def test_smbus_data_to_list():
    from smbus import ffi, list_to_smbus_data, smbus_data_to_list
    lst = list(range(10))
    data = ffi.new("union i2c_smbus_data *")
    list_to_smbus_data(data, lst)
    assert smbus_data_to_list(data) == list(range(10))
def test_smbus_data_to_list():
    lst = list(range(10))
    data = ffi.new("union i2c_smbus_data *")
    list_to_smbus_data(data, lst)
    assert smbus_data_to_list(data) == list(range(10))