item.setNewInput("");
        assertTrue(item.isDeleted());

        item.setNewInput(null);
        assertFalse(item.isDeleted());
    }

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

        item.setNewInput("");
        assertTrue(item.isDeleted());

        item.setNewInput(null);
        assertFalse(item.isDeleted());
    }

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

import org.junit.jupiter.api.Test;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

public class PrunedTagTest extends UnitFessTestCase {

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

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

    }

    @Test
    public void test_equals() {

        // Should not throw exception
        item.sort();

        // Original inputs should still be sorted
        assertEquals("a", item.getInputs()[0]);
    }

    @Test
    public void test_hashCode() {
        String[] inputs1 = { "a", "b" };
        String[] inputs2 = { "a", "b" };
        String[] inputs3 = { "c", "d" };

        CharMappingItem item1 = new CharMappingItem(1L, inputs1, "output");