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Diffstat (limited to 'tests/decoder.c')
| -rw-r--r-- | tests/decoder.c | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/tests/decoder.c b/tests/decoder.c new file mode 100644 index 0000000..726e17c --- /dev/null +++ b/tests/decoder.c @@ -0,0 +1,345 @@ +/* + * 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; +} |