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Merge branch 'develop' of github.com:ethereum/cpp-ethereum into develop

cl-refactor
Gav Wood 10 years ago
parent
774abf0d54 72278f87f2
commit
20d0865e6a
3 changed files with 293 additions and 120 deletions
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  1. 121
      test/solidityEndToEndTest.cpp
  2. 161
      test/solidityExecutionFramework.h
  3. 131
      test/solidityOptimizerTest.cpp

121
test/solidityEndToEndTest.cpp
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@ -24,137 +24,18 @@
#include <string>
#include <tuple>
#include <boost/test/unit_test.hpp>
#include <libethereum/State.h>
#include <libethereum/Executive.h>
#include <libsolidity/CompilerStack.h>
#include <libdevcrypto/SHA3.h>
#include <test/solidityExecutionFramework.h>
using namespace std;
namespace dev
{
/// Provides additional overloads for toBigEndian to encode arguments and return values.
inline bytes toBigEndian(byte _value) { return bytes({_value}); }
inline bytes toBigEndian(bool _value) { return bytes({byte(_value)}); }
namespace solidity
{
namespace test
{
class ExecutionFramework
{
public:
ExecutionFramework() { g_logVerbosity = 0; }
bytes const& compileAndRun(string const& _sourceCode, u256 const& _value = 0, string const& _contractName = "")
{
dev::solidity::CompilerStack compiler;
compiler.compile(_sourceCode);
bytes code = compiler.getBytecode(_contractName);
sendMessage(code, true, _value);
BOOST_REQUIRE(!m_output.empty());
return m_output;
}
bytes const& callContractFunction(byte _index, bytes const& _data = bytes(), u256 const& _value = 0)
{
sendMessage(bytes(1, _index) + _data, false, _value);
return m_output;
}
template <class... Args>
bytes const& callContractFunction(byte _index, Args const&... _arguments)
{
return callContractFunction(_index, argsToBigEndian(_arguments...));
}
template <class CppFunction, class... Args>
void testSolidityAgainstCpp(byte _index, CppFunction const& _cppFunction, Args const&... _arguments)
{
bytes solidityResult = callContractFunction(_index, _arguments...);
bytes cppResult = callCppAndEncodeResult(_cppFunction, _arguments...);
BOOST_CHECK_MESSAGE(solidityResult == cppResult, "Computed values do not match."
"\nSolidity: " + toHex(solidityResult) + "\nC++: " + toHex(cppResult));
}
template <class CppFunction, class... Args>
void testSolidityAgainstCppOnRange(byte _index, CppFunction const& _cppFunction,
u256 const& _rangeStart, u256 const& _rangeEnd)
{
for (u256 argument = _rangeStart; argument < _rangeEnd; ++argument)
{
bytes solidityResult = callContractFunction(_index, argument);
bytes cppResult = callCppAndEncodeResult(_cppFunction, argument);
BOOST_CHECK_MESSAGE(solidityResult == cppResult, "Computed values do not match."
"\nSolidity: " + toHex(solidityResult) + "\nC++: " + toHex(cppResult) +
"\nArgument: " + toHex(toBigEndian(argument)));
}
}
private:
template <class FirstArg, class... Args>
bytes argsToBigEndian(FirstArg const& _firstArg, Args const&... _followingArgs) const
{
return toBigEndian(_firstArg) + argsToBigEndian(_followingArgs...);
}
bytes argsToBigEndian() const { return bytes(); }
template <class CppFunction, class... Args>
auto callCppAndEncodeResult(CppFunction const& _cppFunction, Args const&... _arguments)
-> typename enable_if<is_void<decltype(_cppFunction(_arguments...))>::value, bytes>::type
{
_cppFunction(_arguments...);
return bytes();
}
template <class CppFunction, class... Args>
auto callCppAndEncodeResult(CppFunction const& _cppFunction, Args const&... _arguments)
-> typename enable_if<!is_void<decltype(_cppFunction(_arguments...))>::value, bytes>::type
{
return toBigEndian(_cppFunction(_arguments...));
}
void sendMessage(bytes const& _data, bool _isCreation, u256 const& _value = 0)
{
m_state.addBalance(m_sender, _value); // just in case
eth::Executive executive(m_state);
eth::Transaction t = _isCreation ? eth::Transaction(_value, m_gasPrice, m_gas, _data, 0, KeyPair::create().sec())
: eth::Transaction(_value, m_gasPrice, m_gas, m_contractAddress, _data, 0, KeyPair::create().sec());
bytes transactionRLP = t.rlp();
try
{
// this will throw since the transaction is invalid, but it should nevertheless store the transaction
executive.setup(&transactionRLP);
}
catch (...) {}
if (_isCreation)
{
BOOST_REQUIRE(!executive.create(m_sender, _value, m_gasPrice, m_gas, &_data, m_sender));
m_contractAddress = executive.newAddress();
BOOST_REQUIRE(m_contractAddress);
BOOST_REQUIRE(m_state.addressHasCode(m_contractAddress));
}
else
{
BOOST_REQUIRE(m_state.addressHasCode(m_contractAddress));
BOOST_REQUIRE(!executive.call(m_contractAddress, m_sender, _value, m_gasPrice, &_data, m_gas, m_sender));
}
BOOST_REQUIRE(executive.go());
m_state.noteSending(m_sender);
executive.finalize();
m_output = executive.out().toVector();
}
protected:
Address m_sender;
Address m_contractAddress;
eth::State m_state;
u256 const m_gasPrice = 100 * eth::szabo;
u256 const m_gas = 1000000;
bytes m_output;
};
BOOST_FIXTURE_TEST_SUITE(SolidityCompilerEndToEndTest, ExecutionFramework)
BOOST_AUTO_TEST_CASE(smoke_test)

161
test/solidityExecutionFramework.h
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@ -0,0 +1,161 @@
/*
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 2014
* Framework for executing Solidity contracts and testing them against C++ implementation.
