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", 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         int length;
  31         struct stat st;
  32
  33         n = 0;
  34         for (i = 0; i < NUM_SUBSTRINGS; i++) {
  35                 for (j = 0; j < NUM_SUBSTRINGS; j++) {
  36                         strings[n] = malloc(strlen(substrings[i])
  37                                             + strlen(substrings[j]) + 1);
  38                         sprintf(strings[n++], "%s%s",
  39                                 substrings[i], substrings[j]);
  40                 }
  41         }
  42
  43         plan_tests(n * n * 5 + 19);
  44         for (i = 0; i < n; i++) {
  45                 for (j = 0; j < n; j++) {
  46                         unsigned int k, identical = 0;
  47                         char *reva, *revb;
  48
  49                         /* Find first difference. */
  50                         for (k = 0; strings[i][k]==strings[j][k]; k++) {
  51                                 if (k == strlen(strings[i])) {
  52                                         identical = 1;
  53                                         break;
  54                                 }
  55                         }
  56
  57                         if (identical)
  58                                 ok1(streq(strings[i], strings[j]));
  59                         else
  60                                 ok1(!streq(strings[i], strings[j]));
  61
  62                         /* Postfix test should be equivalent to prefix
  63                          * test on reversed string. */
  64                         reva = strdup_rev(strings[i]);
  65                         revb = strdup_rev(strings[j]);
  66
  67                         if (!strings[i][k]) {
  68                                 ok1(strstarts(strings[j], strings[i]));
  69                                 ok1(strends(revb, reva));
  70                         } else {
  71                                 ok1(!strstarts(strings[j], strings[i]));
  72                                 ok1(!strends(revb, reva));
  73                         }
  74                         if (!strings[j][k]) {
  75                                 ok1(strstarts(strings[i], strings[j]));
  76                                 ok1(strends(reva, revb));
  77                         } else {
  78                                 ok1(!strstarts(strings[i], strings[j]));
  79                                 ok1(!strends(reva, revb));
  80                         }
  81                 }
  82         }
  83
  84         split = strsplit(NULL, "hello  world", " ", &n);
  85         ok1(n == 3);
  86         ok1(streq(split[0], "hello"));
  87         ok1(streq(split[1], ""));
  88         ok1(streq(split[2], "world"));
  89         ok1(split[3] == NULL);
  90         talloc_free(split);
  91
  92         split = strsplit(NULL, "hello  world", " ", NULL);
  93         ok1(streq(split[0], "hello"));
  94         ok1(streq(split[1], ""));
  95         ok1(streq(split[2], "world"));
  96         ok1(split[3] == NULL);
  97         talloc_free(split);
  98
  99         split = strsplit(NULL, "hello  world", "o ", NULL);
 100         ok1(streq(split[0], "hell"));
 101         ok1(streq(split[1], ""));
 102         ok1(streq(split[2], ""));
 103         ok1(streq(split[3], "w"));
 104         ok1(streq(split[4], "rld"));
 105         ok1(split[5] == NULL);
 106
 107         ctx = split;
 108         split = strsplit(ctx, "hello  world", "o ", NULL);
 109         ok1(talloc_parent(split) == ctx);
 110         talloc_free(ctx);
 111
 112         str = strjoin(NULL, substrings, ", ");
 113         ok1(streq(str, "far, bar, baz, b, ba, z, ar, "));
 114         ctx = str;
 115         str = strjoin(ctx, substrings, "");
 116         ok1(streq(str, "farbarbazbbazar"));
 117         ok1(talloc_parent(str) == ctx);
 118         talloc_free(ctx);
 119
 120         str = grab_file(NULL, "ccan/string/test/run-grab.c");
 121         split = strsplit(NULL, str, "\n", NULL);
 122         length = strlen(split[0]);
 123         ok1(streq(split[0], "/* This is test for grab_file() function */"));
 124         for(i = 1; split[i]; i++)
 125                 length += strlen(split[i]);
 126         ok1(streq(split[i-1], "/* End of grab_file() test */"));
 127         if (stat("ccan/string/test/run-grab.c", &st) != 0)
 128                 err(1, "Could not stat self");
 129         ok1(st.st_size == length);
 130
 131         return exit_status();
 132 }