2 * Copyright © 2013 Google, Inc.
4 * This is part of HarfBuzz, a text shaping library.
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.
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
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.
24 * Google Author(s): Behdad Esfahbod
29 /* Unit tests for hb-set.h */
33 test_empty (hb_set_t *s)
36 g_assert_cmpint (hb_set_get_population (s), ==, 0);
37 g_assert_cmpint (hb_set_get_min (s), ==, HB_SET_VALUE_INVALID);
38 g_assert_cmpint (hb_set_get_max (s), ==, HB_SET_VALUE_INVALID);
39 g_assert (!hb_set_has (s, 13));
41 g_assert (!hb_set_next (s, &next));
42 g_assert_cmpint (next, ==, HB_SET_VALUE_INVALID);
44 g_assert (!hb_set_previous (s, &next));
45 g_assert_cmpint (next, ==, HB_SET_VALUE_INVALID);
46 g_assert (hb_set_is_empty (s));
50 test_not_empty (hb_set_t *s)
53 g_assert_cmpint (hb_set_get_population (s), !=, 0);
54 g_assert_cmpint (hb_set_get_min (s), !=, HB_SET_VALUE_INVALID);
55 g_assert_cmpint (hb_set_get_max (s), !=, HB_SET_VALUE_INVALID);
56 next = HB_SET_VALUE_INVALID;
57 g_assert (hb_set_next (s, &next));
58 g_assert_cmpint (next, !=, HB_SET_VALUE_INVALID);
59 next = HB_SET_VALUE_INVALID;
60 g_assert (hb_set_previous (s, &next));
61 g_assert_cmpint (next, !=, HB_SET_VALUE_INVALID);
67 hb_set_t *s = hb_set_create ();
76 hb_set_add (s, 33000);
80 hb_set_add_range (s, 10, 29);
82 g_assert (hb_set_has (s, 13));
83 g_assert_cmpint (hb_set_get_population (s), ==, 20);
84 g_assert_cmpint (hb_set_get_min (s), ==, 10);
85 g_assert_cmpint (hb_set_get_max (s), ==, 29);
88 g_assert (hb_set_has (s, 13));
89 g_assert_cmpint (hb_set_get_population (s), ==, 20);
90 g_assert_cmpint (hb_set_get_min (s), ==, 10);
91 g_assert_cmpint (hb_set_get_max (s), ==, 29);
93 hb_set_del_range (s, 10, 18);
95 g_assert (!hb_set_has (s, 13));
97 hb_set_add_range (s, 200, 800);
99 g_assert (!hb_set_has (s, 100));
100 g_assert (!hb_set_has (s, 199));
101 g_assert (hb_set_has (s, 200));
102 g_assert (hb_set_has (s, 201));
103 g_assert (hb_set_has (s, 243));
104 g_assert (hb_set_has (s, 254));
105 g_assert (hb_set_has (s, 255));
106 g_assert (hb_set_has (s, 256));
107 g_assert (hb_set_has (s, 257));
108 g_assert (hb_set_has (s, 511));
109 g_assert (hb_set_has (s, 512));
110 g_assert (hb_set_has (s, 600));
111 g_assert (hb_set_has (s, 767));
112 g_assert (hb_set_has (s, 768));
113 g_assert (hb_set_has (s, 769));
114 g_assert (hb_set_has (s, 782));
115 g_assert (hb_set_has (s, 798));
116 g_assert (hb_set_has (s, 799));
117 g_assert (hb_set_has (s, 800));
118 g_assert (!hb_set_has (s, 801));
119 g_assert (!hb_set_has (s, 802));
122 g_assert (!hb_set_has (s, 800));
128 // static inline void
129 // print_set (hb_set_t *s)
131 // hb_codepoint_t next;
133 // for (next = HB_SET_VALUE_INVALID; hb_set_next (s, &next); )
134 // printf ("%d, ", next);
138 static void test_set_intersect_empty (void)
140 hb_set_t* a = hb_set_create ();
141 hb_set_add (a, 3585);
142 hb_set_add (a, 21333);
143 hb_set_add (a, 24405);
145 hb_set_t* b = hb_set_create();
146 hb_set_add (b, 21483);
147 hb_set_add (b, 24064);
149 hb_set_intersect (a, b);
150 g_assert (hb_set_is_empty (a));
156 a = hb_set_create ();
157 hb_set_add (a, 16777216);
