libsigrok/tests/core.c

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/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdlib.h>
#include <check.h>
#include "../include/libsigrok/libsigrok.h"
#include "lib.h"
/*
* Check various basic init related things.
*
* - Check whether an sr_init() call with a proper sr_ctx works.
* If it returns != SR_OK (or segfaults) this test will fail.
* The sr_init() call (among other things) also runs sanity checks on
* all libsigrok hardware drivers and errors out upon issues.
*
* - Check whether a subsequent sr_exit() with that sr_ctx works.
* If it returns != SR_OK (or segfaults) this test will fail.
*/
START_TEST(test_init_exit)
{
int ret;
struct sr_context *sr_ctx;
ret = sr_init(&sr_ctx);
fail_unless(ret == SR_OK, "sr_init() failed: %d.", ret);
ret = sr_exit(sr_ctx);
fail_unless(ret == SR_OK, "sr_exit() failed: %d.", ret);
}
END_TEST
/*
* Check whether two nested sr_init() and sr_exit() calls work.
* The two functions have two different contexts.
* If any function returns != SR_OK (or segfaults) this test will fail.
*/
START_TEST(test_init_exit_2)
{
int ret;
struct sr_context *sr_ctx1, *sr_ctx2;
ret = sr_init(&sr_ctx1);
fail_unless(ret == SR_OK, "sr_init() 1 failed: %d.", ret);
ret = sr_init(&sr_ctx2);
fail_unless(ret == SR_OK, "sr_init() 2 failed: %d.", ret);
ret = sr_exit(sr_ctx2);
fail_unless(ret == SR_OK, "sr_exit() 2 failed: %d.", ret);
ret = sr_exit(sr_ctx1);
fail_unless(ret == SR_OK, "sr_exit() 1 failed: %d.", ret);
}
END_TEST
/*
* Same as above, but sr_exit() in the "wrong" order.
* This should work fine, it's not a bug to do this.
*/
START_TEST(test_init_exit_2_reverse)
{
int ret;
struct sr_context *sr_ctx1, *sr_ctx2;
ret = sr_init(&sr_ctx1);
fail_unless(ret == SR_OK, "sr_init() 1 failed: %d.", ret);
ret = sr_init(&sr_ctx2);
fail_unless(ret == SR_OK, "sr_init() 2 failed: %d.", ret);
ret = sr_exit(sr_ctx1);
fail_unless(ret == SR_OK, "sr_exit() 1 failed: %d.", ret);
ret = sr_exit(sr_ctx2);
fail_unless(ret == SR_OK, "sr_exit() 2 failed: %d.", ret);
}
END_TEST
/*
* Check whether three nested sr_init() and sr_exit() calls work.
* The three functions have three different contexts.
* If any function returns != SR_OK (or segfaults) this test will fail.
*/
START_TEST(test_init_exit_3)
{
int ret;
struct sr_context *sr_ctx1, *sr_ctx2, *sr_ctx3;
ret = sr_init(&sr_ctx1);
fail_unless(ret == SR_OK, "sr_init() 1 failed: %d.", ret);
ret = sr_init(&sr_ctx2);
fail_unless(ret == SR_OK, "sr_init() 2 failed: %d.", ret);
ret = sr_init(&sr_ctx3);
fail_unless(ret == SR_OK, "sr_init() 3 failed: %d.", ret);
ret = sr_exit(sr_ctx3);
fail_unless(ret == SR_OK, "sr_exit() 3 failed: %d.", ret);
ret = sr_exit(sr_ctx2);
fail_unless(ret == SR_OK, "sr_exit() 2 failed: %d.", ret);
ret = sr_exit(sr_ctx1);
fail_unless(ret == SR_OK, "sr_exit() 1 failed: %d.", ret);
}
END_TEST
/*
* Same as above, but sr_exit() in the "wrong" order.
* This should work fine, it's not a bug to do this.
*/
START_TEST(test_init_exit_3_reverse)
{
int ret;
struct sr_context *sr_ctx1, *sr_ctx2, *sr_ctx3;
ret = sr_init(&sr_ctx1);
fail_unless(ret == SR_OK, "sr_init() 1 failed: %d.", ret);
ret = sr_init(&sr_ctx2);
fail_unless(ret == SR_OK, "sr_init() 2 failed: %d.", ret);
ret = sr_init(&sr_ctx3);
fail_unless(ret == SR_OK, "sr_init() 3 failed: %d.", ret);
ret = sr_exit(sr_ctx1);
fail_unless(ret == SR_OK, "sr_exit() 1 failed: %d.", ret);
ret = sr_exit(sr_ctx2);
fail_unless(ret == SR_OK, "sr_exit() 2 failed: %d.", ret);
ret = sr_exit(sr_ctx3);
fail_unless(ret == SR_OK, "sr_exit() 3 failed: %d.", ret);
}
END_TEST
/* Check whether sr_init(NULL) fails as it should. */
START_TEST(test_init_null)
{
int ret;
ret = sr_log_loglevel_set(SR_LOG_NONE);
fail_unless(ret == SR_OK, "sr_log_loglevel_set() failed: %d.", ret);
ret = sr_init(NULL);
fail_unless(ret != SR_OK, "sr_init(NULL) should have failed.");
}
END_TEST
/* Check whether sr_exit(NULL) fails as it should. */
START_TEST(test_exit_null)
{
int ret;
ret = sr_log_loglevel_set(SR_LOG_NONE);
fail_unless(ret == SR_OK, "sr_log_loglevel_set() failed: %d.", ret);
ret = sr_exit(NULL);
fail_unless(ret != SR_OK, "sr_exit(NULL) should have failed.");
}
END_TEST
Suite *suite_core(void)
{
Suite *s;
TCase *tc;
s = suite_create("core");
tc = tcase_create("init_exit");
tcase_add_test(tc, test_init_exit);
tcase_add_test(tc, test_init_exit_2);
tcase_add_test(tc, test_init_exit_2_reverse);
tcase_add_test(tc, test_init_exit_3);
tcase_add_test(tc, test_init_exit_3_reverse);
tcase_add_test(tc, test_init_null);
tcase_add_test(tc, test_exit_null);
suite_add_tcase(s, tc);
return s;
}