solidity/test/libsolidity/SemanticTest.cpp

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/*
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/>.
*/
#include <test/libsolidity/SemanticTest.h>
#include <test/Common.h>
#include <boost/algorithm/string.hpp>
#include <boost/algorithm/string/predicate.hpp>
#include <boost/algorithm/string/trim.hpp>
#include <boost/throw_exception.hpp>
#include <algorithm>
#include <cctype>
#include <fstream>
#include <memory>
#include <stdexcept>
using namespace std;
using namespace solidity;
using namespace solidity::util;
using namespace solidity::util::formatting;
using namespace solidity::frontend::test;
using namespace boost;
using namespace boost::algorithm;
using namespace boost::unit_test;
namespace fs = boost::filesystem;
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SemanticTest::SemanticTest(string const& _filename, langutil::EVMVersion _evmVersion):
SolidityExecutionFramework(_evmVersion)
{
ifstream file(_filename);
soltestAssert(file, "Cannot open test contract: \"" + _filename + "\".");
file.exceptions(ios::badbit);
std::tie(m_source, m_lineOffset) = parseSourceAndSettingsWithLineNumbers(file);
if (m_settings.count("compileViaYul"))
{
if (m_settings["compileViaYul"] == "also")
{
m_validatedSettings["compileViaYul"] = m_settings["compileViaYul"];
m_runWithYul = true;
m_runWithoutYul = true;
}
else
{
m_validatedSettings["compileViaYul"] = "only";
m_runWithYul = true;
m_runWithoutYul = false;
}
m_settings.erase("compileViaYul");
}
if (m_settings.count("ABIEncoderV1Only"))
{
if (m_settings["ABIEncoderV1Only"] == "true")
{
m_validatedSettings["ABIEncoderV1Only"] = "true";
m_runWithABIEncoderV1Only = true;
}
m_settings.erase("ABIEncoderV1Only");
}
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if (m_settings.count("revertStrings"))
{
auto revertStrings = revertStringsFromString(m_settings["revertStrings"]);
if (revertStrings)
m_revertStrings = *revertStrings;
m_validatedSettings["revertStrings"] = revertStringsToString(m_revertStrings);
m_settings.erase("revertStrings");
}
parseExpectations(file);
soltestAssert(!m_tests.empty(), "No tests specified in " + _filename);
}
bool SemanticTest::validateSettings(langutil::EVMVersion _evmVersion)
{
if (m_runWithABIEncoderV1Only && solidity::test::CommonOptions::get().useABIEncoderV2)
return false;
return EVMVersionRestrictedTestCase::validateSettings(_evmVersion);
}
TestCase::TestResult SemanticTest::run(ostream& _stream, string const& _linePrefix, bool _formatted)
{
for(bool compileViaYul: set<bool>{!m_runWithoutYul, m_runWithYul})
{
bool success = true;
m_compileViaYul = compileViaYul;
if (compileViaYul)
AnsiColorized(_stream, _formatted, {BOLD, CYAN}) << _linePrefix << "Running via Yul:" << endl;
for (auto& test: m_tests)
test.reset();
map<string, solidity::test::Address> libraries;
bool constructed = false;
for (auto& test: m_tests)
{
if (constructed)
{
soltestAssert(!test.call().isLibrary, "Libraries have to be deployed before any other call.");
soltestAssert(!test.call().isConstructor, "Constructor has to be the first function call expect for library deployments.");
}
else if (test.call().isLibrary)
{
soltestAssert(
deploy(test.call().signature, 0, {}, libraries) && m_transactionSuccessful,
"Failed to deploy library " + test.call().signature
);
libraries[test.call().signature] = m_contractAddress;
continue;
}
else
{
if (test.call().isConstructor)
deploy("", test.call().value, test.call().arguments.rawBytes(), libraries);
else
soltestAssert(deploy("", 0, bytes(), libraries), "Failed to deploy contract.");
constructed = true;
}
if (test.call().isConstructor)
{
if (m_transactionSuccessful == test.call().expectations.failure)
success = false;
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test.setFailure(!m_transactionSuccessful);
test.setRawBytes(bytes());
}
else
{
bytes output = test.call().useCallWithoutSignature ?
callLowLevel(test.call().arguments.rawBytes(), test.call().value) :
callContractFunctionWithValueNoEncoding(
test.call().signature,
test.call().value,
test.call().arguments.rawBytes()
);
if ((m_transactionSuccessful == test.call().expectations.failure) || (output != test.call().expectations.rawBytes()))
success = false;
test.setFailure(!m_transactionSuccessful);
test.setRawBytes(std::move(output));
test.setContractABI(m_compiler.contractABI(m_compiler.lastContractName()));
}
}
if (!success)
{
AnsiColorized(_stream, _formatted, {BOLD, CYAN}) << _linePrefix << "Expected result:" << endl;
for (auto const& test: m_tests)
{
ErrorReporter errorReporter;
_stream << test.format(errorReporter, _linePrefix, false, _formatted) << endl;
_stream << errorReporter.format(_linePrefix, _formatted);
}
_stream << endl;
AnsiColorized(_stream, _formatted, {BOLD, CYAN}) << _linePrefix << "Obtained result:" << endl;
for (auto const& test: m_tests)
{
ErrorReporter errorReporter;
_stream << test.format(errorReporter, _linePrefix, true, _formatted) << endl;
_stream << errorReporter.format(_linePrefix, _formatted);
}
AnsiColorized(_stream, _formatted, {BOLD, RED}) << _linePrefix << endl << _linePrefix
<< "Attention: Updates on the test will apply the detected format displayed." << endl;
if (compileViaYul && m_runWithoutYul)
{
_stream << _linePrefix << endl << _linePrefix;
AnsiColorized(_stream, _formatted, {RED_BACKGROUND}) << "Note that the test passed without Yul.";
_stream << endl;
}
else if (!compileViaYul && m_runWithYul)
AnsiColorized(_stream, _formatted, {BOLD, YELLOW}) << _linePrefix << endl << _linePrefix
<< "Note that the test also has to pass via Yul." << endl;
return TestResult::Failure;
}
}
return TestResult::Success;
}
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void SemanticTest::printSource(ostream& _stream, string const& _linePrefix, bool) const
{
stringstream stream(m_source);
string line;
while (getline(stream, line))
_stream << _linePrefix << line << endl;
}
void SemanticTest::printUpdatedExpectations(ostream& _stream, string const&) const
{
for (auto const& test: m_tests)
_stream << test.format("", true, false) << endl;
}
void SemanticTest::parseExpectations(istream& _stream)
{
TestFileParser parser{_stream};
auto functionCalls = parser.parseFunctionCalls(m_lineOffset);
std::move(functionCalls.begin(), functionCalls.end(), back_inserter(m_tests));
}
bool SemanticTest::deploy(string const& _contractName, u256 const& _value, bytes const& _arguments, map<string, solidity::test::Address> const& _libraries)
{
auto output = compileAndRunWithoutCheck(m_source, _value, _contractName, _arguments, _libraries);
return !output.empty() && m_transactionSuccessful;
}