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 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 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 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 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
