1 /*
2 * Copyright © 2021 Khaled Hosny
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
25 #include "hb-test.h"
26
27 #include <hb.h>
28 #include <hb-ot.h>
29
30 #define STATIC_ARRAY_SIZE 255
31
32 static void
33 test_ot_layout_table_get_script_tags (void)
34 {
35 hb_face_t *face = hb_test_open_font_file ("fonts/NotoNastaliqUrdu-Regular.ttf");
36
37 unsigned int total = 0;
38 unsigned int count = STATIC_ARRAY_SIZE;
39 unsigned int offset = 0;
40 hb_tag_t tags[STATIC_ARRAY_SIZE];
41 while (count == STATIC_ARRAY_SIZE)
42 {
43 total = hb_ot_layout_table_get_script_tags (face, HB_OT_TAG_GSUB, offset, &count, tags);
44 g_assert_cmpuint (3, ==, total);
45 offset += count;
46 if (count)
47 {
48 g_assert_cmpuint (3, ==, count);
49 g_assert_cmpuint (HB_TAG ('a','r','a','b'), ==, tags[0]);
50 g_assert_cmpuint (HB_TAG ('d','f','l','t'), ==, tags[1]);
51 g_assert_cmpuint (HB_TAG ('l','a','t','n'), ==, tags[2]);
52 }
53 }
54 count = STATIC_ARRAY_SIZE;
55 offset = 0;
56 while (count == STATIC_ARRAY_SIZE)
57 {
58 total = hb_ot_layout_table_get_script_tags (face, HB_OT_TAG_GPOS, offset, &count, tags);
59 g_assert_cmpuint (1, ==, total);
60 offset += count;
61 if (count)
62 {
63 g_assert_cmpuint (1, ==, count);
64 g_assert_cmpuint (HB_TAG ('a','r','a','b'), ==, tags[0]);
65 }
66 }
67
68 hb_face_destroy (face);
69 }
70
71 static void
72 test_ot_layout_table_find_script (void)
73 {
74 hb_face_t *face = hb_test_open_font_file ("fonts/NotoNastaliqUrdu-Regular.ttf");
75 unsigned int index;
76
77 g_assert (hb_ot_layout_table_find_script (face, HB_OT_TAG_GSUB, HB_TAG ('a','r','a','b'), &index));
78 g_assert_cmpuint (0, ==, index);
79 g_assert (hb_ot_layout_table_find_script (face, HB_OT_TAG_GSUB, HB_TAG ('d','f','l','t'), &index));
80 g_assert_cmpuint (1, ==, index);
81 g_assert (hb_ot_layout_table_find_script (face, HB_OT_TAG_GSUB, HB_TAG ('l','a','t','n'), &index));
82 g_assert_cmpuint (2, ==, index);
83
84 g_assert (hb_ot_layout_table_find_script (face, HB_OT_TAG_GPOS, HB_TAG ('a','r','a','b'), &index));
85 g_assert_cmpuint (0, ==, index);
86 g_assert (!hb_ot_layout_table_find_script (face, HB_OT_TAG_GPOS, HB_TAG ('d','f','l','t'), &index));
87 g_assert_cmpuint (0xFFFF, ==, index);
88 g_assert (!hb_ot_layout_table_find_script (face, HB_OT_TAG_GPOS, HB_TAG ('l','a','t','n'), &index));
89 g_assert_cmpuint (0xFFFF, ==, index);
90
91 hb_face_destroy (face);
92 }
93
94 static void
95 test_ot_layout_table_get_feature_tags (void)
96 {
97 hb_face_t *face = hb_test_open_font_file ("fonts/NotoNastaliqUrdu-Regular.ttf");
98
99 unsigned int total = 0;
100 unsigned int count = STATIC_ARRAY_SIZE;
101 unsigned int offset = 0;
102 hb_tag_t tags[STATIC_ARRAY_SIZE];
103 while (count == STATIC_ARRAY_SIZE)
104 {
105 total = hb_ot_layout_table_get_feature_tags (face, HB_OT_TAG_GSUB, offset, &count, tags);
106 g_assert_cmpuint (14, ==, total);
107 offset += count;
108 if (count)
109 {
110 g_assert_cmpuint (14, ==, count);
111 g_assert_cmpuint (HB_TAG ('c','c','m','p'), ==, tags[0]);
112 g_assert_cmpuint (HB_TAG ('i','s','o','l'), ==, tags[10]);
113 g_assert_cmpuint (HB_TAG ('r','l','i','g'), ==, tags[13]);
114 }
115 }
116 count = STATIC_ARRAY_SIZE;
117 offset = 0;
118 while (count == STATIC_ARRAY_SIZE)
119 {
120 total = hb_ot_layout_table_get_feature_tags (face, HB_OT_TAG_GPOS, offset, &count, tags);
121 g_assert_cmpuint (3, ==, total);
