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harfbuzz/test/test-object.c

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/*
* Copyright © 2011 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): Behdad Esfahbod
*/
#include "hb-test.h"
/* Unit tests for hb-object-private.h */
#ifdef HAVE_FREETYPE
#include <hb-ft.h>
#endif
static void *
create_blob (void)
{
static char data[] = "test data";
return hb_blob_create (data, sizeof (data), HB_MEMORY_MODE_READONLY, NULL, NULL);
}
static void *
create_blob_inert (void)
{
return hb_blob_get_empty ();
}
static void *
create_buffer (void)
{
return hb_buffer_create (0);
}
static void *
create_buffer_inert (void)
{
return hb_buffer_create (-1);
}
static void *
create_face (void)
{
hb_blob_t *blob = (hb_blob_t *) create_blob ();
hb_face_t *face = hb_face_create_for_data (blob, 0);
hb_blob_destroy (blob);
return face;
}
static void *
create_face_inert (void)
{
return hb_face_create_for_data ((hb_blob_t *) create_blob_inert (), 0);
}
static void *
create_font (void)
{
return hb_font_create ();
}
static void *
create_font_inert (void)
{
return NULL;
}
static void *
create_font_funcs (void)
{
return hb_font_funcs_create ();
}
static void *
create_font_funcs_inert (void)
{
#ifdef HAVE_FREETYPE
return hb_ft_get_font_funcs ();
#else
return NULL;
#endif
}
static void *
create_unicode_funcs (void)
{
return hb_unicode_funcs_create (NULL);
}
static void *
create_unicode_funcs_inert (void)
{
return hb_unicode_funcs_get_default ();
}
typedef void *(*create_func_t) (void);
typedef void *(*reference_func_t) (void *obj);
typedef void (*destroy_func_t) (void *obj);
typedef hb_bool_t (*set_user_data_func_t) (void *obj, hb_user_data_key_t *key, void *data, hb_destroy_func_t destroy);
typedef void * (*get_user_data_func_t) (void *obj, hb_user_data_key_t *key);
typedef void (*make_immutable_func_t) (void *obj);
typedef hb_bool_t (*is_immutable_func_t) (void *obj);
typedef struct {
create_func_t create;
create_func_t create_inert;
reference_func_t reference;
destroy_func_t destroy;
set_user_data_func_t set_user_data;
get_user_data_func_t get_user_data;
make_immutable_func_t make_immutable;
is_immutable_func_t is_immutable;
const char *name;
} object_t;
#define OBJECT_WITHOUT_IMMUTABILITY(name) \
{ \
(create_func_t) create_##name, \
(create_func_t) create_##name##_inert, \
(reference_func_t) hb_##name##_reference, \
(destroy_func_t) hb_##name##_destroy, \
(set_user_data_func_t) hb_##name##_set_user_data, \
(get_user_data_func_t) hb_##name##_get_user_data, \
(make_immutable_func_t) NULL, \
(is_immutable_func_t) NULL, \
#name, \
}
#define OBJECT_WITH_IMMUTABILITY(name) \
{ \
(create_func_t) create_##name, \
(create_func_t) create_##name##_inert, \
(reference_func_t) hb_##name##_reference, \
(destroy_func_t) hb_##name##_destroy, \
(set_user_data_func_t) hb_##name##_set_user_data, \
(get_user_data_func_t) hb_##name##_get_user_data, \
(make_immutable_func_t) hb_##name##_make_immutable, \
(is_immutable_func_t) hb_##name##_is_immutable, \
#name, \
}
static const object_t objects[] =
{
OBJECT_WITHOUT_IMMUTABILITY (blob),
OBJECT_WITHOUT_IMMUTABILITY (buffer),
OBJECT_WITHOUT_IMMUTABILITY (face),
OBJECT_WITHOUT_IMMUTABILITY (font),
OBJECT_WITH_IMMUTABILITY (font_funcs),
OBJECT_WITH_IMMUTABILITY (unicode_funcs)
};
