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test_combinations()

Documentation for tests/constantinople/eip145_bitwise_shift/test_shift_combinations.py::test_combinations@7b8124a7.

Generate fixtures for these test cases for Osaka with:

fill -v tests/constantinople/eip145_bitwise_shift/test_shift_combinations.py::test_combinations --fork Osaka

Test bitwise shift combinations.

Source code in tests/constantinople/eip145_bitwise_shift/test_shift_combinations.py 
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@pytest.mark.parametrize(
    "opcode,operation",
    [
        pytest.param(Op.SAR, Spec.sar, id="sar"),
        pytest.param(Op.SHL, Spec.shl, id="shl"),
        pytest.param(Op.SHR, Spec.shr, id="shr"),
    ],
)
@pytest.mark.valid_from("Constantinople")
@pytest.mark.ported_from(
    [
        "https://github.com/ethereum/tests/blob/v13.3/src/GeneralStateTestsFiller/stShift/shiftCombinationsFiller.yml",
        "https://github.com/ethereum/tests/blob/v13.3/src/GeneralStateTestsFiller/stShift/shiftSignedCombinationsFiller.yml",
    ],
    pr=["https://github.com/ethereum/execution-spec-tests/pull/1683"],
)
def test_combinations(
    state_test: StateTestFiller, pre: Alloc, opcode: Op, operation: Callable
) -> None:
    """Test bitwise shift combinations."""
    result = Storage()
    address_to = pre.deploy_contract(
        code=sum(
            Op.SSTORE(
                result.store_next(
                    operation(shift=a, value=b),
                    f"{str(opcode).lower()}({a}, {b})",
                ),
                opcode(a, b),
            )
            for a, b in combinations
        )
        + Op.SSTORE(result.store_next(1, "code_finished"), 1)
        + Op.STOP,
    )

    tx = Transaction(
        sender=pre.fund_eoa(),
        to=address_to,
        gas_limit=5_000_000,
    )

    state_test(pre=pre, post={address_to: Account(storage=result)}, tx=tx)

Parametrized Test Cases

This test generates 3 parametrized test cases across 10 forks.