Add a small set of unit tests for session handling.

[libsigrok.git] / tests / check_session.c

diff --git a/tests/check_session.c b/tests/check_session.c
new file mode 100644 (file)
index 0000000..e48e1d4
--- /dev/null
+++ b/tests/check_session.c
@@ -0,0 +1,156 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2014 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"
+
+static struct sr_context *sr_ctx;
+
+static void setup(void)
+{
+       int ret;
+
+       ret = sr_init(&sr_ctx);
+       fail_unless(ret == SR_OK, "sr_init() failed: %d.", ret);
+}
+
+static void teardown(void)
+{
+       int ret;
+
+       ret = sr_exit(sr_ctx);
+       fail_unless(ret == SR_OK, "sr_exit() failed: %d.", ret);
+}
+
+/*
+ * Check whether sr_session_new() works.
+ * If it returns != SR_OK (or segfaults) this test will fail.
+ */
+START_TEST(test_session_new)
+{
+       int ret;
+       struct sr_session *sess;
+
+       ret = sr_session_new(&sess);
+       fail_unless(ret == SR_OK, "sr_session_new() failed: %d.", ret);
+       sr_session_destroy(sess);
+}
+END_TEST
+
+/*
+ * Check whether sr_session_new() fails for bogus parameters.
+ * If it returns SR_OK (or segfaults) this test will fail.
+ */
+START_TEST(test_session_new_bogus)
+{
+       int ret;
+
+       ret = sr_session_new(NULL);
+       fail_unless(ret != SR_OK, "sr_session_new(NULL) worked.");
+}
+END_TEST
+
+/*
+ * Check whether multiple sr_session_new() calls work.
+ * If any call returns != SR_OK (or segfaults) this test will fail.
+ */
+START_TEST(test_session_new_multiple)
+{
+       int ret;
+       struct sr_session *sess1, *sess2, *sess3;
+
+       sess1 = sess2 = sess3 = NULL;
+
+       /* Multiple sr_session_new() calls must work. */
+       ret = sr_session_new(&sess1);
+       fail_unless(ret == SR_OK, "sr_session_new() 1 failed: %d.", ret);
+       ret = sr_session_new(&sess2);
+       fail_unless(ret == SR_OK, "sr_session_new() 2 failed: %d.", ret);
+       ret = sr_session_new(&sess3);
+       fail_unless(ret == SR_OK, "sr_session_new() 3 failed: %d.", ret);
+
+       /* The returned session pointers must all be non-NULL. */
+       fail_unless(sess1 != NULL);
+       fail_unless(sess2 != NULL);
+       fail_unless(sess3 != NULL);
+
+       /* The returned session pointers must not be the same. */
+       fail_unless(sess1 != sess2);
+       fail_unless(sess1 != sess3);
+       fail_unless(sess2 != sess3);
+
+       /* Destroying any of the sessions must work. */
+       ret = sr_session_destroy(sess1);
+       fail_unless(ret == SR_OK, "sr_session_destroy() 1 failed: %d.", ret);
+       ret = sr_session_destroy(sess2);
+       fail_unless(ret == SR_OK, "sr_session_destroy() 2 failed: %d.", ret);
+       ret = sr_session_destroy(sess3);
+       fail_unless(ret == SR_OK, "sr_session_destroy() 3 failed: %d.", ret);
+}
+END_TEST
+
+/*
+ * Check whether sr_session_destroy() works.
+ * If it returns != SR_OK (or segfaults) this test will fail.
+ */
+START_TEST(test_session_destroy)
+{
+       int ret;
+       struct sr_session *sess;
+
+       sr_session_new(&sess);
+       ret = sr_session_destroy(sess);
+       fail_unless(ret == SR_OK, "sr_session_destroy() failed: %d.", ret);
+}
+END_TEST
+
+/*
+ * Check whether sr_session_destroy() fails for bogus sessions.
+ * If it returns SR_OK (or segfaults) this test will fail.
+ */
+START_TEST(test_session_destroy_bogus)
+{
+       int ret;
+
+       ret = sr_session_destroy(NULL);
+       fail_unless(ret != SR_OK, "sr_session_destroy() worked.");
+}
+END_TEST
+
+Suite *suite_session(void)
+{
+       Suite *s;
+       TCase *tc;
+
+       s = suite_create("session");
+
+       tc = tcase_create("new_destroy");
+       tcase_add_checked_fixture(tc, setup, teardown);
+       tcase_add_test(tc, test_session_new);
+       tcase_add_test(tc, test_session_new_bogus);
+       tcase_add_test(tc, test_session_new_multiple);
+       tcase_add_test(tc, test_session_destroy);
+       tcase_add_test(tc, test_session_destroy_bogus);
+       suite_add_tcase(s, tc);
+
+       return s;
+}