--- /dev/null
+/*
+ * 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-blob.h */
+
+#if defined(HAVE_SYS_MMAN_H) && defined(HAVE_MPROTECT)
+
+# define TEST_MMAP 1
+
+#ifdef HAVE_SYS_MMAN_H
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#include <sys/mman.h>
+#endif /* HAVE_SYS_MMAN_H */
+
+#endif
+
+
+static void
+test_blob_empty (void)
+{
+ hb_blob_t *blob;
+ unsigned int len;
+ const char *data;
+ char *data_writable;
+
+ g_assert (hb_blob_is_immutable (hb_blob_get_empty ()));
+ g_assert (hb_blob_get_empty () != NULL);
+
+ blob = hb_blob_get_empty ();
+ g_assert (blob == hb_blob_get_empty ());
+
+ len = hb_blob_get_length (blob);
+ g_assert_cmpint (len, ==, 0);
+
+ data = hb_blob_get_data (blob, NULL);
+ g_assert (data == NULL);
+
+ data = hb_blob_get_data (blob, &len);
+ g_assert (data == NULL);
+ g_assert_cmpint (len, ==, 0);
+
+ data_writable = hb_blob_get_data_writable (blob, NULL);
+ g_assert (data == NULL);
+
+ data_writable = hb_blob_get_data_writable (blob, &len);
+ g_assert (data_writable == NULL);
+ g_assert_cmpint (len, ==, 0);
+}
+
+static const char test_data[] = "test\0data";
+
+static const char *blob_names[] = {
+ "duplicate",
+ "readonly",
+ "writable"
+#ifdef TEST_MMAP
+ , "readonly-may-make-writable"
+#endif
+};
+
+typedef struct
+{
+ hb_blob_t *blob;
+ int freed;
+ char *data;
+ unsigned int len;
+} fixture_t;
+
+static void
+free_up (fixture_t *fixture)
+{
+ g_assert_cmpint (fixture->freed, ==, 0);
+ fixture->freed++;
+}
+
+static void
+free_up_free (fixture_t *fixture)
+{
+ free_up (fixture);
+ free (fixture->data);
+}
+
+
+static uintptr_t
+get_pagesize (void)
+{
+ uintptr_t pagesize = -1;
+
+#if defined(HAVE_SYSCONF) && defined(_SC_PAGE_SIZE)
+ pagesize = (uintptr_t) sysconf (_SC_PAGE_SIZE);
+#elif defined(HAVE_SYSCONF) && defined(_SC_PAGESIZE)
+ pagesize = (uintptr_t) sysconf (_SC_PAGESIZE);
+#elif defined(HAVE_GETPAGESIZE)
+ pagesize = (uintptr_t) getpagesize ();
+#endif
+
+ g_assert (pagesize != (uintptr_t) -1);
+
+ return pagesize;
+}
+
+static void
+free_up_munmap (fixture_t *fixture)
+{
+ free_up (fixture);
+ munmap (fixture->data, get_pagesize ());
+}
+
+#include <errno.h>
+static void
+fixture_init (fixture_t *fixture, gconstpointer user_data)
+{
+ hb_memory_mode_t mm = (hb_memory_mode_t) GPOINTER_TO_INT (user_data);
+ unsigned int len;
+ const char *data;
+ hb_destroy_func_t free_func;
+
+ switch (GPOINTER_TO_INT (user_data))
+ {
+ case HB_MEMORY_MODE_DUPLICATE:
+ data = test_data;
+ len = sizeof (test_data);
+ free_func = (hb_destroy_func_t) free_up;
+ break;
+
+ case HB_MEMORY_MODE_READONLY:
+ data = test_data;
+ len = sizeof (test_data);
+ free_func = (hb_destroy_func_t) free_up;
+ break;
+
+ case HB_MEMORY_MODE_WRITABLE:
+ data = strndup (test_data, sizeof (test_data));
+ len = sizeof (test_data);
+ free_func = (hb_destroy_func_t) free_up_free;
+ break;
+
+#if TEST_MMAP
+ case HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE:
+ {
+ uintptr_t pagesize = get_pagesize ();
+
+ data = mmap (NULL, pagesize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ g_assert (data != (char *) -1);
+ memcpy ((char *) data, test_data, sizeof (test_data));
+ mprotect ((char *) data, pagesize, PROT_READ);
+ len = sizeof (test_data);
+ free_func = (hb_destroy_func_t) free_up_munmap;
+ break;
+ }
