1 /*
2 * Copyright © 2011 Google, Inc.
3 *
4 * This is part of HarfBuzz, a text shaping library.
5 *
6 * Permission is hereby granted, without written agreement and without
7 * license or royalty fees, to use, copy, modify, and distribute this
8 * software and its documentation for any purpose, provided that the
9 * above copyright notice and the following two paragraphs appear in
10 * all copies of this software.
11 *
12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
16 * DAMAGE.
17 *
18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
23 *
24 * Google Author(s): Behdad Esfahbod
25 */
26
27 #include "hb-test.h"
28
29 /* Unit tests for hb-common.h */
30
31
32 static void
33 test_types_int (void)
34 {
35 g_assert_cmpint (sizeof (int8_t), ==, 1);
36 g_assert_cmpint (sizeof (uint8_t), ==, 1);
37 g_assert_cmpint (sizeof (int16_t), ==, 2);
38 g_assert_cmpint (sizeof (uint16_t), ==, 2);
39 g_assert_cmpint (sizeof (int32_t), ==, 4);
40 g_assert_cmpint (sizeof (uint32_t), ==, 4);
41 g_assert_cmpint (sizeof (int64_t), ==, 8);
42 g_assert_cmpint (sizeof (uint64_t), ==, 8);
43
44 g_assert_cmpint (sizeof (hb_codepoint_t), ==, 4);
45 g_assert_cmpint (sizeof (hb_position_t), ==, 4);
46 g_assert_cmpint (sizeof (hb_mask_t), ==, 4);
47 g_assert_cmpint (sizeof (hb_var_int_t), ==, 4);
48 }
49
50 static void
51 test_types_direction (void)
52 {
53 g_assert_cmpint ((signed) HB_DIRECTION_INVALID, ==, 0);
54 g_assert_cmpint (HB_DIRECTION_LTR, !=, 0);
55
56 g_assert (HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_LTR));
57 g_assert (HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_RTL));
58 g_assert (!HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_TTB));
59 g_assert (!HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_BTT));
60 g_assert (!HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_INVALID));
61
62 g_assert (!HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_LTR));
63 g_assert (!HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_RTL));
64 g_assert (HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_TTB));
65 g_assert (HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_BTT));
66 g_assert (!HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_INVALID));
67
68 g_assert (HB_DIRECTION_IS_FORWARD (HB_DIRECTION_LTR));
69 g_assert (HB_DIRECTION_IS_FORWARD (HB_DIRECTION_TTB));
70 g_assert (!HB_DIRECTION_IS_FORWARD (HB_DIRECTION_RTL));
71 g_assert (!HB_DIRECTION_IS_FORWARD (HB_DIRECTION_BTT));
72 g_assert (!HB_DIRECTION_IS_FORWARD (HB_DIRECTION_INVALID));
73
74 g_assert (!HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_LTR));
75 g_assert (!HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_TTB));
76 g_assert (HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_RTL));
77 g_assert (HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_BTT));
78 g_assert (!HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_INVALID));
79
80 g_assert (HB_DIRECTION_IS_VALID (HB_DIRECTION_LTR));
81 g_assert (HB_DIRECTION_IS_VALID (HB_DIRECTION_TTB));
82 g_assert (HB_DIRECTION_IS_VALID (HB_DIRECTION_RTL));
83 g_assert (HB_DIRECTION_IS_VALID (HB_DIRECTION_BTT));
84 g_assert (!HB_DIRECTION_IS_VALID (HB_DIRECTION_INVALID));
85 g_assert (!HB_DIRECTION_IS_VALID ((hb_direction_t) 0x12345678));
86
87 g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_LTR), ==, HB_DIRECTION_RTL);
88 g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_RTL), ==, HB_DIRECTION_LTR);
89 g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_TTB), ==, HB_DIRECTION_BTT);
