test_worst_jumpi_fallthrough()

Documentation for tests/benchmark/test_worst_compute.py::test_worst_jumpi_fallthrough@v5.0.0.

Generate fixtures for these test cases for Osaka with:

fill -v tests/benchmark/test_worst_compute.py::test_worst_jumpi_fallthrough --fork Osaka

Test running a JUMPI-intensive contract with fallthrough.

Source code in tests/benchmark/test_worst_compute.py

@pytest.mark.valid_from("Cancun")
def test_worst_jumpi_fallthrough(
    state_test: StateTestFiller,
    pre: Alloc,
    fork: Fork,
    gas_benchmark_value: int,
):
    """Test running a JUMPI-intensive contract with fallthrough."""
    max_code_size = fork.max_code_size()

    def jumpi_seq():
        return Op.JUMPI(Op.PUSH0, Op.PUSH0)

    prefix_seq = Op.JUMPDEST
    suffix_seq = Op.JUMP(Op.PUSH0)
    bytes_per_seq = len(jumpi_seq())
    seqs_per_call = (max_code_size - len(prefix_seq) - len(suffix_seq)) // bytes_per_seq

    # Create and deploy the jumpi-intensive contract
    jumpis_code = prefix_seq + jumpi_seq() * seqs_per_call + suffix_seq
    assert len(jumpis_code) <= max_code_size

    jumpis_address = pre.deploy_contract(code=bytes(jumpis_code))

    tx = Transaction(
        to=jumpis_address,
        gas_limit=gas_benchmark_value,
        sender=pre.fund_eoa(),
    )

    state_test(
        pre=pre,
        post={},
        tx=tx,
    )

Parametrized Test Cases

This test case is only parametrized by fork and fixture format.

Fork All Forks Cancun Prague Osaka

Fixture Type All Fixture Types state_test blockchain_test

Test ID (Abbreviated)
...fork_Cancun-state_test
...fork_Cancun-blockchain_test_from_state_test
...fork_Prague-state_test
...fork_Prague-blockchain_test_from_state_test
...fork_Osaka-state_test
...fork_Osaka-blockchain_test_from_state_test