(s); i++)
  18                 ret[i] = s[strlen(s) - i - 1];
  19         return ret;
  20 }
  21
  22 int main(int argc, char *argv[])
  23 {
  24         unsigned int i, j, n;
  25         char **split;
  26         void *ctx;
  27         char *strings[ARRAY_SIZE(substrings) * ARRAY_SIZE(substrings)];
  28
  29         n = 0;
  30         for (i = 0; i < ARRAY_SIZE(substrings); i++) {
  31                 for (j = 0; j < ARRAY_SIZE(substrings); j++) {
  32                         strings[n] = malloc(strlen(substrings[i])
  33                                             + strlen(substrings[j]) + 1);
  34                         sprintf(strings[n++], "%s%s",
  35                                 substrings[i], substrings[j]);
  36                 }
  37         }
  38
  39         plan_tests(n * n * 5 + 16);
  40         for (i = 0; i < n; i++) {
  41                 for (j = 0; j < n; j++) {
  42                         unsigned int k, identical = 0;
  43                         char *reva, *revb;
  44
  45                         /* Find first difference. */
  46                         for (k = 0; strings[i][k]==strings[j][k]; k++) {
  47                                 if (k == strlen(strings[i])) {
  48                                         identical = 1;
  49                                         break;
  50                                 }
  51                         }
  52
  53                         if (identical)
  54                                 ok1(streq(strings[i], strings[j]));
  55                         else
  56                                 ok1(!streq(strings[i], strings[j]));
  57
  58                         /* Postfix test should be equivalent to prefix
  59                          * test on reversed string. */
  60                         reva = strdup_rev(strings[i]);
  61                         revb = strdup_rev(strings[j]);
  62
  63                         if (!strings[i][k]) {
  64                                 ok1(strstarts(strings[j], strings[i]));
  65                                 ok1(strends(revb, reva));
  66                         } else {
  67                                 ok1(!strstarts(strings[j], strings[i]));
  68                                 ok1(!strends(revb, reva));
  69                         }
  70                         if (!strings[j][k]) {
  71                                 ok1(strstarts(strings[i], strings[j]));
  72                                 ok1(strends(reva, revb));
  73                         } else {
  74                                 ok1(!strstarts(strings[i], strings[j]));
  75                                 ok1(!strends(reva, revb));
  76                         }
  77                 }
  78         }
  79
  80         split = strsplit(NULL, "hello  world", " ", &n);
  81         ok1(n == 3);
  82         ok1(streq(split[0], "hello"));
  83         ok1(streq(split[1], ""));
  84         ok1(streq(split[2], "world"));
  85         ok1(split[3] == NULL);
  86         talloc_free(split);
  87
  88         split = strsplit(NULL, "hello  world", " ", NULL);
  89         ok1(streq(split[0], "hello"));
  90         ok1(streq(split[1], ""));
  91         ok1(streq(split[2], "world"));
  92         ok1(split[3] == NULL);
  93         talloc_free(split);
  94
  95         split = strsplit(NULL, "hello  world", "o ", NULL);
  96         ok1(streq(split[0], "hell"));
  97         ok1(streq(split[1], ""));
  98         ok1(streq(split[2], ""));
  99         ok1(streq(split[3], "w"));
 100         ok1(streq(split[4], "rld"));
 101         ok1(split[5] == NULL);
 102
 103         ctx = split;
 104         split = strsplit(ctx, "hello  world", "o ", NULL);
 105         ok1(talloc_parent(split) == ctx);
 106         talloc_free(ctx);
 107
 108         return exit_status();
 109 }