1 /*
2  * Copyright © 2011  Codethink Limited
3  * Copyright © 2011  Google, Inc.
4  *
5  *  This is part of HarfBuzz, a text shaping library.
6  *
7  * Permission is hereby granted, without written agreement and without
8  * license or royalty fees, to use, copy, modify, and distribute this
9  * software and its documentation for any purpose, provided that the
10  * above copyright notice and the following two paragraphs appear in
11  * all copies of this software.
12  *
13  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
14  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
15  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
16  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
17  * DAMAGE.
18  *
19  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
20  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
21  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
22  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
23  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
24  *
25  * Codethink Author(s): Ryan Lortie
26  * Google Author(s): Behdad Esfahbod
27  */
28 
29 #include "hb-test.h"
30 
31 /* Unit tests for hb-unicode.h */
32 /* Unit tests for hb-glib.h */
33 /* Unit tests for hb-icu.h */
34 
35 
36 #ifdef HAVE_GLIB
37 #include <hb-glib.h>
38 #endif
39 #ifdef HAVE_ICU
40 #include <hb-icu.h>
41 #endif
42 
43 
44 /* Some useful stuff */
45 
46 #define MAGIC0 0x12345678
47 #define MAGIC1 0x76543210
48 
49 typedef struct {
50   int value;
51   gboolean freed;
52 } data_t;
53 
free_up(void * p)54 static void free_up (void *p)
55 {
56   data_t *data = (data_t *) p;
57 
58   g_assert (data->value == MAGIC0 || data->value == MAGIC1);
59   g_assert (!data->freed);
60   data->freed = TRUE;
61 }
62 
63 static hb_script_t
simple_get_script(hb_unicode_funcs_t * ufuncs,hb_codepoint_t codepoint,void * user_data)64 simple_get_script (hb_unicode_funcs_t *ufuncs,
65                    hb_codepoint_t      codepoint,
66                    void               *user_data)
67 {
68   data_t *data = (data_t *) user_data;
69 
70   g_assert (hb_unicode_funcs_get_parent (ufuncs) != NULL);
71   g_assert_cmphex (data->value, ==, MAGIC0);
72   g_assert (!data->freed);
73 
74   if ('a' <= codepoint && codepoint <= 'z')
75     return HB_SCRIPT_LATIN;
76   else
77     return HB_SCRIPT_UNKNOWN;
78 }
79 
80 static hb_script_t
a_is_for_arabic_get_script(hb_unicode_funcs_t * ufuncs,hb_codepoint_t codepoint,void * user_data)81 a_is_for_arabic_get_script (hb_unicode_funcs_t *ufuncs,
82                             hb_codepoint_t      codepoint,
83                             void               *user_data)
84 {
85   data_t *data = (data_t *) user_data;
86 
87   g_assert (hb_unicode_funcs_get_parent (ufuncs) != NULL);
88   g_assert_cmphex (data->value, ==, MAGIC1);
89   g_assert (!data->freed);
90 
91   if (codepoint == 'a') {
92     return HB_SCRIPT_ARABIC;
93   } else {
94     hb_unicode_funcs_t *parent = hb_unicode_funcs_get_parent (ufuncs);
95 
96     return hb_unicode_script (parent, codepoint);
97   }
98 }
99 
100 
101 
102 /* Check all properties */
103 
104 /* Some of the following tables where adapted from glib/glib/tests/utf8-misc.c.
105  * The license is compatible. */
106 
107 typedef struct {
108   hb_codepoint_t unicode;
109   unsigned int   value;
110 } test_pair_t;
111 
112 static const test_pair_t combining_class_tests[] =
113 {
114   {   0x0020, 0 },
115   {   0x0334, 1 },
116   {   0x093C, 7 },
117   {   0x3099, 8 },
118   {   0x094D, 9 },
119   {   0x05B0, 10 },
120   {   0x05B1, 11 },
121   {   0x05B2, 12 },
122   {   0x05B3, 13 },
123   {   0x05B4, 14 },
124   {   0x05B5, 15 },
125   {   0x05B6, 16 },
126   {   0x05B7, 17 },
127   {   0x05B8, 18 },
128   {   0x05B9, 19 },
129   {   0x05BB, 20 },
130   {   0x05BC, 21 },
131   {   0x05BD, 22 },
132   {   0x05BF, 23 },
133   {   0x05C1, 24 },
134   {   0x05C2, 25 },
135   {   0xFB1E, 26 },
136   {   0x064B, 27 },
137   {   0x064C, 28 },
138   {   0x064D, 29 },
139   /* ... */
140   {   0x05AE, 228 },
141   {   0x0300, 230 },
142   {   0x302C, 232 },
143   {   0x0362, 233 },
144   {   0x0360, 234 },
145   {   0x0345, 240 },
146 
147   { 0x111111, 0 }
148 };
149 static const test_pair_t combining_class_tests_more[] =
150 {
151   /* Unicode-5.1 character additions */
152   {   0x1DCD, 234 },
153 
154   /* Unicode-5.2 character additions */
155   {   0xA8E0, 230 },
156 
