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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/>.
*/
#pragma once
#include <boost/filesystem.hpp>
#include <iosfwd>
#include <memory>
#include <string>
namespace dev
{
namespace solidity
{
namespace test
{
/** Common superclass of SyntaxTest and SemanticsTest. */
class TestCase
{
public:
using TestCaseCreator = std::unique_ptr<TestCase>(*)(std::string const&);
virtual ~TestCase() = default;
/// Runs the test case.
/// Outputs error messages to @arg _stream. Each line of output is prefixed with @arg _linePrefix.
/// Optionally, color-coding can be enabled (if @arg _formatted is set to true).
/// @returns true, if the test case succeeds, false otherwise
virtual bool run(std::ostream& _stream, std::string const& _linePrefix = "", bool const _formatted = false) = 0;
/// Outputs the test contract to @arg _stream.
/// Each line of output is prefixed with @arg _linePrefix.
/// If @arg _formatted is true, color-coding may be used to indicate
/// error locations in the contract, if applicable.
virtual void printSource(std::ostream &_stream, std::string const &_linePrefix = "", bool const _formatted = false) const = 0;
/// Outputs test expectations to @arg _stream that match the actual results of the test.
/// Each line of output is prefixed with @arg _linePrefix.
virtual void printUpdatedExpectations(std::ostream& _stream, std::string const& _linePrefix) const = 0;
static bool isTestFilename(boost::filesystem::path const& _filename);
protected:
static std::string parseSource(std::istream& _file);
static void expect(std::string::iterator& _it, std::string::iterator _end, std::string::value_type _c);
template<typename IteratorType>
static void skipWhitespace(IteratorType& _it, IteratorType _end)
{
while (_it != _end && isspace(*_it))
++_it;
}
template<typename IteratorType>
static void skipSlashes(IteratorType& _it, IteratorType _end)
{
while (_it != _end && *_it == '/')
++_it;
}
};
}
}
}
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