src/test/test-hash.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright 2016 Lennart Poettering
   4 ***/
   5
   6 #include <errno.h>
   7 #include <stdio.h>
   8
   9 #include "alloc-util.h"
  10 #include "log.h"
  11 #include "string-util.h"
  12 #include "khash.h"
  13
  14 int main(int argc, char *argv[]) {
  15         _cleanup_(khash_unrefp) khash *h = NULL, *copy = NULL;
  16         _cleanup_free_ char *s = NULL;
  17         int r;
  18
  19         log_set_max_level(LOG_DEBUG);
  20
  21         assert_se(khash_new(&h, NULL) == -EINVAL);
  22         assert_se(khash_new(&h, "") == -EINVAL);
  23
  24         r = khash_supported();
  25         assert_se(r >= 0);
  26         if (r == 0) {
  27                 puts("khash not supported on this kernel, skipping");
  28                 return EXIT_TEST_SKIP;
  29         }
  30
  31         assert_se(khash_new(&h, "foobar") == -EOPNOTSUPP); /* undefined hash function */
  32
  33         assert_se(khash_new(&h, "sha256") >= 0);
  34         assert_se(khash_get_size(h) == 32);
  35         assert_se(streq(khash_get_algorithm(h), "sha256"));
  36
  37         assert_se(khash_digest_string(h, &s) >= 0);
  38         assert_se(streq(s, "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"));
  39         s = mfree(s);
  40
  41         assert_se(khash_put(h, "foobar", 6) >= 0);
  42         assert_se(khash_digest_string(h, &s) >= 0);
  43         assert_se(streq(s, "c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2"));
  44         s = mfree(s);
  45
  46         assert_se(khash_put(h, "piep", 4) >= 0);
  47         assert_se(khash_digest_string(h, &s) >= 0);
  48         assert_se(streq(s, "f114d872b5ea075d3be9040d0b7a429514b3f9324a8e8e3dc3fb24c34ee56bea"));
  49         s = mfree(s);
  50
  51         assert_se(khash_put(h, "foo", 3) >= 0);
  52         assert_se(khash_dup(h, &copy) >= 0);
  53
  54         assert_se(khash_put(h, "bar", 3) >= 0);
  55         assert_se(khash_put(copy, "bar", 3) >= 0);
  56
  57         assert_se(khash_digest_string(h, &s) >= 0);
  58         assert_se(streq(s, "c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2"));
  59         s = mfree(s);
  60
  61         assert_se(khash_digest_string(copy, &s) >= 0);
  62         assert_se(streq(s, "c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2"));
  63         s = mfree(s);
  64
  65         h = khash_unref(h);
  66
  67         assert_se(khash_new_with_key(&h, "hmac(sha256)", "quux", 4) >= 0);
  68         assert_se(khash_get_size(h) == 32);
  69         assert_se(streq(khash_get_algorithm(h), "hmac(sha256)"));
  70
  71         assert_se(khash_digest_string(h, &s) >= 0);
  72         assert_se(streq(s, "abed9f8218ab473f77218a6a7d39abf1d21fa46d0700c4898e330ba88309d5ae"));
  73         s = mfree(s);
  74
  75         assert_se(khash_put(h, "foobar", 6) >= 0);
  76         assert_se(khash_digest_string(h, &s) >= 0);
  77         assert_se(streq(s, "33f6c70a60db66007d5325d5d1dea37c371354e5b83347a59ad339ce9f4ba3dc"));
  78
  79         return 0;
  80 }