*/
#pragma once
#include <string>
#include <tuple>
#include <boost/test/unit_test.hpp>
#include <libethereum/State.h>
#include <libethereum/Executive.h>
#include <libsolidity/CompilerStack.h>
namespace dev
{
/// Provides additional overloads for toBigEndian to encode arguments and return values.
inline bytes toBigEndian(byte _value) { return bytes({_value}); }
inline bytes toBigEndian(bool _value) { return bytes({byte(_value)}); }
namespace solidity
{
namespace test
{
class ExecutionFramework
{
public:
ExecutionFramework() { g_logVerbosity = 0; }
bytes const& compileAndRun(std::string const& _sourceCode, u256 const& _value = 0, std::string const& _contractName = "")
{
dev::solidity::CompilerStack compiler;
compiler.compile(_sourceCode, m_optimize);
bytes code = compiler.getBytecode(_contractName);
sendMessage(code, true, _value);
BOOST_REQUIRE(!m_output.empty());
return m_output;
}
bytes const& callContractFunction(byte _index, bytes const& _data = bytes(), u256 const& _value = 0)
{
sendMessage(bytes(1, _index) + _data, false, _value);
return m_output;
}
template <class... Args>
bytes const& callContractFunction(byte _index, Args const&... _arguments)
{
return callContractFunction(_index, argsToBigEndian(_arguments...));
}
template <class CppFunction, class... Args>
void testSolidityAgainstCpp(byte _index, CppFunction const& _cppFunction, Args const&... _arguments)
{
bytes solidityResult = callContractFunction(_index, _arguments...);
bytes cppResult = callCppAndEncodeResult(_cppFunction, _arguments...);
BOOST_CHECK_MESSAGE(solidityResult == cppResult, "Computed values do not match."
"\nSolidity: " + toHex(solidityResult) + "\nC++: " + toHex(cppResult));
}
template <class CppFunction, class... Args>
void testSolidityAgainstCppOnRange(byte _index, CppFunction const& _cppFunction,
u256 const& _rangeStart, u256 const& _rangeEnd)
{
for (u256 argument = _rangeStart; argument < _rangeEnd; ++argument)
{
bytes solidityResult = callContractFunction(_index, argument);
bytes cppResult = callCppAndEncodeResult(_cppFunction, argument);
BOOST_CHECK_MESSAGE(solidityResult == cppResult, "Computed values do not match."