+#endif
+
+ default:
+ g_assert_not_reached ();
+ }
+
+ fixture->freed = 0;
+ fixture->data = (char *) data;
+ fixture->len = len;
+ fixture->blob = hb_blob_create (data, len, mm, fixture, free_func);
+}
+
+static void
+fixture_finish (fixture_t *fixture, gconstpointer user_data)
+{
+ hb_blob_destroy (fixture->blob);
+ g_assert_cmpint (fixture->freed, ==, 1);
+}
+
+
+static void
+test_blob (fixture_t *fixture, gconstpointer user_data)
+{
+ hb_blob_t *b = fixture->blob;
+ hb_memory_mode_t mm = GPOINTER_TO_INT (user_data);
+ unsigned int len;
+ const char *data;
+ char *data_writable;
+ unsigned int i;
+
+ g_assert (b);
+
+ len = hb_blob_get_length (b);
+ g_assert_cmpint (len, ==, fixture->len);
+
+ data = hb_blob_get_data (b, &len);
+ g_assert_cmpint (len, ==, fixture->len);
+ if (mm == HB_MEMORY_MODE_DUPLICATE) {
+ g_assert (data != fixture->data);
+ g_assert_cmpint (fixture->freed, ==, 1);
+ mm = HB_MEMORY_MODE_WRITABLE;
+ } else {
+ g_assert (data == fixture->data);
+ g_assert_cmpint (fixture->freed, ==, 0);
+ }
+
+ data_writable = hb_blob_get_data_writable (b, &len);
+ g_assert_cmpint (len, ==, fixture->len);
+ g_assert (data_writable);
+ g_assert (0 == memcmp (data_writable, fixture->data, fixture->len));
+ if (mm == HB_MEMORY_MODE_READONLY) {
+ g_assert (data_writable != data);
+ g_assert_cmpint (fixture->freed, ==, 1);
+ } else {
+ g_assert (data_writable == data);
+ }
+
+ data = hb_blob_get_data (b, &len);
+ g_assert_cmpint (len, ==, fixture->len);
+ g_assert (data == data_writable);
+
+ memset (data_writable, 0, fixture->len);
+
+ /* Now, make it immutable and watch get_data_writable() fail */
+
+ g_assert (!hb_blob_is_immutable (b));
+ hb_blob_make_immutable (b);
+ g_assert (hb_blob_is_immutable (b));
+
+ data_writable = hb_blob_get_data_writable (b, &len);
+ g_assert (!data_writable);
+ g_assert_cmpint (len, ==, 0);
+
+ data = hb_blob_get_data (b, &len);
+ g_assert_cmpint (len, ==, fixture->len);
+ for (i = 0; i < len; i++)
+ g_assert ('\0' == data[i]);
+}
+
+
+int
+main (int argc, char **argv)
+{
+ unsigned int i;
+
+ hb_test_init (&argc, &argv);
+
+ hb_test_add (test_blob_empty);
+
+ for (i = 0; i < G_N_ELEMENTS (blob_names); i++)
+ {
+ const void *blob_type = GINT_TO_POINTER (i);
+ const char *blob_name = blob_names[i];
+
+ hb_test_add_fixture_flavor (fixture, blob_type, blob_name, test_blob);
+ }
+
+ /*
+ * create_sub_blob
+ */
+
+ return hb_test_run ();
+}
typedef struct
{
- hb_buffer_t *b;
+ hb_buffer_t *buffer;
} fixture_t;
static void
fixture_init (fixture_t *fixture, gconstpointer user_data)
{
+ hb_buffer_t *b;
unsigned int i;
- fixture->b = hb_buffer_create (0);
+ b = fixture->buffer = hb_buffer_create (0);
- switch (GPOINTER_TO_INT (user_data)) {
+ switch (GPOINTER_TO_INT (user_data))
+ {
case BUFFER_EMPTY:
break;
case BUFFER_ONE_BY_ONE:
for (i = 1; i < G_N_ELEMENTS (utf32) - 1; i++)
- hb_buffer_add (fixture->b, utf32[i], 1, i);
+ hb_buffer_add (b, utf32[i], 1, i);
break;
case BUFFER_UTF32:
- hb_buffer_add_utf32 (fixture->b, utf32, G_N_ELEMENTS (utf32), 1, G_N_ELEMENTS (utf32) - 2);
+ hb_buffer_add_utf32 (b, utf32, G_N_ELEMENTS (utf32), 1, G_N_ELEMENTS (utf32) - 2);
break;
case BUFFER_UTF16:
- hb_buffer_add_utf16 (fixture->b, utf16, G_N_ELEMENTS (utf16), 1, G_N_ELEMENTS (utf16) - 2);
