protected static final int VALID_INPUT_DATA = 1;
  protected static final Exception EXCEPTION = new Exception("Test exception");

  protected SettableFuture<Integer> inputFuture;
  protected ListenableFuture<T> resultFuture;
  protected MockFutureListener listener;

  @Override
  protected void setUp() throws Exception {
    super.setUp();

    inputFuture = SettableFuture.create();

    @Test
    public void test_getFieldValues_nullDocument() throws Exception {
        Map<String, Object> document = new HashMap<>();
        String[] values = parser.getFieldValues(document, "nonexistent");

        assertEquals("Non-existent field should return empty array", 0, values.length);
    }

    @Test
    public void test_getFieldValues_emptyList() throws Exception {
        Map<String, Object> document = new HashMap<>();

public class FullWidthToHalfWidthAlphabetNormalizerTest {

    @Test
    public void test_constructor() throws Exception {
        FullWidthToHalfWidthAlphabetNormalizer normalizer = new FullWidthToHalfWidthAlphabetNormalizer();
        assertNotNull(normalizer);
    }

    @Test
    public void test_lowercaseAlphabet() throws Exception {
        FullWidthToHalfWidthAlphabetNormalizer normalizer = new FullWidthToHalfWidthAlphabetNormalizer();

    }

    /**
     * @throws Exception
     */
    @Test
    public void testTimeConverter() throws Exception {
        assertThat(new CopyOptions().timeConverter("ss").convertValue(new java.sql.Time(0), "aaa", String.class), is((Object) "00"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testTimestampConverter() throws Exception {

        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    @Test
    public void test_serialVersionUID() {
        // Test that exception is serializable
        String message = "Serialization test";
        LdapOperationException exception = new LdapOperationException(message);

     * @throws Exception
     */
    @Test
    public void testCopy_mapToNewBean() throws Exception {
        final BeanMap src = new BeanMap();
        src.put("aaa", "aaa");
        final MyBean dest = BeanUtil.copyMapToNewBean(src, MyBean.class);
        assertThat(dest.aaa, is("aaa"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testCopy_mapToNewMap() throws Exception {

        }

        ContentNotFoundException exception = new ContentNotFoundException(longParentUrl.toString(), longUrl.toString());

        assertNotNull(exception);
        assertTrue(exception.getMessage().startsWith("Not Found: http://example.com/"));
        assertTrue(exception.getMessage().contains("Parent: http://example.com/"));
        assertNull(exception.getCause());
    }

    @Test

    }

    /**
     * @throws Exception
     */
    @Test
    public void testLtrim() throws Exception {
        assertEquals("1", "trim", StringUtil.ltrim("zzzytrim", "xyz"));
        assertEquals("2", "", StringUtil.ltrim("xyz", "xyz"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testRtrim() throws Exception {

     * exception. But there's another race: If the first thread fails with an exception and a second
     * thread immediately fails with the same exception:
     *
     * Thread1: calls setException(), which returns true, context switch before it can CAS
     * seenExceptionsField to its exception
     *

        assertNull(exceptions[1], "Clear thread threw exception");
    }

    /**
     * Test iteration over deleteUrlList while synchronized.
     * This simulates what happens in deleteDocuments() method.
     */
    @Test
    public void test_deleteUrlList_iteration() throws Exception {
        IndexUpdateCallback mockCallback = new IndexUpdateCallback() {
            @Override