lib/ccan/str/test/run.c

   1 #include <ccan/str/str.h>
   2 #include <ccan/str/str.c>
   3 #include <stdlib.h>
   4 #include <stdio.h>
   5 #include <ccan/tap/tap.h>
   6
   7 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
   8
   9 static const char *substrings[] = { "far", "bar", "baz", "b", "ba", "z", "ar",
  10                                     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 *strings[NUM_SUBSTRINGS * NUM_SUBSTRINGS];
  28
  29         n = 0;
  30         for (i = 0; i < NUM_SUBSTRINGS; i++) {
  31                 for (j = 0; j < NUM_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                         free(reva);
  78                         free(revb);
  79                 }
  80         }
  81
  82         for (i = 0; i < n; i++)
  83                 free(strings[i]);
  84
  85         ok1(streq(stringify(NUM_SUBSTRINGS),
  86                   "((sizeof(substrings) / sizeof(substrings[0])) - 1)"));
  87         ok1(streq(stringify(ARRAY_SIZE(substrings)),
  88                   "(sizeof(substrings) / sizeof(substrings[0]))"));
  89         ok1(streq(stringify(i == 0), "i == 0"));
  90
  91         ok1(strcount("aaaaaa", "b") == 0);
  92         ok1(strcount("aaaaaa", "a") == 6);
  93         ok1(strcount("aaaaaa", "aa") == 3);
  94         ok1(strcount("aaaaaa", "aaa") == 2);
  95         ok1(strcount("aaaaaa", "aaaa") == 1);
  96         ok1(strcount("aaaaaa", "aaaaa") == 1);
  97         ok1(strcount("aaaaaa", "aaaaaa") == 1);
  98         ok1(strcount("aaa aaa", "b") == 0);
  99         ok1(strcount("aaa aaa", "a") == 6);
 100         ok1(strcount("aaa aaa", "aa") == 2);
 101         ok1(strcount("aaa aaa", "aaa") == 2);
 102         ok1(strcount("aaa aaa", "aaaa") == 0);
 103         ok1(strcount("aaa aaa", "aaaaa") == 0);
 104
 105         return exit_status();
 106 }