157   /* Unicode-6.0 character additions */
158   {   0x135D, 230 },
159 
160   { 0x111111, 0 }
161 };
162 
163 static const test_pair_t eastasian_width_tests[] =
164 {
165   /* Neutral */
166   {   0x0000, 1 },
167   {   0x0483, 1 },
168   {   0x0641, 1 },
169   {   0xFFFC, 1 },
170   {  0x10000, 1 },
171   {  0xE0001, 1 },
172 
173   /* Narrow */
174   {   0x0020, 1 },
175   {   0x0041, 1 },
176   {   0x27E6, 1 },
177 
178   /* Halfwidth */
179   {   0x20A9, 1 },
180   {   0xFF61, 1 },
181   {   0xFF69, 1 },
182   {   0xFFEE, 1 },
183 
184   /* Ambiguous */
185   {   0x00A1, 1 },
186   {   0x00D8, 1 },
187   {   0x02DD, 1 },
188   {  0xE0100, 1 },
189   { 0x100000, 1 },
190 
191   /* Fullwidth */
192   {   0x3000, 2 },
193   {   0xFF60, 2 },
194 
195   /* Wide */
196   {   0x2329, 2 },
197   {   0x3001, 2 },
198   {   0xFE69, 2 },
199   {  0x30000, 2 },
200   {  0x3FFFD, 2 },
201 
202   { 0x111111, 1 }
203 };
204 static const test_pair_t eastasian_width_tests_more[] =
205 {
206   /* Default Wide blocks */
207   {   0x4DBF, 2 },
208   {   0x9FFF, 2 },
209   {   0xFAFF, 2 },
210   {  0x2A6DF, 2 },
211   {  0x2B73F, 2 },
212   {  0x2B81F, 2 },
213   {  0x2FA1F, 2 },
214 
215   /* Uniode-5.2 character additions */
216   /* Wide */
217   {   0x115F, 2 },
218 
219   /* Uniode-6.0 character additions */
220   /* Wide */
221   {  0x2B740, 2 },
222   {  0x1B000, 2 },
223 
224   { 0x111111, 1 }
225 };
226 
227 static const test_pair_t general_category_tests[] =
228 {
229   {   0x000D, HB_UNICODE_GENERAL_CATEGORY_CONTROL },
230   {   0x200E, HB_UNICODE_GENERAL_CATEGORY_FORMAT },
231   {   0x0378, HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED },
232   {   0xE000, HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE },
233   {   0xD800, HB_UNICODE_GENERAL_CATEGORY_SURROGATE },
234   {   0x0061, HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER },
235   {   0x02B0, HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER },
236   {   0x3400, HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER },
237   {   0x01C5, HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER },
238   {   0xFF21, HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER },
239   {   0x0903, HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK },
240   {   0x20DD, HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK },
241   {   0xA806, HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK },
242   {   0xFF10, HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER },
243   {   0x16EE, HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER },
244   {   0x17F0, HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER },
245   {   0x005F, HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION },
246   {   0x058A, HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION },
247   {   0x0F3B, HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION },
248   {   0x2019, HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION },
249   {   0x2018, HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION },
250   {   0x2016, HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION },
251   {   0x0F3A, HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION },
252   {   0x20A0, HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL },
253   {   0x309B, HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL },
254   {   0xFB29, HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL },
255   {   0x00A6, HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL },
256   {   0x2028, HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR },
257   {   0x2029, HB_UNICODE_GENERAL_CATEGORY_PARAGRAPH_SEPARATOR },
258   {   0x202F, HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR },
259 
260   { 0x111111, HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED }
261 };
262 static const test_pair_t general_category_tests_more[] =
263 {
264   /* Unicode-5.2 character additions */
265   {  0x1F131, HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL },
266 
267   /* Unicode-6.0 character additions */
268   {   0x0620, HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER },
269 
270   { 0x111111, HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED }
271 };
272 
273 static const test_pair_t mirroring_tests[] =
274 {
275   /* Some characters that do NOT mirror */
276   {   0x0020, 0x0020 },
277   {   0x0041, 0x0041 },
