}

    // Test with different origin formats
    public void test_doFilter_differentOrigins() throws Exception {
        String[] origins = { "http://localhost:8080", "https://example.com", "http://subdomain.example.com", "https://example.com:3000" };

        for (String origin : origins) {
            setUp(); // Reset for each test
            mockRequest.setHeader("Origin", origin);
            mockRequest.setMethod("GET");

            corsHandler.process(origin, request, response);

            assertTrue("process should be called for origin: " + origin, processCalled);
            assertEquals(origin, processOrigin);

            List<String> originHeaders = responseHeaders.get("Access-Control-Allow-Origin");
            assertNotNull("Headers should be set for origin: " + origin, originHeaders);

    this.supportsFastOffset = supportsFastOffset;
  }

  /**
   * Returns, conceptually, "origin + distance", or equivalently, the result of calling {@link
   * #next} on {@code origin} {@code distance} times.
   */
  C offset(C origin, long distance) {
    C current = origin;
    checkNonnegative(distance, "distance");
    for (long i = 0; i < distance; i++) {
      current = next(current);

    public static final String SAME_ORIGIN = "same-origin";
    public static final String ORIGIN = "origin";
    public static final String STRICT_ORIGIN = "strict-origin";
    public static final String ORIGIN_WHEN_CROSS_ORIGIN = "origin-when-cross-origin";
    public static final String STRICT_ORIGIN_WHEN_CROSS_ORIGIN = "strict-origin-when-cross-origin";
    public static final String UNSAFE_URL = "unsafe-url";
  }

    this.supportsFastOffset = supportsFastOffset;
  }

  /**
   * Returns, conceptually, "origin + distance", or equivalently, the result of calling {@link
   * #next} on {@code origin} {@code distance} times.
   */
  C offset(C origin, long distance) {
    C current = origin;
    checkNonnegative(distance, "distance");
    for (long i = 0; i < distance; i++) {
      current = next(current);

     *     service is the origin of the stream. When zero, the origin is specified in the `origin`
     *     parameter.
     * @param origin when present, the [origin](http://tools.ietf.org/html/rfc6454) is typically
     *     represented as a combination of scheme, host and port. When empty, the origin is that of
     *     the `streamId`.

   6. Trademarks. This License does not grant permission to use the trade
      names, trademarks, service marks, or product names of the Licensor,
      except as required for reasonable and customary use in describing the
      origin of the Work and reproducing the content of the NOTICE file.

   7. Disclaimer of Warranty. Unless required by applicable law or
      agreed to in writing, Licensor provides the Work (and each

  }

  public void testSetFutureSelf_cancel() {
    SettableFuture<String> orig = SettableFuture.create();
    orig.setFuture(orig);
    orig.cancel(true);
    assertTrue(orig.isCancelled());
  }

  public void testSetFutureSelf_toString() {
    SettableFuture<String> orig = SettableFuture.create();
    orig.setFuture(orig);
    assertThat(orig.toString()).contains("[status=PENDING, setFuture=[this future]]");
  }

    assertThrows(IllegalArgumentException.class, () -> domain.child("www."));
  }

  public void testParentChild() {
    InternetDomainName origin = InternetDomainName.from("foo.com");
    InternetDomainName parent = origin.parent();
    assertEquals("com", parent.toString());

    // These would throw an exception if leniency were not preserved during parent() and child()
    // calls.

   6. Trademarks. This License does not grant permission to use the trade
      names, trademarks, service marks, or product names of the Licensor,
      except as required for reasonable and customary use in describing the
      origin of the Work and reproducing the content of the NOTICE file.

   7. Disclaimer of Warranty. Unless required by applicable law or
      agreed to in writing, Licensor provides the Work (and each