public void IsAnagram()
{
Assert.IsTrue(LinkTypes.IsAnagram("bat", "tab"));
Assert.IsTrue(LinkTypes.IsAnagram("angel", "angle"));
Assert.IsFalse(LinkTypes.IsAnagram("cat", "angle"));
Assert.IsFalse(LinkTypes.IsAnagram("cat", "cat"));
}
public void AddWord(Word word)
{
if (words.Contains(word))
{
return;
}
words.Add(word);
// Check if word can be linked to others
foreach (Word other in words)
{
if (LinkTypes.IsOneLetterChange(word.Text, other.Text))
{
Link link = new Link(word, other, LinkType.OneLetterChange);
AddLink(link);
}
if (LinkTypes.IsOneLetterAddOrRemove(word.Text, other.Text))
{
Link link = new Link(word, other, LinkType.OneLetterAddOrRemove);
AddLink(link);
}
if (LinkTypes.IsAnagram(word.Text, other.Text))
{
Link link = new Link(word, other, LinkType.Anagram);
AddLink(link);
}
}
}
public void CompareLetterCount()
{
LinkTypes.LetterCounter letterCount1 = LinkTypes.CountLetters("system");
LinkTypes.LetterCounter letterCount2 = LinkTypes.CountLetters("system");
System.Console.WriteLine(letterCount1.ToString());
Assert.AreEqual(letterCount1, letterCount2);
letterCount1 = LinkTypes.CountLetters("system");
letterCount2 = LinkTypes.CountLetters("sytem");
System.Console.WriteLine(letterCount1.ToString());
Assert.AreNotEqual(letterCount1, letterCount2);
letterCount1 = LinkTypes.CountLetters("system");
letterCount2 = LinkTypes.CountLetters("yetmss");
System.Console.WriteLine(letterCount1.ToString());
Assert.AreEqual(letterCount1, letterCount2);
letterCount1 = LinkTypes.CountLetters("abc");
letterCount2 = LinkTypes.CountLetters("cde");
System.Console.WriteLine(letterCount1.ToString());
Assert.AreNotEqual(letterCount1, letterCount2);
letterCount1 = LinkTypes.CountLetters("abcd");
letterCount2 = LinkTypes.CountLetters("aaaa");
System.Console.WriteLine(letterCount1.ToString());
Assert.AreNotEqual(letterCount1, letterCount2);
}
public void IsOneLetterRemove()
{
Assert.IsTrue(LinkTypes.IsOneLetterRemove("pain", "pan"));
Assert.IsTrue(LinkTypes.IsOneLetterRemove("cart", "car"));
Assert.IsFalse(LinkTypes.IsOneLetterRemove("cat", "bite"));
Assert.IsFalse(LinkTypes.IsOneLetterRemove("straw", "raw"));
Assert.IsFalse(LinkTypes.IsOneLetterRemove("cat", "cat"));
}
public void IsOneLetterChange()
{
Assert.IsTrue(LinkTypes.IsOneLetterChange("moon", "moan"));
Assert.IsTrue(LinkTypes.IsOneLetterChange("cart", "care"));
Assert.IsFalse(LinkTypes.IsOneLetterChange("cat", "bit"));
Assert.IsFalse(LinkTypes.IsOneLetterChange("cat", "angle"));
Assert.IsFalse(LinkTypes.IsOneLetterChange("cat", "cat"));
}
public void FromString1()
{
Assert.AreEqual(LinkType.OneLetterChange, LinkTypes.FromString("OneLetterChange"));
Assert.AreEqual(LinkType.OneLetterAddOrRemove, LinkTypes.FromString("OneLetterAddOrRemove"));
Assert.AreEqual(LinkType.Anagram, LinkTypes.FromString("Anagram"));
Assert.AreEqual(LinkType.Synonym, LinkTypes.FromString("Synonym"));
Assert.AreEqual(LinkType.Antonym, LinkTypes.FromString("Antonym"));
Assert.AreEqual(LinkType.WordAssociation, LinkTypes.FromString("WordAssociation"));
Assert.ThrowsException <System.Exception>(() => LinkTypes.FromString("Wrong"));
}
public void CountLetters()
{
LinkTypes.LetterCounter letterCount = LinkTypes.CountLetters("system");
Assert.AreEqual(2, letterCount.CountFor('s'));
Assert.AreEqual(1, letterCount.CountFor('y'));
Assert.AreEqual(1, letterCount.CountFor('t'));
Assert.AreEqual(1, letterCount.CountFor('e'));
Assert.AreEqual(1, letterCount.CountFor('m'));
Assert.AreEqual(0, letterCount.CountFor('a'));
Assert.AreEqual(0, letterCount.CountFor('b'));
}
public static WordDatabase Deserialize(TextReader reader)
{
WordDatabase db = new WordDatabase();
reader.ReadLine();
foreach (string word in reader.ReadLine().Split(','))
{
db.AddWord(word.Trim());
}
reader.ReadLine();
reader.ReadLine();
while (reader.Peek() >= 0)
{
string[] tokens = reader.ReadLine().Split(' ');
db.AddLink(new Link(new Word(tokens[0]), new Word(tokens[1]), LinkTypes.FromString(tokens[2])));
}
return(db);
}
public Link(Word wordA, Word wordB, LinkType type)
{
this.WordA = wordA;
this.WordB = wordB;
this.Type = type;
if (type == LinkType.Anagram && !LinkTypes.IsAnagram(WordA.Text, WordB.Text))
{
throw new Exception(WordA.Text + " is not an anagram of " + WordB.Text);
}
if (type == LinkType.OneLetterChange && !LinkTypes.IsOneLetterChange(WordA.Text, WordB.Text))
{
throw new Exception(WordA.Text + " is not a letter change from " + WordB.Text);
}
if (type == LinkType.OneLetterAddOrRemove && !LinkTypes.IsOneLetterAddOrRemove(WordA.Text, WordB.Text))
{
throw new Exception(WordA.Text + " is not a letter additon or subtraction to " + WordB.Text);
}
}
