1 /*
2 * Copyright © 2019 Adobe 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 * Adobe Author(s): Michiharu Ariza
25 */
26
27 #include "hb-test.h"
28 #include "hb-subset-test.h"
29
30 /* Unit tests for HVAR subsetting */
31
32 static void
33 test_subset_map_HVAR_noop (void)
34 {
35 hb_face_t *face_abc = hb_test_open_font_file("fonts/AdobeVFPrototype.abc.otf");
36
37 hb_set_t *codepoints = hb_set_create ();
38 hb_face_t *face_abc_subset;
39 hb_set_add (codepoints, 'a');
40 hb_set_add (codepoints, 'b');
41 hb_set_add (codepoints, 'c');
42 face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
43 hb_set_destroy (codepoints);
44
45 hb_subset_test_check (face_abc, face_abc_subset, HB_TAG ('H','V','A','R'));
46
47 hb_face_destroy (face_abc_subset);
48 hb_face_destroy (face_abc);
49 }
50
51 static void
52 test_subset_map_HVAR (void)
53 {
54 hb_face_t *face_abc = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.otf");
55 hb_face_t *face_ac = hb_test_open_font_file ("fonts/AdobeVFPrototype.ac.otf");
56
57 hb_set_t *codepoints = hb_set_create ();
58 hb_face_t *face_abc_subset;
59 hb_set_add (codepoints, 'a');
60 hb_set_add (codepoints, 'c');
61 face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
62 hb_set_destroy (codepoints);
63
64 hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('H','V','A','R'));
65
66 hb_face_destroy (face_abc_subset);
67 hb_face_destroy (face_abc);
68 hb_face_destroy (face_ac);
69 }
70
71 static void
72 test_subset_map_HVAR_retaingids (void)
73 {
74 hb_face_t *face_abc = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.otf");
75 hb_face_t *face_ac = hb_test_open_font_file ("fonts/AdobeVFPrototype.ac.retaingids.otf");
76
77 hb_set_t *codepoints = hb_set_create ();
78 hb_face_t *face_abc_subset;
79 hb_set_add (codepoints, 'a');
80 hb_set_add (codepoints, 'c');
81 hb_subset_input_t *input = hb_subset_test_create_input (codepoints);
82 hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_RETAIN_GIDS);
83 face_abc_subset = hb_subset_test_create_subset (face_abc, input);
84 hb_set_destroy (codepoints);
85
86 hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('H','V','A','R'));
87
88 hb_face_destroy (face_abc_subset);
89 hb_face_destroy (face_abc);
90 hb_face_destroy (face_ac);
91 }
92
93 static void
94 test_subset_map_modHVAR (void)
95 {
96 hb_face_t *face_abc = hb_test_open_font_file ("fonts/SourceSansVariable-Roman-modHVAR.abc.ttf");
97 hb_face_t *face_ac = hb_test_open_font_file ("fonts/SourceSansVariable-Roman-modHVAR.ac.ttf");
98
99 hb_set_t *codepoints = hb_set_create ();
100 hb_face_t *face_abc_subset;
101 hb_set_add (codepoints, 'a');
102 hb_set_add (codepoints, 'c');
103 face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
104 hb_set_destroy (codepoints);
105
106 hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('H','V','A','R'));
107
108 hb_face_destroy (face_abc_subset);
109 hb_face_destroy (face_abc);
110 hb_face_destroy (face_ac);
111 }
112
113 static void
114 test_subset_identity_HVAR_noop (void)
115 {
116 hb_face_t *face_abc = hb_test_open_font_file("fonts/SourceSansVariable-Roman.abc.ttf");
117
118 hb_set_t *codepoints = hb_set_create ();
119 hb_face_t *face_abc_subset;
120 hb_set_add (codepoints, 'a');
121 hb_set_add (codepoints, 'b');
122 hb_set_add (codepoints, 'c');
123 face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
124 hb_set_destroy (codepoints);
125
126 hb_subset_test_check (face_abc, face_abc_subset, HB_TAG ('H','V','A','R'));
127
128 hb_face_destroy (face_abc_subset);
129 hb_face_destroy (face_abc);
130 }
131
132 static void
133 test_subset_identity_HVAR (void)
134 {
135 hb_face_t *face_abc = hb_test_open_font_file ("fonts/SourceSansVariable-Roman.abc.ttf");
136 hb_face_t *face_ac = hb_test_open_font_file ("fonts/SourceSansVariable-Roman.ac.ttf");
137
138 hb_set_t *codepoints = hb_set_create ();
139 hb_face_t *face_abc_subset;
140 hb_set_add (codepoints, 'a');
141 hb_set_add (codepoints, 'c');
142 face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
143 hb_set_destroy (codepoints);
144
145 hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('H','V','A','R'));
146
147 hb_face_destroy (face_abc_subset);
148 hb_face_destroy (face_abc);
149 hb_face_destroy (face_ac);
150 }
151
152 static void
153 test_subset_identity_HVAR_retaingids (void)
154 {
155 hb_face_t *face_abc = hb_test_open_font_file ("fonts/SourceSansVariable-Roman.abc.ttf");
156 hb_face_t *face_ac = hb_test_open_font_file ("fonts/SourceSansVariable-Roman.ac.retaingids.ttf");
157
158 hb_set_t *codepoints = hb_set_create ();
159 hb_face_t *face_abc_subset;
160 hb_set_add (codepoints, 'a');
161 hb_set_add (codepoints, 'c');
162 hb_subset_input_t *input = hb_subset_test_create_input (codepoints);
163 hb_subset_input_set_flags (input, HB_SUBSET_FLAGS_RETAIN_GIDS);
164 face_abc_subset = hb_subset_test_create_subset (face_abc, input);
165 hb_set_destroy (codepoints);
166
167 hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('H','V','A','R'));
168
169 hb_face_destroy (face_abc_subset);
170 hb_face_destroy (face_abc);
171 hb_face_destroy (face_ac);
172 }
173
174
175 int
176 main (int argc, char **argv)
177 {
178 hb_test_init (&argc, &argv);
179
180 hb_test_add (test_subset_map_HVAR_noop);
181 hb_test_add (test_subset_map_HVAR);
182 hb_test_add (test_subset_map_HVAR_retaingids);
183 hb_test_add (test_subset_map_modHVAR);
184 hb_test_add (test_subset_identity_HVAR_noop);
185 hb_test_add (test_subset_identity_HVAR);
186 hb_test_add (test_subset_identity_HVAR_retaingids);
187
188 return hb_test_run ();
189 }