public void TestCreate()
{
var t1 = new int[] { 1, 2, 3, 4, 5, 6 };
var t2 = new string[] { "a", "b", "c" };
var d = new DataMap();
d.Add("int", t1);
d.Add("string", t2);
Assert.Equal(2, d.ColumnCount);
Assert.Equal(6, d.RowCount);
Assert.Equal(t1, d["int"].UnderlyingList);
Assert.Equal(t2, d["string"].UnderlyingList);
Assert.Equal(t1, d.GetAs <int>("int"));
Assert.Equal(t2, d.GetAs <string>("string"));
}