tests/core.c

   1 /*
   2  * This file is part of the libsigrokdecode project.
   3  *
   4  * Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <config.h>
  21 #include <libsigrokdecode.h> /* First, to avoid compiler warning. */
  22 #include <stdlib.h>
  23 #include <check.h>
  24 #include "lib.h"
  25
  26 /*
  27  * Check various basic init related things.
  28  *
  29  *  - Check whether an srd_init() call with path == NULL works.
  30  *    If it returns != SRD_OK (or segfaults) this test will fail.
  31  *
  32  *  - Check whether a subsequent srd_exit() works.
  33  *    If it returns != SRD_OK (or segfaults) this test will fail.
  34  */
  35 START_TEST(test_init_exit)
  36 {
  37         int ret;
  38
  39         ret = srd_init(NULL);
  40         fail_unless(ret == SRD_OK, "srd_init() failed: %d.", ret);
  41         ret = srd_exit();
  42         fail_unless(ret == SRD_OK, "srd_exit() failed: %d.", ret);
  43 }
  44 END_TEST
  45
  46 /*
  47  * Check whether nested srd_init()/srd_exit() calls work/fail correctly.
  48  * Two consecutive srd_init() calls without any srd_exit() inbetween are
  49  * not allowed and should fail. However, two consecutive srd_exit() calls
  50  * are currently allowed, the second one will just be a NOP basically.
  51  */
  52 START_TEST(test_init_exit_2)
  53 {
  54         int ret;
  55
  56         ret = srd_init(NULL);
  57         fail_unless(ret == SRD_OK, "srd_init() 1 failed: %d.", ret);
  58         ret = srd_init(NULL);
  59         fail_unless(ret != SRD_OK, "srd_init() 2 didn't fail: %d.", ret);
  60         ret = srd_exit();
  61         fail_unless(ret == SRD_OK, "srd_exit() 2 failed: %d.", ret);
  62         ret = srd_exit();
  63         fail_unless(ret == SRD_OK, "srd_exit() 1 failed: %d.", ret);
  64 }
  65 END_TEST
  66
  67 /*
  68  * Check whether three nested srd_init()/srd_exit() calls work/fail correctly.
  69  */
  70 START_TEST(test_init_exit_3)
  71 {
  72         int ret;
  73
  74         ret = srd_init(NULL);
  75         fail_unless(ret == SRD_OK, "srd_init() 1 failed: %d.", ret);
  76         ret = srd_init(NULL);
  77         fail_unless(ret != SRD_OK, "srd_init() 2 didn't fail: %d.", ret);
  78         ret = srd_init(NULL);
  79         fail_unless(ret != SRD_OK, "srd_init() 3 didn't fail: %d.", ret);
  80         ret = srd_exit();
  81         fail_unless(ret == SRD_OK, "srd_exit() 3 failed: %d.", ret);
  82         ret = srd_exit();
  83         fail_unless(ret == SRD_OK, "srd_exit() 2 failed: %d.", ret);
  84         ret = srd_exit();
  85         fail_unless(ret == SRD_OK, "srd_exit() 1 failed: %d.", ret);
  86 }
  87 END_TEST
  88
  89 Suite *suite_core(void)
  90 {
  91         Suite *s;
  92         TCase *tc;
  93
  94         s = suite_create("core");
  95
  96         tc = tcase_create("init_exit");
  97         tcase_add_checked_fixture(tc, srdtest_setup, srdtest_teardown);
  98         tcase_add_test(tc, test_init_exit);
  99         tcase_add_test(tc, test_init_exit_2);
 100         tcase_add_test(tc, test_init_exit_3);
 101         suite_add_tcase(s, tc);
 102
 103         return s;
 104 }