278   {   0x00F0, 0x00F0 },
279   {   0x27CC, 0x27CC },
280   {  0xE01EF, 0xE01EF },
281   {  0x1D7C3, 0x1D7C3 },
282   { 0x100000, 0x100000 },
283 
284   /* Some characters that do mirror */
285   {   0x0029, 0x0028 },
286   {   0x0028, 0x0029 },
287   {   0x003E, 0x003C },
288   {   0x003C, 0x003E },
289   {   0x005D, 0x005B },
290   {   0x005B, 0x005D },
291   {   0x007D, 0x007B },
292   {   0x007B, 0x007D },
293   {   0x00BB, 0x00AB },
294   {   0x00AB, 0x00BB },
295   {   0x226B, 0x226A },
296   {   0x226A, 0x226B },
297   {   0x22F1, 0x22F0 },
298   {   0x22F0, 0x22F1 },
299   {   0xFF60, 0xFF5F },
300   {   0xFF5F, 0xFF60 },
301   {   0xFF63, 0xFF62 },
302   {   0xFF62, 0xFF63 },
303 
304   { 0x111111, 0x111111 },
305 };
306 static const test_pair_t mirroring_tests_more[] =
307 {
308   /* No new mirroring characters have been encoded in recent Unicode versions. */
309   { 0x111111, 0x111111 }
310 };
311 
312 static const test_pair_t script_tests[] =
313 {
314   {   0x002A, HB_SCRIPT_COMMON },
315   {   0x0670, HB_SCRIPT_INHERITED },
316   {   0x060D, HB_SCRIPT_ARABIC },
317   {   0x0559, HB_SCRIPT_ARMENIAN },
318   {   0x09CD, HB_SCRIPT_BENGALI },
319   {   0x31B6, HB_SCRIPT_BOPOMOFO },
320   {   0x13A2, HB_SCRIPT_CHEROKEE },
321   {   0x2CFD, HB_SCRIPT_COPTIC },
322   {   0x0482, HB_SCRIPT_CYRILLIC },
323   {  0x10401, HB_SCRIPT_DESERET },
324   {   0x094D, HB_SCRIPT_DEVANAGARI },
325   {   0x1258, HB_SCRIPT_ETHIOPIC },
326   {   0x10FC, HB_SCRIPT_GEORGIAN },
327   {  0x10341, HB_SCRIPT_GOTHIC },
328   {   0x0375, HB_SCRIPT_GREEK },
329   {   0x0A83, HB_SCRIPT_GUJARATI },
330   {   0x0A3C, HB_SCRIPT_GURMUKHI },
331   {   0x3005, HB_SCRIPT_HAN },
332   {   0x1100, HB_SCRIPT_HANGUL },
333   {   0x05BF, HB_SCRIPT_HEBREW },
334   {   0x309F, HB_SCRIPT_HIRAGANA },
335   {   0x0CBC, HB_SCRIPT_KANNADA },
336   {   0x30FF, HB_SCRIPT_KATAKANA },
337   {   0x17DD, HB_SCRIPT_KHMER },
338   {   0x0EDD, HB_SCRIPT_LAO },
339   {   0x0061, HB_SCRIPT_LATIN },
340   {   0x0D3D, HB_SCRIPT_MALAYALAM },
341   {   0x1843, HB_SCRIPT_MONGOLIAN },
342   {   0x1031, HB_SCRIPT_MYANMAR },
343   {   0x169C, HB_SCRIPT_OGHAM },
344   {  0x10322, HB_SCRIPT_OLD_ITALIC },
345   {   0x0B3C, HB_SCRIPT_ORIYA },
346   {   0x16EF, HB_SCRIPT_RUNIC },
347   {   0x0DBD, HB_SCRIPT_SINHALA },
348   {   0x0711, HB_SCRIPT_SYRIAC },
349   {   0x0B82, HB_SCRIPT_TAMIL },
350   {   0x0C03, HB_SCRIPT_TELUGU },
351   {   0x07B1, HB_SCRIPT_THAANA },
352   {   0x0E31, HB_SCRIPT_THAI },
353   {   0x0FD4, HB_SCRIPT_TIBETAN },
354   {   0x1401, HB_SCRIPT_CANADIAN_SYLLABICS },
355   {   0xA015, HB_SCRIPT_YI },
356   {   0x1700, HB_SCRIPT_TAGALOG },
357   {   0x1720, HB_SCRIPT_HANUNOO },
358   {   0x1740, HB_SCRIPT_BUHID },
359   {   0x1760, HB_SCRIPT_TAGBANWA },
360 
361   /* Unicode-4.0 additions */
362   {   0x2800, HB_SCRIPT_BRAILLE },
363   {  0x10808, HB_SCRIPT_CYPRIOT },
364   {   0x1932, HB_SCRIPT_LIMBU },
365   {  0x10480, HB_SCRIPT_OSMANYA },
366   {  0x10450, HB_SCRIPT_SHAVIAN },
367   {  0x10000, HB_SCRIPT_LINEAR_B },
368   {   0x1950, HB_SCRIPT_TAI_LE },
369   {  0x1039F, HB_SCRIPT_UGARITIC },
370 
371   /* Unicode-4.1 additions */
372   {   0x1980, HB_SCRIPT_NEW_TAI_LUE },
373   {   0x1A1F, HB_SCRIPT_BUGINESE },
374   {   0x2C00, HB_SCRIPT_GLAGOLITIC },
375   {   0x2D6F, HB_SCRIPT_TIFINAGH },
376   {   0xA800, HB_SCRIPT_SYLOTI_NAGRI },
377   {  0x103D0, HB_SCRIPT_OLD_PERSIAN },
378   {  0x10A3F, HB_SCRIPT_KHAROSHTHI },
379 
380   /* Unicode-5.0 additions */
381   {   0x0378, HB_SCRIPT_UNKNOWN },
382   {   0x1B04, HB_SCRIPT_BALINESE },
383   {  0x12000, HB_SCRIPT_CUNEIFORM },
384   {  0x10900, HB_SCRIPT_PHOENICIAN },
385   {   0xA840, HB_SCRIPT_PHAGS_PA },
386   {   0x07C0, HB_SCRIPT_NKO },
387 
388   /* Unicode-5.1 additions */
389   {   0xA900, HB_SCRIPT_KAYAH_LI },
390   {   0x1C00, HB_SCRIPT_LEPCHA },
391   {   0xA930, HB_SCRIPT_REJANG },
392   {   0x1B80, HB_SCRIPT_SUNDANESE },
393   {   0xA880, HB_SCRIPT_SAURASHTRA },
394   {   0xAA00, HB_SCRIPT_CHAM },
395   {   0x1C50, HB_SCRIPT_OL_CHIKI },
396   {   0xA500, HB_SCRIPT_VAI },
397   {  0x102A0, HB_SCRIPT_CARIAN },
398   {  0x10280, HB_SCRIPT_LYCIAN },
399   {  0x1093F, HB_SCRIPT_LYDIAN },
400 
401   { 0x111111, HB_SCRIPT_UNKNOWN }
402 };
403 static const test_pair_t script_tests_more[] =
404 {
405   /* Unicode-5.2 additions */
406   {  0x10B00, HB_SCRIPT_AVESTAN },
407   {   0xA6A0, HB_SCRIPT_BAMUM },