"\nSolidity: " + toHex(solidityResult) + "\nC++: " + toHex(cppResult) +
"\nArgument: " + toHex(toBigEndian(argument)));
}
}
private:
template <class FirstArg, class... Args>
bytes argsToBigEndian(FirstArg const& _firstArg, Args const&... _followingArgs) const
{
return toBigEndian(_firstArg) + argsToBigEndian(_followingArgs...);
}
bytes argsToBigEndian() const { return bytes(); }
template <class CppFunction, class... Args>
auto callCppAndEncodeResult(CppFunction const& _cppFunction, Args const&... _arguments)
-> typename std::enable_if<std::is_void<decltype(_cppFunction(_arguments...))>::value, bytes>::type
{
_cppFunction(_arguments...);
return bytes();
}
template <class CppFunction, class... Args>
auto callCppAndEncodeResult(CppFunction const& _cppFunction, Args const&... _arguments)
-> typename std::enable_if<!std::is_void<decltype(_cppFunction(_arguments...))>::value, bytes>::type
{
return toBigEndian(_cppFunction(_arguments...));
}
void sendMessage(bytes const& _data, bool _isCreation, u256 const& _value = 0)
{
m_state.addBalance(m_sender, _value); // just in case
eth::Executive executive(m_state);
eth::Transaction t = _isCreation ? eth::Transaction(_value, m_gasPrice, m_gas, _data, 0, KeyPair::create().sec())
: eth::Transaction(_value, m_gasPrice, m_gas, m_contractAddress, _data, 0, KeyPair::create().sec());
bytes transactionRLP = t.rlp();
try
{
// this will throw since the transaction is invalid, but it should nevertheless store the transaction
executive.setup(&transactionRLP);
}
catch (...) {}
if (_isCreation)
{
BOOST_REQUIRE(!executive.create(m_sender, _value, m_gasPrice, m_gas, &_data, m_sender));
m_contractAddress = executive.newAddress();
BOOST_REQUIRE(m_contractAddress);
BOOST_REQUIRE(m_state.addressHasCode(m_contractAddress));
}
else
{
BOOST_REQUIRE(m_state.addressHasCode(m_contractAddress));
BOOST_REQUIRE(!executive.call(m_contractAddress, m_sender, _value, m_gasPrice, &_data, m_gas, m_sender));
}
BOOST_REQUIRE(executive.go());
m_state.noteSending(m_sender);
executive.finalize();
m_output = executive.out().toVector();
}
protected:
bool m_optimize = false;
Address m_sender;
Address m_contractAddress;
eth::State m_state;
u256 const m_gasPrice = 100 * eth::szabo;
u256 const m_gas = 1000000;
bytes m_output;
};
}
}
} // end namespaces

131
test/solidityOptimizerTest.cpp
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@ -0,0 +1,131 @@
/*
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 2014
* Tests for the Solidity optimizer.
*/
#include <string>
#include <tuple>
#include <boost/test/unit_test.hpp>
#include <boost/lexical_cast.hpp>
#include <test/solidityExecutionFramework.h>
using namespace std;
namespace dev
{
namespace solidity
{
namespace test
{
class OptimizerTestFramework: public ExecutionFramework
{
public:
OptimizerTestFramework() { }
/// Compiles the source code with and without optimizing.
void compileBothVersions(unsigned _expectedSizeDecrease, std::string const& _sourceCode, u256 const& _value = 0, std::string const& _contractName = "") {
m_optimize = false;
bytes nonOptimizedBytecode = compileAndRun(_sourceCode, _value, _contractName);
m_nonOptimizedContract = m_contractAddress;
m_optimize = true;
bytes optimizedBytecode = compileAndRun(_sourceCode, _value, _contractName);
int sizeDiff = nonOptimizedBytecode.size() - optimizedBytecode.size();
BOOST_CHECK_MESSAGE(sizeDiff >= _expectedSizeDecrease, "Bytecode did only shrink by "
+ boost::lexical_cast<string>(sizeDiff) + " bytes, expected: "
+ boost::lexical_cast<string>(_expectedSizeDecrease));
m_optimizedContract = m_contractAddress;
}
template <class... Args>
void compareVersions(byte _index, Args const&... _arguments)
{
m_contractAddress = m_nonOptimizedContract;
bytes nonOptimizedOutput = callContractFunction(_index, _arguments...);
m_contractAddress = m_optimizedContract;
bytes optimizedOutput = callContractFunction(_index, _arguments...);
BOOST_CHECK_MESSAGE(nonOptimizedOutput == optimizedOutput, "Computed values do not match."
"\nNon-Optimized: " + toHex(nonOptimizedOutput) +
"\nOptimized: " + toHex(optimizedOutput));
}
protected:
Address m_optimizedContract;
Address m_nonOptimizedContract;
};
BOOST_FIXTURE_TEST_SUITE(SolidityOptimizerTest, OptimizerTestFramework)
BOOST_AUTO_TEST_CASE(smoke_test)
{
char const* sourceCode = R"(
contract test {
function f(uint a) returns (uint b) {
return a;
}
})";
compileBothVersions(4, sourceCode);
compareVersions(0, u256(7));
}
BOOST_AUTO_TEST_CASE(large_integers)
{
char const* sourceCode = R"(
contract test {
function f() returns (uint a, uint b) {
a = 0x234234872642837426347000000;
b = 0x110000000000000000000000002;
}
})";
compileBothVersions(28, sourceCode);
compareVersions(0);
}
BOOST_AUTO_TEST_CASE(invariants)
{
char const* sourceCode = R"(
contract test {
function f(uint a) returns (uint b) {
return (((a + (1 - 1)) ^ 0) | 0) & (uint(0) - 1);
}
})";
compileBothVersions(19, sourceCode);
compareVersions(0, u256(0x12334664));
}
BOOST_AUTO_TEST_CASE(unused_expressions)
{
char const* sourceCode = R"(
contract test {
uint data;
function f() returns (uint a, uint b) {
10 + 20;
data;
}
})";
compileBothVersions(11, sourceCode);
compareVersions(0);
}
BOOST_AUTO_TEST_SUITE_END()
}
}
} // end namespaces
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