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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 Lefteris Karapetsas <lefteris@ethdev.com>
* @date 2015
* Unit tests for Assembly Items from evmasm/Assembly.h
*/
#include <string>
#include <iostream>
#include <boost/test/unit_test.hpp>
#include <libevmasm/SourceLocation.h>
#include <libevmasm/Assembly.h>
#include <libsolidity/parsing/Scanner.h>
#include <libsolidity/parsing/Parser.h>
#include <libsolidity/analysis/NameAndTypeResolver.h>
#include <libsolidity/codegen/Compiler.h>
#include <libsolidity/ast/AST.h>
#include <libsolidity/analysis/TypeChecker.h>
using namespace std;
using namespace dev::eth;
namespace dev
{
namespace solidity
{
namespace test
{
namespace
{
eth::AssemblyItems compileContract(const string& _sourceCode)
{
ErrorList errors;
Parser parser(errors);
ASTPointer<SourceUnit> sourceUnit;
BOOST_REQUIRE_NO_THROW(sourceUnit = parser.parse(make_shared<Scanner>(CharStream(_sourceCode))));
BOOST_CHECK(!!sourceUnit);
NameAndTypeResolver resolver({}, errors);
solAssert(Error::containsOnlyWarnings(errors), "");
resolver.registerDeclarations(*sourceUnit);
for (ASTPointer<ASTNode> const& node: sourceUnit->nodes())
if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
{
BOOST_REQUIRE_NO_THROW(resolver.resolveNamesAndTypes(*contract));
if (!Error::containsOnlyWarnings(errors))
return AssemblyItems();
}
for (ASTPointer<ASTNode> const& node: sourceUnit->nodes())
if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
{
TypeChecker checker(errors);
BOOST_REQUIRE_NO_THROW(checker.checkTypeRequirements(*contract));
if (!Error::containsOnlyWarnings(errors))
return AssemblyItems();
}
for (ASTPointer<ASTNode> const& node: sourceUnit->nodes())
if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
{
Compiler compiler;
compiler.compileContract(*contract, map<ContractDefinition const*, Assembly const*>{});
return compiler.runtimeAssemblyItems();
}
BOOST_FAIL("No contract found in source.");
return AssemblyItems();
}
void checkAssemblyLocations(AssemblyItems const& _items, vector<SourceLocation> const& _locations)
{
BOOST_CHECK_EQUAL(_items.size(), _locations.size());
for (size_t i = 0; i < min(_items.size(), _locations.size()); ++i)
{
BOOST_CHECK_MESSAGE(
_items[i].location() == _locations[i],
"Location mismatch for assembly item " + to_string(i) + ". Found: " +
to_string(_items[i].location().start) + "-" +
to_string(_items[i].location().end) + ", expected: " +
to_string(_locations[i].start) + "-" +
to_string(_locations[i].end));
}
}
} // end anonymous namespace
BOOST_AUTO_TEST_SUITE(Assembly)
BOOST_AUTO_TEST_CASE(location_test)
{
char const* sourceCode = R"(
contract test {
function f() returns (uint256 a) {
return 16;
}
}
)";
shared_ptr<string const> n = make_shared<string>("source");
AssemblyItems items = compileContract(sourceCode);
vector<SourceLocation> locations =
vector<SourceLocation>(18, SourceLocation(2, 75, n)) +
vector<SourceLocation>(28, SourceLocation(20, 72, n)) +
vector<SourceLocation>{SourceLocation(42, 51, n), SourceLocation(65, 67, n)} +
vector<SourceLocation>(4, SourceLocation(58, 67, n)) +
vector<SourceLocation>(3, SourceLocation(20, 72, n));
checkAssemblyLocations(items, locations);
}
BOOST_AUTO_TEST_SUITE_END()
}
}
} // end namespaces
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