408   {  0x13000, HB_SCRIPT_EGYPTIAN_HIEROGLYPHS },
409   {  0x10840, HB_SCRIPT_IMPERIAL_ARAMAIC },
410   {  0x10B60, HB_SCRIPT_INSCRIPTIONAL_PAHLAVI },
411   {  0x10B40, HB_SCRIPT_INSCRIPTIONAL_PARTHIAN },
412   {   0xA980, HB_SCRIPT_JAVANESE },
413   {  0x11082, HB_SCRIPT_KAITHI },
414   {   0xA4D0, HB_SCRIPT_LISU },
415   {   0xABE5, HB_SCRIPT_MEETEI_MAYEK },
416   {  0x10A60, HB_SCRIPT_OLD_SOUTH_ARABIAN },
417   {  0x10C00, HB_SCRIPT_OLD_TURKIC },
418   {   0x0800, HB_SCRIPT_SAMARITAN },
419   {   0x1A20, HB_SCRIPT_TAI_THAM },
420   {   0xAA80, HB_SCRIPT_TAI_VIET },
421 
422   /* Unicode-6.0 additions */
423   {   0x1BC0, HB_SCRIPT_BATAK },
424   {  0x11000, HB_SCRIPT_BRAHMI },
425   {   0x0840, HB_SCRIPT_MANDAIC },
426 
427   /* Unicode-5.2 character additions */
428   {   0x1CED, HB_SCRIPT_INHERITED },
429   {   0x1400, HB_SCRIPT_CANADIAN_ABORIGINAL },
430 
431   { 0x111111, HB_SCRIPT_UNKNOWN }
432 };
433 
434 
435 typedef unsigned int (*get_func_t)         (hb_unicode_funcs_t *ufuncs,
436 					    hb_codepoint_t      unicode,
437 					    void               *user_data);
438 typedef unsigned int (*func_setter_func_t) (hb_unicode_funcs_t *ufuncs,
439 					    get_func_t          func,
440 					    void               *user_data,
441 					    hb_destroy_func_t   destroy);
442 typedef unsigned int (*getter_func_t)      (hb_unicode_funcs_t *ufuncs,
443 					    hb_codepoint_t      unicode);
444 
445 typedef struct {
446   const char         *name;
447   func_setter_func_t  func_setter;
448   getter_func_t       getter;
449   const test_pair_t  *tests;
450   unsigned int        num_tests;
451   const test_pair_t  *tests_more;
452   unsigned int        num_tests_more;
453   unsigned int        default_value;
454 } property_t;
455 
456 #define RETURNS_UNICODE_ITSELF ((unsigned int) -1)
457 
458 #define PROPERTY(name, DEFAULT) \
459   { \
460     #name, \
461     (func_setter_func_t) hb_unicode_funcs_set_##name##_func, \
462     (getter_func_t) hb_unicode_##name, \
463     name##_tests, \
464     G_N_ELEMENTS (name##_tests), \
465     name##_tests_more, \
466     G_N_ELEMENTS (name##_tests_more), \
467     DEFAULT \
468   }
469 static const property_t properties[] =
470 {
471   PROPERTY (combining_class, 0),
472   PROPERTY (eastasian_width, 1),
473   PROPERTY (general_category, (unsigned int) HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER),
474   PROPERTY (mirroring, RETURNS_UNICODE_ITSELF),
475   PROPERTY (script, (unsigned int) HB_SCRIPT_UNKNOWN)
476 };
477 #undef PROPERTY
478 
479 static void
test_unicode_properties(gconstpointer user_data)480 test_unicode_properties (gconstpointer user_data)
481 {
482   hb_unicode_funcs_t *uf = (hb_unicode_funcs_t *) user_data;
483   unsigned int i, j;
484   gboolean failed = TRUE;
485 
486   g_assert (hb_unicode_funcs_is_immutable (uf));
487   g_assert (hb_unicode_funcs_get_parent (uf));
488 
489   for (i = 0; i < G_N_ELEMENTS (properties); i++) {
490     const property_t *p = &properties[i];
491     const test_pair_t *tests;
492 
493     g_test_message ("Testing property %s", p->name);
494     tests = p->tests;
495     for (j = 0; j < p->num_tests; j++) {
496       g_test_message ("Test %s #%d: U+%04X", p->name, j, tests[j].unicode);
497       g_assert_cmphex (p->getter (uf, tests[j].unicode), ==, tests[j].value);
498     }
499     /* These tests are from Unicode 5.2 onward and older glib/ICU
500      * don't get them right.  Just warn instead of assert. */
501     tests = p->tests_more;
502     for (j = 0; j < p->num_tests_more; j++) {
503       g_test_message ("Test %s more #%d: U+%04X", p->name, j, tests[j].unicode);
504       if (p->getter (uf, tests[j].unicode) != tests[j].value) {
505 	g_test_message ("Soft fail: Received %x, expected %x", p->getter (uf, tests[j].unicode), tests[j].value);
506         failed = TRUE;
507       }
508     }
509   }
510 
511   if (failed)
512     g_test_message ("Some property tests failed.  You probably have an old version of one of the libraries used.");
513 }
514 
515 static hb_codepoint_t
default_value(hb_codepoint_t _default_value,hb_codepoint_t unicode)516 default_value (hb_codepoint_t _default_value, hb_codepoint_t unicode)
517 {
518   return _default_value == RETURNS_UNICODE_ITSELF ?  unicode : _default_value;
519 }
520 
521 static void
_test_unicode_properties_nil(hb_unicode_funcs_t * uf)522 _test_unicode_properties_nil (hb_unicode_funcs_t *uf)
523 {
