210 lines
6.4 KiB
C
210 lines
6.4 KiB
C
/*
|
|
* Copyright © 2018 Google, Inc.
|
|
*
|
|
* This is part of HarfBuzz, a text shaping library.
|
|
*
|
|
* Permission is hereby granted, without written agreement and without
|
|
* license or royalty fees, to use, copy, modify, and distribute this
|
|
* software and its documentation for any purpose, provided that the
|
|
* above copyright notice and the following two paragraphs appear in
|
|
* all copies of this software.
|
|
*
|
|
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
|
|
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
|
|
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
|
|
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
|
|
* DAMAGE.
|
|
*
|
|
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
|
|
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
|
|
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
|
|
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
|
|
*
|
|
* Google Author(s): Garret Rieger
|
|
*/
|
|
|
|
#include "hb-test.h"
|
|
#include "hb-subset-test.h"
|
|
|
|
/* Unit tests for hb-subset-glyf.h */
|
|
|
|
static void
|
|
test_subset_32_tables (void)
|
|
{
|
|
hb_face_t *face = hb_test_open_font_file ("../fuzzing/fonts/oom-6ef8c96d3710262511bcc730dce9c00e722cb653");
|
|
|
|
hb_subset_input_t *input = hb_subset_input_create_or_fail ();
|
|
hb_set_t *codepoints = hb_subset_input_unicode_set (input);
|
|
hb_face_t *subset;
|
|
|
|
hb_set_add (codepoints, 'a');
|
|
hb_set_add (codepoints, 'b');
|
|
hb_set_add (codepoints, 'c');
|
|
|
|
subset = hb_subset_or_fail (face, input);
|
|
g_assert (subset);
|
|
g_assert (subset != hb_face_get_empty ());
|
|
|
|
hb_subset_input_destroy (input);
|
|
hb_face_destroy (subset);
|
|
hb_face_destroy (face);
|
|
}
|
|
|
|
static void
|
|
test_subset_no_inf_loop (void)
|
|
{
|
|
hb_face_t *face = hb_test_open_font_file ("../fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-5521982557782016");
|
|
|
|
hb_subset_input_t *input = hb_subset_input_create_or_fail ();
|
|
hb_set_t *codepoints = hb_subset_input_unicode_set (input);
|
|
hb_face_t *subset;
|
|
|
|
hb_set_add (codepoints, 'a');
|
|
hb_set_add (codepoints, 'b');
|
|
hb_set_add (codepoints, 'c');
|
|
|
|
subset = hb_subset_or_fail (face, input);
|
|
g_assert (!subset);
|
|
|
|
hb_subset_input_destroy (input);
|
|
hb_face_destroy (subset);
|
|
hb_face_destroy (face);
|
|
}
|
|
|
|
static void
|
|
test_subset_crash (void)
|
|
{
|
|
hb_face_t *face = hb_test_open_font_file ("../fuzzing/fonts/crash-4b60576767ee4d9fe1cc10959d89baf73d4e8249");
|
|
|
|
hb_subset_input_t *input = hb_subset_input_create_or_fail ();
|
|
hb_set_t *codepoints = hb_subset_input_unicode_set (input);
|
|
hb_face_t *subset;
|
|
|
|
hb_set_add (codepoints, 'a');
|
|
hb_set_add (codepoints, 'b');
|
|
hb_set_add (codepoints, 'c');
|
|
|
|
subset = hb_subset_or_fail (face, input);
|
|
g_assert (!subset);
|
|
|
|
hb_subset_input_destroy (input);
|
|
hb_face_destroy (subset);
|
|
hb_face_destroy (face);
|
|
}
|
|
|
|
static void
|
|
test_subset_set_flags (void)
|
|
{
|
|
hb_subset_input_t *input = hb_subset_input_create_or_fail ();
|
|
|
|
g_assert (hb_subset_input_get_flags (input) == HB_SUBSET_FLAGS_DEFAULT);
|
|
|
|
hb_subset_input_set_flags (input,
|
|
HB_SUBSET_FLAGS_NAME_LEGACY |
|
|
HB_SUBSET_FLAGS_NOTDEF_OUTLINE |
|
|
HB_SUBSET_FLAGS_GLYPH_NAMES);
