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update harfbuzz to 10.1.0
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Sasha Szpakowski
@@ -0,0 +1,349 @@
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/*
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* Copyright © 2011 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Behdad Esfahbod
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*/
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#include "hb-test.h"
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/* Unit tests for hb-blob.h */
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#if defined(HAVE_SYS_MMAN_H) && defined(HAVE_MPROTECT) && defined(HAVE_MMAP)
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# define TEST_MMAP 1
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#ifdef HAVE_SYS_MMAN_H
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif /* HAVE_UNISTD_H */
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#include <sys/mman.h>
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#endif /* HAVE_SYS_MMAN_H */
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#endif
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static void
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test_blob_empty (void)
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{
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hb_blob_t *blob;
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unsigned int len;
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const char *data;
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char *data_writable;
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g_assert (hb_blob_is_immutable (hb_blob_get_empty ()));
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g_assert (hb_blob_get_empty () != NULL);
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g_assert (hb_blob_get_empty () == hb_blob_create (NULL, 0, HB_MEMORY_MODE_READONLY, NULL, NULL));
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g_assert (hb_blob_get_empty () == hb_blob_create ("asdf", 0, HB_MEMORY_MODE_READONLY, NULL, NULL));
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g_assert (hb_blob_get_empty () == hb_blob_create (NULL, -1, HB_MEMORY_MODE_READONLY, NULL, NULL));
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g_assert (hb_blob_get_empty () == hb_blob_create ("asdfg", -1, HB_MEMORY_MODE_READONLY, NULL, NULL));
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blob = hb_blob_get_empty ();
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g_assert (blob == hb_blob_get_empty ());
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len = hb_blob_get_length (blob);
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g_assert_cmpint (len, ==, 0);
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data = hb_blob_get_data (blob, NULL);
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g_assert (data == NULL);
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data = hb_blob_get_data (blob, &len);
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g_assert (data == NULL);
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g_assert_cmpint (len, ==, 0);
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data_writable = hb_blob_get_data_writable (blob, NULL);
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g_assert (data_writable == NULL);
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data_writable = hb_blob_get_data_writable (blob, &len);
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g_assert (data_writable == NULL);
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g_assert_cmpint (len, ==, 0);
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}
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static const char test_data[] = "test\0data";
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static const char *blob_names[] = {
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"duplicate",
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"readonly",
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"writable"
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#ifdef TEST_MMAP
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, "readonly-may-make-writable"
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#endif
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};
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typedef struct
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{
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hb_blob_t *blob;
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int freed;
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char *data;
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unsigned int len;
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} fixture_t;
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static void
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free_up (fixture_t *fixture)
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{
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g_assert_cmpint (fixture->freed, ==, 0);
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fixture->freed++;
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}
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static void
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free_up_free (fixture_t *fixture)
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{
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free_up (fixture);
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free (fixture->data);
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}
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#ifdef TEST_MMAP
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static uintptr_t
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get_pagesize (void)
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{
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uintptr_t pagesize = (uintptr_t) -1;
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#if defined(HAVE_SYSCONF) && defined(_SC_PAGE_SIZE)
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pagesize = (uintptr_t) sysconf (_SC_PAGE_SIZE);
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#elif defined(HAVE_SYSCONF) && defined(_SC_PAGESIZE)
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pagesize = (uintptr_t) sysconf (_SC_PAGESIZE);
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#elif defined(HAVE_GETPAGESIZE)
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pagesize = (uintptr_t) getpagesize ();
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#endif
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g_assert (pagesize != (uintptr_t) -1);
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return pagesize;
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}
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static void
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free_up_munmap (fixture_t *fixture)
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{
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free_up (fixture);
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munmap (fixture->data, get_pagesize ());
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}
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#endif
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#include <errno.h>
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static void
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fixture_init (fixture_t *fixture, gconstpointer user_data)
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{
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hb_memory_mode_t mm = (hb_memory_mode_t) GPOINTER_TO_INT (user_data);
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unsigned int len;
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const char *data;
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hb_destroy_func_t free_func;
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switch (GPOINTER_TO_INT (user_data))
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{
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case HB_MEMORY_MODE_DUPLICATE:
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data = test_data;
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len = sizeof (test_data);
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free_func = (hb_destroy_func_t) free_up;
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break;
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case HB_MEMORY_MODE_READONLY:
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data = test_data;
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len = sizeof (test_data);
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free_func = (hb_destroy_func_t) free_up;
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break;
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case HB_MEMORY_MODE_WRITABLE:
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data = malloc (sizeof (test_data));
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memcpy ((char *) data, test_data, sizeof (test_data));
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len = sizeof (test_data);
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free_func = (hb_destroy_func_t) free_up_free;
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break;
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#ifdef TEST_MMAP
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case HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE:
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{
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uintptr_t pagesize = get_pagesize ();
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data = mmap (NULL, pagesize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
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g_assert (data != (char *) -1);
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memcpy ((char *) data, test_data, sizeof (test_data));
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mprotect ((char *) data, pagesize, PROT_READ);
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len = sizeof (test_data);
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free_func = (hb_destroy_func_t) free_up_munmap;
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break;
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}
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#endif
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default:
