Add tolerance to gas meter tests.

This commit is contained in:
Daniel Kirchner 2018-12-12 14:58:20 +01:00
parent 6d82ad1338
commit 123d33ad41

View File

@ -62,7 +62,7 @@ public:
);
}
void testCreationTimeGas(string const& _sourceCode)
void testCreationTimeGas(string const& _sourceCode, u256 const& _tolerance = u256(0))
{
compileAndRun(_sourceCode);
auto state = make_shared<KnownState>();
@ -75,12 +75,13 @@ public:
gas += gasForTransaction(m_compiler.object(m_compiler.lastContractName()).bytecode, true);
BOOST_REQUIRE(!gas.isInfinite);
BOOST_CHECK_EQUAL(gas.value, m_gasUsed);
BOOST_CHECK_LE(m_gasUsed, gas.value);
BOOST_CHECK_LE(gas.value - _tolerance, m_gasUsed);
}
/// Compares the gas computed by PathGasMeter for the given signature (but unknown arguments)
/// against the actual gas usage computed by the VM on the given set of argument variants.
void testRunTimeGas(string const& _sig, vector<bytes> _argumentVariants)
void testRunTimeGas(string const& _sig, vector<bytes> _argumentVariants, u256 const& _tolerance = u256(0))
{
u256 gasUsed = 0;
GasMeter::GasConsumption gas;
@ -98,7 +99,8 @@ public:
_sig
);
BOOST_REQUIRE(!gas.isInfinite);
BOOST_CHECK_EQUAL(gas.value, m_gasUsed);
BOOST_CHECK_LE(m_gasUsed, gas.value);
BOOST_CHECK_LE(gas.value - _tolerance, m_gasUsed);
}
static GasMeter::GasConsumption gasForTransaction(bytes const& _data, bool _isCreation)
@ -186,7 +188,7 @@ BOOST_AUTO_TEST_CASE(updating_store)
}
}
)";
testCreationTimeGas(sourceCode);
testCreationTimeGas(sourceCode, m_evmVersion < EVMVersion::constantinople() ? u256(0) : u256(9600));
}
BOOST_AUTO_TEST_CASE(branches)