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test_exchange_all_valid_immediates()

Documentation for tests/osaka/eip7692_eof_v1/eip663_dupn_swapn_exchange/test_exchange.py::test_exchange_all_valid_immediates@83970623.

Generate fixtures for these test cases for Osaka with:

fill -v tests/osaka/eip7692_eof_v1/eip663_dupn_swapn_exchange/test_exchange.py::test_exchange_all_valid_immediates --fork Osaka

Test case for all valid EXCHANGE immediates.

Source code in tests/osaka/eip7692_eof_v1/eip663_dupn_swapn_exchange/test_exchange.py
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@pytest.mark.valid_from(EOF_FORK_NAME)
def test_exchange_all_valid_immediates(eof_state_test: EOFStateTestFiller):
    """Test case for all valid EXCHANGE immediates."""
    n = 256
    s = 34
    values = range(0x3E8, 0x3E8 + s)

    eof_code = Container(
        sections=[
            Section.Code(
                code=sum(Op.PUSH2[v] for v in values)
                + sum(Op.EXCHANGE[x] for x in range(0, n))
                + sum((Op.PUSH1[x] + Op.SSTORE) for x in range(0, s))
                + Op.STOP,
            )
        ],
    )

    # this does the same full-loop exchange
    values_rotated = list(range(0x3E8, 0x3E8 + s))
    for e in range(0, n):
        a = (e >> 4) + 1
        b = (e & 0x0F) + 1 + a
        temp = values_rotated[a]
        values_rotated[a] = values_rotated[b]
        values_rotated[b] = temp

    post = Account(storage=dict(zip(range(0, s), reversed(values_rotated), strict=False)))

    eof_state_test(
        tx_sender_funding_amount=1_000_000_000,
        container=eof_code,
        container_post=post,
    )

Parametrized Test Cases

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

Test ID (Abbreviated)
...fork_Osaka-eof_test
...fork_Osaka-state_test
...fork_Osaka-blockchain_test