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99 lines
2.7 KiB
99 lines
2.7 KiB
10 years ago
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/*
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This file is part of cpp-ethereum.
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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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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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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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#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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using namespace std;
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using namespace dev::eth;
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using namespace dev::solidity;
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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 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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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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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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BOOST_FIXTURE_TEST_SUITE(GasMeterTests, GasMeterTestFramework)
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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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BOOST_AUTO_TEST_SUITE_END()
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}
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}
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}
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