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1 | /* | |
2 | * This file is part of the libsigrokdecode project. | |
3 | * | |
4 | * Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include "../libsigrokdecode.h" /* First, to avoid compiler warning. */ | |
22 | #include <stdlib.h> | |
23 | #include <check.h> | |
24 | #include "lib.h" | |
25 | ||
26 | static void setup(void) | |
27 | { | |
28 | /* Silence libsigrokdecode while the unit tests run. */ | |
29 | srd_log_loglevel_set(SRD_LOG_NONE); | |
30 | } | |
31 | ||
32 | static void teardown(void) | |
33 | { | |
34 | } | |
35 | ||
36 | /* | |
37 | * Check whether srd_decoder_load_all() works. | |
38 | * If it returns != SRD_OK (or segfaults) this test will fail. | |
39 | */ | |
40 | START_TEST(test_load_all) | |
41 | { | |
42 | int ret; | |
43 | ||
44 | srd_init(DECODERS_DIR); | |
45 | ret = srd_decoder_load_all(); | |
46 | fail_unless(ret == SRD_OK, "srd_decoder_load_all() failed: %d.", ret); | |
47 | srd_exit(); | |
48 | } | |
49 | END_TEST | |
50 | ||
51 | /* | |
52 | * Check whether srd_decoder_load_all() fails without prior srd_init(). | |
53 | * If it returns != SRD_OK (or segfaults) this test will fail. | |
54 | * See also: http://sigrok.org/bugzilla/show_bug.cgi?id=178 | |
55 | */ | |
56 | START_TEST(test_load_all_no_init) | |
57 | { | |
58 | int ret; | |
59 | ||
60 | ret = srd_decoder_load_all(); | |
61 | fail_unless(ret != SRD_OK, "srd_decoder_load_all() didn't fail properly."); | |
62 | } | |
63 | END_TEST | |
64 | ||
65 | /* | |
66 | * Check whether srd_decoder_load() works. | |
67 | * If it returns != SRD_OK (or segfaults) this test will fail. | |
68 | */ | |
69 | START_TEST(test_load) | |
70 | { | |
71 | int ret; | |
72 | ||
73 | srd_init(DECODERS_DIR); | |
74 | ret = srd_decoder_load("uart"); | |
75 | fail_unless(ret == SRD_OK, "srd_decoder_load(uart) failed: %d.", ret); | |
76 | ret = srd_decoder_load("spi"); | |
77 | fail_unless(ret == SRD_OK, "srd_decoder_load(spi) failed: %d.", ret); | |
78 | ret = srd_decoder_load("usb_signalling"); | |
79 | fail_unless(ret == SRD_OK, "srd_decoder_load(usb_signalling) failed: %d.", ret); | |
80 | srd_exit(); | |
81 | } | |
82 | END_TEST | |
83 | ||
84 | /* | |
85 | * Check whether srd_decoder_load() fails for non-existing or bogus PDs. | |
86 | * If it returns SRD_OK (or segfaults) this test will fail. | |
87 | */ | |
88 | START_TEST(test_load_bogus) | |
89 | { | |
90 | srd_init(DECODERS_DIR); | |
91 | /* http://sigrok.org/bugzilla/show_bug.cgi?id=176 */ | |
92 | fail_unless(srd_decoder_load(NULL) != SRD_OK); | |
93 | fail_unless(srd_decoder_load("") != SRD_OK); | |
94 | fail_unless(srd_decoder_load(" ") != SRD_OK); | |
95 | fail_unless(srd_decoder_load("nonexisting") != SRD_OK); | |
96 | fail_unless(srd_decoder_load("UART") != SRD_OK); | |
97 | fail_unless(srd_decoder_load("UaRt") != SRD_OK); | |
98 | fail_unless(srd_decoder_load("u a r t") != SRD_OK); | |
99 | fail_unless(srd_decoder_load("uart ") != SRD_OK); | |
100 | fail_unless(srd_decoder_load(" uart") != SRD_OK); | |
101 | fail_unless(srd_decoder_load(" uart ") != SRD_OK); | |
102 | fail_unless(srd_decoder_load("uart spi") != SRD_OK); | |
