342 lines
10 KiB
C
342 lines
10 KiB
C
/*
|
|
* 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"
|
|
|
|
/* This file tests types defined in hb-buffer.h */
|
|
|
|
|
|
static const char utf8[10] = "ab\360\240\200\200defg";
|
|
static const uint16_t utf16[8] = {'a', 'b', 0xD840, 0xDC00, 'd', 'e', 'f', 'g'};
|
|
static const uint32_t utf32[7] = {'a', 'b', 0x20000, 'd', 'e', 'f', 'g'};
|
|
|
|
typedef enum {
|
|
BUFFER_EMPTY,
|
|
BUFFER_ONE_BY_ONE,
|
|
BUFFER_UTF32,
|
|
BUFFER_UTF16,
|
|
BUFFER_UTF8,
|
|
BUFFER_NUM_TYPES,
|
|
} buffer_type_t;
|
|
|
|
static const char *buffer_names[] = {
|
|
"empty",
|
|
"one-by-one",
|
|
"utf32",
|
|
"utf16",
|
|
"utf8"
|
|
};
|
|
|
|
typedef struct
|
|
{
|
|
hb_buffer_t *b;
|
|
} fixture_t;
|
|
|
|
static void
|
|
fixture_init (fixture_t *fixture, gconstpointer user_data)
|
|
{
|
|
unsigned int i;
|
|
|
|
fixture->b = hb_buffer_create (0);
|
|
|
|
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);
|
|
break;
|
|
|
|
case BUFFER_UTF32:
|
|
hb_buffer_add_utf32 (fixture->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);
|
|
break;
|
|
|
|
case BUFFER_UTF8:
|
|
hb_buffer_add_utf8 (fixture->b, utf8, G_N_ELEMENTS (utf8), 1, G_N_ELEMENTS (utf8) - 2);
|
|
break;
|
|
|
|
default:
|
|
g_assert_not_reached ();
|
|
}
|
|
}
|
|
|
|
static void
|
|
fixture_finish (fixture_t *fixture, gconstpointer user_data)
|
|
{
|
|
hb_buffer_destroy (fixture->b);
|
|
}
|
|
|
|
|
|
static void
|
|
test_buffer_properties (fixture_t *fixture, gconstpointer user_data)
|
|
{
|
|
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);
|
|
|
|
|
|
/* test property changes are retained */
|
|
ufuncs = hb_unicode_funcs_create (NULL);
|
|
hb_buffer_set_unicode_funcs (fixture->b, ufuncs);
|
|
hb_unicode_funcs_destroy (ufuncs);
|
|
g_assert (hb_buffer_get_unicode_funcs (fixture->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_script (fixture->b, HB_SCRIPT_ARABIC);
|
|
g_assert (hb_buffer_get_script (fixture->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"));
|
|
|
|
|
|
/* test reset clears properties */
|
|
|
|
hb_buffer_reset (fixture->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);
|
|
}
|
|
|
|
static void
|
|
test_buffer_contents (fixture_t *fixture, gconstpointer user_data)
|
|
{
|
|
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);
|
|
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);
|
|
g_assert_cmpint (len, ==, len2);
|
|
g_assert_cmpint (len, ==, 5);
|
|
|
|
for (i = 0; i < len; i++) {
|
|
g_assert_cmphex (glyphs[i].mask, ==, 1);
|
|
g_assert_cmphex (glyphs[i].var1.u32, ==, 0);
|
|
g_assert_cmphex (glyphs[i].var2.u32, ==, 0);
|
|
}
|
|
|
|
for (i = 0; i < len; i++) {
|
|
unsigned int cluster;
|
|
cluster = 1+i;
|
|
if (i >= 2) {
|
|
if (buffer_type == BUFFER_UTF16)
|
|
cluster++;
|
|
else if (buffer_type == BUFFER_UTF8)
|
|
cluster += 3;
|
|
}
|
|
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
|
|
g_assert_cmphex (glyphs[i].cluster, ==, cluster);
|
|
}
|
|
|
|
/* reverse, test, and reverse back */
|
|
|
|
hb_buffer_reverse (fixture->b);
|
|
for (i = 0; i < len; i++)
|
|
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]);
|
|
|
|
hb_buffer_reverse (fixture->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);
|
|
for (i = 0; i < len; i++)
|
|
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]);
