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Compute packing offsets.

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chriseth 2015-03-13 10:52:34 +01:00
parent 10be65f269
commit 354d84e0a7
1 changed files with 82 additions and 0 deletions
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SolidityTypes.cpp Normal file
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/*
This file is part of cpp-ethereum.
cpp-ethereum 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.
cpp-ethereum 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 cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Christian <c@ethdev.com>
* @date 2015
* Unit tests for the type system of Solidity.
*/
#include <libsolidity/Types.h>
#include <boost/test/unit_test.hpp>
using namespace std;
namespace dev
{
namespace solidity
{
namespace test
{
BOOST_AUTO_TEST_SUITE(SolidityTypes)
BOOST_AUTO_TEST_CASE(storage_layout_simple)
{
MemberList members(MemberList::MemberMap({
{string("first"), Type::fromElementaryTypeName("uint128")},
{string("second"), Type::fromElementaryTypeName("uint120")},
{string("wraps"), Type::fromElementaryTypeName("uint16")}
}));
BOOST_REQUIRE_EQUAL(u256(2), members.getStorageSize());
BOOST_REQUIRE(members.getMemberStorageOffset("first") != nullptr);
BOOST_REQUIRE(members.getMemberStorageOffset("second") != nullptr);
BOOST_REQUIRE(members.getMemberStorageOffset("wraps") != nullptr);
BOOST_CHECK(*members.getMemberStorageOffset("first") == make_pair(u256(0), unsigned(0)));
BOOST_CHECK(*members.getMemberStorageOffset("second") == make_pair(u256(0), unsigned(16)));
BOOST_CHECK(*members.getMemberStorageOffset("wraps") == make_pair(u256(1), unsigned(0)));
}
BOOST_AUTO_TEST_CASE(storage_layout_mapping)
{
MemberList members(MemberList::MemberMap({
{string("first"), Type::fromElementaryTypeName("uint128")},
{string("second"), make_shared<MappingType>(
Type::fromElementaryTypeName("uint8"),
Type::fromElementaryTypeName("uint8")
)},
{string("third"), Type::fromElementaryTypeName("uint16")},
{string("final"), make_shared<MappingType>(
Type::fromElementaryTypeName("uint8"),
Type::fromElementaryTypeName("uint8")
)},
}));
BOOST_REQUIRE_EQUAL(u256(4), members.getStorageSize());
BOOST_REQUIRE(members.getMemberStorageOffset("first") != nullptr);
BOOST_REQUIRE(members.getMemberStorageOffset("second") != nullptr);
BOOST_REQUIRE(members.getMemberStorageOffset("third") != nullptr);
BOOST_REQUIRE(members.getMemberStorageOffset("final") != nullptr);
BOOST_CHECK(*members.getMemberStorageOffset("first") == make_pair(u256(0), unsigned(0)));
BOOST_CHECK(*members.getMemberStorageOffset("second") == make_pair(u256(1), unsigned(0)));
BOOST_CHECK(*members.getMemberStorageOffset("third") == make_pair(u256(2), unsigned(0)));
BOOST_CHECK(*members.getMemberStorageOffset("final") == make_pair(u256(3), unsigned(0)));
}
BOOST_AUTO_TEST_SUITE_END()
}
}
}