122 offset += count;
123 if (count)
124 {
125 g_assert_cmpuint (3, ==, count);
126 g_assert_cmpuint (HB_TAG ('c','u','r','s'), ==, tags[0]);
127 g_assert_cmpuint (HB_TAG ('m','a','r','k'), ==, tags[1]);
128 g_assert_cmpuint (HB_TAG ('m','k','m','k'), ==, tags[2]);
129 }
130 }
131
132 hb_face_destroy (face);
133 }
134
135 static void
136 test_ot_layout_script_get_language_tags (void)
137 {
138 hb_face_t *face = hb_test_open_font_file ("fonts/Estedad-VF.ttf");
139
140 unsigned int total = 0;
141 unsigned int count = STATIC_ARRAY_SIZE;
142 unsigned int offset = 0;
143 hb_tag_t tags[STATIC_ARRAY_SIZE];
144 while (count == STATIC_ARRAY_SIZE)
145 {
146 total = hb_ot_layout_script_get_language_tags (face, HB_OT_TAG_GSUB, 0, offset, &count, tags);
147 g_assert_cmpuint (2, ==, total);
148 offset += count;
149 if (count)
150 {
151 g_assert_cmpuint (2, ==, count);
152 g_assert_cmpuint (HB_TAG ('F','A','R',' '), ==, tags[0]);
153 g_assert_cmpuint (HB_TAG ('K','U','R',' '), ==, tags[1]);
154 }
155 }
156 count = STATIC_ARRAY_SIZE;
157 offset = 0;
158 while (count == STATIC_ARRAY_SIZE)
159 {
160 total = hb_ot_layout_script_get_language_tags (face, HB_OT_TAG_GPOS, 1, offset, &count, tags);
161 g_assert_cmpuint (2, ==, total);
162 offset += count;
163 if (count)
164 {
165 g_assert_cmpuint (2, ==, count);
166 g_assert_cmpuint (HB_TAG ('F','A','R',' '), ==, tags[0]);
167 g_assert_cmpuint (HB_TAG ('K','U','R',' '), ==, tags[1]);
168 }
169 }
170
171 hb_face_destroy (face);
172 }
173
174 static void
175 test_ot_layout_language_get_feature_tags (void)
176 {
177 hb_face_t *face = hb_test_open_font_file ("fonts/Estedad-VF.ttf");
178
179 unsigned int total = 0;
180 unsigned int count = STATIC_ARRAY_SIZE;
181 unsigned int offset = 0;
182 hb_tag_t tags[STATIC_ARRAY_SIZE];
183 while (count == STATIC_ARRAY_SIZE)
184 {
185 total = hb_ot_layout_language_get_feature_tags (face, HB_OT_TAG_GSUB, 0, 0, offset, &count, tags);
186 g_assert_cmpuint (6, ==, total);
187 offset += count;
188 if (count)
189 {
190 g_assert_cmpuint (6, ==, count);
191 g_assert_cmpuint (HB_TAG ('c','a','l','t'), ==, tags[0]);
192 g_assert_cmpuint (HB_TAG ('f','i','n','a'), ==, tags[1]);
193 g_assert_cmpuint (HB_TAG ('i','n','i','t'), ==, tags[2]);
194 g_assert_cmpuint (HB_TAG ('l','i','g','a'), ==, tags[3]);
195 g_assert_cmpuint (HB_TAG ('m','e','d','i'), ==, tags[4]);
196 g_assert_cmpuint (HB_TAG ('r','l','i','g'), ==, tags[5]);
197 }
198 }
199 count = STATIC_ARRAY_SIZE;
200 offset = 0;
201 while (count == STATIC_ARRAY_SIZE)
202 {
203 total = hb_ot_layout_language_get_feature_tags (face, HB_OT_TAG_GPOS, 1, 0, offset, &count, tags);
204 g_assert_cmpuint (3, ==, total);
205 offset += count;
206 if (count)
207 {
208 g_assert_cmpuint (3, ==, count);
209 g_assert_cmpuint (HB_TAG ('k','e','r','n'), ==, tags[0]);
210 g_assert_cmpuint (HB_TAG ('m','a','r','k'), ==, tags[1]);
211 g_assert_cmpuint (HB_TAG ('m','k','m','k'), ==, tags[2]);
212 }
213 }
214
215 hb_face_destroy (face);
216 }
217
218 int
219 main (int argc, char **argv)
220 {
221 hb_test_init (&argc, &argv);
222 hb_test_add (test_ot_layout_table_get_script_tags);
223 hb_test_add (test_ot_layout_table_find_script);
224 hb_test_add (test_ot_layout_script_get_language_tags);
225 hb_test_add (test_ot_layout_table_get_feature_tags);
226 hb_test_add (test_ot_layout_language_get_feature_tags);
227 return hb_test_run ();
228 }