tests/check_bitmap.c

   1 /* -*- mode: c; c-file-style: "openbsd" -*- */
   2 /*
   3  * Copyright (c) 2020 Vincent Bernat <bernat@luffy.cx>
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #include <check.h>
  19
  20 #include "../src/daemon/lldpd.h"
  21
  22 START_TEST(test_empty) {
  23         uint32_t vlan_bmap[VLAN_BITMAP_LEN] = {};
  24         ck_assert(bitmap_isempty(vlan_bmap));
  25         ck_assert_int_eq(bitmap_numbits(vlan_bmap), 0);
  26 }
  27 END_TEST
  28
  29 START_TEST(test_first_bit) {
  30         uint32_t vlan_bmap[VLAN_BITMAP_LEN] = {};
  31         bitmap_set(vlan_bmap, 1);
  32         ck_assert_int_eq(vlan_bmap[0], 2);
  33         ck_assert_int_eq(bitmap_numbits(vlan_bmap), 1);
  34 }
  35 END_TEST
  36
  37 START_TEST(test_some_bits) {
  38         uint32_t vlan_bmap[VLAN_BITMAP_LEN] = {};
  39         bitmap_set(vlan_bmap, 1);
  40         bitmap_set(vlan_bmap, 6);
  41         bitmap_set(vlan_bmap, 31);
  42         bitmap_set(vlan_bmap, 50);
  43         ck_assert_int_eq(vlan_bmap[0], (1L << 1) | (1L << 6) | (1L << 31));
  44         ck_assert_int_eq(vlan_bmap[1], (1L << (50-32)));
  45         ck_assert_int_eq(vlan_bmap[2], 0);
  46         ck_assert_int_eq(bitmap_numbits(vlan_bmap), 4);
  47 }
  48 END_TEST
  49
  50 Suite *
  51 bitmap_suite(void)
  52 {
  53         Suite *s = suite_create("Bitmap handling");
  54
  55         TCase *tc_bitmap = tcase_create("Bitmap handling");
  56         tcase_add_test(tc_bitmap, test_empty);
  57         tcase_add_test(tc_bitmap, test_first_bit);
  58         tcase_add_test(tc_bitmap, test_some_bits);
  59         suite_add_tcase(s, tc_bitmap);
  60
  61         return s;
  62 }
  63
  64 int
  65 main()
  66 {
  67         int number_failed;
  68         Suite *s = bitmap_suite();
  69         SRunner *sr = srunner_create(s);
  70         srunner_run_all(sr, CK_ENV);
  71         number_failed = srunner_ntests_failed(sr);
  72         srunner_free(sr);
  73         return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
  74 }