+ hb_buffer_add_utf16 (b, utf16, G_N_ELEMENTS (utf16), 1, G_N_ELEMENTS (utf16) - 2);
break;
case BUFFER_UTF8:
- hb_buffer_add_utf8 (fixture->b, utf8, G_N_ELEMENTS (utf8), 1, G_N_ELEMENTS (utf8) - 2);
+ hb_buffer_add_utf8 (b, utf8, G_N_ELEMENTS (utf8), 1, G_N_ELEMENTS (utf8) - 2);
break;
default:
static void
fixture_finish (fixture_t *fixture, gconstpointer user_data)
{
- hb_buffer_destroy (fixture->b);
+ hb_buffer_destroy (fixture->buffer);
}
static void
test_buffer_properties (fixture_t *fixture, gconstpointer user_data)
{
+ hb_buffer_t *b = fixture->buffer;
hb_unicode_funcs_t *ufuncs;
/* test default properties */
- g_assert (hb_buffer_get_unicode_funcs (fixture->b) == hb_unicode_funcs_get_default ());
- g_assert (hb_buffer_get_direction (fixture->b) == HB_DIRECTION_INVALID);
- g_assert (hb_buffer_get_script (fixture->b) == HB_SCRIPT_INVALID);
- g_assert (hb_buffer_get_language (fixture->b) == NULL);
+ g_assert (hb_buffer_get_unicode_funcs (b) == hb_unicode_funcs_get_default ());
+ g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID);
+ g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID);
+ g_assert (hb_buffer_get_language (b) == NULL);
/* test property changes are retained */
ufuncs = hb_unicode_funcs_create (NULL);
- hb_buffer_set_unicode_funcs (fixture->b, ufuncs);
+ hb_buffer_set_unicode_funcs (b, ufuncs);
hb_unicode_funcs_destroy (ufuncs);
- g_assert (hb_buffer_get_unicode_funcs (fixture->b) == ufuncs);
+ g_assert (hb_buffer_get_unicode_funcs (b) == ufuncs);
- hb_buffer_set_direction (fixture->b, HB_DIRECTION_RTL);
- g_assert (hb_buffer_get_direction (fixture->b) == HB_DIRECTION_RTL);
+ hb_buffer_set_direction (b, HB_DIRECTION_RTL);
+ g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_RTL);
- hb_buffer_set_script (fixture->b, HB_SCRIPT_ARABIC);
- g_assert (hb_buffer_get_script (fixture->b) == HB_SCRIPT_ARABIC);
+ hb_buffer_set_script (b, HB_SCRIPT_ARABIC);
+ g_assert (hb_buffer_get_script (b) == HB_SCRIPT_ARABIC);
- hb_buffer_set_language (fixture->b, hb_language_from_string ("fa"));
- g_assert (hb_buffer_get_language (fixture->b) == hb_language_from_string ("Fa"));
+ hb_buffer_set_language (b, hb_language_from_string ("fa"));
+ g_assert (hb_buffer_get_language (b) == hb_language_from_string ("Fa"));
/* test reset clears properties */
- hb_buffer_reset (fixture->b);
+ hb_buffer_reset (b);
- g_assert (hb_buffer_get_unicode_funcs (fixture->b) == hb_unicode_funcs_get_default ());
- g_assert (hb_buffer_get_direction (fixture->b) == HB_DIRECTION_INVALID);
- g_assert (hb_buffer_get_script (fixture->b) == HB_SCRIPT_INVALID);
- g_assert (hb_buffer_get_language (fixture->b) == NULL);
+ g_assert (hb_buffer_get_unicode_funcs (b) == hb_unicode_funcs_get_default ());
+ g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID);
+ g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID);
+ g_assert (hb_buffer_get_language (b) == NULL);
}
static void
test_buffer_contents (fixture_t *fixture, gconstpointer user_data)
{
+ hb_buffer_t *b = fixture->buffer;
unsigned int i, len, len2;
buffer_type_t buffer_type = GPOINTER_TO_INT (user_data);
hb_glyph_info_t *glyphs;
if (buffer_type == BUFFER_EMPTY) {
- g_assert_cmpint (hb_buffer_get_length (fixture->b), ==, 0);
+ g_assert_cmpint (hb_buffer_get_length (b), ==, 0);
return;
}
- len = hb_buffer_get_length (fixture->b);
