solidity/test/yulPhaser/FitnessMetrics.cpp

114 lines
3.6 KiB
C++

/*
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/>.
*/
#include <tools/yulPhaser/FitnessMetrics.h>
#include <libyul/optimiser/EquivalentFunctionCombiner.h>
#include <libyul/optimiser/UnusedPruner.h>
#include <liblangutil/CharStream.h>
#include <boost/test/unit_test.hpp>
using namespace std;
using namespace solidity::langutil;
using namespace solidity::yul;
namespace solidity::phaser::test
{
class FitnessMetricFixture
{
protected:
FitnessMetricFixture():
m_sourceStream(SampleSourceCode, ""),
m_program(get<Program>(Program::load(m_sourceStream))) {}
static constexpr char SampleSourceCode[] =
"{\n"
" function foo() -> result\n"
" {\n"
" let x := 1\n"
" result := 15\n"
" }\n"
" function bar() -> result\n"
" {\n"
" result := 15\n"
" }\n"
" mstore(foo(), bar())\n"
"}\n";
CharStream m_sourceStream;
Program m_program;
};
BOOST_AUTO_TEST_SUITE(Phaser)
BOOST_AUTO_TEST_SUITE(FitnessMetricsTest)
BOOST_AUTO_TEST_SUITE(ProgramSizeTest)
BOOST_FIXTURE_TEST_CASE(evaluate_should_compute_size_of_the_optimised_program, FitnessMetricFixture)
{
Chromosome chromosome(vector<string>{UnusedPruner::name, EquivalentFunctionCombiner::name});
Program optimisedProgram = m_program;
optimisedProgram.optimise(chromosome.optimisationSteps());
assert(m_program.codeSize() != optimisedProgram.codeSize());
BOOST_TEST(ProgramSize(m_program).evaluate(chromosome) != m_program.codeSize());
BOOST_TEST(ProgramSize(m_program).evaluate(chromosome) == optimisedProgram.codeSize());
}
BOOST_FIXTURE_TEST_CASE(evaluate_should_repeat_the_optimisation_specified_number_of_times, FitnessMetricFixture)
{
Chromosome chromosome(vector<string>{UnusedPruner::name, EquivalentFunctionCombiner::name});
Program programOptimisedOnce = m_program;
programOptimisedOnce.optimise(chromosome.optimisationSteps());
Program programOptimisedTwice = programOptimisedOnce;
programOptimisedTwice.optimise(chromosome.optimisationSteps());
assert(m_program.codeSize() != programOptimisedOnce.codeSize());
assert(m_program.codeSize() != programOptimisedTwice.codeSize());
assert(programOptimisedOnce.codeSize() != programOptimisedTwice.codeSize());
ProgramSize metric(m_program, 2);
BOOST_TEST(metric.evaluate(chromosome) != m_program.codeSize());
BOOST_TEST(metric.evaluate(chromosome) != programOptimisedOnce.codeSize());
BOOST_TEST(metric.evaluate(chromosome) == programOptimisedTwice.codeSize());
}
BOOST_FIXTURE_TEST_CASE(evaluate_should_not_optimise_if_number_of_repetitions_is_zero, FitnessMetricFixture)
{
Chromosome chromosome(vector<string>{UnusedPruner::name, EquivalentFunctionCombiner::name});
Program optimisedProgram = m_program;
optimisedProgram.optimise(chromosome.optimisationSteps());
assert(m_program.codeSize() != optimisedProgram.codeSize());
ProgramSize metric(m_program, 0);
BOOST_TEST(metric.evaluate(chromosome) == m_program.codeSize());
BOOST_TEST(metric.evaluate(chromosome) != optimisedProgram.codeSize());
}
BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_SUITE_END()
}