162 hb_set_intersect (a, b);
163 g_assert (hb_set_is_empty (a));
169 static void test_set_intersect_page_reduction (void)
171 hb_set_t* a = hb_set_create ();
172 hb_set_add (a, 3585);
173 hb_set_add (a, 21333);
174 hb_set_add (a, 24405);
176 hb_set_t* b = hb_set_create();
177 hb_set_add (b, 3585);
178 hb_set_add (b, 24405);
180 hb_set_intersect(a, b);
181 g_assert (hb_set_is_equal (a, b));
187 static void test_set_union (void)
189 hb_set_t* a = hb_set_create();
190 hb_set_add (a, 3585);
191 hb_set_add (a, 21333);
192 hb_set_add (a, 24405);
194 hb_set_t* b = hb_set_create();
195 hb_set_add (b, 21483);
196 hb_set_add (b, 24064);
198 hb_set_t* u = hb_set_create ();
199 hb_set_add (u, 3585);
200 hb_set_add (u, 21333);
201 hb_set_add (u, 21483);
202 hb_set_add (u, 24064);
203 hb_set_add (u, 24405);
206 g_assert (hb_set_is_equal (u, b));
214 test_set_algebra (void)
216 hb_set_t *s = hb_set_create ();
217 hb_set_t *o = hb_set_create ();
218 hb_set_t *o2 = hb_set_create ();
223 hb_set_add (o2, 0x660E);
226 g_assert (!hb_set_is_equal (s, o));
227 g_assert (hb_set_is_subset (s, o));
228 g_assert (!hb_set_is_subset (o, s));
230 g_assert (hb_set_is_equal (s, o));
231 g_assert (hb_set_is_subset (s, o));
232 g_assert (hb_set_is_subset (o, s));
234 g_assert_cmpint (hb_set_get_population (s), ==, 2);
239 g_assert_cmpint (hb_set_get_population (s), ==, 1);
241 g_assert_cmpint (hb_set_get_population (s), ==, 3);
242 g_assert (hb_set_has (s, 10));
243 g_assert (hb_set_has (s, 13));
247 g_assert_cmpint (hb_set_get_population (s), ==, 0);
248 hb_set_union (s, o2);
249 g_assert_cmpint (hb_set_get_population (s), ==, 1);
250 g_assert (hb_set_has (s, 0x660E));
254 hb_set_add_range (s, 10, 17);
255 g_assert (!hb_set_is_equal (s, o));
256 hb_set_intersect (s, o);
257 g_assert (!hb_set_is_equal (s, o));
259 g_assert_cmpint (hb_set_get_population (s), ==, 1);
260 g_assert (!hb_set_has (s, 10));
261 g_assert (hb_set_has (s, 13));
265 hb_set_add_range (s, 10, 17);
266 g_assert (!hb_set_is_equal (s, o));
267 hb_set_subtract (s, o);
268 g_assert (!hb_set_is_equal (s, o));
270 g_assert_cmpint (hb_set_get_population (s), ==, 7);
271 g_assert (hb_set_has (s, 12));
272 g_assert (!hb_set_has (s, 13));
273 g_assert (!hb_set_has (s, 19));
277 hb_set_add_range (s, 10, 17);
278 g_assert (!hb_set_is_equal (s, o));
279 hb_set_symmetric_difference (s, o);
280 g_assert (!hb_set_is_equal (s, o));
282 g_assert_cmpint (hb_set_get_population (s), ==, 8);
283 g_assert (hb_set_has (s, 12));
284 g_assert (!hb_set_has (s, 13));
285 g_assert (hb_set_has (s, 19));
287 /* https://github.com/harfbuzz/harfbuzz/issues/579 */
290 hb_set_add_range (s, 886, 895);
291 hb_set_add (s, 1024);
292 hb_set_add (s, 1152);
296 hb_set_add (o, 1024);
297 g_assert (!hb_set_is_equal (s, o));
298 hb_set_intersect (o, s);
300 g_assert (!hb_set_is_equal (s, o));
301 g_assert_cmpint (hb_set_get_population (o), ==, 2);
302 g_assert (hb_set_has (o, 889));
303 g_assert (hb_set_has (o, 1024));
306 hb_set_add_range (o, 887, 889);
307 hb_set_add (o, 1121);
308 g_assert (!hb_set_is_equal (s, o));
309 hb_set_intersect (o, s);
311 g_assert (!hb_set_is_equal (s, o));
312 g_assert_cmpint (hb_set_get_population (o), ==, 3);