90 g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_BTT), ==, HB_DIRECTION_TTB);
91 //g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_INVALID), ==, HB_DIRECTION_INVALID);
92
93 g_assert_cmpint (HB_DIRECTION_INVALID, ==, hb_direction_from_string (NULL, -1));
94 g_assert_cmpint (HB_DIRECTION_INVALID, ==, hb_direction_from_string ("", -1));
95 g_assert_cmpint (HB_DIRECTION_INVALID, ==, hb_direction_from_string ("t", 0));
96 g_assert_cmpint (HB_DIRECTION_INVALID, ==, hb_direction_from_string ("x", -1));
97 g_assert_cmpint (HB_DIRECTION_RTL, ==, hb_direction_from_string ("r", -1));
98 g_assert_cmpint (HB_DIRECTION_RTL, ==, hb_direction_from_string ("rtl", -1));
99 g_assert_cmpint (HB_DIRECTION_RTL, ==, hb_direction_from_string ("RtL", -1));
100 g_assert_cmpint (HB_DIRECTION_RTL, ==, hb_direction_from_string ("right-to-left", -1));
101 g_assert_cmpint (HB_DIRECTION_TTB, ==, hb_direction_from_string ("ttb", -1));
102
103 g_assert (0 == strcmp ("ltr", hb_direction_to_string (HB_DIRECTION_LTR)));
104 g_assert (0 == strcmp ("rtl", hb_direction_to_string (HB_DIRECTION_RTL)));
105 g_assert (0 == strcmp ("ttb", hb_direction_to_string (HB_DIRECTION_TTB)));
106 g_assert (0 == strcmp ("btt", hb_direction_to_string (HB_DIRECTION_BTT)));
107 g_assert (0 == strcmp ("invalid", hb_direction_to_string (HB_DIRECTION_INVALID)));
108 }
109
110 static void
111 test_types_tag (void)
112 {
113 g_assert_cmphex (HB_TAG_NONE, ==, 0);
114
115 g_assert_cmphex (HB_TAG ('a','B','c','D'), ==, 0x61426344);
116
117 g_assert_cmphex (hb_tag_from_string ("aBcDe", -1), ==, 0x61426344);
118 g_assert_cmphex (hb_tag_from_string ("aBcD", -1), ==, 0x61426344);
119 g_assert_cmphex (hb_tag_from_string ("aBc", -1), ==, 0x61426320);
120 g_assert_cmphex (hb_tag_from_string ("aB", -1), ==, 0x61422020);
121 g_assert_cmphex (hb_tag_from_string ("a", -1), ==, 0x61202020);
122 g_assert_cmphex (hb_tag_from_string ("aBcDe", 1), ==, 0x61202020);
123 g_assert_cmphex (hb_tag_from_string ("aBcDe", 2), ==, 0x61422020);
124 g_assert_cmphex (hb_tag_from_string ("aBcDe", 3), ==, 0x61426320);
125 g_assert_cmphex (hb_tag_from_string ("aBcDe", 4), ==, 0x61426344);
126 g_assert_cmphex (hb_tag_from_string ("aBcDe", 4), ==, 0x61426344);
127
128 g_assert_cmphex (hb_tag_from_string ("", -1), ==, HB_TAG_NONE);
129 g_assert_cmphex (hb_tag_from_string ("x", 0), ==, HB_TAG_NONE);
130 g_assert_cmphex (hb_tag_from_string (NULL, -1), ==, HB_TAG_NONE);
131 }
132
133 static void
134 test_types_script (void)
135 {
136 hb_tag_t arab = HB_TAG_CHAR4 ("arab");
137 hb_tag_t Arab = HB_TAG_CHAR4 ("Arab");
138 hb_tag_t ARAB = HB_TAG_CHAR4 ("ARAB");
139
140 hb_tag_t wWyZ = HB_TAG_CHAR4 ("wWyZ");
141 hb_tag_t Wwyz = HB_TAG_CHAR4 ("Wwyz");
142
143 hb_tag_t x123 = HB_TAG_CHAR4 ("x123");
144
145 g_assert_cmpint (HB_SCRIPT_INVALID, ==, (hb_script_t) HB_TAG_NONE);
146 g_assert_cmphex (HB_SCRIPT_ARABIC, !=, HB_SCRIPT_LATIN);
147
148 g_assert_cmphex (HB_SCRIPT_INVALID, ==, hb_script_from_string (NULL, -1));
149 g_assert_cmphex (HB_SCRIPT_INVALID, ==, hb_script_from_string ("", -1));
150 g_assert_cmphex (HB_SCRIPT_INVALID, ==, hb_script_from_string ("x", 0));
151 g_assert_cmphex (HB_SCRIPT_UNKNOWN, ==, hb_script_from_string ("x", -1));
152
153 g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_string ("arab", -1));
154 g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_string ("Arab", -1));
155 g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_string ("ARAB", -1));
156 g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_string ("Arabic", 6));
157 g_assert_cmphex (HB_SCRIPT_ARABIC, !=, hb_script_from_string ("Arabic", 3));