524   unsigned int i, j;
525 
526   for (i = 0; i < G_N_ELEMENTS (properties); i++) {
527     const property_t *p = &properties[i];
528     const test_pair_t *tests;
529 
530     g_test_message ("Testing property %s", p->name);
531     tests = p->tests;
532     for (j = 0; j < p->num_tests; j++) {
533       g_test_message ("Test %s #%d: U+%04X", p->name, j, tests[j].unicode);
534       g_assert_cmphex (p->getter (uf, tests[j].unicode), ==, default_value (p->default_value, tests[j].unicode));
535     }
536     tests = p->tests_more;
537     for (j = 0; j < p->num_tests_more; j++) {
538       g_test_message ("Test %s more #%d: U+%04X", p->name, j, tests[j].unicode);
539       g_assert_cmphex (p->getter (uf, tests[j].unicode), ==, default_value (p->default_value, tests[j].unicode));
540     }
541   }
542 }
543 
544 static void
test_unicode_properties_nil(void)545 test_unicode_properties_nil (void)
546 {
547   hb_unicode_funcs_t *uf = hb_unicode_funcs_create (NULL);
548 
549   g_assert (!hb_unicode_funcs_is_immutable (uf));
550   _test_unicode_properties_nil (uf);
551 
552   hb_unicode_funcs_destroy (uf);
553 }
554 
555 static void
test_unicode_properties_empty(void)556 test_unicode_properties_empty (void)
557 {
558   hb_unicode_funcs_t *uf = hb_unicode_funcs_get_empty ();
559 
560   g_assert (uf);
561   g_assert (hb_unicode_funcs_is_immutable (uf));
562   _test_unicode_properties_nil (uf);
563 }
564 
565 
566 static void
test_unicode_chainup(void)567 test_unicode_chainup (void)
568 {
569   hb_unicode_funcs_t *uf, *uf2;
570 
571   /* Chain-up to nil */
572 
573   uf = hb_unicode_funcs_create (NULL);
574   g_assert (!hb_unicode_funcs_is_immutable (uf));
575 
576   uf2 = hb_unicode_funcs_create (uf);
577   g_assert (hb_unicode_funcs_is_immutable (uf));
578   hb_unicode_funcs_destroy (uf);
579 
580   g_assert (!hb_unicode_funcs_is_immutable (uf2));
581   _test_unicode_properties_nil (uf2);
582 
583   hb_unicode_funcs_destroy (uf2);
584 
585   /* Chain-up to default */
586 
587   uf = hb_unicode_funcs_create (hb_unicode_funcs_get_default ());
588   g_assert (!hb_unicode_funcs_is_immutable (uf));
589 
590   uf2 = hb_unicode_funcs_create (uf);
591   g_assert (hb_unicode_funcs_is_immutable (uf));
592   hb_unicode_funcs_destroy (uf);
593 
594   g_assert (!hb_unicode_funcs_is_immutable (uf2));
595   hb_unicode_funcs_make_immutable (uf2);
596   test_unicode_properties (uf2);
597 
598   hb_unicode_funcs_destroy (uf2);
599 
600 }
601 
602 static void
test_unicode_setters(void)603 test_unicode_setters (void)
604 {
605   hb_unicode_funcs_t *uf;
606   unsigned int i;
607 
608   /* This is cruel: we use script-returning functions to test all properties,
609    * but it works. */
610 
611   for (i = 0; i < G_N_ELEMENTS (properties); i++) {
612     const property_t *p = &properties[i];
613     data_t data[2] = {{MAGIC0, FALSE}, {MAGIC1, FALSE}};
614 
615     g_test_message ("Testing property %s", p->name);
616 
617     uf = hb_unicode_funcs_create (NULL);
618     g_assert (!hb_unicode_funcs_is_immutable (uf));
619 
620     p->func_setter (uf, (get_func_t) simple_get_script, &data[0], free_up);
621 
622     g_assert_cmphex (p->getter (uf, 'a'), ==, HB_SCRIPT_LATIN);
623     g_assert_cmphex (p->getter (uf, '0'), ==, HB_SCRIPT_UNKNOWN);
624 
625     p->func_setter (uf, (get_func_t) NULL, NULL, NULL);
626     g_assert (data[0].freed && !data[1].freed);
627 
628     g_assert (!hb_unicode_funcs_is_immutable (uf));
629     hb_unicode_funcs_make_immutable (uf);
630     g_assert (hb_unicode_funcs_is_immutable (uf));
631 
632     /* Since uf is immutable now, the following setter should do nothing. */
633     p->func_setter (uf, (get_func_t) a_is_for_arabic_get_script, &data[1], free_up);
634 
635     g_assert (data[0].freed && !data[1].freed);
636     hb_unicode_funcs_destroy (uf);
637     g_assert (data[0].freed && !data[1].freed);
638   }
639 }
640 
641 
642 
643 typedef struct {
644   data_t data[2];
645 } data_fixture_t;
646 
647 static void
data_fixture_init(data_fixture_t * f,gconstpointer user_data)648 data_fixture_init (data_fixture_t *f, gconstpointer user_data)
649 {
650   f->data[0].value = MAGIC0;
651   f->data[1].value = MAGIC1;
652 }
653 static void
data_fixture_finish(data_fixture_t * f,gconstpointer user_data)654 data_fixture_finish (data_fixture_t *f, gconstpointer user_data)
655 {
656 }
657 
658 static void
