public void TestApplyTrimStopWords() { Assert.AreEqual("rock", WordUtil.ApplyTrimStopwords("rock", stoplist, normalizer)); Assert.AreEqual(null, WordUtil.ApplyTrimStopwords("the", stoplist, normalizer)); Assert.AreEqual("rock", WordUtil.ApplyTrimStopwords("the rock is", stoplist, normalizer)); Assert.AreEqual(null, WordUtil.ApplyTrimStopwords("the is a why", stoplist, normalizer)); // TODO see if it makes sense to return null instead Assert.AreEqual(" ", WordUtil.ApplyTrimStopwords(" ", stoplist, normalizer)); }