1 /*
2 * Copyright © 2018 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): Garret Rieger
25 */
26
27 #include "hb-test.h"
28 #include "hb-subset-test.h"
29
30 /* Unit tests for hb-subset-glyf.h */
31
32 static void
test_subset_32_tables(void)33 test_subset_32_tables (void)
34 {
35 hb_face_t *face = hb_test_open_font_file ("../fuzzing/fonts/oom-6ef8c96d3710262511bcc730dce9c00e722cb653");
36
37 hb_subset_input_t *input = hb_subset_input_create_or_fail ();
38 hb_set_t *codepoints = hb_subset_input_unicode_set (input);
39 hb_face_t *subset;
40
41 hb_set_add (codepoints, 'a');
42 hb_set_add (codepoints, 'b');
43 hb_set_add (codepoints, 'c');
44
45 subset = hb_subset (face, input);
46 g_assert (subset);
47 g_assert (subset != hb_face_get_empty ());
48
49 hb_subset_input_destroy (input);
50 hb_face_destroy (subset);
51 hb_face_destroy (face);
52 }
53
54 static void
test_subset_no_inf_loop(void)55 test_subset_no_inf_loop (void)
56 {
57 hb_face_t *face = hb_test_open_font_file ("../fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-5521982557782016");
58
59 hb_subset_input_t *input = hb_subset_input_create_or_fail ();
60 hb_set_t *codepoints = hb_subset_input_unicode_set (input);
61 hb_face_t *subset;
62
63 hb_set_add (codepoints, 'a');
64 hb_set_add (codepoints, 'b');
65 hb_set_add (codepoints, 'c');
66
67 subset = hb_subset (face, input);
68 g_assert (subset);
69 g_assert (subset == hb_face_get_empty ());
70
71 hb_subset_input_destroy (input);
72 hb_face_destroy (subset);
73 hb_face_destroy (face);
74 }
75
76 static void
test_subset_crash(void)77 test_subset_crash (void)
78 {
79 hb_face_t *face = hb_test_open_font_file ("../fuzzing/fonts/crash-4b60576767ee4d9fe1cc10959d89baf73d4e8249");
80
81 hb_subset_input_t *input = hb_subset_input_create_or_fail ();
82 hb_set_t *codepoints = hb_subset_input_unicode_set (input);
83 hb_face_t *subset;
84
85 hb_set_add (codepoints, 'a');
86 hb_set_add (codepoints, 'b');
87 hb_set_add (codepoints, 'c');
88
89 subset = hb_subset (face, input);
90 g_assert (subset);
91 g_assert (subset == hb_face_get_empty ());
92
93 hb_subset_input_destroy (input);
94 hb_face_destroy (subset);
95 hb_face_destroy (face);
96 }
97
98 int
main(int argc,char ** argv)99 main (int argc, char **argv)
100 {
101 hb_test_init (&argc, &argv);
102
103 hb_test_add (test_subset_32_tables);
104 hb_test_add (test_subset_no_inf_loop);
105 hb_test_add (test_subset_crash);
106
107 return hb_test_run();
108 }
109