158
159 g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_iso15924_tag (arab));
160 g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_iso15924_tag (Arab));
161 g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_iso15924_tag (ARAB));
162
163 /* Arbitrary tags that look like may be valid ISO 15924 should be preserved. */
164 g_assert_cmphex (HB_SCRIPT_UNKNOWN, !=, hb_script_from_string ("wWyZ", -1));
165 g_assert_cmphex (HB_SCRIPT_UNKNOWN, !=, hb_script_from_iso15924_tag (wWyZ));
166 /* Otherwise, UNKNOWN should be returned. */
167 g_assert_cmphex (HB_SCRIPT_UNKNOWN, ==, hb_script_from_string ("x123", -1));
168 g_assert_cmphex (HB_SCRIPT_UNKNOWN, ==, hb_script_from_iso15924_tag (x123));
169
170 g_assert_cmphex (hb_script_to_iso15924_tag (HB_SCRIPT_ARABIC), ==, Arab);
171 g_assert_cmphex (hb_script_to_iso15924_tag (hb_script_from_iso15924_tag (wWyZ)), ==, Wwyz);
172
173 g_assert_cmpint (hb_script_get_horizontal_direction (HB_SCRIPT_LATIN), ==, HB_DIRECTION_LTR);
174 g_assert_cmpint (hb_script_get_horizontal_direction (HB_SCRIPT_ARABIC), ==, HB_DIRECTION_RTL);
175 g_assert_cmpint (hb_script_get_horizontal_direction (HB_SCRIPT_OLD_ITALIC), ==, HB_DIRECTION_INVALID);
176 g_assert_cmpint (hb_script_get_horizontal_direction (hb_script_from_iso15924_tag (wWyZ)), ==, HB_DIRECTION_LTR);
177 }
178
179 static void
180 test_types_language (void)
181 {
182 hb_language_t fa = hb_language_from_string ("fa", -1);
183 hb_language_t fa_IR = hb_language_from_string ("fa_IR", -1);
184 hb_language_t fa_ir = hb_language_from_string ("fa-ir", -1);
185 hb_language_t en = hb_language_from_string ("en", -1);
186
187 g_assert (HB_LANGUAGE_INVALID == NULL);
188
189 g_assert (fa != NULL);
190 g_assert (fa_IR != NULL);
191 g_assert (fa_IR == fa_ir);
192
193 g_assert (en != NULL);
194 g_assert (en != fa);
195
196 /* Test recall */
197 g_assert (en == hb_language_from_string ("en", -1));
198 g_assert (en == hb_language_from_string ("eN", -1));
199 g_assert (en == hb_language_from_string ("Enx", 2));
200
201 g_assert (HB_LANGUAGE_INVALID == hb_language_from_string (NULL, -1));
202 g_assert (HB_LANGUAGE_INVALID == hb_language_from_string ("", -1));
203 g_assert (HB_LANGUAGE_INVALID == hb_language_from_string ("en", 0));
204 g_assert (HB_LANGUAGE_INVALID != hb_language_from_string ("en", 1));
205 g_assert (NULL == hb_language_to_string (HB_LANGUAGE_INVALID));
206
207 /* Not sure how to test this better. Setting env vars
208 * here doesn't sound like the right approach, and I'm
209 * not sure that it even works. */
210 g_assert (HB_LANGUAGE_INVALID != hb_language_get_default ());
211 }
212
213 static void
214 test_types_feature (void)
215 {
216 hb_feature_t feature;
217 char buf[100];
218
219 g_assert (hb_feature_from_string ("abcd", -1, &feature));
220 hb_feature_to_string (&feature, buf, 100);
221 g_assert (0 == strcmp ("abcd", buf));
222
223 g_assert (hb_feature_from_string ("abcd=1", -1, &feature));
224 hb_feature_to_string (&feature, buf, 100);
225 g_assert (0 == strcmp ("abcd", buf));
226
227 g_assert (hb_feature_from_string ("+abcd", -1, &feature));
228 hb_feature_to_string (&feature, buf, 100);
229 g_assert (0 == strcmp ("abcd", buf));
230
231 g_assert (hb_feature_from_string ("abcd=0", -1, &feature));
232 hb_feature_to_string (&feature, buf, 100);
233 g_assert (0 == strcmp ("-abcd", buf));
234
235 g_assert (hb_feature_from_string ("-abcd", -1, &feature));
236 hb_feature_to_string (&feature, buf, 100);
237 g_assert (0 == strcmp ("-abcd", buf));
238
