src/test/test-strbuf.c

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #include <stdlib.h>
   4
   5 #include "nulstr-util.h"
   6 #include "strbuf.h"
   7 #include "string-util.h"
   8 #include "strv.h"
   9 #include "tests.h"
  10
  11 static ssize_t add_string(struct strbuf *sb, const char *s) {
  12         return strbuf_add_string(sb, s, strlen(s));
  13 }
  14
  15 TEST(strbuf) {
  16         _cleanup_(strbuf_freep) struct strbuf *sb;
  17         _cleanup_strv_free_ char **l;
  18         ssize_t a, b, c, d, e, f, g, h;
  19
  20         sb = strbuf_new();
  21
  22         a = add_string(sb, "waldo");
  23         b = add_string(sb, "foo");
  24         c = add_string(sb, "bar");
  25         d = add_string(sb, "waldo");   /* duplicate */
  26         e = add_string(sb, "aldo");    /* duplicate */
  27         f = add_string(sb, "do");      /* duplicate */
  28         g = add_string(sb, "waldorf"); /* not a duplicate: matches from tail */
  29         h = add_string(sb, "");
  30
  31         /* check the content of the buffer directly */
  32         l = strv_parse_nulstr(sb->buf, sb->len);
  33         assert_se(l);
  34
  35         assert_se(streq(l[0], "")); /* root */
  36         assert_se(streq(l[1], "waldo"));
  37         assert_se(streq(l[2], "foo"));
  38         assert_se(streq(l[3], "bar"));
  39         assert_se(streq(l[4], "waldorf"));
  40         assert_se(l[5] == NULL);
  41
  42         assert_se(sb->nodes_count == 5); /* root + 4 non-duplicates */
  43         assert_se(sb->dedup_count == 4);
  44         assert_se(sb->in_count == 8);
  45
  46         assert_se(sb->in_len == 29);    /* length of all strings added */
  47         assert_se(sb->dedup_len == 11); /* length of all strings duplicated */
  48         assert_se(sb->len == 23);       /* buffer length: in - dedup + \0 for each node */
  49
  50         /* check the returned offsets and the respective content in the buffer */
  51         assert_se(a == 1);
  52         assert_se(b == 7);
  53         assert_se(c == 11);
  54         assert_se(d == 1);
  55         assert_se(e == 2);
  56         assert_se(f == 4);
  57         assert_se(g == 15);
  58         assert_se(h == 0);
  59
  60         assert_se(streq(sb->buf + a, "waldo"));
  61         assert_se(streq(sb->buf + b, "foo"));
  62         assert_se(streq(sb->buf + c, "bar"));
  63         assert_se(streq(sb->buf + d, "waldo"));
  64         assert_se(streq(sb->buf + e, "aldo"));
  65         assert_se(streq(sb->buf + f, "do"));
  66         assert_se(streq(sb->buf + g, "waldorf"));
  67         assert_se(streq(sb->buf + h, ""));
  68
  69         strbuf_complete(sb);
  70         assert_se(sb->root == NULL);
  71 }
  72
  73 DEFINE_TEST_MAIN(LOG_INFO);