public virtual void Test1() { DeleteBase("btree45.ndb"); var odb = Open("btree45.ndb"); var storageEngine = ((global::NDatabase.Odb)odb).GetStorageEngine(); var persister = new LazyOdbBtreePersister(storageEngine); IBTreeMultipleValuesPerKey tree = new OdbBtreeMultiple(3, persister); tree.Insert(1, new MyObject("Value 1")); tree.Insert(20, new MyObject("Value 20")); tree.Insert(25, new MyObject("Value 25")); tree.Insert(29, new MyObject("Value 29")); tree.Insert(21, new MyObject("Value 21")); AssertEquals(5, tree.GetRoot().GetNbKeys()); AssertEquals(0, tree.GetRoot().GetNbChildren()); AssertEquals(21, tree.GetRoot().GetMedian().GetKey()); var values = tree.GetRoot().GetMedian().GetValue() as List <object>; AssertEquals("Value 21", values[0].ToString()); AssertEquals(0, tree.GetRoot().GetNbChildren()); tree.Insert(45, new MyObject("Value 45")); AssertEquals(2, tree.GetRoot().GetNbChildren()); AssertEquals(1, tree.GetRoot().GetNbKeys()); AssertEquals(21, tree.GetRoot().GetKeyAt(0)); var valuesAsObjectAt = tree.GetRoot().GetValueAsObjectAt(0) as List <object>; AssertEquals("Value 21", valuesAsObjectAt[0].ToString()); persister.Close(); odb = Open("btree45.ndb"); storageEngine = ((global::NDatabase.Odb)odb).GetStorageEngine(); persister = new LazyOdbBtreePersister(storageEngine); tree = (IBTreeMultipleValuesPerKey)persister.LoadBTree(tree.GetId()); AssertEquals(6, tree.GetSize()); // println(tree.getRoot()); var o = (MyObject)tree.Search(20)[0]; AssertEquals("Value 20", o.GetName()); o = (MyObject)tree.Search(29)[0]; AssertEquals("Value 29", o.GetName()); o = (MyObject)tree.Search(45)[0]; AssertEquals("Value 45", o.GetName()); odb.Close(); DeleteBase("btree45.ndb"); }