public virtual void TestSplit()
{
NeoDatis.Btree.IBTree tree = GetBTree(2);
tree.Insert(10, "Key 10");
tree.Insert(100, "Key 100");
NeoDatis.Btree.IBTreeNodeOneValuePerKey c1 = GetBTreeNode(tree, "child 1");
NeoDatis.Btree.IBTreeNodeOneValuePerKey c2 = GetBTreeNode(tree, "child 2");
NeoDatis.Btree.IBTreeNodeOneValuePerKey node1 = (NeoDatis.Btree.IBTreeNodeOneValuePerKey
)tree.GetRoot();
node1.SetChildAt(c1, 0);
node1.SetChildAt(c2, 1);
node1.SetNbKeys(2);
node1.SetNbChildren(2);
c1.SetKeyAndValueAt(1, "Key 1", 0);
c1.SetKeyAndValueAt(2, "Key 2", 1);
c1.SetKeyAndValueAt(3, "Key 3", 2);
c1.SetNbKeys(3);
AssertEquals(0, c1.GetNbChildren());
tree.Split(node1, c1, 0);
AssertEquals(3, node1.GetNbKeys());
AssertEquals(3, node1.GetNbChildren());
AssertEquals(2, node1.GetKeyAndValueAt(0).GetKey());
AssertEquals(10, node1.GetKeyAndValueAt(1).GetKey());
AssertEquals(100, node1.GetKeyAndValueAt(2).GetKey());
NeoDatis.Btree.IBTreeNodeOneValuePerKey c1New = (NeoDatis.Btree.IBTreeNodeOneValuePerKey
)node1.GetChildAt(0, false);
AssertEquals(1, c1New.GetNbKeys());
AssertEquals(0, c1New.GetNbChildren());
AssertEquals(1, c1New.GetKeyAt(0));
AssertEquals(null, c1New.GetKeyAt(1));
AssertEquals(null, c1New.GetKeyAt(2));
AssertEquals(node1, c1New.GetParent());
NeoDatis.Btree.IBTreeNodeOneValuePerKey c1bis = (NeoDatis.Btree.IBTreeNodeOneValuePerKey
)node1.GetChildAt(1, false);
AssertEquals(1, c1bis.GetNbKeys());
AssertEquals(0, c1bis.GetNbChildren());
AssertEquals(3, c1bis.GetKeyAt(0));
AssertEquals(node1, c1bis.GetParent());
AssertEquals(null, c1bis.GetKeyAt(1));
AssertEquals(null, c1bis.GetKeyAt(2));
NeoDatis.Btree.IBTreeNodeOneValuePerKey c2New = (NeoDatis.Btree.IBTreeNodeOneValuePerKey
)node1.GetChildAt(2, false);
AssertEquals(c2, c2New);
}
public virtual void Testsearch10()
{
NeoDatis.Btree.IBTreeSingleValuePerKey btree = GetBTree(3);
for (int i = 0; i < 10; i++)
{
btree.Insert(i, "key " + i);
}
AssertEquals(10, btree.GetSize());
AssertEquals("key 1", btree.Search(1));
AssertEquals("key 9", btree.Search(9));
NeoDatis.Btree.IBTreeNodeOneValuePerKey child3 = (NeoDatis.Btree.IBTreeNodeOneValuePerKey
)btree.GetRoot().GetChildAt(2, false);
AssertEquals(4, child3.GetNbKeys());
AssertEquals(6, child3.GetKeyAt(0));
AssertEquals(7, child3.GetKeyAt(1));
AssertEquals(8, child3.GetKeyAt(2));
AssertEquals(9, child3.GetKeyAt(3));
AssertEquals(null, child3.GetKeyAt(4));
}