mirror of
				https://github.com/ethereum/solidity
				synced 2023-10-03 13:03:40 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			150 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			150 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
 | 
						|
    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 <test/Options.h>
 | 
						|
 | 
						|
#include <boost/test/unit_test.hpp>
 | 
						|
 | 
						|
#include <string>
 | 
						|
 | 
						|
using namespace std;
 | 
						|
using namespace langutil;
 | 
						|
 | 
						|
namespace dev
 | 
						|
{
 | 
						|
namespace solidity
 | 
						|
{
 | 
						|
namespace test
 | 
						|
{
 | 
						|
 | 
						|
class SMTCheckerFramework: public AnalysisFramework
 | 
						|
{
 | 
						|
protected:
 | 
						|
	virtual std::pair<SourceUnit const*, ErrorList>
 | 
						|
	parseAnalyseAndReturnError(
 | 
						|
		std::string const& _source,
 | 
						|
		bool _reportWarnings = false,
 | 
						|
		bool _insertVersionPragma = true,
 | 
						|
		bool _allowMultipleErrors = false,
 | 
						|
		bool _allowRecoveryErrors = false
 | 
						|
	)
 | 
						|
	{
 | 
						|
		return AnalysisFramework::parseAnalyseAndReturnError(
 | 
						|
			"pragma experimental SMTChecker;\n" + _source,
 | 
						|
			_reportWarnings,
 | 
						|
			_insertVersionPragma,
 | 
						|
			_allowMultipleErrors,
 | 
						|
			_allowRecoveryErrors
 | 
						|
		);
 | 
						|
	}
 | 
						|
};
 | 
						|
 | 
						|
BOOST_FIXTURE_TEST_SUITE(SMTChecker, SMTCheckerFramework)
 | 
						|
 | 
						|
BOOST_AUTO_TEST_CASE(import_base)
 | 
						|
{
 | 
						|
	CompilerStack c;
 | 
						|
	c.setSources({
 | 
						|
	{"base", R"(
 | 
						|
		pragma solidity >=0.0;
 | 
						|
		contract Base {
 | 
						|
			uint x;
 | 
						|
			address a;
 | 
						|
			function f() internal returns (uint) {
 | 
						|
				a = address(this);
 | 
						|
				++x;
 | 
						|
				return 2;
 | 
						|
			}
 | 
						|
		}
 | 
						|
	)"},
 | 
						|
	{"der", R"(
 | 
						|
		pragma solidity >=0.0;
 | 
						|
		pragma experimental SMTChecker;
 | 
						|
		import "base";
 | 
						|
		contract Der is Base {
 | 
						|
			function g(uint y) public {
 | 
						|
				x += f();
 | 
						|
				assert(y > x);
 | 
						|
			}
 | 
						|
		}
 | 
						|
	)"}
 | 
						|
	});
 | 
						|
	c.setEVMVersion(dev::test::Options::get().evmVersion());
 | 
						|
	BOOST_CHECK(c.compile());
 | 
						|
 | 
						|
	unsigned asserts = 0;
 | 
						|
	for (auto const& e: c.errors())
 | 
						|
	{
 | 
						|
		string const* msg = e->comment();
 | 
						|
		BOOST_REQUIRE(msg);
 | 
						|
		if (msg->find("Assertion violation") != string::npos)
 | 
						|
			++asserts;
 | 
						|
	}
 | 
						|
	BOOST_CHECK_EQUAL(asserts, 1);
 | 
						|
}
 | 
						|
 | 
						|
BOOST_AUTO_TEST_CASE(import_library)
 | 
						|
{
 | 
						|
	CompilerStack c;
 | 
						|
	c.setSources({
 | 
						|
	{"lib", R"(
 | 
						|
		pragma solidity >=0.0;
 | 
						|
		library L {
 | 
						|
			uint constant one = 1;
 | 
						|
			function f() internal pure returns (uint) {
 | 
						|
				return one;
 | 
						|
			}
 | 
						|
		}
 | 
						|
	)"},
 | 
						|
	{"c", R"(
 | 
						|
		pragma solidity >=0.0;
 | 
						|
		pragma experimental SMTChecker;
 | 
						|
		import "lib";
 | 
						|
		contract C {
 | 
						|
			function g(uint x) public pure {
 | 
						|
				uint y = L.f();
 | 
						|
				assert(x > y);
 | 
						|
			}
 | 
						|
		}
 | 
						|
	)"}
 | 
						|
	});
 | 
						|
	c.setEVMVersion(dev::test::Options::get().evmVersion());
 | 
						|
	BOOST_CHECK(c.compile());
 | 
						|
 | 
						|
	unsigned asserts = 0;
 | 
						|
	for (auto const& e: c.errors())
 | 
						|
	{
 | 
						|
		string const* msg = e->comment();
 | 
						|
		BOOST_REQUIRE(msg);
 | 
						|
		if (msg->find("Assertion violation") != string::npos)
 | 
						|
			++asserts;
 | 
						|
	}
 | 
						|
	BOOST_CHECK_EQUAL(asserts, 1);
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
BOOST_AUTO_TEST_SUITE_END()
 | 
						|
 | 
						|
}
 | 
						|
}
 | 
						|
}
 |