// Tamper with the encrypted data
        encrypted[encrypted.length - 1] ^= 0xFF;

        // Should throw exception due to authentication tag failure
        assertThrows(GeneralSecurityException.class, () -> {
            storage.decryptCredentials(encrypted);
        }, "Should throw GeneralSecurityException when decrypting tampered data");

        // Clean up
        Arrays.fill(plaintext, '\0');
    }

        return hasNext;
    }

    @Override
    public E next() {
        if (!hasNext) {
            throw new NoSuchElementException();
        }
        hasNext = false;
        return value;
    }

    @Override
    public void remove() {
        throw new ClUnsupportedOperationException("remove");
    }

    unfiltered.put("two", 2);
    unfiltered.put("three", 3);
    unfiltered.put("four", 4);
    assertEquals(ImmutableMap.of("two", 2, "three", 3, "four", 4), unfiltered);
    assertEquals(ImmutableMap.of("three", 3, "four", 4), filtered);

    unfiltered.remove("three");
    assertEquals(ImmutableMap.of("two", 2, "four", 4), unfiltered);

    // Test add method with null name
    public void test_add_nullName() {
        TestScriptEngine engine = new TestScriptEngine();
        try {
            scriptEngineFactory.add(null, engine);
            fail("Should throw IllegalArgumentException for null name");
        } catch (IllegalArgumentException e) {
            assertEquals("name or scriptEngine is null.", e.getMessage());
        }
    }

    // Test add method with null engine

  // clean up these threads.
  @SuppressWarnings("deprecation")
  @Override
  public void tearDown() throws Exception {
    stop();
    join();

    if (uncaughtThrowable != null) {
      throw new AssertionError("Uncaught throwable in " + getName(), uncaughtThrowable);
    }
  }

  /**
   * Causes this thread to call the named void method, and asserts that the call returns normally.
   */

        .build()
    assertFailsWith<IOException> {
      getResponse(newRequest("/"))
    }.also { expected ->
      when (expected) {
        is SSLException, is TlsFatalAlert -> {}
        else -> throw expected
      }
    }
  }

  // TODO(jwilson): tests below this marker need to be migrated to OkHttp's request/response API.
  @Test
  fun connectViaHttpsWithSSLFallback() {

      "FINE: Q10000 scheduled after 100 µs: task three",
      "FINE: Q10000 starting              : task one",
      "FINE: Q10000 finished run in   0 µs: task one",
      "FINE: Q10000 starting              : task two",
      "FINE: Q10000 finished run in   0 µs: task two",
      "FINE: Q10000 starting              : task three",
      "FINE: Q10000 finished run in   0 µs: task three",
    )
  }

   */
  @CanIgnoreReturnValue // pushed down from class to method
  @Override
  public int drainTo(Collection<? super E> c) {
    if (c == null) throw new NullPointerException();
    if (c == this) throw new IllegalArgumentException();
    Monitor monitor = this.monitor;
    monitor.enter();
    try {
      int n = 0;
      E e;
      while ((e = q.poll()) != null) {

            return new Metadata(new MetadataStaxReader().read(in, false));
        } catch (FileNotFoundException e) {
            throw new RepositoryMetadataReadException("Cannot read metadata from '" + mappingFile + "'", e);
        } catch (IOException | XMLStreamException e) {
            throw new RepositoryMetadataReadException(
                    "Cannot read metadata from '" + mappingFile + "': " + e.getMessage(), e);
        }

        } catch (Exception e) {
            throw new RuntimeException("Failed to set field " + fieldName, e);
        }
    }

    private Object getFieldValue(Object obj, String fieldName) {
        try {
            Field field = findField(obj.getClass(), fieldName);
            field.setAccessible(true);
            return field.get(obj);
        } catch (Exception e) {