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/*
Copyright (C) 2026 Carl Hetherington <cth@carlh.net>
This file is part of libttf.
libttf is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
libttf is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with libttf. If not, see <http://www.gnu.org/licenses/>.
*/
#define BOOST_TEST_MODULE libttf_test
#include "collection.h"
#include "font.h"
#include "name_table.h"
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
#include <boost/test/unit_test.hpp>
#include <fstream>
#include <vector>
void
check_file(boost::filesystem::path ref, boost::filesystem::path check)
{
uintmax_t size = boost::filesystem::file_size(ref);
BOOST_CHECK_EQUAL(size, boost::filesystem::file_size(check));
boost::filesystem::ifstream ref_file(ref, std::ios::binary);
BOOST_REQUIRE(ref_file.good());
boost::filesystem::ifstream check_file(check, std::ios::binary);
BOOST_REQUIRE(check_file.good());
int constexpr buffer_size = 65536;
std::vector<uint8_t> ref_buffer(buffer_size);
std::vector<uint8_t> check_buffer(buffer_size);
uintmax_t pos = 0;
while (pos < size) {
uintmax_t this_time = std::min(uintmax_t(buffer_size), size - pos);
ref_file.read(reinterpret_cast<char*>(ref_buffer.data()), this_time);
BOOST_CHECK(ref_file);
check_file.read(reinterpret_cast<char*>(check_buffer.data()), this_time);
BOOST_CHECK(check_file);
if (memcmp(ref_buffer.data(), check_buffer.data(), this_time) != 0) {
for (int i = 0; i < buffer_size; ++i) {
if (ref_buffer[i] != check_buffer[i]) {
BOOST_CHECK_MESSAGE (
false,
"File " << check << " differs from reference " << ref << " at offset " << (pos + i)
);
break;
}
}
break;
}
pos += this_time;
}
}
BOOST_AUTO_TEST_CASE(passthrough_test)
{
ttf::Font font("test/data/LiberationSans-Regular.ttf");
font.write("build/test/passthrough_test.ttf");
check_file("test/data/LiberationSans-Regular.ttf", "build/test/passthrough_test.ttf");
}
BOOST_AUTO_TEST_CASE(get_names_test)
{
ttf::Font font("test/data/LiberationSans-Regular.ttf");
auto name_table = font.name_table();
BOOST_REQUIRE(name_table);
auto font_family = name_table->names(ttf::NameTable::Identifier::FONT_FAMILY);
BOOST_REQUIRE_EQUAL(font_family.size(), 2U);
BOOST_CHECK_EQUAL(boost::variant2::get<0>(font_family[1]), "Liberation Sans");
auto full_name = name_table->names(ttf::NameTable::Identifier::FULL_NAME);
BOOST_REQUIRE_EQUAL(full_name.size(), 2U);
BOOST_CHECK_EQUAL(boost::variant2::get<0>(full_name[1]), "Liberation Sans");
auto postscript_name = name_table->names(ttf::NameTable::Identifier::POSTSCRIPT_NAME);
BOOST_REQUIRE_EQUAL(postscript_name.size(), 2U);
BOOST_CHECK_EQUAL(boost::variant2::get<0>(postscript_name[1]), "LiberationSans");
}
BOOST_AUTO_TEST_CASE(set_names_test)
{
ttf::Font font("test/data/LiberationSans-Regular.ttf");
auto name_table = font.name_table();
BOOST_REQUIRE(name_table);
name_table->set_names(ttf::NameTable::Identifier::FONT_FAMILY, "Adams", L"Adams");
name_table->set_names(ttf::NameTable::Identifier::FULL_NAME, "Frobozz", L"Frobozz");
name_table->set_names(ttf::NameTable::Identifier::POSTSCRIPT_NAME, "Pat", L"Pat");
font.write("build/test/set_names_test.ttf");
ttf::Font loaded("build/test/set_names_test.ttf");
auto loaded_name_table = loaded.name_table();
auto font_family = loaded_name_table->names(ttf::NameTable::Identifier::FONT_FAMILY);
BOOST_CHECK_EQUAL(font_family.size(), 2U);
BOOST_CHECK_EQUAL(boost::variant2::get<0>(font_family[1]), "Adams");
BOOST_CHECK(boost::variant2::get<1>(font_family[0]) == L"Adams");
auto full_name = loaded_name_table->names(ttf::NameTable::Identifier::FULL_NAME);
BOOST_CHECK_EQUAL(full_name.size(), 2U);
BOOST_CHECK_EQUAL(boost::variant2::get<0>(full_name[1]), "Frobozz");
BOOST_CHECK(boost::variant2::get<1>(full_name[0]) == L"Frobozz");
auto postscript_name = loaded_name_table->names(ttf::NameTable::Identifier::POSTSCRIPT_NAME);
BOOST_CHECK_EQUAL(postscript_name.size(), 2U);
BOOST_CHECK_EQUAL(boost::variant2::get<0>(postscript_name[1]), "Pat");
BOOST_CHECK(boost::variant2::get<1>(postscript_name[0]) == L"Pat");
}
BOOST_AUTO_TEST_CASE(set_names_test2)
{
ttf::Font font("test/data/539c-fffe-768a-d2c7");
auto name_table = font.name_table();
BOOST_REQUIRE(name_table);
name_table->set_names(ttf::NameTable::Identifier::FONT_FAMILY, "Arial_0", L"Arial_0");
auto font_family = name_table->names(ttf::NameTable::Identifier::FONT_FAMILY);
BOOST_REQUIRE_EQUAL(font_family.size(), 3U);
BOOST_CHECK(boost::variant2::get<1>(font_family[0]) == L"Arial_0");
BOOST_CHECK(boost::variant2::get<1>(font_family[1]) == L"Arial_0");
BOOST_CHECK_EQUAL(boost::variant2::get<0>(font_family[2]), "Arial_0");
}
BOOST_AUTO_TEST_CASE(load_ttc_file)
{
BOOST_CHECK_THROW(ttf::Font("test/data/8fb0935f-28cd-4d8f-9ee9-85897c600364"), ttf::InvalidScalerType);
ttf::Collection collection("test/data/8fb0935f-28cd-4d8f-9ee9-85897c600364");
auto fonts = collection.fonts();
BOOST_CHECK_EQUAL(fonts.size(), 9U);
BOOST_REQUIRE(fonts[0].name_table());
auto const& table = fonts[0].name_table();
auto const font_family = table->names(ttf::NameTable::Identifier::FONT_FAMILY);
BOOST_REQUIRE_EQUAL(font_family.size(), 2U);
BOOST_CHECK_EQUAL(boost::variant2::get<0>(font_family[1]), "Arial Hebrew");
}
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