testsuite: Add some decoder instance related tests.

1 files changed, 172 insertions, 0 deletions

diff --git a/tests/check_inst.c b/tests/check_inst.c
new file mode 100644
index 0000000..25adc4f
--- /dev/null
+++ b/tests/check_inst.c
@@ -0,0 +1,172 @@
+/*
+ * This file is part of the libsigrokdecode 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 "../libsigrokdecode.h" /* First, to avoid compiler warning. */
+#include <stdlib.h>
+#include <check.h>
+
+static void setup(void)
+{
+	/* Silence libsigrokdecode while the unit tests run. */
+	srd_log_loglevel_set(SRD_LOG_NONE);
+}
+
+static void teardown(void)
+{
+}
+
+/*
+ * Check whether srd_inst_new() works.
+ * If it returns NULL (or segfaults) this test will fail.
+ */
+START_TEST(test_inst_new)
+{
+	struct srd_session *sess;
+	struct srd_decoder_inst *inst;
+
+	srd_init(NULL);
+	srd_decoder_load("uart");
+	srd_session_new(&sess);
+	inst = srd_inst_new(sess, "uart", NULL);
+	fail_unless(inst != NULL, "srd_inst_new() failed.");
+	srd_exit();
+}
+END_TEST
+
+/*
+ * Check whether multiple srd_inst_new() calls work.
+ * If any of them returns NULL (or segfaults) this test will fail.
+ */
+START_TEST(test_inst_new_multiple)
+{
+	struct srd_session *sess;
+	struct srd_decoder_inst *inst1, *inst2, *inst3;
+
+	inst1 = inst2 = inst3 = NULL;
+
+	srd_init(NULL);
+	srd_decoder_load_all();
+	srd_session_new(&sess);
+
+	/* Multiple srd_inst_new() calls must work. */
+	inst1 = srd_inst_new(sess, "uart", NULL);
+	fail_unless(inst1 != NULL, "srd_inst_new() 1 failed.");
+	inst2 = srd_inst_new(sess, "spi", NULL);
+	fail_unless(inst2 != NULL, "srd_inst_new() 2 failed.");
+	inst3 = srd_inst_new(sess, "can", NULL);
+	fail_unless(inst3 != NULL, "srd_inst_new() 3 failed.");
+
+	/* The returned instance pointers must not be the same. */
+	fail_unless(inst1 != inst2);
+	fail_unless(inst1 != inst3);
+	fail_unless(inst2 != inst3);
+
+	/* Each instance must have another py_inst than any of the others. */
+	fail_unless(inst1->py_inst != inst2->py_inst);
+	fail_unless(inst1->py_inst != inst3->py_inst);
+	fail_unless(inst2->py_inst != inst3->py_inst);
+
+	srd_exit();
+}
+END_TEST
+
+/*
+ * Check whether srd_inst_option_set() works for an empty options hash.
+ * If it returns != SRD_OK (or segfaults) this test will fail.
+ */
+START_TEST(test_inst_option_set_empty)
+{
+	int ret;
+	struct srd_session *sess;
+	struct srd_decoder_inst *inst;
+	GHashTable *options;
+
+	srd_init(NULL);
+	srd_decoder_load_all();
+	srd_session_new(&sess);
+	inst = srd_inst_new(sess, "uart", NULL);
+	options = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
+			(GDestroyNotify)g_variant_unref);
+	ret = srd_inst_option_set(inst, options);
+	fail_unless(ret == SRD_OK, "srd_inst_option_set() with empty options "
+			"hash failed: %d.", ret);
+	srd_exit();
+}
+END_TEST
+
+/*
+ * Check whether srd_inst_option_set() works for bogus options.
+ * If it returns != SRD_OK (or segfaults) this test will fail.
+ */
+START_TEST(test_inst_option_set_bogus)
+{
+	int ret;
+	struct srd_session *sess;
+	struct srd_decoder_inst *inst;
+	GHashTable *options;
+
+	srd_init(NULL);
+	srd_decoder_load_all();
+	srd_session_new(&sess);
+	inst = srd_inst_new(sess, "uart", NULL);
+
+	options = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
+			(GDestroyNotify)g_variant_unref);
+
+	/* NULL instance. */
+	ret = srd_inst_option_set(NULL, options);
+	fail_unless(ret != SRD_OK, "srd_inst_option_set() with NULL "
+			"instance failed: %d.", ret);
+
+	/* NULL 'options' GHashTable. */
+	ret = srd_inst_option_set(inst, NULL);
+	fail_unless(ret != SRD_OK, "srd_inst_option_set() with NULL "
+			"options hash failed: %d.", ret);
+
+	/* NULL instance and NULL 'options' GHashTable. */
+	ret = srd_inst_option_set(NULL, NULL);
+	fail_unless(ret != SRD_OK, "srd_inst_option_set() with NULL "
+			"instance and NULL options hash failed: %d.", ret);
+
+	srd_exit();
+}
+END_TEST
+
+Suite *suite_inst(void)
+{
+	Suite *s;
+	TCase *tc;
+
+	s = suite_create("inst");
+
+	tc = tcase_create("new");
+	tcase_add_checked_fixture(tc, setup, teardown);
+	tcase_add_test(tc, test_inst_new);
+	tcase_add_test(tc, test_inst_new_multiple);
+	suite_add_tcase(s, tc);
+
+	tc = tcase_create("option");
+	tcase_add_checked_fixture(tc, setup, teardown);
+	tcase_add_test(tc, test_inst_option_set_empty);
+	tcase_add_test(tc, test_inst_option_set_bogus);
+	suite_add_tcase(s, tc);
+
+	return s;
+}