239 g_assert (hb_feature_from_string ("abcd=2", -1, &feature));
240 hb_feature_to_string (&feature, buf, 100);
241 g_assert (0 == strcmp ("abcd=2", buf));
242
243 g_assert (hb_feature_from_string ("+abcd=2", -1, &feature));
244 hb_feature_to_string (&feature, buf, 100);
245 g_assert (0 == strcmp ("abcd=2", buf));
246
247 g_assert (hb_feature_from_string ("-abcd=2", -1, &feature));
248 hb_feature_to_string (&feature, buf, 100);
249 g_assert (0 == strcmp ("abcd=2", buf));
250
251 g_assert (hb_feature_from_string ("\"abcd\" on", -1, &feature));
252 hb_feature_to_string (&feature, buf, 100);
253 g_assert (0 == strcmp ("abcd", buf));
254
255 g_assert (hb_feature_from_string ("\"abcd\" off", -1, &feature));
256 hb_feature_to_string (&feature, buf, 100);
257 g_assert (0 == strcmp ("-abcd", buf));
258
259 g_assert (hb_feature_from_string ("\"abcd\" 1", -1, &feature));
260 hb_feature_to_string (&feature, buf, 100);
261 g_assert (0 == strcmp ("abcd", buf));
262
263 g_assert (hb_feature_from_string ("\"abcd\" 0", -1, &feature));
264 hb_feature_to_string (&feature, buf, 100);
265 g_assert (0 == strcmp ("-abcd", buf));
266
267 g_assert (hb_feature_from_string ("\"abcd\" 2", -1, &feature));
268 hb_feature_to_string (&feature, buf, 100);
269 g_assert (0 == strcmp ("abcd=2", buf));
270
271 g_assert (hb_feature_from_string ("abcd[0]", -1, &feature));
272 hb_feature_to_string (&feature, buf, 100);
273 g_assert (0 == strcmp ("abcd[]", buf));
274
275 g_assert (hb_feature_from_string ("abcd[1]", -1, &feature));
276 hb_feature_to_string (&feature, buf, 100);
277 g_assert (0 == strcmp ("abcd[1]", buf));
278
279 g_assert (hb_feature_from_string ("abcd[1]=1", -1, &feature));
280 hb_feature_to_string (&feature, buf, 100);
281 g_assert (0 == strcmp ("abcd[1]", buf));
282
283 g_assert (hb_feature_from_string ("abcd[1]=2", -1, &feature));
284 hb_feature_to_string (&feature, buf, 100);
285 g_assert (0 == strcmp ("abcd[1]=2", buf));
286
287 g_assert (hb_feature_from_string ("abcd[1]=0", -1, &feature));
288 hb_feature_to_string (&feature, buf, 100);
289 g_assert (0 == strcmp ("-abcd[1]", buf));
290
291 g_assert (hb_feature_from_string ("abcd[]", -1, &feature));
292 hb_feature_to_string (&feature, buf, 100);
293 g_assert (0 == strcmp ("abcd", buf));
294
295 g_assert (hb_feature_from_string ("abcd[:]", -1, &feature));
296 hb_feature_to_string (&feature, buf, 100);
297 g_assert (0 == strcmp ("abcd", buf));
298
299 g_assert (hb_feature_from_string ("abcd[1:]", -1, &feature));
300 hb_feature_to_string (&feature, buf, 100);
301 g_assert (0 == strcmp ("abcd[1:]", buf));
302
303 g_assert (hb_feature_from_string ("abcd[:1]", -1, &feature));
304 hb_feature_to_string (&feature, buf, 100);
305 g_assert (0 == strcmp ("abcd[]", buf));
306
307 g_assert (hb_feature_from_string ("abcd[1:3]", -1, &feature));
308 hb_feature_to_string (&feature, buf, 100);
309 g_assert (0 == strcmp ("abcd[1:3]", buf));
310
311 g_assert (hb_feature_from_string ("abcd[1:2]=1", -1, &feature));
312 hb_feature_to_string (&feature, buf, 100);
313 g_assert (0 == strcmp ("abcd[1]", buf));
314
315 g_assert (hb_feature_from_string ("abcd[1:4]=2", -1, &feature));
316 hb_feature_to_string (&feature, buf, 100);
317 g_assert (0 == strcmp ("abcd[1:4]=2", buf));
318 }
319
320 int
321 main (int argc, char **argv)
322 {
323 hb_test_init (&argc, &argv);
324
325 hb_test_add (test_types_int);
326 hb_test_add (test_types_direction);
327 hb_test_add (test_types_tag);
328 hb_test_add (test_types_script);
329 hb_test_add (test_types_language);
330 hb_test_add (test_types_feature);
331
332 return hb_test_run();
333 }