+/*
+ * 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>
+#include "lib.h"
+
+/*
+ * Check whether srd_decoder_load_all() works.
+ * If it returns != SRD_OK (or segfaults) this test will fail.
+ */
+START_TEST(test_load_all)
+{
+ int ret;
+
+ srd_init(DECODERS_DIR);
+ ret = srd_decoder_load_all();
+ fail_unless(ret == SRD_OK, "srd_decoder_load_all() failed: %d.", ret);
+ srd_exit();
+}
+END_TEST
+
+/*
+ * Check whether srd_decoder_load_all() fails without prior srd_init().
+ * If it returns != SRD_OK (or segfaults) this test will fail.
+ * See also: http://sigrok.org/bugzilla/show_bug.cgi?id=178
+ */
+START_TEST(test_load_all_no_init)
+{
+ int ret;
+
+ ret = srd_decoder_load_all();
+ fail_unless(ret != SRD_OK, "srd_decoder_load_all() didn't fail properly.");
+}
+END_TEST
+
+/*
+ * Check whether srd_decoder_load() works.
+ * If it returns != SRD_OK (or segfaults) this test will fail.
+ */
+START_TEST(test_load)
+{
+ int ret;
+
+ srd_init(DECODERS_DIR);
+ ret = srd_decoder_load("uart");
+ fail_unless(ret == SRD_OK, "srd_decoder_load(uart) failed: %d.", ret);
+ ret = srd_decoder_load("spi");
+ fail_unless(ret == SRD_OK, "srd_decoder_load(spi) failed: %d.", ret);
+ ret = srd_decoder_load("usb_signalling");
+ fail_unless(ret == SRD_OK, "srd_decoder_load(usb_signalling) failed: %d.", ret);
+ srd_exit();
+}
+END_TEST
+
+/*
+ * Check whether srd_decoder_load() fails for non-existing or bogus PDs.
+ * If it returns SRD_OK (or segfaults) this test will fail.
+ */
+START_TEST(test_load_bogus)
+{
+ srd_init(DECODERS_DIR);
+ /* http://sigrok.org/bugzilla/show_bug.cgi?id=176 */
+ fail_unless(srd_decoder_load(NULL) != SRD_OK);
+ fail_unless(srd_decoder_load("") != SRD_OK);
+ fail_unless(srd_decoder_load(" ") != SRD_OK);
+ fail_unless(srd_decoder_load("nonexisting") != SRD_OK);
+ fail_unless(srd_decoder_load("UART") != SRD_OK);
+ fail_unless(srd_decoder_load("UaRt") != SRD_OK);
+ fail_unless(srd_decoder_load("u a r t") != SRD_OK);
+ fail_unless(srd_decoder_load("uart ") != SRD_OK);
+ fail_unless(srd_decoder_load(" uart") != SRD_OK);
+ fail_unless(srd_decoder_load(" uart ") != SRD_OK);
+ fail_unless(srd_decoder_load("uart spi") != SRD_OK);
+ srd_exit();
+}
+END_TEST
+
+/*
+ * Check whether srd_decoder_load() works/fails for valid/bogus PDs.
+ * If it returns incorrect values (or segfaults) this test will fail.
+ */
+START_TEST(test_load_valid_and_bogus)
+{
+ srd_init(DECODERS_DIR);
+ fail_unless(srd_decoder_load("") != SRD_OK);
+ fail_unless(srd_decoder_load("uart") == SRD_OK);
+ fail_unless(srd_decoder_load("") != SRD_OK);
+ fail_unless(srd_decoder_load("spi") == SRD_OK);
+ fail_unless(srd_decoder_load("") != SRD_OK);
+ fail_unless(srd_decoder_load("can") == SRD_OK);
+ fail_unless(srd_decoder_load("") != SRD_OK);
+ srd_exit();
+}
+END_TEST
+
+/*
+ * Check whether srd_decoder_load() fails when run multiple times.
+ * If it returns a value != SRD_OK (or segfaults) this test will fail.
+ * See also: http://sigrok.org/bugzilla/show_bug.cgi?id=177
+ */
+START_TEST(test_load_multiple)
+{
+ int ret;
+
+ srd_init(DECODERS_DIR);
+ ret = srd_decoder_load("uart");
+ fail_unless(ret == SRD_OK, "Loading uart PD 1x failed: %d", ret);
+ ret = srd_decoder_load("uart");
+ fail_unless(ret == SRD_OK, "Loading uart PD 2x failed: %d", ret);
+ ret = srd_decoder_load("uart");
+ fail_unless(ret == SRD_OK, "Loading uart PD 3x failed: %d", ret);
+ srd_exit();
+}
+END_TEST
+
+/*
+ * Check whether srd_decoder_load() fails if a non-existing PD dir is used.
