solidity/test/libsolidity/SMTChecker.cpp

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2017-09-28 08:59:34 +00:00
/*
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_CASE(warn_on_typecast)
{
string text = R"(
contract C {
function f() public pure returns (uint) {
return uint8(1);
}
}
)";
CHECK_WARNING(text, "Assertion checker does not yet implement this expression.");
}
BOOST_AUTO_TEST_CASE(warn_on_struct)
{
string text = R"(
contract C {
struct A { uint a; uint b; }
function f() public pure returns (A) {
return A({ a: 1, b: 2 });
}
}
)";
/// Multiple warnings, should check for: Assertion checker does not yet implement this expression.
CHECK_WARNING_ALLOW_MULTI(text, "");
}
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BOOST_AUTO_TEST_SUITE_END()
}
}
}