test_unicode_subclassing_nil(data_fixture_t * f,gconstpointer user_data)659 test_unicode_subclassing_nil (data_fixture_t *f, gconstpointer user_data)
660 {
661   hb_unicode_funcs_t *uf, *aa;
662 
663   uf = hb_unicode_funcs_create (NULL);
664 
665   aa = hb_unicode_funcs_create (uf);
666 
667   hb_unicode_funcs_destroy (uf);
668 
669   hb_unicode_funcs_set_script_func (aa, a_is_for_arabic_get_script,
670                                     &f->data[1], free_up);
671 
672   g_assert_cmphex (hb_unicode_script (aa, 'a'), ==, HB_SCRIPT_ARABIC);
673   g_assert_cmphex (hb_unicode_script (aa, 'b'), ==, HB_SCRIPT_UNKNOWN);
674 
675   g_assert (!f->data[0].freed && !f->data[1].freed);
676   hb_unicode_funcs_destroy (aa);
677   g_assert (!f->data[0].freed && f->data[1].freed);
678 }
679 
680 static void
test_unicode_subclassing_default(data_fixture_t * f,gconstpointer user_data)681 test_unicode_subclassing_default (data_fixture_t *f, gconstpointer user_data)
682 {
683   hb_unicode_funcs_t *uf, *aa;
684 
685   uf = hb_unicode_funcs_get_default ();
686   aa = hb_unicode_funcs_create (uf);
687 
688   hb_unicode_funcs_set_script_func (aa, a_is_for_arabic_get_script,
689                                     &f->data[1], free_up);
690 
691   g_assert_cmphex (hb_unicode_script (aa, 'a'), ==, HB_SCRIPT_ARABIC);
692   g_assert_cmphex (hb_unicode_script (aa, 'b'), ==, HB_SCRIPT_LATIN);
693 
694   g_assert (!f->data[0].freed && !f->data[1].freed);
695   hb_unicode_funcs_destroy (aa);
696   g_assert (!f->data[0].freed && f->data[1].freed);
697 }
698 
699 static void
test_unicode_subclassing_deep(data_fixture_t * f,gconstpointer user_data)700 test_unicode_subclassing_deep (data_fixture_t *f, gconstpointer user_data)
701 {
702   hb_unicode_funcs_t *uf, *aa;
703 
704   uf = hb_unicode_funcs_create (NULL);
705 
706   hb_unicode_funcs_set_script_func (uf, simple_get_script,
707                                     &f->data[0], free_up);
708 
709   aa = hb_unicode_funcs_create (uf);
710 
711   hb_unicode_funcs_destroy (uf);
712 
713   /* make sure the 'uf' didn't get freed, since 'aa' holds a ref */
714   g_assert (!f->data[0].freed);
715 
716   hb_unicode_funcs_set_script_func (aa, a_is_for_arabic_get_script,
717                                     &f->data[1], free_up);
718 
719   g_assert_cmphex (hb_unicode_script (aa, 'a'), ==, HB_SCRIPT_ARABIC);
720   g_assert_cmphex (hb_unicode_script (aa, 'b'), ==, HB_SCRIPT_LATIN);
721   g_assert_cmphex (hb_unicode_script (aa, '0'), ==, HB_SCRIPT_UNKNOWN);
722 
723   g_assert (!f->data[0].freed && !f->data[1].freed);
724   hb_unicode_funcs_destroy (aa);
725   g_assert (f->data[0].freed && f->data[1].freed);
726 }
727 
728 
729 static hb_script_t
script_roundtrip_default(hb_script_t script)730 script_roundtrip_default (hb_script_t script)
731 {
732   return hb_script_from_iso15924_tag (hb_script_to_iso15924_tag (script));
733 }
734 
735 #ifdef HAVE_GLIB
736 static hb_script_t
script_roundtrip_glib(hb_script_t script)737 script_roundtrip_glib (hb_script_t script)
738 {
739   return hb_glib_script_to_script (hb_glib_script_from_script (script));
740 }
741 #endif
742 
743 #ifdef HAVE_ICU
744 static hb_script_t
script_roundtrip_icu(hb_script_t script)745 script_roundtrip_icu (hb_script_t script)
746 {
747   return hb_icu_script_to_script (hb_icu_script_from_script (script));
748 }
749 #endif
750 
751 static void
test_unicode_script_roundtrip(gconstpointer user_data)752 test_unicode_script_roundtrip (gconstpointer user_data)
753 {
754   typedef hb_script_t (*roundtrip_func_t) (hb_script_t);
755   roundtrip_func_t roundtrip_func = (roundtrip_func_t) user_data;
756   unsigned int i;
757   gboolean failed = FALSE;
758 
759   for (i = 0; i < G_N_ELEMENTS (script_tests); i++) {
760     const test_pair_t *test = &script_tests[i];
761     hb_script_t script = test->value;
762 
763     g_test_message ("Test script roundtrip #%d: %x", i, script);
764     g_assert_cmphex (script, ==, roundtrip_func (script));
765   }
766   for (i = 0; i < G_N_ELEMENTS (script_tests_more); i++) {
767     const test_pair_t *test = &script_tests_more[i];
768     hb_script_t script = test->value;
769 
770     g_test_message ("Test script roundtrip more #%d: %x", i, script);
771     if (script != roundtrip_func (script)) {
772       g_test_message ("Soft fail: Received %x, expected %x", roundtrip_func (script), script);
773       failed = TRUE;
774     }
775   }
776 