103 | srd_exit(); | |
104 | } | |
105 | END_TEST | |
106 | ||
107 | /* | |
108 | * Check whether srd_decoder_load() works/fails for valid/bogus PDs. | |
109 | * If it returns incorrect values (or segfaults) this test will fail. | |
110 | */ | |
111 | START_TEST(test_load_valid_and_bogus) | |
112 | { | |
113 | srd_init(DECODERS_DIR); | |
114 | fail_unless(srd_decoder_load("") != SRD_OK); | |
115 | fail_unless(srd_decoder_load("uart") == SRD_OK); | |
116 | fail_unless(srd_decoder_load("") != SRD_OK); | |
117 | fail_unless(srd_decoder_load("spi") == SRD_OK); | |
118 | fail_unless(srd_decoder_load("") != SRD_OK); | |
119 | fail_unless(srd_decoder_load("can") == SRD_OK); | |
120 | fail_unless(srd_decoder_load("") != SRD_OK); | |
121 | srd_exit(); | |
122 | } | |
123 | END_TEST | |
124 | ||
125 | /* | |
126 | * Check whether srd_decoder_load() fails when run multiple times. | |
127 | * If it returns a value != SRD_OK (or segfaults) this test will fail. | |
128 | * See also: http://sigrok.org/bugzilla/show_bug.cgi?id=177 | |
129 | */ | |
130 | START_TEST(test_load_multiple) | |
131 | { | |
132 | int ret; | |
133 | ||
134 | srd_init(DECODERS_DIR); | |
135 | ret = srd_decoder_load("uart"); | |
136 | fail_unless(ret == SRD_OK, "Loading uart PD 1x failed: %d", ret); | |
137 | ret = srd_decoder_load("uart"); | |
138 | fail_unless(ret == SRD_OK, "Loading uart PD 2x failed: %d", ret); | |
139 | ret = srd_decoder_load("uart"); | |
140 | fail_unless(ret == SRD_OK, "Loading uart PD 3x failed: %d", ret); | |
141 | srd_exit(); | |
142 | } | |
143 | END_TEST | |
144 | ||
145 | /* | |
146 | * Check whether srd_decoder_load() fails if a non-existing PD dir is used. | |
147 | * If it returns SRD_OK (or segfaults) this test will fail. | |
148 | */ | |
149 | START_TEST(test_load_nonexisting_pd_dir) | |
150 | { | |
151 | #if 0 | |
152 | /* TODO: Build libsigrokdecode with no default PD dir. */ | |
153 | srd_init("/nonexisting_dir"); | |
154 | fail_unless(srd_decoder_load("spi") != SRD_OK); | |
155 | fail_unless(g_slist_length((GSList *)srd_decoder_list()) == 0); | |
156 | srd_exit(); | |
157 | #endif | |
158 | } | |
159 | END_TEST | |
160 | ||
161 | /* | |
162 | * Check whether srd_decoder_list() returns a non-empty list. | |
163 | * If it returns an empty list (or segfaults) this test will fail. | |
164 | */ | |
165 | START_TEST(test_decoder_list) | |
166 | { | |
167 | srd_init(DECODERS_DIR); | |
168 | srd_decoder_load_all(); | |
169 | fail_unless(srd_decoder_list() != NULL); | |
170 | srd_exit(); | |
171 | } | |
172 | END_TEST | |
173 | ||
174 | /* | |
175 | * Check whether srd_decoder_list() without prior srd_decoder_load_all() | |
176 | * returns an empty list (return value != NULL). | |
177 | * If it returns a non-empty list (or segfaults) this test will fail. | |
178 | */ | |
179 | START_TEST(test_decoder_list_no_load) | |
180 | { | |
181 | srd_init(DECODERS_DIR); | |
182 | fail_unless(srd_decoder_list() == NULL); | |
183 | srd_exit(); | |
184 | } | |
185 | END_TEST | |
186 | ||
187 | /* | |
188 | * Check whether srd_decoder_list() without prior srd_init() | |
189 | * returns an empty list. | |
