path: root/test/libdevcore/CommonData.cpp

/*
    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"), 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()

}
}