public void TestJaccardSimilarityWithDifferentValues()
{
Assert.AreEqual(4 / (decimal)5, Similarity.CalculateJaccardSimilarity("test1", "test2").Value);
Assert.AreEqual(0, Similarity.CalculateJaccardSimilarity("test", string.Empty).Value);
Assert.AreEqual(0, Similarity.CalculateJaccardSimilarity(string.Empty, "test").Value);
Assert.AreEqual(0, Similarity.CalculateJaccardSimilarity("test", "a").Value);
Assert.AreEqual(0, Similarity.CalculateJaccardSimilarity("a", "test").Value);
Assert.AreEqual((decimal)1 / 4, Similarity.CalculateJaccardSimilarity("test", "aeaa").Value);
Assert.AreEqual((decimal)1 / 4, Similarity.CalculateJaccardSimilarity("aeaa", "test").Value);
Assert.AreEqual(0, Similarity.CalculateJaccardSimilarity("abcd", "efgh").Value);
Assert.AreEqual((decimal)3 / 8, Similarity.CalculateJaccardSimilarity("xx345xxx", "yy345yyy").Value);
Assert.AreEqual((decimal)5 / 8, Similarity.CalculateJaccardSimilarity("12xxx678", "12yyy678").Value);
}
public void TestJaccardIndexSimilarityWithCompletelyDifferentStrings()
{
Assert.AreEqual(0, Similarity.CalculateJaccardSimilarity("abcd", "efgh").Value);
}
public void TestCalculateJaccardSimilarityWithEqualStrings()
{
string testString = "test";
Assert.AreEqual(1, Similarity.CalculateJaccardSimilarity(testString, testString).Value);
}