#undef OBJECT
#define MAGIC0 0x12345678
#define MAGIC1 0x76543210
typedef struct {
int value;
gboolean freed;
} data_t;
static int global_data;
static void global_free_up (void *p G_GNUC_UNUSED)
{
global_data++;
}
static void free_up0 (void *p)
{
data_t *data = (data_t *) p;
g_assert_cmphex (data->value, ==, MAGIC0);
g_assert (!data->freed);
data->freed = TRUE;
}
static void free_up1 (void *p)
{
data_t *data = (data_t *) p;
g_assert_cmphex (data->value, ==, MAGIC1);
g_assert (!data->freed);
data->freed = TRUE;
}
static void
test_object (void)
{
unsigned int i;
for (i = 0; i < G_N_ELEMENTS (objects); i++) {
const object_t *o = &objects[i];
void *obj;
hb_user_data_key_t key[2];
{
unsigned int i;
data_t data[2] = {{MAGIC0, FALSE}, {MAGIC1, FALSE}};
g_test_message ("Testing object %s", o->name);
g_test_message ("->create()");
obj = o->create ();
g_assert (obj);
g_assert (obj == o->reference (obj));
o->destroy (obj);
if (o->is_immutable)
g_assert (!o->is_immutable (obj));
g_assert (o->set_user_data (obj, &key[0], &data[0], free_up0));
g_assert (o->get_user_data (obj, &key[0]) == &data[0]);
if (o->is_immutable) {
o->make_immutable (obj);
g_assert (o->is_immutable (obj));
}
/* Should still work even if object is made immutable */
g_assert (o->set_user_data (obj, &key[1], &data[1], free_up1));
g_assert (o->get_user_data (obj, &key[1]) == &data[1]);
g_assert (!o->set_user_data (obj, NULL, &data[0], free_up0));
g_assert (o->get_user_data (obj, &key[0]) == &data[0]);
g_assert (o->set_user_data (obj, &key[0], &data[1], NULL));
g_assert (data[0].freed);
g_assert (o->get_user_data (obj, &key[0]) == &data[1]);
g_assert (!data[1].freed);
data[0].freed = FALSE;
g_assert (o->set_user_data (obj, &key[0], &data[0], free_up0));
g_assert (!data[0].freed);
g_assert (o->set_user_data (obj, &key[0], NULL, NULL));
g_assert (data[0].freed);
data[0].freed = FALSE;
global_data = 0;
g_assert (o->set_user_data (obj, &key[0], &data[0], free_up0));
g_assert_cmpuint (global_data, ==, 0);
g_assert (o->set_user_data (obj, &key[0], NULL, global_free_up));
g_assert_cmpuint (global_data, ==, 0);
g_assert (o->set_user_data (obj, &key[0], NULL, NULL));
g_assert_cmpuint (global_data, ==, 1);
global_data = 0;
for (i = 2; i < 1000; i++)
g_assert (o->set_user_data (obj, &key[i], &data[i], global_free_up));
for (i = 2; i < 1000; i++)
g_assert (o->get_user_data (obj, &key[i]) == &data[i]);
for (i = 100; i < 1000; i++)
g_assert (o->set_user_data (obj, &key[i], NULL, NULL));
g_assert_cmpuint (global_data, ==, 900);
g_assert (!data[1].freed);
o->destroy (obj);
g_assert (data[0].freed);
g_assert (data[1].freed);
g_assert_cmpuint (global_data, ==, 1000-2);
}
{
data_t data[2] = {{MAGIC0, FALSE}, {MAGIC1, FALSE}};
g_test_message ("->create_inert()");
obj = o->create_inert ();
if (!obj)
continue;
g_assert (obj == o->reference (obj));
o->destroy (obj);
if (o->is_immutable)
g_assert (o->is_immutable (obj));
g_assert (!o->set_user_data (obj, &key[0], &data[0], free_up0));
g_assert (!o->get_user_data (obj, &key[0]));
o->destroy (obj);
o->destroy (obj);
o->destroy (obj);
o->destroy (obj);
o->destroy (obj);
g_assert (!data[0].freed);
}
}
}
int
main (int argc, char **argv)
{
hb_test_init (&argc, &argv);
hb_test_add (test_object);
return hb_test_run ();
}
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