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			144 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			144 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|     This file is part of solidity.
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| 
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|     solidity is free software: you can redistribute it and/or modify
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|     it under the terms of the GNU General Public License as published by
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|     the Free Software Foundation, either version 3 of the License, or
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|     (at your option) any later version.
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| 
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|     solidity is distributed in the hope that it will be useful,
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|     but WITHOUT ANY WARRANTY; without even the implied warranty of
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|     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|     GNU General Public License for more details.
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| 
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|     You should have received a copy of the GNU General Public License
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|     along with solidity.  If not, see <http://www.gnu.org/licenses/>.
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| */
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| /**
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|  * Unit tests for the SMT checker.
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|  */
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| 
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| #include <test/libsolidity/AnalysisFramework.h>
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| #include <test/Common.h>
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| 
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| #include <boost/test/unit_test.hpp>
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| 
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| #include <string>
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| 
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| using namespace std;
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| using namespace solidity::langutil;
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| 
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| namespace solidity::frontend::test
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| {
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| 
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| class SMTCheckerFramework: public AnalysisFramework
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| {
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| protected:
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| 	std::pair<SourceUnit const*, ErrorList>
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| 	parseAnalyseAndReturnError(
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| 		std::string const& _source,
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| 		bool _reportWarnings = false,
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| 		bool _insertLicenseAndVersionPragma = true,
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| 		bool _allowMultipleErrors = false,
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| 		bool _allowRecoveryErrors = false
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| 	) override
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| 	{
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| 		return AnalysisFramework::parseAnalyseAndReturnError(
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| 			"pragma experimental SMTChecker;\n" + _source,
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| 			_reportWarnings,
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| 			_insertLicenseAndVersionPragma,
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| 			_allowMultipleErrors,
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| 			_allowRecoveryErrors
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| 		);
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| 	}
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| };
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| 
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| BOOST_FIXTURE_TEST_SUITE(SMTChecker, SMTCheckerFramework)
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| 
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| BOOST_AUTO_TEST_CASE(import_base, *boost::unit_test::label("no_options"))
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| {
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| 	CompilerStack c;
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| 	c.setSources({
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| 	{"base", R"(
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| 		pragma solidity >=0.0;
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| 		contract Base {
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| 			uint x;
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| 			address a;
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| 			function f() internal returns (uint) {
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| 				a = address(this);
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| 				++x;
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| 				return 2;
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| 			}
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| 		}
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| 	)"},
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| 	{"der", R"(
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| 		pragma solidity >=0.0;
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| 		pragma experimental SMTChecker;
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| 		import "base";
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| 		contract Der is Base {
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| 			function g(uint y) public {
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| 				x += f();
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| 				assert(y > x);
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| 			}
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| 		}
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| 	)"}
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| 	});
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| 	c.setEVMVersion(solidity::test::CommonOptions::get().evmVersion());
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| 	BOOST_CHECK(c.compile());
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| 
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| 	unsigned asserts = 0;
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| 	for (auto const& e: c.errors())
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| 	{
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| 		string const* msg = e->comment();
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| 		BOOST_REQUIRE(msg);
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| 		if (msg->find("Assertion violation") != string::npos)
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| 			++asserts;
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| 	}
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| 	BOOST_CHECK_EQUAL(asserts, 1);
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| }
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| 
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| BOOST_AUTO_TEST_CASE(import_library, *boost::unit_test::label("no_options"))
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| {
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| 	CompilerStack c;
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| 	c.setSources({
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| 	{"lib", R"(
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| 		pragma solidity >=0.0;
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| 		library L {
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| 			uint constant one = 1;
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| 			function f() internal pure returns (uint) {
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| 				return one;
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| 			}
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| 		}
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| 	)"},
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| 	{"c", R"(
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| 		pragma solidity >=0.0;
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| 		pragma experimental SMTChecker;
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| 		import "lib";
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| 		contract C {
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| 			function g(uint x) public pure {
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| 				uint y = L.f();
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| 				assert(x > y);
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| 			}
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| 		}
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| 	)"}
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| 	});
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| 	c.setEVMVersion(solidity::test::CommonOptions::get().evmVersion());
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| 	BOOST_CHECK(c.compile());
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| 
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| 	unsigned asserts = 0;
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| 	for (auto const& e: c.errors())
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| 	{
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| 		string const* msg = e->comment();
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| 		BOOST_REQUIRE(msg);
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| 		if (msg->find("Assertion violation") != string::npos)
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| 			++asserts;
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| 	}
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| 	BOOST_CHECK_EQUAL(asserts, 1);
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| 
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| }
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| 
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| 
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| BOOST_AUTO_TEST_SUITE_END()
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| 
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| }
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