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"""Test zero_ex.order_utils.get_order_hash_hex()."""

from zero_ex.order_utils import (
    generate_order_hash_hex,
    make_empty_order,
    _Constants,
)


def test_get_order_hash_hex__empty_order():
    """Test the hashing of an uninitialized order."""
    expected_hash_hex = (
        "faa49b35faeb9197e9c3ba7a52075e6dad19739549f153b77dfcf59408a4b422"
    )
    actual_hash_hex = generate_order_hash_hex(
        make_empty_order(), _Constants.null_address
    )
    assert actual_hash_hex == expected_hash_hex