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[yul-phaser] ProgramSize metric: Refactor repeating parts of test code

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- Also replace test fixture constructor with direct member initialisation
This commit is contained in:
Kamil Śliwak 2020-03-04 19:46:18 +01:00
parent 1c25104741
commit bdc4d1ccd1
1 changed files with 28 additions and 34 deletions
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62
test/yulPhaser/FitnessMetrics.cpp
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@ -34,10 +34,6 @@ 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"
@ -52,8 +48,22 @@ protected:
" mstore(foo(), bar())\n"
"}\n";
CharStream m_sourceStream;
Program m_program;
Program optimisedProgram(Program _program) const
{
[[maybe_unused]] size_t originalSize = _program.codeSize();
Program result = move(_program);
result.optimise(m_chromosome.optimisationSteps());
// Make sure that the program and the chromosome we have chosen are suitable for the test
assert(result.codeSize() != originalSize);
return result;
}
CharStream m_sourceStream = CharStream(SampleSourceCode, "");
Chromosome m_chromosome{vector<string>{UnusedPruner::name, EquivalentFunctionCombiner::name}};
Program m_program = get<Program>(Program::load(m_sourceStream));
Program m_optimisedProgram = optimisedProgram(m_program);
};
BOOST_AUTO_TEST_SUITE(Phaser)
@ -62,47 +72,32 @@ 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});
size_t fitness = ProgramSize(m_program).evaluate(m_chromosome);
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_TEST(fitness != m_program.codeSize());
BOOST_TEST(fitness == m_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());
Program const& programOptimisedOnce = m_optimisedProgram;
Program programOptimisedTwice = optimisedProgram(programOptimisedOnce);
ProgramSize metric(m_program, 2);
size_t fitness = metric.evaluate(m_chromosome);
BOOST_TEST(metric.evaluate(chromosome) != m_program.codeSize());
BOOST_TEST(metric.evaluate(chromosome) != programOptimisedOnce.codeSize());
BOOST_TEST(metric.evaluate(chromosome) == programOptimisedTwice.codeSize());
BOOST_TEST(fitness != m_program.codeSize());
BOOST_TEST(fitness != programOptimisedOnce.codeSize());
BOOST_TEST(fitness == 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);
size_t fitness = metric.evaluate(m_chromosome);
BOOST_TEST(metric.evaluate(chromosome) == m_program.codeSize());
BOOST_TEST(metric.evaluate(chromosome) != optimisedProgram.codeSize());
BOOST_TEST(fitness == m_program.codeSize());
BOOST_TEST(fitness != m_optimisedProgram.codeSize());
}
BOOST_AUTO_TEST_SUITE_END()
@ -110,4 +105,3 @@ BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_SUITE_END()
}