- glyphs = hb_buffer_get_glyph_infos (fixture->b, NULL); /* test NULL */
- glyphs = hb_buffer_get_glyph_infos (fixture->b, &len2);
+ len = hb_buffer_get_length (b);
+ glyphs = hb_buffer_get_glyph_infos (b, NULL); /* test NULL */
+ glyphs = hb_buffer_get_glyph_infos (b, &len2);
g_assert_cmpint (len, ==, len2);
g_assert_cmpint (len, ==, 5);
/* reverse, test, and reverse back */
- hb_buffer_reverse (fixture->b);
+ hb_buffer_reverse (b);
for (i = 0; i < len; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]);
- hb_buffer_reverse (fixture->b);
+ hb_buffer_reverse (b);
for (i = 0; i < len; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
/* reverse_clusters works same as reverse for now since each codepoint is
* in its own cluster */
- hb_buffer_reverse_clusters (fixture->b);
+ hb_buffer_reverse_clusters (b);
for (i = 0; i < len; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]);
- hb_buffer_reverse_clusters (fixture->b);
+ hb_buffer_reverse_clusters (b);
for (i = 0; i < len; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
/* reverse, test, and reverse back */
- hb_buffer_reverse (fixture->b);
+ hb_buffer_reverse (b);
for (i = 0; i < len; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]);
- hb_buffer_reverse (fixture->b);
+ hb_buffer_reverse (b);
for (i = 0; i < len; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
/* reverse_clusters twice still should return the original string,
* but when applied once, the 1-2 cluster should be retained. */
- hb_buffer_reverse_clusters (fixture->b);
+ hb_buffer_reverse_clusters (b);
for (i = 0; i < len; i++) {
unsigned int j = len-1-i;
if (j == 1)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+j]);
}
- hb_buffer_reverse_clusters (fixture->b);
+ hb_buffer_reverse_clusters (b);
for (i = 0; i < len; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
/* test setting length */
/* enlarge */
- g_assert (hb_buffer_set_length (fixture->b, 10));
- glyphs = hb_buffer_get_glyph_infos (fixture->b, NULL);
- g_assert_cmpint (hb_buffer_get_length (fixture->b), ==, 10);
+ g_assert (hb_buffer_set_length (b, 10));
+ glyphs = hb_buffer_get_glyph_infos (b, NULL);
+ g_assert_cmpint (hb_buffer_get_length (b), ==, 10);
for (i = 0; i < 5; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
for (i = 5; i < 10; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, 0);
/* shrink */
- g_assert (hb_buffer_set_length (fixture->b, 3));
- glyphs = hb_buffer_get_glyph_infos (fixture->b, NULL);
- g_assert_cmpint (hb_buffer_get_length (fixture->b), ==, 3);
+ g_assert (hb_buffer_set_length (b, 3));
+ glyphs = hb_buffer_get_glyph_infos (b, NULL);
+ g_assert_cmpint (hb_buffer_get_length (b), ==, 3);
for (i = 0; i < 3; i++)
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
- g_assert (hb_buffer_allocation_successful (fixture->b));
+ g_assert (hb_buffer_allocation_successful (b));
/* test reset clears content */
- hb_buffer_reset (fixture->b);
- g_assert_cmpint (hb_buffer_get_length (fixture->b), ==, 0);
+ hb_buffer_reset (b);
+ g_assert_cmpint (hb_buffer_get_length (b), ==, 0);
}
static void
test_buffer_positions (fixture_t *fixture, gconstpointer user_data)
{
+ hb_buffer_t *b = fixture->buffer;
unsigned int i, len, len2;
hb_glyph_position_t *positions;
/* Without shaping, positions should all be zero */