313 g_assert (hb_set_has (o, 887));
314 g_assert (hb_set_has (o, 888));
315 g_assert (hb_set_has (o, 889));
319 hb_set_add_range (s, 886, 895);
320 hb_set_add (s, 1014);
321 hb_set_add (s, 1017);
322 hb_set_add (s, 1024);
323 hb_set_add (s, 1113);
324 hb_set_add (s, 1121);
325 g_assert_cmpint (hb_set_get_population (s), ==, 15);
330 g_assert_cmpint (hb_set_get_population (o), ==, 1);
331 hb_set_intersect (o, s);
332 g_assert_cmpint (hb_set_get_population (o), ==, 1);
333 g_assert (hb_set_has (o, 889));
336 g_assert_cmpint (hb_set_get_population (o), ==, 2);
337 hb_set_intersect (o, s);
338 g_assert_cmpint (hb_set_get_population (o), ==, 1);
339 g_assert (hb_set_has (o, 889));
349 hb_codepoint_t next, first, last;
350 hb_set_t *s = hb_set_create ();
353 hb_set_add_range (s, 6, 6);
354 hb_set_add_range (s, 10, 15);
355 hb_set_add (s, 1100);
356 hb_set_add (s, 1200);
357 hb_set_add (s, 20005);
361 next = HB_SET_VALUE_INVALID;
362 g_assert (hb_set_next (s, &next));
363 g_assert_cmpint (next, ==, 6);
364 g_assert (hb_set_next (s, &next));
365 g_assert_cmpint (next, ==, 10);
366 g_assert (hb_set_next (s, &next));
367 g_assert (hb_set_next (s, &next));
368 g_assert (hb_set_next (s, &next));
369 g_assert_cmpint (next, ==, 13);
370 g_assert (hb_set_next (s, &next));
371 g_assert (hb_set_next (s, &next));
372 g_assert_cmpint (next, ==, 15);
373 g_assert (hb_set_next (s, &next));
374 g_assert_cmpint (next, ==, 1100);
375 g_assert (hb_set_next (s, &next));
376 g_assert_cmpint (next, ==, 1200);
377 g_assert (hb_set_next (s, &next));
378 g_assert_cmpint (next, ==, 20005);
379 g_assert (!hb_set_next (s, &next));
380 g_assert_cmpint (next, ==, HB_SET_VALUE_INVALID);
382 next = HB_SET_VALUE_INVALID;
383 g_assert (hb_set_previous (s, &next));
384 g_assert_cmpint (next, ==, 20005);
385 g_assert (hb_set_previous (s, &next));
386 g_assert_cmpint (next, ==, 1200);
387 g_assert (hb_set_previous (s, &next));
388 g_assert_cmpint (next, ==, 1100);
389 g_assert (hb_set_previous (s, &next));
390 g_assert_cmpint (next, ==, 15);
391 g_assert (hb_set_previous (s, &next));
392 g_assert (hb_set_previous (s, &next));
393 g_assert_cmpint (next, ==, 13);
394 g_assert (hb_set_previous (s, &next));
395 g_assert (hb_set_previous (s, &next));
396 g_assert (hb_set_previous (s, &next));
397 g_assert_cmpint (next, ==, 10);
398 g_assert (hb_set_previous (s, &next));
399 g_assert_cmpint (next, ==, 6);
400 g_assert (!hb_set_previous (s, &next));
401 g_assert_cmpint (next, ==, HB_SET_VALUE_INVALID);
403 first = last = HB_SET_VALUE_INVALID;
404 g_assert (hb_set_next_range (s, &first, &last));
405 g_assert_cmpint (first, ==, 6);
406 g_assert_cmpint (last, ==, 6);
407 g_assert (hb_set_next_range (s, &first, &last));
408 g_assert_cmpint (first, ==, 10);
409 g_assert_cmpint (last, ==, 15);
410 g_assert (hb_set_next_range (s, &first, &last));
411 g_assert_cmpint (first, ==, 1100);
412 g_assert_cmpint (last, ==, 1100);
413 g_assert (hb_set_next_range (s, &first, &last));
414 g_assert_cmpint (first, ==, 1200);
415 g_assert_cmpint (last, ==, 1200);
416 g_assert (hb_set_next_range (s, &first, &last));
417 g_assert_cmpint (first, ==, 20005);
418 g_assert_cmpint (last, ==, 20005);
