/*
	This file is part of solidity.

	solidity 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 3 of the License, or
	(at your option) any later version.

	solidity 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 solidity.  If not, see <http://www.gnu.org/licenses/>.
*/
/**
 * Unit tests for the StringUtils routines.
 */


#include <libdevcore/CommonData.h>
#include <libdevcore/FixedHash.h>
#include <libsolidity/ast/Types.h> // for IntegerType

#include <test/Options.h>

using namespace std;
using namespace dev::solidity;

namespace dev
{
namespace test
{

BOOST_AUTO_TEST_SUITE(CommonData)

BOOST_AUTO_TEST_CASE(test_to_hex)
{
	BOOST_CHECK_EQUAL(toHex(fromHex("FF"), 2, HexPrefix::DontAdd,  HexCase::Lower), "ff");
}

BOOST_AUTO_TEST_CASE(test_format_number)
{
	BOOST_CHECK_EQUAL(formatNumber(u256(0x8000000)), "0x08000000");
	BOOST_CHECK_EQUAL(formatNumber(u256(0x80000000)), "0x80000000");
	BOOST_CHECK_EQUAL(formatNumber(u256(0x800000000)), "0x0800000000");
	BOOST_CHECK_EQUAL(formatNumber(u256(0x8000000000)), "0x8000000000");
	BOOST_CHECK_EQUAL(formatNumber(u256(0x80000000000)), "0x080000000000");

	BOOST_CHECK_EQUAL(formatNumber(u256(0x7ffffff)), "0x07ffffff");
	BOOST_CHECK_EQUAL(formatNumber(u256(0x7fffffff)), "0x7fffffff");
	BOOST_CHECK_EQUAL(formatNumber(u256(0x7ffffffff)), "0x07ffffffff");
	BOOST_CHECK_EQUAL(formatNumber(u256(0x7fffffffff)), "0x7fffffffff");
	BOOST_CHECK_EQUAL(formatNumber(u256(0x7ffffffffff)), "0x07ffffffffff");

	BOOST_CHECK_EQUAL(formatNumber(u256(0x88000000)), "0x88000000");
	BOOST_CHECK_EQUAL(formatNumber(u256(0x8888888888000000)), "0x8888888888000000");

	u256 b = 0;
	for (int i = 0; i < 32; i++)
	{
		b <<= 8;
		b |= 0x55;
	}
	u256 c = u256(FixedHash<32>(
		fromHex("0xabcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789")
	));
	u256 d = u256(0xAAAAaaaaAAAAaaaa) << 192 |
		u256(0xFFFFffffFFFFffff) << 128 |
		u256(0xFFFFffffFFFFffff) << 64 |
		u256(0xFFFFffffFFFFffff);
	BOOST_CHECK_EQUAL(formatNumber(b), "0x5555555555555555555555555555555555555555555555555555555555555555");
	BOOST_CHECK_EQUAL(formatNumber(c), "0xabcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789");
	BOOST_CHECK_EQUAL(formatNumber(d), "0xaaaaaaaaaaaaaaaaffffffffffffffffffffffffffffffffffffffffffffffff");

	BOOST_CHECK_EQUAL(formatNumber(IntegerType(256).minValue()), "0");
	BOOST_CHECK_EQUAL(
		formatNumber(IntegerType(256).maxValue()),
		"0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
	);
}

BOOST_AUTO_TEST_SUITE_END()

}
}