private void CheckTypeDetermination(string numericColumnTypeName)
{
// Create a numeric column with 0-10 in it
IUntypedColumn column = ColumnFactory.Build(new ColumnDetails("Unused", numericColumnTypeName, 10), 0);
column.SetSize(10);
for (int i = 0; i < 10; ++i)
{
column[(ushort)i] = i;
}
// Include 0, 2, 4, 6, 8 in the results
ShortSet matches = new ShortSet(10);
for (int i = 0; i < 10; i += 2)
{
matches.Add((ushort)i);
}
// Ask for the Min and verify both the value and type are correct
// This verifies the type checks in BaseAggregator.Aggregate determine type correctly
MinAggregator aggregator = new MinAggregator();
object context = aggregator.CreateContext();
object result = aggregator.Aggregate(context, matches, new IUntypedColumn[] { column });
Assert.AreEqual(column[0], result);
}
public void MinAggregator_Merge()
{
var minAggr1 = new MinAggregator("test");
var minAggr2 = new MinAggregator("test");
Func <object, string, object> getVal = (r, f) => {
return(r);
};
minAggr1.Push(5, getVal);
minAggr2.Push(3, getVal);
minAggr2.Merge(minAggr1);
Assert.Equal(3, minAggr2.Value);
minAggr1.Merge(minAggr2);
Assert.Equal(3, minAggr1.Value);
// datetime values
var maxAggr3 = new MinAggregator("test");
maxAggr3.Push(new DateTime(1983, 5, 6), getVal);
maxAggr3.Push(new DateTime(2000, 1, 1), getVal);
Assert.Equal(1983, ((DateTime)maxAggr3.Value).Year);
var maxAggr4 = new MinAggregator("test");
maxAggr4.Push(new DateTime(2010, 2, 2), getVal);
maxAggr3.Merge(maxAggr4);
Assert.Equal(1983, ((DateTime)maxAggr3.Value).Year);
}
public void MinAggregator()
{
var minAggr = new MinAggregator("test");
Func <object, string, object> getVal = (r, f) => {
Assert.Equal("test", f);
return(r);
};
minAggr.Push(5, getVal);
Assert.Equal(5, minAggr.Value);
minAggr.Push(3, getVal);
Assert.Equal(3, minAggr.Value);
minAggr.Push(7, getVal);
Assert.Equal(3, minAggr.Value);
}
protected override void InitializeSystemUnderTests()
{
SystemUnderTests = new MinAggregator();
}
