harfbuzz/test/api/test-subset-repacker.c

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/*
* Copyright © 2022 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.
*
*/
#include "hb-test.h"
#include "hb-subset-test.h"
#ifdef HB_EXPERIMENTAL_API
#include "hb-subset-repacker.h"
char test_gsub_data[106] = "\x0\x1\x0\x0\x0\xa\x0\x1e\x0\x2c\x0\x1\x6c\x61\x74\x6e\x0\x8\x0\x4\x0\x0\x0\x0\xff\xff\x0\x1\x0\x0\x0\x1\x74\x65\x73\x74\x0\x8\x0\x0\x0\x1\x0\x1\x0\x2\x0\x2a\x0\x6\x0\x5\x0\x0\x0\x1\x0\x8\x0\x1\x0\x8\x0\x1\x0\xe\x0\x1\x0\x1\x0\x1\x0\x1\x0\x4\x0\x2\x0\x1\x0\x2\x0\x1\x0\x0\x0\x1\x0\x0\x0\x1\x0\x8\x0\x1\x0\x6\x0\x1\x0\x1\x0\x1\x0\x2";
static void
test_hb_repack_with_cy_struct (void)
{
hb_object_t *hb_objs = calloc (15, sizeof (hb_object_t));
hb_objs[0].head = &(test_gsub_data[100]);
hb_objs[0].tail = &(test_gsub_data[105]) + 1;
hb_objs[0].num_real_links = 0;
hb_objs[0].num_virtual_links = 0;
hb_objs[0].real_links = NULL;
hb_objs[0].virtual_links = NULL;
hb_objs[1].head = &(test_gsub_data[94]);
hb_objs[1].tail = &(test_gsub_data[100]);
hb_objs[1].num_real_links = 1;
hb_objs[1].num_virtual_links = 0;
hb_objs[1].real_links = malloc (sizeof (hb_link_t));
hb_objs[1].real_links[0].width = 2;
hb_objs[1].real_links[0].position = 2;
hb_objs[1].real_links[0].objidx = 1;
hb_objs[1].virtual_links = NULL;
hb_objs[2].head = &(test_gsub_data[86]);
hb_objs[2].tail = &(test_gsub_data[94]);
hb_objs[2].num_real_links = 1;
hb_objs[2].num_virtual_links = 0;
hb_objs[2].real_links = malloc (sizeof (hb_link_t));
hb_objs[2].real_links[0].width = 2;
hb_objs[2].real_links[0].position = 6;
hb_objs[2].real_links[0].objidx = 2;
hb_objs[2].virtual_links = NULL;
hb_objs[3].head = &(test_gsub_data[76]);
hb_objs[3].tail = &(test_gsub_data[86]);
hb_objs[3].num_real_links = 0;
hb_objs[3].num_virtual_links = 0;
hb_objs[3].real_links = NULL;
hb_objs[3].virtual_links = NULL;
hb_objs[4].head = &(test_gsub_data[72]);
hb_objs[4].tail = &(test_gsub_data[76]);
hb_objs[4].num_real_links = 1;
hb_objs[4].num_virtual_links = 0;
hb_objs[4].real_links = malloc (sizeof (hb_link_t));
hb_objs[4].real_links[0].width = 2;
hb_objs[4].real_links[0].position = 2;
hb_objs[4].real_links[0].objidx = 4;
hb_objs[4].virtual_links = NULL;
hb_objs[5].head = &(test_gsub_data[66]);
hb_objs[5].tail = &(test_gsub_data[72]);
hb_objs[5].num_real_links = 0;
hb_objs[5].num_virtual_links = 0;
hb_objs[5].real_links = NULL;
hb_objs[5].virtual_links = NULL;
hb_objs[6].head = &(test_gsub_data[58]);
hb_objs[6].tail = &(test_gsub_data[66]);
hb_objs[6].num_real_links = 2;
hb_objs[6].num_virtual_links = 0;
hb_objs[6].real_links = calloc (2, sizeof (hb_link_t));
hb_objs[6].real_links[0].width = 2;
hb_objs[6].real_links[0].position = 6;
hb_objs[6].real_links[0].objidx = 5;
hb_objs[6].real_links[1].width = 2;
hb_objs[6].real_links[1].position = 2;
hb_objs[6].real_links[1].objidx = 6;
hb_objs[6].virtual_links = NULL;
hb_objs[7].head = &(test_gsub_data[50]);
hb_objs[7].tail = &(test_gsub_data[58]);
hb_objs[7].num_real_links = 1;
hb_objs[7].num_virtual_links = 0;
hb_objs[7].real_links = malloc (sizeof (hb_link_t));
hb_objs[7].real_links[0].width = 2;
hb_objs[7].real_links[0].position = 6;
hb_objs[7].real_links[0].objidx = 7;
hb_objs[7].virtual_links = NULL;
hb_objs[8].head = &(test_gsub_data[44]);
hb_objs[8].tail = &(test_gsub_data[50]);
hb_objs[8].num_real_links = 2;
