public virtual void TestgetBiggestSmallest1()
{
NeoDatis.Btree.IBTree btree = GetBTree(3);
btree.Insert(1, "key 1");
btree.Insert(2, "key 2");
btree.Insert(3, "key 3");
btree.Insert(4, "key 4");
btree.Insert(5, "key 5");
AssertEquals(5, btree.GetSize());
AssertEquals("key 5", btree.GetBiggest(btree.GetRoot(), false).GetValue());
AssertEquals("key 1", btree.GetSmallest(btree.GetRoot(), false).GetValue());
}