How to use the nidigital._visatype.ViReal64 function in nidigital

def __init__(self):
        _PointerMatcher.__init__(self, _visatype.ViReal64)

def __init__(self, expected_size_or_value):
        _BufferMatcher.__init__(self, _visatype.ViReal64, expected_size_or_value)

def __init__(self, expected_value):
        _ScalarMatcher.__init__(self, _visatype.ViReal64, expected_value)

def test_convert_timedelta_to_microseconds_double():
    test_result = convert_timedelta_to_microseconds(datetime.timedelta(seconds=10), _visatype.ViReal64)
    assert test_result.value == 10000000.0
    assert isinstance(test_result, _visatype.ViReal64)
    test_result = convert_timedelta_to_microseconds(datetime.timedelta(seconds=-1), _visatype.ViReal64)
    assert test_result.value == -1000000.0
    assert isinstance(test_result, _visatype.ViReal64)
    test_result = convert_timedelta_to_microseconds(10.5, _visatype.ViReal64)
    assert test_result.value == 10500000.0
    assert isinstance(test_result, _visatype.ViReal64)
    test_result = convert_timedelta_to_microseconds(-1, _visatype.ViReal64)
    assert test_result.value == -1000000.0
    assert isinstance(test_result, _visatype.ViReal64)

def test_convert_timedelta_to_seconds_double():
    test_result = convert_timedelta_to_seconds(datetime.timedelta(seconds=10), _visatype.ViReal64)
    assert test_result.value == 10.0
    assert isinstance(test_result, _visatype.ViReal64)
    test_result = convert_timedelta_to_seconds(datetime.timedelta(seconds=-1), _visatype.ViReal64)
    assert test_result.value == -1
    assert isinstance(test_result, _visatype.ViReal64)
    test_result = convert_timedelta_to_seconds(10.5, _visatype.ViReal64)
    assert test_result.value == 10.5
    assert isinstance(test_result, _visatype.ViReal64)
    test_result = convert_timedelta_to_seconds(-1, _visatype.ViReal64)
    assert test_result.value == -1
    assert isinstance(test_result, _visatype.ViReal64)

def test_convert_timedelta_to_milliseconds_double():
    test_result = convert_timedelta_to_milliseconds(datetime.timedelta(seconds=10), _visatype.ViReal64)
    assert test_result.value == 10000.0
    assert isinstance(test_result, _visatype.ViReal64)
    test_result = convert_timedelta_to_milliseconds(datetime.timedelta(seconds=-1), _visatype.ViReal64)
    assert test_result.value == -1000.0
    assert isinstance(test_result, _visatype.ViReal64)
    test_result = convert_timedelta_to_milliseconds(10.5, _visatype.ViReal64)
    assert test_result.value == 10500.0
    assert isinstance(test_result, _visatype.ViReal64)
    test_result = convert_timedelta_to_milliseconds(-1, _visatype.ViReal64)
    assert test_result.value == -1000.0
    assert isinstance(test_result, _visatype.ViReal64)

def test_convert_timedelta_to_microseconds_double():
    test_result = convert_timedelta_to_microseconds(datetime.timedelta(seconds=10), _visatype.ViReal64)
    assert test_result.value == 10000000.0
    assert isinstance(test_result, _visatype.ViReal64)
    test_result = convert_timedelta_to_microseconds(datetime.timedelta(seconds=-1), _visatype.ViReal64)
    assert test_result.value == -1000000.0
    assert isinstance(test_result, _visatype.ViReal64)
    test_result = convert_timedelta_to_microseconds(10.5, _visatype.ViReal64)
    assert test_result.value == 10500000.0
    assert isinstance(test_result, _visatype.ViReal64)
    test_result = convert_timedelta_to_microseconds(-1, _visatype.ViReal64)
    assert test_result.value == -1000000.0
    assert isinstance(test_result, _visatype.ViReal64)