mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
102 lines
3.0 KiB
C++
102 lines
3.0 KiB
C++
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/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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// SPDX-License-Identifier: GPL-3.0
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/**
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* Unit tests for LEB128.
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*/
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#include <libsolutil/LEB128.h>
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#include <boost/test/unit_test.hpp>
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using namespace std;
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namespace solidity::util::test
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{
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BOOST_AUTO_TEST_SUITE(LEB128Test)
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BOOST_AUTO_TEST_CASE(encode_unsigned)
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{
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bytes zero = solidity::util::lebEncode(0);
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BOOST_REQUIRE(zero.size() == 1);
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BOOST_REQUIRE(zero[0] == 0x00);
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bytes one = solidity::util::lebEncode(1);
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BOOST_REQUIRE(one.size() == 1);
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BOOST_REQUIRE(one[0] == 0x01);
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bytes large = solidity::util::lebEncode(624485);
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BOOST_REQUIRE(large.size() == 3);
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BOOST_REQUIRE(large[0] == 0xE5);
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BOOST_REQUIRE(large[1] == 0x8E);
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BOOST_REQUIRE(large[2] == 0x26);
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bytes larger = solidity::util::lebEncodeSigned(123456123456);
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BOOST_REQUIRE(larger.size() == 6);
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BOOST_REQUIRE(larger[0] == 0xC0);
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BOOST_REQUIRE(larger[1] == 0xE4);
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BOOST_REQUIRE(larger[2] == 0xBB);
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BOOST_REQUIRE(larger[3] == 0xF4);
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BOOST_REQUIRE(larger[4] == 0xCB);
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BOOST_REQUIRE(larger[5] == 0x03);
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}
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BOOST_AUTO_TEST_CASE(encode_signed)
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{
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bytes zero = solidity::util::lebEncodeSigned(0);
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BOOST_REQUIRE(zero.size() == 1);
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BOOST_REQUIRE(zero[0] == 0x00);
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bytes one = solidity::util::lebEncodeSigned(1);
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BOOST_REQUIRE(one.size() == 1);
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BOOST_REQUIRE(one[0] == 0x01);
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bytes negative_one = solidity::util::lebEncodeSigned(-1);
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BOOST_REQUIRE(negative_one.size() == 1);
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BOOST_REQUIRE(negative_one[0] == 0x7f);
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bytes negative_two = solidity::util::lebEncodeSigned(-2);
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BOOST_REQUIRE(negative_two.size() == 1);
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BOOST_REQUIRE(negative_two[0] == 0x7e);
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bytes large = solidity::util::lebEncodeSigned(624485);
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BOOST_REQUIRE(large.size() == 3);
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BOOST_REQUIRE(large[0] == 0xE5);
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BOOST_REQUIRE(large[1] == 0x8E);
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BOOST_REQUIRE(large[2] == 0x26);
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bytes negative_large = solidity::util::lebEncodeSigned(-123456);
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BOOST_REQUIRE(negative_large.size() == 3);
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BOOST_REQUIRE(negative_large[0] == 0xC0);
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BOOST_REQUIRE(negative_large[1] == 0xBB);
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BOOST_REQUIRE(negative_large[2] == 0x78);
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bytes negative_larger = solidity::util::lebEncodeSigned(-123456123456);
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BOOST_REQUIRE(negative_larger.size() == 6);
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BOOST_REQUIRE(negative_larger[0] == 0xC0);
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BOOST_REQUIRE(negative_larger[1] == 0x9B);
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BOOST_REQUIRE(negative_larger[2] == 0xC4);
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BOOST_REQUIRE(negative_larger[3] == 0x8B);
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BOOST_REQUIRE(negative_larger[4] == 0xB4);
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BOOST_REQUIRE(negative_larger[5] == 0x7C);
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}
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BOOST_AUTO_TEST_SUITE_END()
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}
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