2 * Copyright © 2018 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): Garret Rieger
28 #include "hb-subset-test.h"
30 /* Unit tests for hdmx subsetting */
34 test_subset_hdmx_simple_subset (void)
36 hb_face_t *face_abc = hb_subset_test_open_font ("fonts/Roboto-Regular.abc.ttf");
37 hb_face_t *face_ac = hb_subset_test_open_font ("fonts/Roboto-Regular.ac.ttf");
39 hb_set_t *codepoints = hb_set_create ();
40 hb_face_t *face_abc_subset;
41 hb_set_add (codepoints, 'a');
42 hb_set_add (codepoints, 'c');
43 face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
44 hb_set_destroy (codepoints);
46 hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('h','d','m','x'));
48 hb_face_destroy (face_abc_subset);
49 hb_face_destroy (face_abc);
50 hb_face_destroy (face_ac);
54 test_subset_hdmx_invalid (void)
56 hb_face_t *face = hb_subset_test_open_font("fonts/crash-ccc61c92d589f895174cdef6ff2e3b20e9999a1a");
58 hb_subset_input_t *input = hb_subset_input_create_or_fail ();
59 hb_set_t *codepoints = hb_subset_input_unicode_set (input);
60 hb_set_add (codepoints, 'a');
61 hb_set_add (codepoints, 'b');
62 hb_set_add (codepoints, 'c');
64 hb_subset_profile_t *profile = hb_subset_profile_create();
65 hb_face_t *subset = hb_subset (face, profile, input);
67 g_assert (subset == hb_face_get_empty ());
69 hb_subset_input_destroy (input);
70 hb_subset_profile_destroy (profile);
71 hb_face_destroy (subset);
72 hb_face_destroy (face);
76 test_subset_hdmx_fails_sanitize (void)
78 hb_face_t *face = hb_subset_test_open_font("fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-5609911946838016");
80 hb_subset_input_t *input = hb_subset_input_create_or_fail ();
81 hb_set_t *codepoints = hb_subset_input_unicode_set (input);
82 hb_set_add (codepoints, 'a');
83 hb_set_add (codepoints, 'b');
84 hb_set_add (codepoints, 'c');
86 hb_subset_profile_t *profile = hb_subset_profile_create();
87 hb_face_t *subset = hb_subset (face, profile, input);
89 g_assert (subset == hb_face_get_empty ());
91 hb_subset_input_destroy (input);
92 hb_subset_profile_destroy (profile);
93 hb_face_destroy (subset);
94 hb_face_destroy (face);
98 test_subset_hdmx_noop (void)
100 hb_face_t *face_abc = hb_subset_test_open_font("fonts/Roboto-Regular.abc.ttf");
102 hb_set_t *codepoints = hb_set_create();
103 hb_face_t *face_abc_subset;
104 hb_set_add (codepoints, 'a');
105 hb_set_add (codepoints, 'b');
106 hb_set_add (codepoints, 'c');
107 face_abc_subset = hb_subset_test_create_subset (face_abc, hb_subset_test_create_input (codepoints));
108 hb_set_destroy (codepoints);
110 hb_subset_test_check (face_abc, face_abc_subset, HB_TAG ('h','d','m','x'));
112 hb_face_destroy (face_abc_subset);
113 hb_face_destroy (face_abc);
117 main (int argc, char **argv)
119 hb_test_init (&argc, &argv);
121 hb_test_add (test_subset_hdmx_simple_subset);
122 hb_test_add (test_subset_hdmx_invalid);
123 hb_test_add (test_subset_hdmx_fails_sanitize);
124 hb_test_add (test_subset_hdmx_noop);
126 return hb_test_run();