+ * If it returns SRD_OK (or segfaults) this test will fail.
+ */
+START_TEST(test_load_nonexisting_pd_dir)
+{
+#if 0
+ /* TODO: Build libsigrokdecode with no default PD dir. */
+ srd_init("/nonexisting_dir");
+ fail_unless(srd_decoder_load("spi") != SRD_OK);
+ fail_unless(g_slist_length((GSList *)srd_decoder_list()) == 0);
+ srd_exit();
+#endif
+}
+END_TEST
+
+/*
+ * Check whether srd_decoder_list() returns a non-empty list.
+ * If it returns an empty list (or segfaults) this test will fail.
+ */
+START_TEST(test_decoder_list)
+{
+ srd_init(DECODERS_DIR);
+ srd_decoder_load_all();
+ fail_unless(srd_decoder_list() != NULL);
+ srd_exit();
+}
+END_TEST
+
+/*
+ * Check whether srd_decoder_list() without prior srd_decoder_load_all()
+ * returns an empty list (return value != NULL).
+ * If it returns a non-empty list (or segfaults) this test will fail.
+ */
+START_TEST(test_decoder_list_no_load)
+{
+ srd_init(DECODERS_DIR);
+ fail_unless(srd_decoder_list() == NULL);
+ srd_exit();
+}
+END_TEST
+
+/*
+ * Check whether srd_decoder_list() without prior srd_init()
+ * returns an empty list.
+ * If it returns a non-empty list (or segfaults) this test will fail.
+ * See also: http://sigrok.org/bugzilla/show_bug.cgi?id=178
+ */
+START_TEST(test_decoder_list_no_init)
+{
+ srd_decoder_load_all();
+ fail_unless(srd_decoder_list() == NULL);
+}
+END_TEST
+
+/*
+ * Check whether srd_decoder_list() without prior srd_init() and without
+ * prior srd_decoder_load_all() returns an empty list.
+ * If it returns a non-empty list (or segfaults) this test will fail.
+ */
+START_TEST(test_decoder_list_no_init_no_load)
+{
+ fail_unless(srd_decoder_list() == NULL);
+}
+END_TEST
+
+/*
+ * Check whether srd_decoder_list() returns the correct number of PDs.
+ * If it returns a wrong number (or segfaults) this test will fail.
+ */
+START_TEST(test_decoder_list_correct_numbers)
+{
+ srd_init(DECODERS_DIR);
+ fail_unless(g_slist_length((GSList *)srd_decoder_list()) == 0);
+ srd_decoder_load("spi");
+ fail_unless(g_slist_length((GSList *)srd_decoder_list()) == 1);
+ srd_decoder_load("uart");
+ fail_unless(g_slist_length((GSList *)srd_decoder_list()) == 2);
+ srd_decoder_load("can");
+ fail_unless(g_slist_length((GSList *)srd_decoder_list()) == 3);
+ srd_decoder_load("can"); /* Load same PD twice. */
+ fail_unless(g_slist_length((GSList *)srd_decoder_list()) == 3);
+ srd_exit();
+}
+END_TEST
+
+/*
+ * Check whether srd_decoder_get_by_id() works.
+ * If it returns NULL for valid PDs (or segfaults) this test will fail.
+ */
+START_TEST(test_get_by_id)
+{
+ srd_init(DECODERS_DIR);
+ srd_decoder_load("uart");
+ fail_unless(srd_decoder_get_by_id("uart") != NULL);
+ fail_unless(srd_decoder_get_by_id("can") == NULL);
+ srd_decoder_load("can");
+ fail_unless(srd_decoder_get_by_id("uart") != NULL);
+ fail_unless(srd_decoder_get_by_id("can") != NULL);
+ srd_exit();
+}
+END_TEST
+
+/*
+ * Check whether srd_decoder_get_by_id() works multiple times in a row.
+ * If it returns NULL for valid PDs (or segfaults) this test will fail.
