public void RemovePrefix01()
{
trie.RemovePrefix("1");
Assert.AreEqual(8, trie.GetWords().Count);
trie.RemovePrefix("th");
Assert.AreEqual(6, trie.GetWords().Count);
trie.RemovePrefix("x");
Assert.AreEqual(6, trie.GetWords().Count);
trie.RemovePrefix("");
Assert.AreEqual(0, trie.GetWords().Count);
}
public void TrieRemoveByPrefixBenchmark()
{
for (int i = 0; i < _words.Length; i++)
{
_trie.RemovePrefix(_words[i].DeleteLastCharacter());
}
Assert.AreEqual(0, _trie.Count);
}
private static void TestTrie()
{
ITrie trie = BuildTestTrie();
var words = trie.GetAllWords();
Console.WriteLine($"Total word count in trie: {words.Count}");
words = trie.GetWordsByPrefix("");
Console.WriteLine($"Total words with empty prefix: {words.Count}");
words = trie.GetWordsByPrefix("th");
Console.WriteLine($"Total words with th prefix: {words.Count}");
words = trie.GetWordsByPrefix("TH");
Console.WriteLine($"Total words with TH prefix: {words.Count}");
words = trie.GetWordsByPrefix("z");
Console.WriteLine($"Total words with z prefix: {words.Count}");
words = trie.GetWordsByPrefix("Z");
Console.WriteLine($"Total words with Z prefix: {words.Count}");
words = trie.GetWordsByPrefix("1");
Console.WriteLine($"Total words with 1 prefix: {words.Count}");
bool hasWord = trie.ContainsWord("test");
Console.WriteLine($"Word 'test' found: {hasWord}");
hasWord = trie.ContainsWord("TEST");
Console.WriteLine($"Word 'TEST' found: {hasWord}");
hasWord = trie.ContainsWord("zz");
Console.WriteLine($"Word 'zz' found: {hasWord}");
hasWord = trie.ContainsWord("ZZ");
Console.WriteLine($"Word 'ZZ' found: {hasWord}");
hasWord = trie.ContainsWord("Microsoft");
Console.WriteLine($"Word 'Microsoft' found: {hasWord}");
trie = BuildTestTrie();
words = trie.GetAllWords();
Console.WriteLine($"Total word count in trie: {words.Count}");
trie.RemoveWord("this");
words = trie.GetAllWords();
Console.WriteLine($"Total word count in trie: {words.Count}");
trie.RemoveWord("the");
words = trie.GetAllWords();
Console.WriteLine($"Total word count in trie: {words.Count}");
trie.RemoveWord("te");
words = trie.GetAllWords();
Console.WriteLine($"Total word count in trie: {words.Count}");
trie.RemoveWord("test");
words = trie.GetAllWords();
Console.WriteLine($"Total word count in trie: {words.Count}");
trie.RemoveWord("word not present");
words = trie.GetAllWords();
Console.WriteLine($"Total word count in trie: {words.Count}");
trie.RemoveWord("123");
foreach (var word in trie.GetAllWords())
{
trie.RemoveWord(word);
}
words = trie.GetAllWords();
Console.WriteLine($"Total word count in trie: {words.Count}");
trie = BuildTestTrie();
trie.RemovePrefix("1");
words = trie.GetAllWords();
Console.WriteLine($"Total word count in trie: {words.Count}");
trie.RemovePrefix("th");
words = trie.GetAllWords();
Console.WriteLine($"Total word count in trie: {words.Count}");
trie.RemovePrefix("x");
words = trie.GetAllWords();
Console.WriteLine($"Total word count in trie: {words.Count}");
trie.RemovePrefix("");
words = trie.GetAllWords();
Console.WriteLine($"Total word count in trie: {words.Count}");
}
