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			111 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			111 lines
		
	
	
		
			3.2 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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// SPDX-License-Identifier: GPL-3.0
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/**
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 * @date 2017
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 * Unit tests for the Yul function inliner.
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 */
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#include <test/libyul/Common.h>
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#include <libyul/optimiser/ExpressionInliner.h>
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#include <libyul/optimiser/InlinableExpressionFunctionFinder.h>
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#include <libyul/optimiser/FullInliner.h>
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#include <libyul/optimiser/FunctionHoister.h>
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#include <libyul/optimiser/FunctionGrouper.h>
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#include <libyul/AST.h>
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#include <boost/test/unit_test.hpp>
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#include <boost/algorithm/string/join.hpp>
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using namespace std;
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using namespace solidity;
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using namespace solidity::util;
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using namespace solidity::yul;
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using namespace solidity::yul::test;
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namespace
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{
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string inlinableFunctions(string const& _source)
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{
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	auto ast = disambiguate(_source);
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	InlinableExpressionFunctionFinder funFinder;
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	funFinder(ast);
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	vector<string> functionNames;
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	for (auto const& f: funFinder.inlinableFunctions())
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		functionNames.emplace_back(f.first.str());
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	return boost::algorithm::join(functionNames, ",");
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}
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}
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BOOST_AUTO_TEST_SUITE(YulInlinableFunctionFilter)
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BOOST_AUTO_TEST_CASE(smoke_test)
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{
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	BOOST_CHECK_EQUAL(inlinableFunctions("{ }"), "");
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}
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BOOST_AUTO_TEST_CASE(simple)
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{
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	BOOST_CHECK_EQUAL(inlinableFunctions("{ function f() -> x:u256 { x := 2:u256 } }"), "f");
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	BOOST_CHECK_EQUAL(inlinableFunctions("{"
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		"function g(a:u256) -> b:u256 { b := a }"
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		"function f() -> x:u256 { x := g(2:u256) }"
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	"}"), "g,f");
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}
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BOOST_AUTO_TEST_CASE(simple_inside_structures)
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{
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	BOOST_CHECK_EQUAL(inlinableFunctions("{"
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		"switch 2:u256 "
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		"case 2:u256 {"
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			"function g(a:u256) -> b:u256 { b := a }"
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			"function f() -> x:u256 { x := g(2:u256) }"
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		"}"
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	"}"), "g,f");
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	BOOST_CHECK_EQUAL(inlinableFunctions("{"
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		"function g(a:u256) -> b:u256 { b := a }"
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		"for {"
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		"} true {"
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			"function f() -> x:u256 { x := g(2:u256) }"
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		"}"
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		"{"
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			"function h() -> y:u256 { y := 2:u256 }"
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		"}"
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	"}"), "h,g,f");
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}
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BOOST_AUTO_TEST_CASE(negative)
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{
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	BOOST_CHECK_EQUAL(inlinableFunctions("{ function f() -> x:u256 { } }"), "");
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	BOOST_CHECK_EQUAL(inlinableFunctions("{ function f() -> x:u256 { x := 2:u256 {} } }"), "");
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	BOOST_CHECK_EQUAL(inlinableFunctions("{ function f() -> x:u256 { x := f() } }"), "");
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	BOOST_CHECK_EQUAL(inlinableFunctions("{ function f() -> x:u256 { x := x } }"), "");
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	BOOST_CHECK_EQUAL(inlinableFunctions("{ function f() -> x:u256, y:u256 { x := 2:u256 } }"), "");
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  BOOST_CHECK_EQUAL(inlinableFunctions(
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    "{ function g() -> x:u256, y:u256 {} function f(y:u256) -> x:u256 { x,y := g() } }"), "");
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	BOOST_CHECK_EQUAL(inlinableFunctions("{ function f(y:u256) -> x:u256 { y := 2:u256 } }"), "");
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}
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BOOST_AUTO_TEST_SUITE_END()
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