777   g_assert_cmphex (HB_SCRIPT_INVALID, ==, roundtrip_func (HB_SCRIPT_INVALID));
778 
779   if (failed)
780     g_test_message ("Some script roundtrip tests failed.  You probably have an old version of one of the libraries used.");
781 }
782 
783 
784 static void
test_unicode_normalization(gconstpointer user_data)785 test_unicode_normalization (gconstpointer user_data)
786 {
787   hb_unicode_funcs_t *uf = (hb_unicode_funcs_t *) user_data;
788   gunichar a, b, ab;
789   hb_codepoint_t decomposed[HB_UNICODE_MAX_DECOMPOSITION_LEN];
790 
791 
792   /* Test compose() */
793 
794   /* Not composable */
795   g_assert (!hb_unicode_compose (uf, 0x0041, 0x0042, &ab) && ab == 0);
796   g_assert (!hb_unicode_compose (uf, 0x0041, 0, &ab) && ab == 0);
797   g_assert (!hb_unicode_compose (uf, 0x0066, 0x0069, &ab) && ab == 0);
798 
799   /* Singletons should not compose */
800   g_assert (!hb_unicode_compose (uf, 0x212B, 0, &ab) && ab == 0);
801   g_assert (!hb_unicode_compose (uf, 0x00C5, 0, &ab) && ab == 0);
802   g_assert (!hb_unicode_compose (uf, 0x2126, 0, &ab) && ab == 0);
803   g_assert (!hb_unicode_compose (uf, 0x03A9, 0, &ab) && ab == 0);
804 
805   /* Non-starter pairs should not compose */
806   g_assert (!hb_unicode_compose (uf, 0x0308, 0x0301, &ab) && ab == 0); /* !0x0344 */
807   g_assert (!hb_unicode_compose (uf, 0x0F71, 0x0F72, &ab) && ab == 0); /* !0x0F73 */
808 
809   /* Pairs */
810   g_assert (hb_unicode_compose (uf, 0x0041, 0x030A, &ab) && ab == 0x00C5);
811   g_assert (hb_unicode_compose (uf, 0x006F, 0x0302, &ab) && ab == 0x00F4);
812   g_assert (hb_unicode_compose (uf, 0x1E63, 0x0307, &ab) && ab == 0x1E69);
813   g_assert (hb_unicode_compose (uf, 0x0073, 0x0323, &ab) && ab == 0x1E63);
814   g_assert (hb_unicode_compose (uf, 0x0064, 0x0307, &ab) && ab == 0x1E0B);
815   g_assert (hb_unicode_compose (uf, 0x0064, 0x0323, &ab) && ab == 0x1E0D);
816 
817   /* Hangul */
818   g_assert (hb_unicode_compose (uf, 0xD4CC, 0x11B6, &ab) && ab == 0xD4DB);
819   g_assert (hb_unicode_compose (uf, 0x1111, 0x1171, &ab) && ab == 0xD4CC);
820   g_assert (hb_unicode_compose (uf, 0xCE20, 0x11B8, &ab) && ab == 0xCE31);
821   g_assert (hb_unicode_compose (uf, 0x110E, 0x1173, &ab) && ab == 0xCE20);
822 
823 
824   /* Test decompose() */
825 
826   /* Not decomposable */
827   g_assert (!hb_unicode_decompose (uf, 0x0041, &a, &b) && a == 0x0041 && b == 0);
828   g_assert (!hb_unicode_decompose (uf, 0xFB01, &a, &b) && a == 0xFB01 && b == 0);
829   g_assert (!hb_unicode_decompose (uf, 0x1F1EF, &a, &b) && a == 0x1F1EF && b == 0);
830 
831   /* Singletons */
832   g_assert (hb_unicode_decompose (uf, 0x212B, &a, &b) && a == 0x00C5 && b == 0);
833   g_assert (hb_unicode_decompose (uf, 0x2126, &a, &b) && a == 0x03A9 && b == 0);
834 
835   /* Non-starter pairs decompose, but not compose */
836   g_assert (hb_unicode_decompose (uf, 0x0344, &a, &b) && a == 0x0308 && b == 0x0301);
837   g_assert (hb_unicode_decompose (uf, 0x0F73, &a, &b) && a == 0x0F71 && b == 0x0F72);
838 
839   /* Pairs */
840   g_assert (hb_unicode_decompose (uf, 0x00C5, &a, &b) && a == 0x0041 && b == 0x030A);
841   g_assert (hb_unicode_decompose (uf, 0x00F4, &a, &b) && a == 0x006F && b == 0x0302);
842   g_assert (hb_unicode_decompose (uf, 0x1E69, &a, &b) && a == 0x1E63 && b == 0x0307);
843   g_assert (hb_unicode_decompose (uf, 0x1E63, &a, &b) && a == 0x0073 && b == 0x0323);
844   g_assert (hb_unicode_decompose (uf, 0x1E0B, &a, &b) && a == 0x0064 && b == 0x0307);
845   g_assert (hb_unicode_decompose (uf, 0x1E0D, &a, &b) && a == 0x0064 && b == 0x0323);
846 
847   /* Hangul */
848   g_assert (hb_unicode_decompose (uf, 0xD4DB, &a, &b) && a == 0xD4CC && b == 0x11B6);
849   g_assert (hb_unicode_decompose (uf, 0xD4CC, &a, &b) && a == 0x1111 && b == 0x1171);
850   g_assert (hb_unicode_decompose (uf, 0xCE31, &a, &b) && a == 0xCE20 && b == 0x11B8);
851   g_assert (hb_unicode_decompose (uf, 0xCE20, &a, &b) && a == 0x110E && b == 0x1173);
852 
853 
854   /* Test decompose_compatibility() */
855 
856   /* Not decomposable */
857   g_assert (hb_unicode_decompose_compatibility (uf, 0x0041, decomposed) == 0);
858   g_assert (hb_unicode_decompose_compatibility (uf, 0x1F632, decomposed) == 0);
859 
860   /* Singletons */
861   g_assert (hb_unicode_decompose_compatibility (uf, 0x00B5, decomposed) == 1 && decomposed[0] == 0x03BC);
862   g_assert (hb_unicode_decompose_compatibility (uf, 0x03D6, decomposed) == 1 && decomposed[0] == 0x03C0);