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g_assert_not_reached ();
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}
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fixture->freed = 0;
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fixture->data = (char *) data;
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fixture->len = len;
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fixture->blob = hb_blob_create (data, len, mm, fixture, free_func);
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}
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static void
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fixture_finish (fixture_t *fixture, gconstpointer user_data HB_UNUSED)
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{
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hb_blob_destroy (fixture->blob);
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g_assert_cmpint (fixture->freed, ==, 1);
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}
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static void
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test_blob (fixture_t *fixture, gconstpointer user_data)
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{
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hb_blob_t *b = fixture->blob;
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hb_memory_mode_t mm = GPOINTER_TO_INT (user_data);
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unsigned int len;
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const char *data;
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char *data_writable;
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unsigned int i;
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g_assert (b);
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len = hb_blob_get_length (b);
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g_assert_cmpint (len, ==, fixture->len);
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data = hb_blob_get_data (b, &len);
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g_assert_cmpint (len, ==, fixture->len);
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if (mm == HB_MEMORY_MODE_DUPLICATE) {
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g_assert (data != fixture->data);
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g_assert_cmpint (fixture->freed, ==, 1);
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mm = HB_MEMORY_MODE_WRITABLE;
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} else {
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g_assert (data == fixture->data);
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g_assert_cmpint (fixture->freed, ==, 0);
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}
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data_writable = hb_blob_get_data_writable (b, &len);
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g_assert_cmpint (len, ==, fixture->len);
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g_assert (data_writable);
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g_assert (0 == memcmp (data_writable, fixture->data, fixture->len));
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if (mm == HB_MEMORY_MODE_READONLY) {
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g_assert (data_writable != data);
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g_assert_cmpint (fixture->freed, ==, 1);
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} else {
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g_assert (data_writable == data);
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}
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data = hb_blob_get_data (b, &len);
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g_assert_cmpint (len, ==, fixture->len);
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g_assert (data == data_writable);
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memset (data_writable, 0, fixture->len);
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/* Now, make it immutable and watch get_data_writable() fail */
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g_assert (!hb_blob_is_immutable (b));
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hb_blob_make_immutable (b);
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g_assert (hb_blob_is_immutable (b));
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data_writable = hb_blob_get_data_writable (b, &len);
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g_assert (!data_writable);
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g_assert_cmpint (len, ==, 0);
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data = hb_blob_get_data (b, &len);
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g_assert_cmpint (len, ==, fixture->len);
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for (i = 0; i < len; i++)
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g_assert ('\0' == data[i]);
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}
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static void
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test_blob_subblob (fixture_t *fixture, gconstpointer user_data)
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{
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hb_blob_t *b = fixture->blob;
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hb_memory_mode_t mm = GPOINTER_TO_INT (user_data);
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unsigned int len;
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const char *data;
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char *data_writable;
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unsigned int i;
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if (mm == HB_MEMORY_MODE_DUPLICATE) {
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g_assert_cmpint (fixture->freed, ==, 1);
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fixture->data = (char *) hb_blob_get_data (b, NULL);
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} else {
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g_assert_cmpint (fixture->freed, ==, 0);
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}
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fixture->blob = hb_blob_create_sub_blob (b, 1, fixture->len - 2);
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hb_blob_destroy (b);
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b = fixture->blob;
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/* A sub-blob is always created READONLY. */
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g_assert (b);
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len = hb_blob_get_length (b);
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g_assert_cmpint (len, ==, fixture->len - 2);
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data = hb_blob_get_data (b, &len);
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g_assert_cmpint (len, ==, fixture->len - 2);
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g_assert (data == fixture->data + 1);
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data_writable = hb_blob_get_data_writable (b, &len);
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g_assert_cmpint (len, ==, fixture->len - 2);
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g_assert (data_writable);
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if (mm == HB_MEMORY_MODE_READONLY)
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g_assert (0 == memcmp (data_writable, fixture->data + 1, fixture->len - 2));
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g_assert (data_writable != data);
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g_assert_cmpint (fixture->freed, ==, 1);
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data = hb_blob_get_data (b, &len);
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g_assert_cmpint (len, ==, fixture->len - 2);
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g_assert (data == data_writable);
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memset (data_writable, 0, fixture->len - 2);
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/* Now, make it immutable and watch get_data_writable() fail */
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g_assert (!hb_blob_is_immutable (b));
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hb_blob_make_immutable (b);
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g_assert (hb_blob_is_immutable (b));
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data_writable = hb_blob_get_data_writable (b, &len);
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g_assert (!data_writable);
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g_assert_cmpint (len, ==, 0);
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data = hb_blob_get_data (b, &len);
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g_assert_cmpint (len, ==, fixture->len - 2);
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for (i = 0; i < len; i++)
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g_assert ('\0' == data[i]);
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}
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int
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main (int argc, char **argv)
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{
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unsigned int i;
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hb_test_init (&argc, &argv);
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hb_test_add (test_blob_empty);
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for (i = 0; i < G_N_ELEMENTS (blob_names); i++)
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{
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const void *blob_type = GINT_TO_POINTER (i);
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const char *blob_name = blob_names[i];
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hb_test_add_fixture_flavor (fixture, blob_type, blob_name, test_blob);
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hb_test_add_fixture_flavor (fixture, blob_type, blob_name, test_blob_subblob);
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}
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/*
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* create_sub_blob
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*/
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return hb_test_run ();
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}
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