return getProperties().keySet();
    }

    @Override
    public void list(final PrintStream out) {
        getProperties().list(out);
    }

    @Override
    public void list(final PrintWriter out) {
        getProperties().list(out);
    }

    @Override
    public synchronized void load(final InputStream inStream) throws IOException {
        final Properties prop = new Properties();

 */
public class HandlerTest extends PlainTestCase {
    @Override
    protected void setUp() throws Exception {
        super.setUp();
        new StandardCrawlerContainer();
    }

    /**
     * Test that the gcs protocol is correctly recognized.
     */
    public void test_protocol() throws Exception {
        URL url = new URL("gcs://bucket/object");

  @Override
  public void setUp() throws Exception {
    super.setUp();
    reference = new ValidTestObject(1, 2);
    equalsTester = new EqualsTester();
    equalObject1 = new ValidTestObject(1, 2);
    equalObject2 = new ValidTestObject(1, 2);
    notEqualObject1 = new ValidTestObject(0, 2);
  }

  /** Test null reference yields error */
  public void testAddNullReference() {

     */
    public void setClassLoadingStrategy(String classLoadingStrategy) {
        this.classLoadingStrategy = classLoadingStrategy;
    } // -- void setClassLoadingStrategy( String )

    /**
     * Set the group ID of the extension's artifact.
     *
     * @param groupId a groupId object.
     */
    public void setGroupId(String groupId) {
        this.groupId = groupId;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        final StandardCrawlerContainer container = new StandardCrawlerContainer().singleton("filenameExtractor", FilenameExtractor.class);
        filenameExtractor = container.getComponent("filenameExtractor");
    }

    /**
     * Test extraction with valid filename in parameters.
     */
    public void test_getText_withValidFilename() {

    private final int testServerTypes = NetServerEnum2.SV_TYPE_ALL;

    @BeforeEach
    void setUp() {
        netServerEnum2 = new NetServerEnum2(testDomain, testServerTypes);
    }

    /**
     * Test the constructor of NetServerEnum2.
     */
    @Test
    void testConstructor() {
        assertEquals(testDomain, netServerEnum2.domain);

  static final Predicate<Entry<String, Integer>> CORRECT_LENGTH =
      input -> input.getKey().length() == input.getValue();

  abstract Map<String, Integer> createUnfiltered();

  public void testFilteredKeysIllegalPut() {
    Map<String, Integer> unfiltered = createUnfiltered();
    Map<String, Integer> filtered = Maps.filterKeys(unfiltered, NOT_LENGTH_3);
    filtered.put("a", 1);
    filtered.put("b", 2);

  @CollectionSize.Require(absent = ZERO)
  public void testAddAtIndex_supportedPresent() {
    getList().add(0, e0());
    expectAdded(0, e0());
  }

  @ListFeature.Require(absent = SUPPORTS_ADD_WITH_INDEX)
  @CollectionSize.Require(absent = ZERO)
  /*
   * absent = ZERO isn't required, since unmodList.add() must
   * throw regardless, but it keeps the method name accurate.
   */
  public void testAddAtIndex_unsupportedPresent() {

   * separate method to make it somewhat more likely to be unreachable.
   */
  private static void createUnreachableLatchFinalizer(CountDownLatch latch) {
    Object unused =
        new Object() {
          @SuppressWarnings({"removal", "Finalize"}) // b/260137033
          @Override
          protected void finalize() {
            latch.countDown();
          }
        };
  }

  /**

public class CurlExceptionTest {

    @Test
    public void testConstructorWithMessage() {
        String message = "Test error message";
        CurlException exception = new CurlException(message);

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
        assertTrue(exception instanceof RuntimeException);
    }

    @Test
    public void testConstructorWithMessageAndCause() {