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[test] Add API test for lookup_collect_glyphs() 

We don’t seem to have any tests exercising this API at all, and it is a
good check of GSUB/GPOS code.
This commit is contained in:
Khaled Hosny 2021-08-02 16:10:13 +02:00 committed by Behdad Esfahbod
parent 47d47e8c43
commit f998d7e1ce
3 changed files with 211 additions and 0 deletions
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1
test/api/Makefile.am
View File

@ -42,6 +42,7 @@ TEST_PROGS = \
test-object \
test-ot-alternates \
test-ot-color \
test-ot-collect-glyphs \
test-ot-face \
test-ot-glyphname \
test-ot-ligature-carets \

1
test/api/meson.build
View File

@ -17,6 +17,7 @@ tests = [
'test-map.c',
'test-object.c',
'test-ot-alternates.c',
'test-ot-collect-glyphs.c',
'test-ot-color.c',
'test-ot-face.c',
'test-ot-glyphname.c',

209
test/api/test-ot-collect-glyphs.c Normal file
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@ -0,0 +1,209 @@
/*
* 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);
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);
return hb_test_run ();
}