190 | * If it returns a non-empty list (or segfaults) this test will fail. | |
191 | * See also: http://sigrok.org/bugzilla/show_bug.cgi?id=178 | |
192 | */ | |
193 | START_TEST(test_decoder_list_no_init) | |
194 | { | |
195 | srd_decoder_load_all(); | |
196 | fail_unless(srd_decoder_list() == NULL); | |
197 | } | |
198 | END_TEST | |
199 | ||
200 | /* | |
201 | * Check whether srd_decoder_list() without prior srd_init() and without | |
202 | * prior srd_decoder_load_all() returns an empty list. | |
203 | * If it returns a non-empty list (or segfaults) this test will fail. | |
204 | */ | |
205 | START_TEST(test_decoder_list_no_init_no_load) | |
206 | { | |
207 | fail_unless(srd_decoder_list() == NULL); | |
208 | } | |
209 | END_TEST | |
210 | ||
211 | /* | |
212 | * Check whether srd_decoder_list() returns the correct number of PDs. | |
213 | * If it returns a wrong number (or segfaults) this test will fail. | |
214 | */ | |
215 | START_TEST(test_decoder_list_correct_numbers) | |
216 | { | |
217 | srd_init(DECODERS_DIR); | |
218 | fail_unless(g_slist_length((GSList *)srd_decoder_list()) == 0); | |
219 | srd_decoder_load("spi"); | |
220 | fail_unless(g_slist_length((GSList *)srd_decoder_list()) == 1); | |
221 | srd_decoder_load("uart"); | |
222 | fail_unless(g_slist_length((GSList *)srd_decoder_list()) == 2); | |
223 | srd_decoder_load("can"); | |
224 | fail_unless(g_slist_length((GSList *)srd_decoder_list()) == 3); | |
225 | srd_decoder_load("can"); /* Load same PD twice. */ | |
226 | fail_unless(g_slist_length((GSList *)srd_decoder_list()) == 3); | |
227 | srd_exit(); | |
228 | } | |
229 | END_TEST | |
230 | ||
231 | /* | |
232 | * Check whether srd_decoder_get_by_id() works. | |
233 | * If it returns NULL for valid PDs (or segfaults) this test will fail. | |
234 | */ | |
235 | START_TEST(test_get_by_id) | |
236 | { | |
237 | srd_init(DECODERS_DIR); | |
238 | srd_decoder_load("uart"); | |
239 | fail_unless(srd_decoder_get_by_id("uart") != NULL); | |
240 | fail_unless(srd_decoder_get_by_id("can") == NULL); | |
241 | srd_decoder_load("can"); | |
242 | fail_unless(srd_decoder_get_by_id("uart") != NULL); | |
243 | fail_unless(srd_decoder_get_by_id("can") != NULL); | |
244 | srd_exit(); | |
245 | } | |
246 | END_TEST | |
247 | ||
248 | /* | |
249 | * Check whether srd_decoder_get_by_id() works multiple times in a row. | |
250 | * If it returns NULL for valid PDs (or segfaults) this test will fail. | |
251 | */ | |
252 | START_TEST(test_get_by_id_multiple) | |
253 | { | |
254 | srd_init(DECODERS_DIR); | |
255 | srd_decoder_load("uart"); | |
256 | fail_unless(srd_decoder_get_by_id("uart") != NULL); | |
257 | fail_unless(srd_decoder_get_by_id("uart") != NULL); | |
258 | fail_unless(srd_decoder_get_by_id("uart") != NULL); | |
259 | fail_unless(srd_decoder_get_by_id("uart") != NULL); | |
260 | srd_exit(); | |
261 | } | |
262 | END_TEST | |
263 | ||
264 | /* | |
265 | * Check whether srd_decoder_get_by_id() fails for bogus PDs. | |
266 | * If it returns a value != NULL (or segfaults) this test will fail. | |
267 | */ | |
268 | START_TEST(test_get_by_id_bogus) | |
269 | { | |
270 | srd_init(DECODERS_DIR); | |
271 | fail_unless(srd_decoder_get_by_id(NULL) == NULL); | |