|
|
|
|
g_assert (hb_subset_input_get_flags (input) ==
|
|
(hb_subset_flags_t) (
|
|
HB_SUBSET_FLAGS_NAME_LEGACY |
|
|
HB_SUBSET_FLAGS_NOTDEF_OUTLINE |
|
|
HB_SUBSET_FLAGS_GLYPH_NAMES));
|
|
|
|
hb_subset_input_set_flags (input,
|
|
HB_SUBSET_FLAGS_NAME_LEGACY |
|
|
HB_SUBSET_FLAGS_NOTDEF_OUTLINE |
|
|
HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES);
|
|
|
|
g_assert (hb_subset_input_get_flags (input) ==
|
|
(hb_subset_flags_t) (
|
|
HB_SUBSET_FLAGS_NAME_LEGACY |
|
|
HB_SUBSET_FLAGS_NOTDEF_OUTLINE |
|
|
HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES));
|
|
|
|
|
|
hb_subset_input_destroy (input);
|
|
}
|
|
|
|
|
|
static void
|
|
test_subset_sets (void)
|
|
{
|
|
hb_subset_input_t *input = hb_subset_input_create_or_fail ();
|
|
hb_set_t* set = hb_set_create ();
|
|
|
|
hb_set_add (hb_subset_input_set (input, HB_SUBSET_SETS_GLYPH_INDEX), 83);
|
|
hb_set_add (hb_subset_input_set (input, HB_SUBSET_SETS_UNICODE), 85);
|
|
|
|
hb_set_clear (hb_subset_input_set (input, HB_SUBSET_SETS_LAYOUT_FEATURE_TAG));
|
|
hb_set_add (hb_subset_input_set (input, HB_SUBSET_SETS_LAYOUT_FEATURE_TAG), 87);
|
|
|
|
hb_set_add (set, 83);
|
|
g_assert (hb_set_is_equal (hb_subset_input_glyph_set (input), set));
|
|
hb_set_clear (set);
|
|
|
|
hb_set_add (set, 85);
|
|
g_assert (hb_set_is_equal (hb_subset_input_unicode_set (input), set));
|
|
hb_set_clear (set);
|
|
|
|
hb_set_add (set, 87);
|
|
g_assert (hb_set_is_equal (hb_subset_input_set (input, HB_SUBSET_SETS_LAYOUT_FEATURE_TAG), set));
|
|
hb_set_clear (set);
|
|
|
|
hb_set_destroy (set);
|
|
hb_subset_input_destroy (input);
|
|
}
|
|
|
|
static void
|
|
test_subset_plan (void)
|
|
{
|
|
hb_face_t *face_abc = hb_test_open_font_file ("fonts/Roboto-Regular.abc.ttf");
|
|
hb_face_t *face_ac = hb_test_open_font_file ("fonts/Roboto-Regular.ac.ttf");
|
|
|
|
hb_set_t *codepoints = hb_set_create();
|
|
hb_set_add (codepoints, 97);
|
|
hb_set_add (codepoints, 99);
|
|
hb_subset_input_t* input = hb_subset_test_create_input (codepoints);
|
|
hb_set_destroy (codepoints);
|
|
|
|
hb_subset_plan_t* plan = hb_subset_plan_create_or_fail (face_abc, input);
|
|
g_assert (plan);
|
|
|
|
const hb_map_t* mapping = hb_subset_plan_old_to_new_glyph_mapping (plan);
|
|
g_assert (hb_map_get (mapping, 1) == 1);
|
|
g_assert (hb_map_get (mapping, 3) == 2);
|
|
|
|
mapping = hb_subset_plan_new_to_old_glyph_mapping (plan);
|
|
g_assert (hb_map_get (mapping, 1) == 1);
|
|
g_assert (hb_map_get (mapping, 2) == 3);
|
|
|
|
mapping = hb_subset_plan_unicode_to_old_glyph_mapping (plan);
|
|
g_assert (hb_map_get (mapping, 0x63) == 3);
|
|
|
|
hb_face_t* face_abc_subset = hb_subset_plan_execute_or_fail (plan);
|
|
|
|
hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('l','o','c', 'a'));
|
|
hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('g','l','y','f'));
|
|
|
|
hb_subset_input_destroy (input);
|
|
hb_subset_plan_destroy (plan);
|
|
hb_face_destroy (face_abc_subset);
|
|
hb_face_destroy (face_abc);
|
|
hb_face_destroy (face_ac);
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
hb_test_init (&argc, &argv);
|
|
|
|
hb_test_add (test_subset_32_tables);
|
|
hb_test_add (test_subset_no_inf_loop);
|
|
hb_test_add (test_subset_crash);
|
|
hb_test_add (test_subset_set_flags);
|
|
hb_test_add (test_subset_sets);
|
|
hb_test_add (test_subset_plan);
|
|
|
|
return hb_test_run();
|
|
}
|