harfbuzz/test/api/test-ot-collect-glyphs.c

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/*
* Copyright © 2021 Khaled Hosny
*
* 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 "hb-test.h"
#include <hb.h>
#include <hb-ot.h>
#define BEGIN(tag, idx) \
hb_ot_layout_lookup_collect_glyphs (face, tag, idx, before, input, after, output) \
#define END() \
hb_set_clear (before); \
hb_set_clear (input); \
hb_set_clear (after); \
hb_set_clear (output)
static void
test_ot_layout_lookup_collect_glyphs_source_sans (void)
{
hb_face_t *face = hb_test_open_font_file ("fonts/SourceSansPro-Regular.otf");
hb_set_t *before = hb_set_create();
hb_set_t *input = hb_set_create();
hb_set_t *after = hb_set_create();
hb_set_t *output = hb_set_create();
hb_codepoint_t g = HB_SET_VALUE_INVALID;
/* SingleSubst */
BEGIN(HB_OT_TAG_GSUB, 0);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (684, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (54, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (372, ==, hb_set_get_population (output));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (574, ==, g);
END();
/* AlternateSubst */
BEGIN(HB_OT_TAG_GSUB, 1);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (143, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (2, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (319, ==, hb_set_get_population (output));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (519, ==, g);
END();
/* MultipleSubst */
BEGIN(HB_OT_TAG_GSUB, 7);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (10, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (92, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (9, ==, hb_set_get_population (output));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (6, ==, g);
END();
/* LigatureSubst */
BEGIN(HB_OT_TAG_GSUB, 10);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (14, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (1823, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (22, ==, hb_set_get_population (output));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (1897, ==, g);
END();
/* ChainContextSubstFormat3 */
BEGIN(HB_OT_TAG_GSUB, 8);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (10, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (92, ==, g);
g_assert_cmpuint (2, ==, hb_set_get_population (after));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (after, &g));
g_assert_cmpuint (1826, ==, g);
g_assert (hb_set_next (after, &g));
g_assert_cmpuint (1837, ==, g);
g_assert_cmpuint (9, ==, hb_set_get_population (output));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (6, ==, g);
END();
/* ChainContextSubstFormat3 */
BEGIN(HB_OT_TAG_GSUB, 13);
g_assert_cmpuint (771, ==, hb_set_get_population (before));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (before, &g));
g_assert_cmpuint (2, ==, g);
g_assert_cmpuint (28, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (1823, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (48, ==, hb_set_get_population (output));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (325, ==, g);
END();
/* MarkBasePos */
BEGIN(HB_OT_TAG_GPOS, 0);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (179, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (28, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (0, ==, hb_set_get_population (output));
END();
/* MarkMarkPos */
BEGIN(HB_OT_TAG_GPOS, 9);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (48, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (1823, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (0, ==, hb_set_get_population (output));
END();
/* PairPos */
BEGIN(HB_OT_TAG_GPOS, 10);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (1426, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (2, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (0, ==, hb_set_get_population (output));
END();
hb_face_destroy (face);
face = hb_test_open_font_file ("fonts/SourceHanSans-Regular.41,3041,4C2E.otf");
/* SinglePosFormat2 */
BEGIN(HB_OT_TAG_GPOS, 1);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (1, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (4, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (0, ==, hb_set_get_population (output));
END();
hb_face_destroy (face);
hb_set_destroy (before);
hb_set_destroy (input);
hb_set_destroy (after);
hb_set_destroy (output);
}
static void
test_ot_layout_lookup_collect_glyphs_noto_nastaliq (void)
{
hb_face_t *face = hb_test_open_font_file ("fonts/NotoNastaliqUrdu-Regular.ttf");
hb_set_t *before = hb_set_create();
hb_set_t *input = hb_set_create();
hb_set_t *after = hb_set_create();
hb_set_t *output = hb_set_create();
hb_codepoint_t g = HB_SET_VALUE_INVALID;
/* ExtensionSubst -> ContextSubstFormat1 */
BEGIN(HB_OT_TAG_GSUB, 9);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (3, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (228, ==, g);
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (416, ==, g);
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (441, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (3, ==, hb_set_get_population (output));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (267, ==, g);
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (268, ==, g);
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (279, ==, g);
END();
/* ExtensionSubst -> SingleSubst */
BEGIN(HB_OT_TAG_GSUB, 10);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (3, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (228, ==, g);
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (416, ==, g);