|
|
|
|
hb_buffer_reverse_clusters (fixture->b);
|
|
for (i = 0; i < len; i++)
|
|
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
|
|
|
|
/* now form a cluster and test again */
|
|
glyphs[2].cluster = glyphs[1].cluster;
|
|
|
|
/* reverse, test, and reverse back */
|
|
|
|
hb_buffer_reverse (fixture->b);
|
|
for (i = 0; i < len; i++)
|
|
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]);
|
|
|
|
hb_buffer_reverse (fixture->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);
|
|
for (i = 0; i < len; i++) {
|
|
unsigned int j = len-1-i;
|
|
if (j == 1)
|
|
j = 2;
|
|
else if (j == 2)
|
|
j = 1;
|
|
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+j]);
|
|
}
|
|
|
|
hb_buffer_reverse_clusters (fixture->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);
|
|
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);
|
|
for (i = 0; i < 3; i++)
|
|
g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
|
|
|
|
|
|
g_assert (hb_buffer_allocation_successful (fixture->b));
|
|
|
|
|
|
/* test reset clears content */
|
|
|
|
hb_buffer_reset (fixture->b);
|
|
g_assert_cmpint (hb_buffer_get_length (fixture->b), ==, 0);
|
|
}
|
|
|
|
static void
|
|
test_buffer_positions (fixture_t *fixture, gconstpointer user_data)
|
|
{
|
|
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);
|
|
g_assert_cmpint (len, ==, len2);
|
|
for (i = 0; i < len; i++) {
|
|
g_assert_cmpint (0, ==, positions[i].x_advance);
|
|
g_assert_cmpint (0, ==, positions[i].y_advance);
|
|
g_assert_cmpint (0, ==, positions[i].x_offset);
|
|
g_assert_cmpint (0, ==, positions[i].y_offset);
|
|
g_assert_cmpint (0, ==, positions[i].var.i32);
|
|
}
|
|
|
|
/* test reset clears content */
|
|
hb_buffer_reset (fixture->b);
|
|
g_assert_cmpint (hb_buffer_get_length (fixture->b), ==, 0);
|
|
}
|
|
|
|
static void
|
|
test_buffer_allocation (fixture_t *fixture, gconstpointer user_data)
|
|
{
|
|
g_assert_cmpint (hb_buffer_get_length (fixture->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));
|
|
|
|
/* 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));
|
|
|
|
/* 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));
|
|
|
|
hb_buffer_reset (fixture->b);
|
|
g_assert (hb_buffer_allocation_successful (fixture->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));
|
|
|
|
hb_buffer_reset (fixture->b);
|
|
g_assert (hb_buffer_allocation_successful (fixture->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));
|
|
}
|
|
|
|
hb_buffer_reset (fixture->b);
|
|
g_assert (hb_buffer_allocation_successful (fixture->b));
|
|
}
|
|
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
int i;
|
|
|
|
hb_test_init (&argc, &argv);
|
|
|
|
for (i = 0; i < BUFFER_NUM_TYPES; i++)
|
|
{
|
|
const void *buffer_type = GINT_TO_POINTER (i);
|
|
const char *buffer_name = buffer_names[i];
|
|
|
|
hb_test_add_fixture_flavor (fixture, buffer_type, buffer_name, test_buffer_properties);
|
|
hb_test_add_fixture_flavor (fixture, buffer_type, buffer_name, test_buffer_contents);
|
|
hb_test_add_fixture_flavor (fixture, buffer_type, buffer_name, test_buffer_positions);
|
|
}
|
|
|
|
hb_test_add_fixture (fixture, GINT_TO_POINTER (BUFFER_EMPTY), test_buffer_allocation);
|
|
|
|
/* XXX test invalid UTF-8 / UTF-16 text input (also overlong sequences) */
|
|
|
|
return hb_test_run();
|
|
}
|