test_vector_dupn_invalid_0x5f()

Documentation for tests/amsterdam/eip8024_dupn_swapn_exchange/test_eip_vectors.py::test_vector_dupn_invalid_0x5f@5c024cbb.

Generate fixtures for these test cases for Amsterdam with:

fill -v tests/amsterdam/eip8024_dupn_swapn_exchange/test_eip_vectors.py::test_vector_dupn_invalid_0x5f --fork Amsterdam

Test vector: e65f [INVALID_DUPN, PUSH0].

DUPN with immediate 0x5f (95) is in the invalid range (91-127). Execution should abort with exceptional halt.

Source code in tests/amsterdam/eip8024_dupn_swapn_exchange/test_eip_vectors.py

def test_vector_dupn_invalid_0x5f(
    pre: Alloc,
    state_test: StateTestFiller,
) -> None:
    """
    Test vector: e65f [INVALID_DUPN, PUSH0].

    DUPN with immediate 0x5f (95) is in the invalid range (91-127).
    Execution should abort with exceptional halt.
    """
    sender = pre.fund_eoa()

    # Push enough items on stack for any potential operation
    code = Bytecode()
    for i in range(235):
        code += Op.PUSH1(i % 256)

    # DUPN with invalid immediate 0x5f - should abort
    # Hex: e6 5f
    code += Op.DUPN[b"\x5f"]

    # This should never execute
    code += Op.PUSH1(0x42) + Op.PUSH1(0) + Op.SSTORE
    code += Op.STOP

    contract_address = pre.deploy_contract(code=code)
    tx = Transaction(to=contract_address, sender=sender)

    # Transaction should fail, storage unchanged
    post = {contract_address: Account(storage={})}

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

Parametrized Test Cases

This test generates 1 parametrized test case across 1 fork.