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (441, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (3, ==, hb_set_get_population (output));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (267, ==, g);
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (268, ==, g);
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (279, ==, g);
END();
/* ExtensionSubst -> ChainContextSubstFormat2 */
BEGIN(HB_OT_TAG_GSUB, 16);
g_assert_cmpuint (16, ==, hb_set_get_population (before));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (before, &g));
g_assert_cmpuint (74, ==, g);
g_assert_cmpuint (27, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (276, ==, g);
g_assert_cmpuint (14, ==, hb_set_get_population (after));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (after, &g));
g_assert_cmpuint (252, ==, g);
g_assert_cmpuint (43, ==, hb_set_get_population (output));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (74, ==, g);
END();
/* ExtensionSubst -> ContextSubstFormat2 */
BEGIN(HB_OT_TAG_GSUB, 39);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (246, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (252, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (258, ==, hb_set_get_population (output));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (74, ==, g);
END();
/* CursivePos */
BEGIN(HB_OT_TAG_GPOS, 0);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (616, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (228, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (0, ==, hb_set_get_population (output));
END();
/* ExtensionSubst -> MarkLigPos */
BEGIN(HB_OT_TAG_GPOS, 13);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (46, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (1004, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (0, ==, hb_set_get_population (output));
END();
/* ExtensionSubst -> SinglePosFormat1 */
BEGIN(HB_OT_TAG_GPOS, 17);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (242, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (257, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (0, ==, hb_set_get_population (output));
END();
hb_face_destroy (face);
hb_set_destroy (before);
hb_set_destroy (input);
hb_set_destroy (after);
hb_set_destroy (output);
}
static void
test_ot_layout_lookup_collect_glyphs_qahiri (void)
{
hb_face_t *face = hb_test_open_font_file ("fonts/Qahiri-Regular.ttf");
hb_set_t *before = hb_set_create();
hb_set_t *input = hb_set_create();
hb_set_t *after = hb_set_create();
hb_set_t *output = hb_set_create();
hb_codepoint_t g = HB_SET_VALUE_INVALID;
/* SingleSubstFormat1 */
BEGIN(HB_OT_TAG_GSUB, 0);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (4, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (52, ==, g);
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (60, ==, g);
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (62, ==, g);
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (159, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (4, ==, hb_set_get_population (output));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (53, ==, g);
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (61, ==, g);
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (63, ==, g);
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (160, ==, g);
END();
/* ChainContextSubstFormat1 */
BEGIN(HB_OT_TAG_GSUB, 11);
g_assert_cmpuint (1, ==, hb_set_get_population (before));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (before, &g));
g_assert_cmpuint (39, ==, g);
g_assert_cmpuint (2, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (154, ==, g);
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (159, ==, g);
g_assert_cmpuint (1, ==, hb_set_get_population (after));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (after, &g));
g_assert_cmpuint (179, ==, g);
g_assert_cmpuint (2, ==, hb_set_get_population (output));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (155, ==, g);
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (162, ==, g);
END();
/* ContextSubstFormat3 */
BEGIN(HB_OT_TAG_GSUB, 31);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (4, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (53, ==, g);
g_assert_cmpuint (0, ==, hb_set_get_population (after));
g_assert_cmpuint (4, ==, hb_set_get_population (output));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (52, ==, g);
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (60, ==, g);
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (62, ==, g);
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (159, ==, g);
END();
/* ReverseChainSingleSubst */
BEGIN(HB_OT_TAG_GSUB, 32);
g_assert_cmpuint (0, ==, hb_set_get_population (before));
g_assert_cmpuint (42, ==, hb_set_get_population (input));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (input, &g));
g_assert_cmpuint (47, ==, g);
g_assert_cmpuint (46, ==, hb_set_get_population (after));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (after, &g));
g_assert_cmpuint (61, ==, g);
g_assert_cmpuint (42, ==, hb_set_get_population (output));
g = HB_SET_VALUE_INVALID;
g_assert (hb_set_next (output, &g));
g_assert_cmpuint (463, ==, g);
END();
hb_face_destroy (face);
hb_set_destroy (before);
hb_set_destroy (input);
hb_set_destroy (after);
hb_set_destroy (output);
}
int
main (int argc, char **argv)
{
hb_test_init (&argc, &argv);
hb_test_add (test_ot_layout_lookup_collect_glyphs_source_sans);
hb_test_add (test_ot_layout_lookup_collect_glyphs_noto_nastaliq);
hb_test_add (test_ot_layout_lookup_collect_glyphs_qahiri);
return hb_test_run ();
}