272 | fail_unless(srd_decoder_get_by_id("") == NULL); | |
273 | fail_unless(srd_decoder_get_by_id(" ") == NULL); | |
274 | fail_unless(srd_decoder_get_by_id("nonexisting") == NULL); | |
275 | fail_unless(srd_decoder_get_by_id("sPi") == NULL); | |
276 | fail_unless(srd_decoder_get_by_id("SPI") == NULL); | |
277 | fail_unless(srd_decoder_get_by_id("s p i") == NULL); | |
278 | fail_unless(srd_decoder_get_by_id(" spi") == NULL); | |
279 | fail_unless(srd_decoder_get_by_id("spi ") == NULL); | |
280 | fail_unless(srd_decoder_get_by_id(" spi ") == NULL); | |
281 | fail_unless(srd_decoder_get_by_id("spi uart") == NULL); | |
282 | srd_exit(); | |
283 | } | |
284 | END_TEST | |
285 | ||
286 | /* | |
287 | * Check whether srd_decoder_doc_get() works. | |
288 | * If it returns NULL for valid PDs (or segfaults) this test will fail. | |
289 | */ | |
290 | START_TEST(test_doc_get) | |
291 | { | |
292 | struct srd_decoder *dec; | |
293 | ||
294 | srd_init(DECODERS_DIR); | |
295 | srd_decoder_load("uart"); | |
296 | dec = srd_decoder_get_by_id("uart"); | |
297 | fail_unless(srd_decoder_doc_get(dec) != NULL); | |
298 | srd_exit(); | |
299 | } | |
300 | END_TEST | |
301 | ||
302 | /* | |
303 | * Check whether srd_decoder_doc_get() fails with NULL as argument. | |
304 | * If it returns a value != NULL (or segfaults) this test will fail. | |
305 | * See also: http://sigrok.org/bugzilla/show_bug.cgi?id=179 | |
306 | */ | |
307 | START_TEST(test_doc_get_null) | |
308 | { | |
309 | srd_init(DECODERS_DIR); | |
310 | fail_unless(srd_decoder_doc_get(NULL) == NULL); | |
311 | srd_exit(); | |
312 | } | |
313 | END_TEST | |
314 | ||
315 | Suite *suite_decoder(void) | |
316 | { | |
317 | Suite *s; | |
318 | TCase *tc; | |
319 | ||
320 | s = suite_create("decoder"); | |
321 | ||
322 | tc = tcase_create("load"); | |
323 | tcase_add_checked_fixture(tc, setup, teardown); | |
324 | tcase_add_test(tc, test_load_all); | |
325 | tcase_add_test(tc, test_load_all_no_init); | |
326 | tcase_add_test(tc, test_load); | |
327 | tcase_add_test(tc, test_load_bogus); | |
328 | tcase_add_test(tc, test_load_valid_and_bogus); | |
329 | tcase_add_test(tc, test_load_multiple); | |
330 | tcase_add_test(tc, test_load_nonexisting_pd_dir); | |
331 | suite_add_tcase(s, tc); | |
332 | ||
333 | tc = tcase_create("list"); | |
334 | tcase_add_checked_fixture(tc, setup, teardown); | |
335 | tcase_add_test(tc, test_decoder_list); | |
336 | tcase_add_test(tc, test_decoder_list_no_load); | |
337 | tcase_add_test(tc, test_decoder_list_no_init); | |
338 | tcase_add_test(tc, test_decoder_list_no_init_no_load); | |
339 | tcase_add_test(tc, test_decoder_list_correct_numbers); | |
340 | suite_add_tcase(s, tc); | |
341 | ||
342 | tc = tcase_create("get_by_id"); | |
343 | tcase_add_test(tc, test_get_by_id); | |
344 | tcase_add_test(tc, test_get_by_id_multiple); | |
345 | tcase_add_test(tc, test_get_by_id_bogus); | |
346 | suite_add_tcase(s, tc); | |
347 | ||
348 | tc = tcase_create("doc_get"); | |
349 | tcase_add_test(tc, test_doc_get); | |
350 | tcase_add_test(tc, test_doc_get_null); | |
351 | suite_add_tcase(s, tc); | |
352 | ||
353 | return s; | |
354 | } |