+ */
+START_TEST(test_get_by_id_multiple)
+{
+ srd_init(DECODERS_DIR);
+ srd_decoder_load("uart");
+ fail_unless(srd_decoder_get_by_id("uart") != NULL);
+ fail_unless(srd_decoder_get_by_id("uart") != NULL);
+ fail_unless(srd_decoder_get_by_id("uart") != NULL);
+ fail_unless(srd_decoder_get_by_id("uart") != NULL);
+ srd_exit();
+}
+END_TEST
+
+/*
+ * Check whether srd_decoder_get_by_id() fails for bogus PDs.
+ * If it returns a value != NULL (or segfaults) this test will fail.
+ */
+START_TEST(test_get_by_id_bogus)
+{
+ srd_init(DECODERS_DIR);
+ fail_unless(srd_decoder_get_by_id(NULL) == NULL);
+ fail_unless(srd_decoder_get_by_id("") == NULL);
+ fail_unless(srd_decoder_get_by_id(" ") == NULL);
+ fail_unless(srd_decoder_get_by_id("nonexisting") == NULL);
+ fail_unless(srd_decoder_get_by_id("sPi") == NULL);
+ fail_unless(srd_decoder_get_by_id("SPI") == NULL);
+ fail_unless(srd_decoder_get_by_id("s p i") == NULL);
+ fail_unless(srd_decoder_get_by_id(" spi") == NULL);
+ fail_unless(srd_decoder_get_by_id("spi ") == NULL);
+ fail_unless(srd_decoder_get_by_id(" spi ") == NULL);
+ fail_unless(srd_decoder_get_by_id("spi uart") == NULL);
+ srd_exit();
+}
+END_TEST
+
+/*
+ * Check whether srd_decoder_doc_get() works.
+ * If it returns NULL for valid PDs (or segfaults) this test will fail.
+ */
+START_TEST(test_doc_get)
+{
+ struct srd_decoder *dec;
+
+ srd_init(DECODERS_DIR);
+ srd_decoder_load("uart");
+ dec = srd_decoder_get_by_id("uart");
+ fail_unless(srd_decoder_doc_get(dec) != NULL);
+ srd_exit();
+}
+END_TEST
+
+/*
+ * Check whether srd_decoder_doc_get() fails with NULL as argument.
+ * If it returns a value != NULL (or segfaults) this test will fail.
+ * See also: http://sigrok.org/bugzilla/show_bug.cgi?id=179
+ */
+START_TEST(test_doc_get_null)
+{
+ srd_init(DECODERS_DIR);
+ fail_unless(srd_decoder_doc_get(NULL) == NULL);
+ srd_exit();
+}
+END_TEST
+
+Suite *suite_decoder(void)
+{
+ Suite *s;
+ TCase *tc;
+
+ s = suite_create("decoder");
+
+ tc = tcase_create("load");
+ tcase_set_timeout(tc, 0);
+ tcase_add_checked_fixture(tc, srdtest_setup, srdtest_teardown);
+ tcase_add_test(tc, test_load_all);
+ tcase_add_test(tc, test_load_all_no_init);
+ tcase_add_test(tc, test_load);
+ tcase_add_test(tc, test_load_bogus);
+ tcase_add_test(tc, test_load_valid_and_bogus);
+ tcase_add_test(tc, test_load_multiple);
+ tcase_add_test(tc, test_load_nonexisting_pd_dir);
+ suite_add_tcase(s, tc);
+
+ tc = tcase_create("list");
+ tcase_add_checked_fixture(tc, srdtest_setup, srdtest_teardown);
+ tcase_add_test(tc, test_decoder_list);
+ tcase_add_test(tc, test_decoder_list_no_load);
+ tcase_add_test(tc, test_decoder_list_no_init);
+ tcase_add_test(tc, test_decoder_list_no_init_no_load);
+ tcase_add_test(tc, test_decoder_list_correct_numbers);
+ suite_add_tcase(s, tc);
+
+ tc = tcase_create("get_by_id");
+ tcase_add_test(tc, test_get_by_id);
+ tcase_add_test(tc, test_get_by_id_multiple);
+ tcase_add_test(tc, test_get_by_id_bogus);
+ suite_add_tcase(s, tc);
+
+ tc = tcase_create("doc_get");
+ tcase_add_test(tc, test_doc_get);
+ tcase_add_test(tc, test_doc_get_null);
+ suite_add_tcase(s, tc);
+
+ return s;
+}
projects / libsigrokdecode.git / blobdiff