public virtual void TestInform()
        {
            //IResourceLoader loader = new ClasspathResourceLoader(typeof(TestStopFilter));
            IResourceLoader loader = new ClasspathResourceLoader(typeof(TestAnalyzers)); // LUCENENET: Need to set to a type that is in the same path as the files

            assertTrue("loader is null and it shouldn't be", loader != null);
            CommonGramsFilterFactory factory = (CommonGramsFilterFactory)TokenFilterFactory("CommonGrams", TEST_VERSION_CURRENT, loader, "words", "stop-1.txt", "ignoreCase", "true");
            CharArraySet             words   = factory.CommonWords;

            assertTrue("words is null and it shouldn't be", words != null);
            assertTrue("words Size: " + words.size() + " is not: " + 2, words.size() == 2);
            assertTrue(factory.IgnoreCase + " does not equal: " + true, factory.IgnoreCase == true);

            factory = (CommonGramsFilterFactory)TokenFilterFactory("CommonGrams", TEST_VERSION_CURRENT, loader, "words", "stop-1.txt, stop-2.txt", "ignoreCase", "true");
            words   = factory.CommonWords;
            assertTrue("words is null and it shouldn't be", words != null);
            assertTrue("words Size: " + words.size() + " is not: " + 4, words.size() == 4);
            assertTrue(factory.IgnoreCase + " does not equal: " + true, factory.IgnoreCase == true);

            factory = (CommonGramsFilterFactory)TokenFilterFactory("CommonGrams", TEST_VERSION_CURRENT, loader, "words", "stop-snowball.txt", "format", "snowball", "ignoreCase", "true");
            words   = factory.CommonWords;
            assertEquals(8, words.size());
            assertTrue(words.contains("he"));
            assertTrue(words.contains("him"));
            assertTrue(words.contains("his"));
            assertTrue(words.contains("himself"));
            assertTrue(words.contains("she"));
            assertTrue(words.contains("her"));
            assertTrue(words.contains("hers"));
            assertTrue(words.contains("herself"));
        }
        public virtual void TestDefaults()
        {
            CommonGramsFilterFactory factory = (CommonGramsFilterFactory)TokenFilterFactory("CommonGrams");
            CharArraySet             words   = factory.CommonWords;

            assertTrue("words is null and it shouldn't be", words != null);
            assertTrue(words.contains("the"));
            Tokenizer   tokenizer = new MockTokenizer(new StringReader("testing the factory"), MockTokenizer.WHITESPACE, false);
            TokenStream stream    = factory.Create(tokenizer);

            AssertTokenStreamContents(stream, new string[] { "testing", "testing_the", "the", "the_factory", "factory" });
        }