mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
/*
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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 stack shuffling.
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*/
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#include <libyul/backends/evm/StackHelpers.h>
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#include <boost/test/unit_test.hpp>
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using namespace std;
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using namespace solidity::langutil;
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namespace solidity::yul::test
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{
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BOOST_AUTO_TEST_SUITE(YulStackShuffling)
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BOOST_AUTO_TEST_CASE(swap_cycle)
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{
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std::vector<Scope::Variable> scopeVariables;
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Scope::Function function;
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std::vector<VariableSlot> v;
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for (size_t i = 0; i < 17; ++i)
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scopeVariables.emplace_back(Scope::Variable{""_yulstring, YulString{"v" + to_string(i)}});
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for (size_t i = 0; i < 17; ++i)
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v.emplace_back(VariableSlot{scopeVariables[i]});
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Stack sourceStack{
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v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[9], v[10], v[11], v[12], v[13], v[14], v[15], v[16],
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FunctionReturnLabelSlot{function}, FunctionReturnLabelSlot{function}, v[5]};
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Stack targetStack{
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v[1], v[0], v[2], v[3], v[4], v[5], v[6], v[7], v[9], v[10], v[11], v[12], v[13], v[14], v[15], v[16],
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FunctionReturnLabelSlot{function}, JunkSlot{}, JunkSlot{}
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};
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// Used to hit a swapping cycle.
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createStackLayout(sourceStack, targetStack, [](auto){}, [](auto){}, [](){});
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}
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BOOST_AUTO_TEST_SUITE_END()
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}
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