2017-09-28 08:59:34 +00:00
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/*
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This file is part of solidity.
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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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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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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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#include <test/libsolidity/AnalysisFramework.h>
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#include <boost/test/unit_test.hpp>
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#include <string>
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using namespace std;
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namespace dev
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{
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namespace solidity
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{
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namespace test
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{
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class SMTCheckerFramework: public AnalysisFramework
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{
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public:
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SMTCheckerFramework()
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{
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m_warningsToFilter.push_back("Experimental features are turned on.");
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}
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protected:
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virtual std::pair<SourceUnit const*, std::shared_ptr<Error const>>
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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 _insertVersionPragma = true,
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bool _allowMultipleErrors = false
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)
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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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_insertVersionPragma,
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_allowMultipleErrors
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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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BOOST_AUTO_TEST_CASE(smoke_test)
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{
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string text = R"(
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contract C { }
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)";
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CHECK_SUCCESS_NO_WARNINGS(text);
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}
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BOOST_AUTO_TEST_CASE(simple_overflow)
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{
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string text = R"(
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contract C {
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function f(uint a, uint b) public pure returns (uint) { return a + b; }
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}
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)";
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CHECK_WARNING(text, "Overflow (resulting value larger than");
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}
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2017-10-04 11:18:40 +00:00
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BOOST_AUTO_TEST_CASE(warn_on_typecast)
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{
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string text = R"(
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contract C {
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function f() public pure returns (uint) {
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return uint8(1);
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}
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}
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)";
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CHECK_WARNING(text, "Assertion checker does not yet implement this expression.");
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}
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BOOST_AUTO_TEST_CASE(warn_on_struct)
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{
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string text = R"(
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contract C {
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struct A { uint a; uint b; }
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function f() public pure returns (A) {
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return A({ a: 1, b: 2 });
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}
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}
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)";
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/// Multiple warnings, should check for: Assertion checker does not yet implement this expression.
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CHECK_WARNING_ALLOW_MULTI(text, "");
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}
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2017-09-28 08:59:34 +00:00
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BOOST_AUTO_TEST_SUITE_END()
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}
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}
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}
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