419 g_assert (!hb_set_next_range (s, &first, &last));
420 g_assert_cmpint (first, ==, HB_SET_VALUE_INVALID);
421 g_assert_cmpint (last, ==, HB_SET_VALUE_INVALID);
423 first = last = HB_SET_VALUE_INVALID;
424 g_assert (hb_set_previous_range (s, &first, &last));
425 g_assert_cmpint (first, ==, 20005);
426 g_assert_cmpint (last, ==, 20005);
427 g_assert (hb_set_previous_range (s, &first, &last));
428 g_assert_cmpint (first, ==, 1200);
429 g_assert_cmpint (last, ==, 1200);
430 g_assert (hb_set_previous_range (s, &first, &last));
431 g_assert_cmpint (first, ==, 1100);
432 g_assert_cmpint (last, ==, 1100);
433 g_assert (hb_set_previous_range (s, &first, &last));
434 g_assert_cmpint (first, ==, 10);
435 g_assert_cmpint (last, ==, 15);
436 g_assert (hb_set_previous_range (s, &first, &last));
437 g_assert_cmpint (first, ==, 6);
438 g_assert_cmpint (last, ==, 6);
439 g_assert (!hb_set_previous_range (s, &first, &last));
440 g_assert_cmpint (first, ==, HB_SET_VALUE_INVALID);
441 g_assert_cmpint (last, ==, HB_SET_VALUE_INVALID);
447 test_set_empty (void)
449 hb_set_t *b = hb_set_get_empty ();
451 g_assert (hb_set_get_empty ());
452 g_assert (hb_set_get_empty () == b);
454 g_assert (!hb_set_allocation_successful (b));
462 g_assert (!hb_set_allocation_successful (b));
468 g_assert (!hb_set_allocation_successful (b));
474 test_set_delrange (void)
476 const unsigned P = 512; /* Page size. */
477 struct { unsigned b, e; } ranges[] = {
478 { 35, P-15 }, /* From page middle thru middle. */
479 { P, P+100 }, /* From page start thru middle. */
480 { P+300, P*2-1 }, /* From page middle thru end. */
481 { P*3, P*4+100 }, /* From page start thru next page middle. */
482 { P*4+300, P*6-1 }, /* From page middle thru next page end. */
483 { P*6+200,P*8+100 }, /* From page middle covering one page thru page middle. */
484 { P*9, P*10+105 }, /* From page start covering one page thru page middle. */
485 { P*10+305, P*12-1 }, /* From page middle covering one page thru page end. */
486 { P*13, P*15-1 }, /* From page start covering two pages thru page end. */
487 { P*15+100, P*18+100 } /* From page middle covering two pages thru page middle. */
489 unsigned n = sizeof (ranges) / sizeof(ranges[0]);
491 hb_set_t *s = hb_set_create ();
494 for (unsigned int g = 0; g < ranges[n - 1].e + P; g += 2)
497 hb_set_add (s, P*2-1);
498 hb_set_add (s, P*6-1);
499 hb_set_add (s, P*12-1);
500 hb_set_add (s, P*15-1);
502 for (unsigned i = 0; i < n; i++)
503 hb_set_del_range (s, ranges[i].b, ranges[i].e);
505 hb_set_del_range (s, P*13+5, P*15-10); /* Deletion from deleted pages. */
507 for (unsigned i = 0; i < n; i++)
509 unsigned b = ranges[i].b;
510 unsigned e = ranges[i].e;
511 g_assert (hb_set_has (s, (b-2)&~1));
513 g_assert (!hb_set_has (s, b++));
514 g_assert (hb_set_has (s, (e+2)&~1));
521 main (int argc, char **argv)
523 hb_test_init (&argc, &argv);
525 hb_test_add (test_set_basic);
526 hb_test_add (test_set_algebra);
527 hb_test_add (test_set_iter);
528 hb_test_add (test_set_empty);
529 hb_test_add (test_set_delrange);
531 hb_test_add (test_set_intersect_empty);
532 hb_test_add (test_set_intersect_page_reduction);
533 hb_test_add (test_set_union);
535 return hb_test_run();