- len = hb_buffer_get_length (fixture->b);
- positions = hb_buffer_get_glyph_positions (fixture->b, NULL); /* test NULL */
- positions = hb_buffer_get_glyph_positions (fixture->b, &len2);
+ len = hb_buffer_get_length (b);
+ positions = hb_buffer_get_glyph_positions (b, NULL); /* test NULL */
+ positions = hb_buffer_get_glyph_positions (b, &len2);
g_assert_cmpint (len, ==, len2);
for (i = 0; i < len; i++) {
g_assert_cmpint (0, ==, positions[i].x_advance);
}
/* test reset clears content */
- hb_buffer_reset (fixture->b);
- g_assert_cmpint (hb_buffer_get_length (fixture->b), ==, 0);
+ hb_buffer_reset (b);
+ g_assert_cmpint (hb_buffer_get_length (b), ==, 0);
}
static void
test_buffer_allocation (fixture_t *fixture, gconstpointer user_data)
{
- g_assert_cmpint (hb_buffer_get_length (fixture->b), ==, 0);
+ hb_buffer_t *b = fixture->buffer;
+
+ g_assert_cmpint (hb_buffer_get_length (b), ==, 0);
- g_assert (hb_buffer_pre_allocate (fixture->b, 100));
- g_assert_cmpint (hb_buffer_get_length (fixture->b), ==, 0);
- g_assert (hb_buffer_allocation_successful (fixture->b));
+ g_assert (hb_buffer_pre_allocate (b, 100));
+ g_assert_cmpint (hb_buffer_get_length (b), ==, 0);
+ g_assert (hb_buffer_allocation_successful (b));
/* lets try a huge allocation, make sure it fails */
- g_assert (!hb_buffer_pre_allocate (fixture->b, (unsigned int) -1));
- g_assert_cmpint (hb_buffer_get_length (fixture->b), ==, 0);
- g_assert (!hb_buffer_allocation_successful (fixture->b));
+ g_assert (!hb_buffer_pre_allocate (b, (unsigned int) -1));
+ g_assert_cmpint (hb_buffer_get_length (b), ==, 0);
+ g_assert (!hb_buffer_allocation_successful (b));
/* small one again */
- g_assert (hb_buffer_pre_allocate (fixture->b, 50));
- g_assert_cmpint (hb_buffer_get_length (fixture->b), ==, 0);
- g_assert (!hb_buffer_allocation_successful (fixture->b));
+ g_assert (hb_buffer_pre_allocate (b, 50));
+ g_assert_cmpint (hb_buffer_get_length (b), ==, 0);
+ g_assert (!hb_buffer_allocation_successful (b));
- hb_buffer_reset (fixture->b);
- g_assert (hb_buffer_allocation_successful (fixture->b));
+ hb_buffer_reset (b);
+ g_assert (hb_buffer_allocation_successful (b));
/* all allocation and size */
- g_assert (!hb_buffer_pre_allocate (fixture->b, ((unsigned int) -1) / 20 + 1));
- g_assert (!hb_buffer_allocation_successful (fixture->b));
+ g_assert (!hb_buffer_pre_allocate (b, ((unsigned int) -1) / 20 + 1));
+ g_assert (!hb_buffer_allocation_successful (b));
- hb_buffer_reset (fixture->b);
- g_assert (hb_buffer_allocation_successful (fixture->b));
+ hb_buffer_reset (b);
+ g_assert (hb_buffer_allocation_successful (b));
/* technically, this one can actually pass on 64bit machines, but
* I'm doubtful that any malloc allows 4GB allocations at a time.
* But let's only enable it on a 32-bit machine. */
if (sizeof (long) == 4) {
- g_assert (!hb_buffer_pre_allocate (fixture->b, ((unsigned int) -1) / 20 - 1));
- g_assert (!hb_buffer_allocation_successful (fixture->b));
+ g_assert (!hb_buffer_pre_allocate (b, ((unsigned int) -1) / 20 - 1));
+ g_assert (!hb_buffer_allocation_successful (b));
}
- hb_buffer_reset (fixture->b);
- g_assert (hb_buffer_allocation_successful (fixture->b));
+ hb_buffer_reset (b);
+ g_assert (hb_buffer_allocation_successful (b));
}
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