assertFalse(name, domain.isPublicSuffix());
      assertFalse(name, domain.hasPublicSuffix());
      assertFalse(name, domain.isUnderPublicSuffix());
      assertFalse(name, domain.isTopPrivateDomain());
      assertNull(domain.publicSuffix());
    }

    for (String name : NON_PS) {
      InternetDomainName domain = InternetDomainName.from(name);
      assertFalse(name, domain.isPublicSuffix());

    assertEquals("bar", getOnlyElement(iterable, "bar"));
  }

  public void testGetOnlyElement_withDefault_empty_null() {
    Iterable<String> iterable = emptyList();
    assertNull(Iterables.<@Nullable String>getOnlyElement(iterable, null));
  }

  public void testGetOnlyElement_withDefault_multiple() {
    Iterable<String> iterable = asList("foo", "bar");

    assertEquals("bar", getOnlyElement(iterator, "bar"));
  }

  public void testGetOnlyElement_withDefault_empty_null() {
    Iterator<String> iterator = emptyIterator();
    assertNull(Iterators.<@Nullable String>getOnlyElement(iterator, null));
  }

  public void testGetOnlyElement_withDefault_two() {
    Iterator<String> iterator = asList("foo", "bar").iterator();

    String string = source.read();
    assertExpectedString(string);
  }

  public void testReadFirstLine() throws IOException {
    if (expectedLines.isEmpty()) {
      assertNull(source.readFirstLine());
    } else {
      assertEquals(expectedLines.get(0), source.readFirstLine());
    }
  }

  public void testReadLines_toList() throws IOException {

        }
    }

    public void test_addShutdownListener_null() {
        // Test adding null listener
        jobExecutor.addShutdownListener(null);
        assertNull(jobExecutor.shutdownListener);

        // Shutdown with null listener should throw NullPointerException
        try {
            jobExecutor.shutdown();
            fail("Expected NullPointerException");

        result = (String) method.invoke(keyMatchHelper, "Mixed_Case");
        assertEquals("mixed_case", result);

        result = (String) method.invoke(keyMatchHelper, (String) null);
        assertNull(result);

        result = (String) method.invoke(keyMatchHelper, "");
        assertEquals("", result);

        result = (String) method.invoke(keyMatchHelper, "Test123");

        ProtwordsFile.ProtwordsUpdater updater = protwordsFile.new ProtwordsUpdater(item);

        // Write the same item (should delete)
        ProtwordsItem result = updater.write(item);

        assertNull(result);

        updater.close();
    }

    public void test_ProtwordsUpdater_write_mismatchException() {
        protwordsFile.reload(null);

        // Create an item for update

import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;

        QueryBuilder builder = queryCommand.convertTermQuery(queryContext, (TermQuery) query, 1.0f);
        if (text.startsWith("sort:")) {
            assertNull(builder);
        } else {
            logger.info("{} => {}", text, builder.toString());
            assertEquals(expectedClass, builder.getClass());

        RangeQueryBuilder rangeQuery = (RangeQueryBuilder) deleteQuery;
        assertEquals(expiresFieldName, rangeQuery.fieldName());
        assertEquals("now", rangeQuery.to());
        assertNull(rangeQuery.from());
    }

    public void test_execute_multipleExecutions() {
        // Execute the job multiple times
        String result1 = purgeDocJob.execute();

        // Reset the flag