public void IndexOf()
{
//Arrange
SortedSet <string> words = new SortedSet <string>();
words.Add("a");
words.Add("b");
words.Add("c");
//Act
WordCooccurrenceMatrix matrix = new WordCooccurrenceMatrix(words);
//Assert
Assert.AreEqual(0, matrix.IndexOf("a"));
Assert.AreEqual(1, matrix.IndexOf("b"));
Assert.AreEqual(2, matrix.IndexOf("c"));
}
public void CompileOccurrences()
{
//Arrange
KeywordExtractor extractor = new KeywordExtractor();
string[] tokens = extractor.Tokenize(this.Sample1);
string[] phrases = extractor.ToPhrases(tokens);
WordCooccurrenceMatrix matrix = new WordCooccurrenceMatrix(extractor.UniqueWordIndex);
//Act
matrix.CompileOccurrences(phrases);
//Assert
Assert.AreEqual(2, matrix[matrix.IndexOf("algorithms"), matrix.IndexOf("algorithms")], "'algorithms' diagonal count");
Assert.AreEqual(1, matrix[matrix.IndexOf("bounds"), matrix.IndexOf("bounds")], "'bounds' diagonal count");
Assert.AreEqual(1, matrix[matrix.IndexOf("corresponding"), matrix.IndexOf("algorithms")], "'corresponding'->'algorithms' count");
Assert.AreEqual(2, matrix[matrix.IndexOf("minimal"), matrix.IndexOf("set")], "'minimal'->'set' count");
Assert.AreEqual(2, matrix[matrix.IndexOf("set"), matrix.IndexOf("minimal")], "'set'->'minimal' count");
}
