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[instancer] add a test for decompile cvar tuple variations data

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Qunxin Liu 2023-06-05 14:03:22 -07:00
parent bd9cdecd59
commit ed6bee2004
3 changed files with 85 additions and 0 deletions
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5
src/Makefile.am
View file

@ -457,6 +457,7 @@ COMPILED_TESTS = \
test-repacker \
test-classdef-graph \
test-instancer-solver \
test-decompile-tuple-varstore \
$(NULL)
COMPILED_TESTS_CPPFLAGS = $(HBCFLAGS) -DMAIN -UNDEBUG
COMPILED_TESTS_LDADD = libharfbuzz.la $(HBLIBS)
@ -531,6 +532,10 @@ test_instancer_solver_SOURCES = test-subset-instancer-solver.cc hb-subset-instan
test_instancer_solver_CPPFLAGS = $(COMPILED_TESTS_CPPFLAGS)
test_instancer_solver_LDADD = $(COMPILED_TESTS_LDADD)
test_decompile_tuple_varstore_SOURCES = test-decompile-tuple-varstore.cc hb-static.cc
test_decompile_tuple_varstore_CPPFLAGS = $(COMPILED_TESTS_CPPFLAGS)
test_decompile_tuple_varstore_LDADD = $(COMPILED_TESTS_LDADD)
dist_check_SCRIPTS = \
check-c-linkage-decls.py \
check-externs.py \

1
src/meson.build
View file

@ -723,6 +723,7 @@ if get_option('tests').enabled()
'test-vector': ['test-vector.cc', 'hb-static.cc'],
'test-bimap': ['test-bimap.cc', 'hb-static.cc'],
'test-instancer-solver': ['test-subset-instancer-solver.cc', 'hb-subset-instancer-solver.cc', 'hb-static.cc'],
'test-decompile-tuple-varstore': ['test-decompile-tuple-varstore.cc', 'hb-static.cc'],
}
foreach name, source : compiled_tests
if cpp.get_argument_syntax() == 'msvc' and source.contains('hb-static.cc')

79
src/test-decompile-tuple-varstore.cc Normal file
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@ -0,0 +1,79 @@
/*
* Copyright © 2020 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.
*
*/
#include "hb-ot-var-cvar-table.hh"
// cvar table data from Multi-ABC.ttf
const char cvar_data[] = "\x0\x1\x0\x0\x0\x2\x0\x14\x0\x51\xa0\x0\xc0\x0\x0\x54\xa0\x0\x40\x0\x2a\x29\x17\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\xd\xff\x0\xfd\x1\x0\xff\x0\xfd\x1\x0\xdb\xdb\xe6\xe6\x82\x0\xfd\x84\x6\xfd\x0\x2\xe3\xe3\xec\xec\x82\x4\x1\xe3\xe3\xec\xec\x82\x0\x1\x2a\x29\x17\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\x1\xd\x1\x0\x5\xfd\x0\x1\x0\x5\xfd\x0\x61\x61\x44\x44\x82\x0\x5\x81\x9\x1\xff\x1\x7\xff\xfb\x49\x49\x35\x35\x82\x4\xff\x49\x49\x35\x35\x82\x0\xff";
static void
test_decompile_cvar ()
{
const OT::cvar* cvar_table = reinterpret_cast<const OT::cvar*> (cvar_data);
unsigned point_count = 65;
unsigned axis_count = 1;
OT::TupleVariationData::tuple_variations_t tuple_variations;
bool result = cvar_table->decompile_tuple_variations (axis_count, point_count, false, tuple_variations);
assert (result);
assert (tuple_variations.tuple_vars.length == 2);
for (unsigned i = 0; i < 2; i++)
{
assert (tuple_variations.tuple_vars[i].axis_tuples.get_population () == 1);
assert (!tuple_variations.tuple_vars[i].deltas_y);
assert (tuple_variations.tuple_vars[i].indices.length == 65);
assert (tuple_variations.tuple_vars[i].indices.length == tuple_variations.tuple_vars[i].deltas_x.length);
}
assert (tuple_variations.tuple_vars[0].axis_tuples.get (0) == Triple (-1.f, -1.f, 0.f));
assert (tuple_variations.tuple_vars[1].axis_tuples.get (0) == Triple (0.f, 1.f, 1.f));
hb_vector_t<float> deltas_1 {0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, -1.f, 0.f, -3.f, 1.f, 0.f, -1.f, 0.f, -3.f, 1.f, 0.f, -37.f, -37.f, -26.f, -26.f, 0.f, 0.f, 0.f, -3.f, 0.f, 0.f, 0.f, 0.f, 0.f, -3.f, 0.f, 2.f, -29.f, -29.f, -20.f, -20.f, 0.f, 0.f, 0.f, 1.f, -29.f, -29.f, -20.f, -20.f, 0.f, 0.f, 0.f, 1.f};
for (unsigned i = 0; i < 65; i++)
{
if (i < 23)
assert (tuple_variations.tuple_vars[0].indices[i] == 0);
else
{
assert (tuple_variations.tuple_vars[0].indices[i] == 1);
assert (tuple_variations.tuple_vars[0].deltas_x[i] == deltas_1[i]);
}
}
hb_vector_t<float> deltas_2 {0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 1.f, 0.f, 5.f, -3.f, 0.f, 1.f, 0.f, 5.f, -3.f, 0.f, 97.f, 97.f, 68.f, 68.f, 0.f, 0.f, 0.f, 5.f, 0.f, 0.f, 1.f, -1.f, 1.f, 7.f, -1.f, -5.f, 73.f, 73.f, 53.f, 53.f, 0.f, 0.f, 0.f, -1.f, 73.f, 73.f, 53.f, 53.f, 0.f, 0.f, 0.f, -1.f};
for (unsigned i = 0 ; i < 65; i++)
{
if (i < 23)
assert (tuple_variations.tuple_vars[1].indices[i] == 0);
else
{
assert (tuple_variations.tuple_vars[1].indices[i] == 1);
assert (tuple_variations.tuple_vars[1].deltas_x[i] == deltas_2[i]);
}
}
}
int
main (int argc, char **argv)
{
test_decompile_cvar ();
}