public void MeHas3BiGramTest()
{
var index = new NGramSearch.IntersectionCountIndex <long>(2);
index.Add(1, "me");
index.Add(2, "you");
var result = index.Search("me");
Assert.Single(result);
Assert.Equal(1, result.Single().Id);
Assert.Equal(3, result.Single().Similarity); // _m me e_
}
public void SimpleCount()
{
var source = new NGramSearch.IntersectionCountIndex <string>();
source.Add("first", "aaaa");
source.Add("second", "bbbb");
var result = source.Search("aaa");
Assert.Single(result);
Assert.Equal("first", result.First().Id);
Assert.Equal(3, result.First().Similarity); // _aa aaa aa_
}
public void RobertHas5FourGrams()
{
var actors = new NGramSearch.IntersectionCountIndex <int>(4);
actors.Add(1, "johnny depp");
actors.Add(2, "al pacino");
actors.Add(3, "robert de niro");
actors.Add(4, "kevin spacey");
var result = actors.Search("robert");
Assert.Single(result);
Assert.Equal(3, result.First().Id);
Assert.Equal(5, result.First().Similarity); // _rob robe ober bert ert_
}