hb_objs[8].num_virtual_links = 0;
hb_objs[8].real_links = calloc (2, sizeof (hb_link_t));
hb_objs[8].real_links[0].width = 2;
hb_objs[8].real_links[0].position = 2;
hb_objs[8].real_links[0].objidx = 3;
hb_objs[8].real_links[1].width = 2;
hb_objs[8].real_links[1].position = 4;
hb_objs[8].real_links[1].objidx = 8;
hb_objs[8].virtual_links = NULL;
hb_objs[9].head = &(test_gsub_data[38]);
hb_objs[9].tail = &(test_gsub_data[44]);
hb_objs[9].num_real_links = 0;
hb_objs[9].num_virtual_links = 0;
hb_objs[9].real_links = NULL;
hb_objs[9].virtual_links = NULL;
hb_objs[10].head = &(test_gsub_data[30]);
hb_objs[10].tail = &(test_gsub_data[38]);
hb_objs[10].num_real_links = 1;
hb_objs[10].num_virtual_links = 0;
hb_objs[10].real_links = malloc (sizeof (hb_link_t));
hb_objs[10].real_links[0].width = 2;
hb_objs[10].real_links[0].position = 6;
hb_objs[10].real_links[0].objidx = 10;
hb_objs[10].virtual_links = NULL;
hb_objs[11].head = &(test_gsub_data[22]);
hb_objs[11].tail = &(test_gsub_data[30]);
hb_objs[11].num_real_links = 0;
hb_objs[11].num_virtual_links = 0;
hb_objs[11].real_links = NULL;
hb_objs[11].virtual_links = NULL;
hb_objs[12].head = &(test_gsub_data[18]);
hb_objs[12].tail = &(test_gsub_data[22]);
hb_objs[12].num_real_links = 1;
hb_objs[12].num_virtual_links = 0;
hb_objs[12].real_links = malloc (sizeof (hb_link_t));
hb_objs[12].real_links[0].width = 2;
hb_objs[12].real_links[0].position = 0;
hb_objs[12].real_links[0].objidx = 12;
hb_objs[12].virtual_links = NULL;
hb_objs[13].head = &(test_gsub_data[10]);
hb_objs[13].tail = &(test_gsub_data[18]);
hb_objs[13].num_real_links = 1;
hb_objs[13].num_virtual_links = 0;
hb_objs[13].real_links = malloc (sizeof (hb_link_t));
hb_objs[13].real_links[0].width = 2;
hb_objs[13].real_links[0].position = 6;
hb_objs[13].real_links[0].objidx = 13;
hb_objs[13].virtual_links = NULL;
hb_objs[14].head = &(test_gsub_data[0]);
hb_objs[14].tail = &(test_gsub_data[10]);
hb_objs[14].num_real_links = 3;
hb_objs[14].num_virtual_links = 0;
hb_objs[14].real_links = calloc (3, sizeof (hb_link_t));
hb_objs[14].real_links[0].width = 2;
hb_objs[14].real_links[0].position = 8;
hb_objs[14].real_links[0].objidx = 9;
hb_objs[14].real_links[1].width = 2;
hb_objs[14].real_links[1].position = 6;
hb_objs[14].real_links[1].objidx = 11;
hb_objs[14].real_links[2].width = 2;
hb_objs[14].real_links[2].position = 4;
hb_objs[14].real_links[2].objidx = 14;
hb_objs[14].virtual_links = NULL;
hb_blob_t *result = hb_subset_repack_or_fail (hb_objs, 15);
hb_face_t *face_expected = hb_test_open_font_file ("fonts/repacker_expected.otf");
hb_blob_t *expected_blob = hb_face_reference_table (face_expected, HB_TAG ('G','S','U','B'));
fprintf(stderr, "expected %d bytes, actual %d bytes\n", hb_blob_get_length(expected_blob), hb_blob_get_length (result));
if (hb_blob_get_length (expected_blob) != 0 ||
hb_blob_get_length (result) != 0)
hb_test_assert_blobs_equal (expected_blob, result);
hb_face_destroy (face_expected);
hb_blob_destroy (expected_blob);
hb_blob_destroy (result);
for (unsigned i = 0 ; i < 15; i++)
{
if (hb_objs[i].real_links != NULL)
free (hb_objs[i].real_links);
}
free (hb_objs);
}
int
main (int argc, char **argv)
{
hb_test_init (&argc, &argv);
hb_test_add (test_hb_repack_with_cy_struct);
return hb_test_run();
}
#else
int main (int argc HB_UNUSED, char **argv HB_UNUSED)
{
return 0;
}
#endif