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/*
This file is part of solidity.
solidity is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
solidity is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with solidity. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @date 2017
* Unit tests for the pruning of unused variables and functions.
*/
#include <test/libjulia/Common.h>
#include <libjulia/optimiser/UnusedPruner.h>
#include <libsolidity/inlineasm/AsmPrinter.h>
#include <boost/test/unit_test.hpp>
#include <boost/range/adaptors.hpp>
#include <boost/algorithm/string/join.hpp>
using namespace std;
using namespace dev;
using namespace dev::julia;
using namespace dev::julia::test;
using namespace dev::solidity;
#define CHECK(_original, _expectation)\
do\
{\
assembly::AsmPrinter p;\
Block b = disambiguate(_original, false);\
UnusedPruner::runUntilStabilised(b);\
string result = p(b);\
BOOST_CHECK_EQUAL(result, format(_expectation, false));\
}\
while(false)
BOOST_AUTO_TEST_SUITE(YulUnusedPruner)
BOOST_AUTO_TEST_CASE(smoke_test)
{
CHECK("{ }", "{ }");
}
BOOST_AUTO_TEST_CASE(trivial)
{
CHECK(
"{ let a := 1 let b := 1 mstore(0, 1) }",
"{ mstore(0, 1) }"
);
}
BOOST_AUTO_TEST_CASE(multi_declarations)
{
CHECK(
"{ let x, y }",
"{ }"
);
}
BOOST_AUTO_TEST_CASE(multi_assignments)
{
CHECK(
"{ let x, y x := 1 y := 2 }",
"{ let x, y x := 1 y := 2 }"
);
}
BOOST_AUTO_TEST_CASE(multi_partial_assignments)
{
CHECK(
"{ let x, y x := 1 }",
"{ let x, y x := 1 }"
);
}
BOOST_AUTO_TEST_CASE(functions)
{
CHECK(
"{ function f() { let a := 1 } function g() { f() } }",
"{ }"
);
}
BOOST_AUTO_TEST_CASE(intermediate_assignment)
{
CHECK(
"{ let a := 1 a := 4 let b := 1 }",
"{ let a := 1 a := 4 }"
);
}
BOOST_AUTO_TEST_CASE(intermediate_multi_assignment){
CHECK(
"{ let a, b function f() -> x { } a := f() b := 1 }",
"{ let a, b function f() -> x { } a := f() b := 1 }"
);
}
BOOST_AUTO_TEST_CASE(multi_declare)
{
CHECK(
"{ function f() -> x, y { } let a, b := f() }",
"{ function f() -> x, y { } let a, b := f() }"
);
}
BOOST_AUTO_TEST_CASE(multi_assign)
{
CHECK(
"{ let a let b function f() -> x, y { } a, b := f() }",
"{ let a let b function f() -> x, y { } a, b := f() }"
);
}
BOOST_AUTO_TEST_SUITE_END()
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