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/*
* Copyright © 2018 Ebrahim Byagowi
*
* 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 <pthread.h>
#include <hb.h>
#include "hb-test.h"
static const char *font_path = "fonts/Inconsolata-Regular.abc.ttf";
static const char *text = "abc";
static int num_threads = 30;
static int num_iters = 200;
static hb_font_t *font;
static hb_buffer_t *ref_buffer;
static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
static void
fill_the_buffer (hb_buffer_t *buffer)
{
hb_buffer_add_utf8 (buffer, text, -1, 0, -1);
hb_buffer_guess_segment_properties (buffer);
hb_shape (font, buffer, NULL, 0);
}
static void
validity_check (hb_buffer_t *buffer) {
if (hb_buffer_diff (ref_buffer, buffer, (hb_codepoint_t) -1, 0))
{
fprintf (stderr, "One of the buffers was different from the reference.\n");
char out[255];
hb_buffer_serialize_glyphs (buffer, 0, hb_buffer_get_length (ref_buffer),
out, sizeof (out), NULL,
font, HB_BUFFER_SERIALIZE_FORMAT_TEXT,
HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES);
fprintf (stderr, "Actual: %s\n", out);
hb_buffer_serialize_glyphs (ref_buffer, 0, hb_buffer_get_length (ref_buffer),
out, sizeof (out), NULL,
font, HB_BUFFER_SERIALIZE_FORMAT_TEXT,
HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES);
fprintf (stderr, "Expected: %s\n", out);
exit (1);
}
}
static void *
thread_func (void *data)
{
hb_buffer_t *buffer = (hb_buffer_t *) data;
pthread_mutex_lock (&mutex);
pthread_mutex_unlock (&mutex);
int i;
for (i = 0; i < num_iters; i++)
{
hb_buffer_clear_contents (buffer);
fill_the_buffer (buffer);
validity_check (buffer);
}
return 0;
}
static void
test_body (gconstpointer data)
{
const char *backend = (const char *) data;
bool ret = hb_font_set_funcs_using (font, backend);
g_assert_true (ret);
int i;
pthread_t *threads = calloc (num_threads, sizeof (pthread_t));
hb_buffer_t **buffers = calloc (num_threads, sizeof (hb_buffer_t *));
pthread_mutex_lock (&mutex);
for (i = 0; i < num_threads; i++)
{
hb_buffer_t *buffer = hb_buffer_create ();
buffers[i] = buffer;
pthread_create (&threads[i], NULL, thread_func, buffer);
}
/* Let them loose! */
pthread_mutex_unlock (&mutex);
for (i = 0; i < num_threads; i++)
{
pthread_join (threads[i], NULL);
hb_buffer_destroy (buffers[i]);
}
free (buffers);
free (threads);
}
int
main (int argc, char **argv)
{
hb_test_init (&argc, &argv);
char *path = argc > 1 && *argv[1] ? argv[1] : (char *) font_path;
if (argc > 2)
num_threads = atoi (argv[2]);
if (argc > 3)
num_iters = atoi (argv[3]);
if (argc > 4)
text = argv[4];
/* Dummy call to alleviate _guess_segment_properties thread safety-ness
* https://github.com/harfbuzz/harfbuzz/issues/1191 */
hb_language_get_default ();
hb_face_t *face = hb_test_open_font_file (path);
font = hb_font_create (face);
/* Fill the reference */
ref_buffer = hb_buffer_create ();
fill_the_buffer (ref_buffer);
for (const char **font_funcs = hb_font_list_funcs (); *font_funcs; font_funcs++)
hb_test_add_data_flavor (*font_funcs, *font_funcs, test_body);
int ret = hb_test_run ();
hb_buffer_destroy (ref_buffer);
hb_font_destroy (font);
hb_face_destroy (face);
return ret;
}
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