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			99 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			99 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| 	This file is part of cpp-ethereum.
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| 
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| 	cpp-ethereum 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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| 	cpp-ethereum 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 cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
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| */
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| /**
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|  * @author Christian <c@ethdev.com>
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|  * @date 2015
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|  * Unit tests for the gas estimator.
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|  */
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| 
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| #include <test/libsolidity/solidityExecutionFramework.h>
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| #include <libsolidity/AST.h>
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| #include <libsolidity/StructuralGasEstimator.h>
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| #include <libsolidity/SourceReferenceFormatter.h>
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| 
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| using namespace std;
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| using namespace dev::eth;
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| using namespace dev::solidity;
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| 
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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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| 
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| class GasMeterTestFramework: public ExecutionFramework
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| {
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| public:
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| 	GasMeterTestFramework() { }
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| 	void compile(string const& _sourceCode)
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| 	{
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| 		m_compiler.setSource(_sourceCode);
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| 		ETH_TEST_REQUIRE_NO_THROW(m_compiler.compile(), "Compiling contract failed");
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| 
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| 		StructuralGasEstimator estimator;
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| 		AssemblyItems const* items = m_compiler.getRuntimeAssemblyItems("");
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| 		ASTNode const& sourceUnit = m_compiler.getAST();
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| 		BOOST_REQUIRE(items != nullptr);
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| 		m_gasCosts = estimator.breakToStatementLevel(
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| 			estimator.performEstimation(*items, vector<ASTNode const*>({&sourceUnit})),
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| 			{&sourceUnit}
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| 		);
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| 	}
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| 
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| protected:
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| 	dev::solidity::CompilerStack m_compiler;
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| 	map<ASTNode const*, eth::GasMeter::GasConsumption> m_gasCosts;
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| };
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| 
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| BOOST_FIXTURE_TEST_SUITE(GasMeterTests, GasMeterTestFramework)
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| 
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| BOOST_AUTO_TEST_CASE(non_overlapping_filtered_costs)
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| {
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| 	char const* sourceCode = R"(
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| 		contract test {
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| 			bytes x;
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| 			function f(uint a) returns (uint b) {
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| 				x.length = a;
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| 				for (; a < 200; ++a) {
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| 					x[a] = 9;
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| 					b = a * a;
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| 				}
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| 				return f(a - 1);
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| 			}
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| 		}
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| 	)";
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| 	compile(sourceCode);
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| 	for (auto first = m_gasCosts.cbegin(); first != m_gasCosts.cend(); ++first)
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| 	{
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| 		auto second = first;
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| 		for (++second; second != m_gasCosts.cend(); ++second)
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| 			if (first->first->getLocation().intersects(second->first->getLocation()))
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| 			{
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| 				BOOST_CHECK_MESSAGE(false, "Source locations should not overlap!");
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| 				SourceReferenceFormatter::printSourceLocation(cout, first->first->getLocation(), m_compiler.getScanner());
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| 				SourceReferenceFormatter::printSourceLocation(cout, second->first->getLocation(), m_compiler.getScanner());
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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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| }
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| }
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