public void BurstTrie_ContainsTwo()
{
BurstTrie trie = new BurstTrie();
trie.Add("con");
trie.Add("zip");
Assert.IsTrue(trie.Contains("con"));
Assert.IsTrue(trie.Contains("zip"));
}
public void BurstTrie_Blank()
{
BurstTrie trie = new BurstTrie();
trie.Add("");
Assert.IsTrue(trie.Contains(""));
}
public void BurstTrie_NotContainsUnrelated()
{
BurstTrie trie = new BurstTrie();
trie.Add("a");
Assert.IsFalse(trie.Contains("b"));
}
public void BurstTrie_SuperstringNotContained()
{
BurstTrie trie = new BurstTrie();
trie.Add("a");
Assert.IsFalse(trie.Contains("aa"));
}
public void BurstTrie_BurstBucket()
{
// 32 is current limit; revisit?
string s = "test";
BurstTrie trie = new BurstTrie();
for (int i = 0; i < 33; i++)
{
trie.Add(s);
s += i.ToString();
}
Assert.IsTrue(trie.Contains("test"));
Assert.IsTrue(trie.Contains("test0"));
Assert.IsTrue(trie.Contains("test01"));
Assert.IsFalse(trie.Contains("est"));
Assert.IsFalse(trie.Contains("est0"));
}
public void BurstTrie_FailedString()
{
string s = @" You may copy it, give it away or\r\nre-use it under the terms of the Project Gutenberg License included\r\nwith this eBook or online at www";
BurstTrie trie = new BurstTrie();
trie.Add(s);
Assert.IsTrue(trie.Contains(s));
}
public void BurstTrie_NotContained()
{
BurstTrie trie = new BurstTrie();
trie.Add("con");
Assert.IsFalse(trie.Contains("coo"));
Assert.IsFalse(trie.Contains("cona"));
Assert.IsFalse(trie.Contains("ocon"));
Assert.IsFalse(trie.Contains("noc"));
Assert.IsFalse(trie.Contains("cno"));
Assert.IsFalse(trie.Contains("ocn"));
Assert.IsFalse(trie.Contains("ccc"));
Assert.IsFalse(trie.Contains("nnn"));
Assert.IsFalse(trie.Contains("ooo"));
}
public void BurstTrie_EnglishWordsPerf()
{
string[] strings = _englishWords;
BurstTrie trie = new BurstTrie();
foreach (string s in strings)
{
trie.Add(s);
}
foreach (string s in strings)
{
Assert.IsTrue(trie.Contains(s));
}
}
public void BurstTrie_MultiNotContained()
{
BurstTrie trie = new BurstTrie();
trie.Add("con");
trie.Add("cono");
trie.Add("foo");
trie.Add("fon");
trie.Add("fondue");
Assert.IsTrue(trie.Contains("con"));
Assert.IsTrue(trie.Contains("fon"));
Assert.IsTrue(trie.Contains("fondue"));
Assert.IsFalse(trie.Contains("fo"));
Assert.IsFalse(trie.Contains("cor"));
Assert.IsFalse(trie.Contains("corse"));
Assert.IsFalse(trie.Contains("fondu"));
Assert.IsFalse(trie.Contains("f"));
Assert.IsFalse(trie.Contains("x"));
}
public void BurstTrie_BurstBucketSimple()
{
BurstTrie trie = new BurstTrie();
BurstTrie.BurstThreshold = 5;
string s = "TE";
for (int i = 0; i < 7; i++)
{
trie.Add(s + (char)(65 + i));
}
Assert.IsTrue(trie.Contains("TEA"));
Assert.IsTrue(trie.Contains("TEB"));
Assert.IsTrue(trie.Contains("TEC"));
Assert.IsTrue(trie.Contains("TED"));
Assert.IsTrue(trie.Contains("TEE"));
Assert.IsTrue(trie.Contains("TEF"));
Assert.IsFalse(trie.Contains("TE"));
Assert.IsFalse(trie.Contains("EA"));
Assert.IsFalse(trie.Contains("A"));
}
public void BurstTrie_NonBurstBucketSimple()
{
// 32 is current limit; revisit?
BurstTrie trie = new BurstTrie();
BurstTrie.BurstThreshold = 10;
string s = "TE";
for (int i = 0; i < 7; i++)
{
trie.Add(s + (char)(65 + i));
}
Assert.IsTrue(trie.Contains("TEA"));
Assert.IsTrue(trie.Contains("TEB"));
Assert.IsTrue(trie.Contains("TEC"));
Assert.IsTrue(trie.Contains("TED"));
Assert.IsTrue(trie.Contains("TEE"));
Assert.IsTrue(trie.Contains("TEF"));
Assert.IsFalse(trie.Contains("TE"));
Assert.IsFalse(trie.Contains("EA"));
Assert.IsFalse(trie.Contains("A"));
}
public void BurstTrie_Empty()
{
BurstTrie trie = new BurstTrie();
Assert.IsFalse(trie.Contains(""));
}
public void BurstTrie_SubstringNotContained()
{
BurstTrie trie = new BurstTrie();
trie.Add("abcde");
Assert.IsFalse(trie.Contains("a"));
Assert.IsFalse(trie.Contains("ab"));
Assert.IsFalse(trie.Contains("abc"));
Assert.IsFalse(trie.Contains("abcd"));
Assert.IsFalse(trie.Contains("bcde"));
Assert.IsFalse(trie.Contains("cde"));
Assert.IsFalse(trie.Contains("de"));
Assert.IsFalse(trie.Contains("e"));
Assert.IsFalse(trie.Contains("b"));
Assert.IsFalse(trie.Contains("c"));
Assert.IsFalse(trie.Contains("d"));
}