1 /*
2 * Copyright © 2020 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): Calder Kitagawa
25 */
26
27 #include "hb-test.h"
28 #include "hb-subset-test.h"
29
30 /* Unit tests for COLR subsetting */
31
32 static void
test_subset_colr_noop(void)33 test_subset_colr_noop (void)
34 {
35 hb_face_t *face = hb_test_open_font_file ("fonts/TwemojiMozilla.subset.ttf");
36
37 hb_set_t *codepoints = hb_set_create ();
38 hb_face_t *face_subset;
39 hb_set_add (codepoints, '2');
40 hb_set_add (codepoints, 0x3297);
41 hb_set_add (codepoints, 0x3299);
42 face_subset = hb_subset_test_create_subset (face, hb_subset_test_create_input (codepoints));
43 hb_set_destroy (codepoints);
44
45 hb_subset_test_check (face, face_subset, HB_TAG ('C','O','L','R'));
46
47 hb_face_destroy (face_subset);
48 hb_face_destroy (face);
49 }
50
51 static void
test_subset_colr_keep_one_colr_glyph(void)52 test_subset_colr_keep_one_colr_glyph (void)
53 {
54 hb_face_t *face = hb_test_open_font_file ("fonts/TwemojiMozilla.subset.ttf");
55 hb_face_t *face_expected = hb_test_open_font_file ("fonts/TwemojiMozilla.subset.default.3297.ttf");
56
57 hb_set_t *codepoints = hb_set_create ();
58 hb_face_t *face_subset;
59 hb_set_add (codepoints, 0x3297);
60 face_subset = hb_subset_test_create_subset (face, hb_subset_test_create_input (codepoints));
61 hb_set_destroy (codepoints);
62
63 hb_subset_test_check (face_expected, face_subset, HB_TAG ('C','O','L','R'));
64
65 hb_face_destroy (face_subset);
66 hb_face_destroy (face_expected);
67 hb_face_destroy (face);
68 }
69
70 static void
test_subset_colr_keep_mixed_glyph(void)71 test_subset_colr_keep_mixed_glyph (void)
72 {
73 hb_face_t *face = hb_test_open_font_file ("fonts/TwemojiMozilla.subset.ttf");
74 hb_face_t *face_expected = hb_test_open_font_file ("fonts/TwemojiMozilla.subset.default.32,3299.ttf");
75
76 hb_set_t *codepoints = hb_set_create ();
77 hb_face_t *face_subset;
78 hb_set_add (codepoints, '2');
79 hb_set_add (codepoints, 0x3299);
80 face_subset = hb_subset_test_create_subset (face, hb_subset_test_create_input (codepoints));
81 hb_set_destroy (codepoints);
82
83 hb_subset_test_check (face_expected, face_subset, HB_TAG ('C','O','L','R'));
84
85 hb_face_destroy (face_subset);
86 hb_face_destroy (face_expected);
87 hb_face_destroy (face);
88 }
89
90 static void
test_subset_colr_keep_no_colr_glyph(void)91 test_subset_colr_keep_no_colr_glyph (void)
92 {
93 hb_face_t *face = hb_test_open_font_file ("fonts/TwemojiMozilla.subset.ttf");
94 hb_face_t *face_expected = hb_test_open_font_file ("fonts/TwemojiMozilla.subset.default.32.ttf");
95
96 hb_set_t *codepoints = hb_set_create ();
97 hb_face_t *face_subset;
98 hb_set_add (codepoints, '2');
99 face_subset = hb_subset_test_create_subset (face, hb_subset_test_create_input (codepoints));
100 hb_set_destroy (codepoints);
101
102 hb_subset_test_check (face_expected, face_subset, HB_TAG ('C','O','L','R'));
103
104 hb_face_destroy (face_subset);
105 hb_face_destroy (face_expected);
106 hb_face_destroy (face);
107 }
108
109 int
main(int argc,char ** argv)110 main (int argc, char **argv)
111 {
112 hb_test_init (&argc, &argv);
113
114 hb_test_add (test_subset_colr_noop);
115 hb_test_add (test_subset_colr_keep_one_colr_glyph);
116 hb_test_add (test_subset_colr_keep_mixed_glyph);
117 hb_test_add (test_subset_colr_keep_no_colr_glyph);
118
119 return hb_test_run();
120 }
121