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path: root/libnbtplusplus/test/format_test.cpp
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// SPDX-FileCopyrightText: 2013, 2015 ljfa-ag <ljfa-ag@web.de>
//
// SPDX-License-Identifier: LGPL-3.0-or-later

/*
 * libnbt++ - A library for the Minecraft Named Binary Tag format.
 * Copyright (C) 2013, 2015  ljfa-ag
 *
 * This file is part of libnbt++.
 *
 * libnbt++ is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * libnbt++ 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with libnbt++.  If not, see <http://www.gnu.org/licenses/>.
 */
// #include "text/json_formatter.h"
#include "io/stream_reader.h"
#include "io/stream_writer.h"
#include <fstream>
#include <iostream>
#include <limits>
#include "nbt_tags.h"

using namespace nbt;

int main()
{
	// Write that into a file and read back for testing
	tag_compound comp{
		{"byte", tag_byte(-128)},
		{"short", tag_short(-32768)},
		{"int", tag_int(-2147483648)},
		{"long", tag_long(-9223372036854775808U)},

		{"float 1", 1.618034f},
		{"float 2", 6.626070e-34f},
		{"float 3", 2.273737e+29f},
		{"float 4", -std::numeric_limits<float>::infinity()},
		{"float 5", std::numeric_limits<float>::quiet_NaN()},

		{"double 1", 3.141592653589793},
		{"double 2", 1.749899444387479e-193},
		{"double 3", 2.850825855152578e+175},
		{"double 4", -std::numeric_limits<double>::infinity()},
		{"double 5", std::numeric_limits<double>::quiet_NaN()},

		{"string 1", "Hello World! \u00E4\u00F6\u00FC\u00DF"},
		{"string 2", "String with\nline breaks\tand tabs"},

		{"byte array", tag_byte_array{12, 13, 14, 15, 16}},
		{"int array", tag_int_array{0x0badc0de, -0x0dedbeef, 0x1badbabe}},
		{"long array", tag_long_array{0x0badc0de0badc0de, -0x0dedbeef0dedbeef,
									  0x1badbabe1badbabe}},

		{"list (empty)", tag_list::of<tag_byte_array>({})},
		{"list (float)", tag_list{2.0f, 1.0f, 0.5f, 0.25f}},
		{"list (list)",
		 tag_list::of<tag_list>(
			 {{},
			  {4, 5, 6},
			  {tag_compound{{"egg", "ham"}}, tag_compound{{"foo", "bar"}}}})},
		{"list (compound)",
		 tag_list::of<tag_compound>(
			 {{{"created-on", 42},
			   {"names", tag_list{"Compound", "tag", "#0"}}},
			  {{"created-on", 45},
			   {"names", tag_list{"Compound", "tag", "#1"}}}})},

		{"compound (empty)", tag_compound()},
		{"compound (nested)",
		 tag_compound{{"key", "value"},
					  {"key with \u00E4\u00F6\u00FC", tag_byte(-1)},
					  {"key with\nnewline and\ttab", tag_compound{}}}},

		{"null", nullptr}};

	std::cout << "----- default operator<<:\n";
	std::cout << comp;
	std::cout << "\n-----" << std::endl;

	// Write to file and read back
	{
		tag_compound file_comp = comp;
		file_comp.erase("null");
		std::ofstream out("test_output.nbt", std::ios::binary);
		nbt::io::write_tag("root", file_comp, out);
	}

	{
		std::ifstream in("test_output.nbt", std::ios::binary);
		auto read_pair = nbt::io::read_compound(in);
		std::cout << "----- read back from file:\n";
		std::cout << *read_pair.second;
		std::cout << "\n-----" << std::endl;
	}

	return 0;
}