assertEquals("METADATA", SsoResponseType.METADATA.toString());
        assertEquals("LOGOUT", SsoResponseType.LOGOUT.toString());
    }

    @Test
    public void test_equals() {
        // Test equals method for enum constants
        assertTrue(SsoResponseType.METADATA.equals(SsoResponseType.METADATA));
        assertTrue(SsoResponseType.LOGOUT.equals(SsoResponseType.LOGOUT));

        assertEquals(hash1, hash2);

        // Consistent hashCode
        assertEquals(item1.hashCode(), item1.hashCode());
    }

    @Test
    public void test_equals() {
        // Test equals method
        StopwordsItem item1 = new StopwordsItem(1, "test");
        StopwordsItem item2 = new StopwordsItem(1, "test");
        StopwordsItem item3 = new StopwordsItem(2, "test");

        assertEquals(hash1, hash2);

        // Consistent hashCode
        assertEquals(item1.hashCode(), item1.hashCode());
    }

    @Test
    public void test_equals() {
        // Test equals method
        ProtwordsItem item1 = new ProtwordsItem(1, "word");
        ProtwordsItem item2 = new ProtwordsItem(2, "word");
        ProtwordsItem item3 = new ProtwordsItem(1, "different");

    @Test
    public void test_hashCode() {
        PrunedTag prunedtag = new PrunedTag("tag");

        assertTrue(prunedtag.hashCode() >= 0);

    }

    @Test
    public void test_equals() {

        PrunedTag prunedtag = new PrunedTag("tag");

        assertTrue(prunedtag.equals(prunedtag));
        assertEquals(false, prunedtag.equals(null));
        assertEquals(false, prunedtag.equals(""));

        synonymItem.setNewOutputs(new String[0]);
        assertTrue(synonymItem.isUpdated());
        assertTrue(synonymItem.isDeleted());
    }

    @Test
    public void test_equals1() {
        final SynonymItem synonymItem1 = new SynonymItem(1, new String[] { "a", "A" }, new String[] { "b", "B" });

        assertTrue(synonymItem1.equals(synonymItem1));

        assertFalse(kuromojiItem.isDeleted());

        kuromojiItem.setNewToken("");
        assertTrue(kuromojiItem.isUpdated());
        assertTrue(kuromojiItem.isDeleted());
    }

    @Test
    public void test_equals1() {
        final KuromojiItem kuromojiItem1 = new KuromojiItem(1, "t1", "s1", "r1", "p1");

        assertTrue(kuromojiItem1.equals(kuromojiItem1));