public void TestAggregateFunction()
{
AggregationMethodFactory aggFactory = ValidatedNodeToTest.Factory;
AggregationMethod agg = aggFactory.Make(SupportExprNodeFactory.MethodResService, -1, 1, 1);
Assert.AreEqual(typeof(double?), agg.ValueType);
Assert.IsNull(agg.Value);
agg.Enter(82);
Assert.AreEqual(0D, agg.Value);
agg.Enter(78);
Assert.AreEqual(2D, agg.Value);
agg.Enter(70);
double result = agg.Value.AsDouble();
Assert.AreEqual("4.4444", result.ToString().Substring(0, 6));
agg.Enter(58);
Assert.AreEqual(8D, agg.Value);
agg.Enter(42);
Assert.AreEqual(12.8D, agg.Value);
agg.Leave(82);
Assert.AreEqual(12D, agg.Value);
agg.Leave(58);
result = agg.Value.AsDouble();
Assert.AreEqual("14.2222", result.ToString().Substring(0, 7));
}
public virtual void Enter(Object value)
{
// if value not already encountered, enter into aggregate
if (_valueSet.Add(value))
{
_inner.Enter(value);
}
}
public virtual void Enter(Object value)
{
var values = (Object[])value;
if (!CheckPass(values))
{
return;
}
// if value not already encountered, enter into aggregate
if (_valueSet.Add(values[0]))
{
_inner.Enter(value);
}
}