863 
864   /* Arabic compatibility */
865   g_assert (hb_unicode_decompose_compatibility (uf, 0xFB54, decomposed) == 1 && decomposed[0] == 0x067B);
866 
867   /* Longest decomposition ever */
868   g_assert (18 <= HB_UNICODE_MAX_DECOMPOSITION_LEN);
869   g_assert (hb_unicode_decompose_compatibility (uf, 0xFDFA, decomposed) == 18 && decomposed[17] == 0x0645);
870 
871   /* Note: we deliberately don't test characters that have canonical decompositions but no
872    * compatibility decomposition against the decompose_compatibility() function as that we
873    * leave up to implementations (for now). */
874 
875   /* Spaces */
876   g_assert (hb_unicode_decompose_compatibility (uf, 0x2002, decomposed) == 1 && decomposed[0] == 0x0020);
877   g_assert (hb_unicode_decompose_compatibility (uf, 0x2003, decomposed) == 1 && decomposed[0] == 0x0020);
878   g_assert (hb_unicode_decompose_compatibility (uf, 0x2004, decomposed) == 1 && decomposed[0] == 0x0020);
879   g_assert (hb_unicode_decompose_compatibility (uf, 0x2005, decomposed) == 1 && decomposed[0] == 0x0020);
880   g_assert (hb_unicode_decompose_compatibility (uf, 0x2006, decomposed) == 1 && decomposed[0] == 0x0020);
881   g_assert (hb_unicode_decompose_compatibility (uf, 0x2008, decomposed) == 1 && decomposed[0] == 0x0020);
882   g_assert (hb_unicode_decompose_compatibility (uf, 0x2009, decomposed) == 1 && decomposed[0] == 0x0020);
883   g_assert (hb_unicode_decompose_compatibility (uf, 0x200A, decomposed) == 1 && decomposed[0] == 0x0020);
884 
885   /* Pairs */
886   g_assert (hb_unicode_decompose_compatibility (uf, 0x0587, decomposed) == 2 &&
887             decomposed[0] == 0x0565 && decomposed[1] == 0x0582);
888   g_assert (hb_unicode_decompose_compatibility (uf, 0x2017, decomposed) == 2 &&
889             decomposed[0] == 0x0020 && decomposed[1] == 0x0333);
890   g_assert (hb_unicode_decompose_compatibility (uf, 0x2025, decomposed) == 2 &&
891             decomposed[0] == 0x002E && decomposed[1] == 0x002E);
892   g_assert (hb_unicode_decompose_compatibility (uf, 0x2033, decomposed) == 2 &&
893             decomposed[0] == 0x2032 && decomposed[1] == 0x2032);
894 
895   /* Triples */
896   g_assert (hb_unicode_decompose_compatibility (uf, 0x2026, decomposed) == 3 &&
897             decomposed[0] == 0x002E && decomposed[1] == 0x002E && decomposed[2] == 0x002E);
898   g_assert (hb_unicode_decompose_compatibility (uf, 0x2034, decomposed) == 3 &&
899             decomposed[0] == 0x2032 && decomposed[1] == 0x2032 && decomposed[2] == 0x2032);
900   g_assert (hb_unicode_decompose_compatibility (uf, 0x213B, decomposed) == 3 &&
901             decomposed[0] == 0x0046 && decomposed[1] == 0x0041 && decomposed[2] == 0x0058);
902 }
903 
904 
905 
906 int
main(int argc,char ** argv)907 main (int argc, char **argv)
908 {
909   hb_test_init (&argc, &argv);
910 
911   hb_test_add (test_unicode_properties_nil);
912   hb_test_add (test_unicode_properties_empty);
913 
914   hb_test_add_data_flavor (hb_unicode_funcs_get_default (),          "default", test_unicode_properties);
915   hb_test_add_data_flavor (hb_unicode_funcs_get_default (),          "default", test_unicode_normalization);
916   hb_test_add_data_flavor ((gconstpointer) script_roundtrip_default, "default", test_unicode_script_roundtrip);
917 #ifdef HAVE_GLIB
918   hb_test_add_data_flavor (hb_glib_get_unicode_funcs (),             "glib",    test_unicode_properties);
919   hb_test_add_data_flavor (hb_glib_get_unicode_funcs (),             "glib",    test_unicode_normalization);
920   hb_test_add_data_flavor ((gconstpointer) script_roundtrip_glib,    "glib",    test_unicode_script_roundtrip);
921 #endif
922 #ifdef HAVE_ICU
923   hb_test_add_data_flavor (hb_icu_get_unicode_funcs (),              "icu",     test_unicode_properties);
924   hb_test_add_data_flavor (hb_icu_get_unicode_funcs (),              "icu",     test_unicode_normalization);
925   hb_test_add_data_flavor ((gconstpointer) script_roundtrip_icu,     "icu",     test_unicode_script_roundtrip);
926 #endif
927 
928   hb_test_add (test_unicode_chainup);
929 
930   hb_test_add (test_unicode_setters);
931 
932   hb_test_add_fixture (data_fixture, NULL, test_unicode_subclassing_nil);
933   hb_test_add_fixture (data_fixture, NULL, test_unicode_subclassing_default);
934   hb_test_add_fixture (data_fixture, NULL, test_unicode_subclassing_deep);
935 
936   return hb_test_run ();
937 }
938