public void Constructor_RootNodeReferenceMaintainedAfterClearIsCalled()
{
TrieNode <Char> rootNode = null;
testCharacterTrie = new CharacterTrie(out rootNode);
foreach (String currentTestWord in new List <String>()
{
"cop", "d", "apple", "apps", "app"
})
{
testCharacterTrie.Insert(currentTestWord);
}
testCharacterTrie.Clear();
testCharacterTrie.Insert("apple");
Assert.AreEqual(1, rootNode.ChildNodes.Count());
Assert.IsTrue(rootNode.ChildNodeExists('a'));
}
public void Count()
{
Assert.AreEqual(0, testCharacterTrie.Count);
testCharacterTrie.Insert("cop");
Assert.AreEqual(1, testCharacterTrie.Count);
testCharacterTrie.Insert("d");
Assert.AreEqual(2, testCharacterTrie.Count);
testCharacterTrie.Delete("d");
Assert.AreEqual(1, testCharacterTrie.Count);
testCharacterTrie.Delete("cop");
Assert.AreEqual(0, testCharacterTrie.Count);
testCharacterTrie.Insert("cop");
Assert.AreEqual(1, testCharacterTrie.Count);
testCharacterTrie.Clear();
Assert.AreEqual(0, testCharacterTrie.Count);
}