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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/>.
*/
/**
 * Unit tests for the SMT checker.
 */

#include <test/libsolidity/AnalysisFramework.h>

#include <boost/test/unit_test.hpp>

#include <string>

using namespace std;

namespace dev
{
namespace solidity
{
namespace test
{

class SMTCheckerFramework: public AnalysisFramework
{
public:
    SMTCheckerFramework()
    {
        m_warningsToFilter.push_back("Experimental features are turned on.");
    }

protected:
    virtual std::pair<SourceUnit const*, std::shared_ptr<Error const>>
    parseAnalyseAndReturnError(
        std::string const& _source,
        bool _reportWarnings = false,
        bool _insertVersionPragma = true,
        bool _allowMultipleErrors = false
    )
    {
        return AnalysisFramework::parseAnalyseAndReturnError(
            "pragma experimental SMTChecker;\n" + _source,
            _reportWarnings,
            _insertVersionPragma,
            _allowMultipleErrors
        );
    }
};

BOOST_FIXTURE_TEST_SUITE(SMTChecker, SMTCheckerFramework)

BOOST_AUTO_TEST_CASE(smoke_test)
{
    string text = R"(
        contract C { }
    )";
    CHECK_SUCCESS_NO_WARNINGS(text);
}

BOOST_AUTO_TEST_CASE(simple_overflow)
{
    string text = R"(
        contract C {
            function f(uint a, uint b) public pure returns (uint) { return a + b; }
        }
    )";
    CHECK_WARNING(text, "Overflow (resulting value larger than");
}

BOOST_AUTO_TEST_SUITE_END()

}
}
}