private void assertTimeValue(AttributeValue attr, string value)
{
Assert.IsInstanceOfType(attr.getValue(), typeof(PrimitiveObjectBlock));
PrimitiveObjectBlock pob = (PrimitiveObjectBlock)attr.getValue();
Assert.IsInstanceOfType(pob.getSimpleValue(), typeof(TimeValue));
TimeValue actual = (TimeValue)pob.getSimpleValue();
DvTime expected = new DvTime(value);
Assert.AreEqual(actual.getValue(), expected);
}