assertTrue(ex.getMessage().contains("Context disposal failed"));
        }

        @Test
        @DisplayName("dispose with null context is no-op")
        void dispose_nullContext_noop() throws Exception {
            setPrivateField(ctx, "gssContext", null);
            assertDoesNotThrow(() -> ctx.dispose());
        }
    }

                }
                throw new ClassCastException("Cannot unwrap to " + type.getName());
            }

            @Override
            public void close() {
                // no-op for test
            }
        }
        assertThrows(ClassCastException.class, () -> transport.unwrap(OtherTransport.class));
    }

    @Test

    cleanUp();
  }

  /**
   * Repeatedly dequeues references from the queue and invokes {@link
   * FinalizableReference#finalizeReferent()} on them until the queue is empty. This method is a
   * no-op if the background thread was created successfully.
   */
  void cleanUp() {
    if (threadStarted) {
      return;
    }

    Reference<?> reference;
    while ((reference = queue.poll()) != null) {

  }

  /**
   * Mark an access of the specified entry. Used only in {@code CompactLinkedHashMap} for LRU
   * ordering.
   */
  void accessEntry(int index) {
    // no-op by default
  }

  @CanIgnoreReturnValue
  @Override
  public @Nullable V put(@ParametricNullness K key, @ParametricNullness V value) {
    if (needsAllocArrays()) {
      allocArrays();
    }

    assertThrows(IllegalArgumentException.class, () -> sub.put(Range.open(9, 12), 5));

    RangeMap<Integer, Integer> subSub = sub.subRangeMap(Range.closedOpen(5, 5));
    subSub.put(Range.closedOpen(5, 5), 6); // should be a no-op
    assertEquals(
        ImmutableMap.of(
            Range.open(3, 7),
            1,
            Range.closed(7, 9),
            4,
            Range.openClosed(9, 10),
            2,

        new AbstractService() {
          @Override
          protected void doStart() {
            notifyFailed(new IllegalStateException("start failure"));
            notifyStopped(); // This will be a no-op.
          }

          @Override
          protected void doStop() {
            notifyStopped();
          }
        };
    ServiceManager manager = new ServiceManager(asList(a));

    reader.nextFrame(
      requireSettings = false,
      object : BaseTestHandler() {
        override fun settings(
          clearPrevious: Boolean,
          settings: Settings,
        ) {
          // no-op
        }
      },
    )
  }

  @Test fun readSettingsFrameNegativeWindowSize() {
    writeMedium(frame, 6) // 2 for the code and 4 for the value
    frame.writeByte(Http2.TYPE_SETTINGS)

            final int threadId = t;
            executor.submit(() -> {
                try {
                    for (int i = 0; i < opsPerThread; i++) {
                        byte[] data = String.format("Thread%d-Op%d", threadId, i).getBytes();
                        byte[] encrypted = context.encryptMessage(data, threadId * 100L + i);
                        byte[] decrypted = context.decryptMessage(encrypted);

            try {
                digest.sign(data, 0, data.length, request, response);
                // If no exception is thrown, the operation should have been no-op or handled gracefully
                assertTrue(true, "Sign operation after close should either throw exception or handle gracefully");
            } catch (RuntimeException e) {

     */
    InputStream openInputStream() throws CIFSException;

    /**
     * Close/release the file
     *
     * This releases all resources that this file holds. If not using strict mode this is currently a no-op.
     *
     * @see java.lang.AutoCloseable#close()
     */
    @Override
    void close();

    /**
     * Fetch all children
     *
     * @return an iterator over the child resources