public void CloneAsTrieNode()
{
SequenceTerminatorTrieNode <Char> aNode = new SequenceTerminatorTrieNode <Char>('a', null);
SequenceTerminatorTrieNode <Char> bNode = new SequenceTerminatorTrieNode <Char>('b', aNode);
aNode.AddChildNode(bNode.Item, bNode);
SequenceTerminatorTrieNode <Char> cNode = new SequenceTerminatorTrieNode <Char>('c', bNode);
bNode.AddChildNode(cNode.Item, cNode);
SequenceTerminatorTrieNode <Char> dNode = new SequenceTerminatorTrieNode <Char>('d', bNode);
bNode.AddChildNode(dNode.Item, dNode);
bNode.SetSubTreeSize('c', 2);
bNode.SetSubTreeSize('d', 3);
TrieNode <Char> clonedNode = bNode.CloneAsTrieNode();
Assert.IsNotInstanceOf(typeof(SequenceTerminatorTrieNode <Char>), clonedNode);
Assert.AreEqual('b', clonedNode.Item);
Assert.IsTrue(clonedNode.ChildNodeExists('c'));
Assert.IsTrue(clonedNode.ChildNodeExists('d'));
Assert.AreEqual(2, clonedNode.GetSubtreeSize('c'));
Assert.AreEqual(3, clonedNode.GetSubtreeSize('d'));
Assert.AreNotSame(bNode, clonedNode);
Assert.AreSame(aNode, clonedNode.ParentNode);
Assert.AreSame(cNode, clonedNode.GetChildNode('c'));
Assert.AreSame(dNode, clonedNode.GetChildNode('d'));
}
public void Replicate()
{
SequenceTerminatorTrieNode <Char> aNode = new SequenceTerminatorTrieNode <Char>('a', null);
SequenceTerminatorTrieNode <Char> bNode = new SequenceTerminatorTrieNode <Char>('b', aNode);
aNode.AddChildNode(bNode.Item, bNode);
SequenceTerminatorTrieNode <Char> cNode = new SequenceTerminatorTrieNode <Char>('c', bNode);
bNode.AddChildNode(cNode.Item, cNode);
SequenceTerminatorTrieNode <Char> dNode = new SequenceTerminatorTrieNode <Char>('d', bNode);
bNode.AddChildNode(dNode.Item, dNode);
bNode.SetSubTreeSize('c', 2);
bNode.SetSubTreeSize('d', 3);
SequenceTerminatorTrieNode <Char> replicaNode = bNode.Replicate();
Assert.AreEqual('b', replicaNode.Item);
Assert.IsTrue(replicaNode.ChildNodeExists('c'));
Assert.IsTrue(replicaNode.ChildNodeExists('d'));
Assert.AreEqual(2, replicaNode.GetSubtreeSize('c'));
Assert.AreEqual(3, replicaNode.GetSubtreeSize('d'));
Assert.AreNotSame(bNode, replicaNode);
Assert.AreNotSame(aNode, replicaNode.ParentNode);
Assert.AreNotSame(cNode, replicaNode.GetChildNode('c'));
Assert.AreNotSame(dNode, replicaNode.GetChildNode('d'));
// Test replicating a node with null parent
replicaNode = aNode.Replicate();
Assert.AreEqual('a', replicaNode.Item);
Assert.IsNull(replicaNode.ParentNode);
Assert.IsTrue(replicaNode.ChildNodeExists('b'));
Assert.AreNotSame(bNode, replicaNode.GetChildNode('b'));
}