assertThrows(CIFSException.class, () -> ctx.verifyMIC(data, null));
        }

        @Test
        @DisplayName("dispose toggles state and is not idempotent")
        void testDisposeBehavior() throws Exception {
            DummySSPContext ctx = new DummySSPContext(new byte[] { 1 }, true, null, null, 0, false);
            ctx.dispose();

   * escaper escapes all non-ASCII characters, even though <a
   * href="https://url.spec.whatwg.org/#url-code-points">many of these are accepted in modern
   * URLs</a>. (<a href="https://url.spec.whatwg.org/#path-state">If the escaper were to leave these
   * characters unescaped, they would be escaped by the consumer at parse time, anyway.</a>)
   * Additionally, the escaper escapes the slash character ("/"). While slashes are acceptable in

   */
  private static long hashLength65Plus(byte[] bytes, int offset, int length) {
    int seed = 81;
    // For strings over 64 bytes we loop. Internal state consists of 56 bytes: v, w, x, y, and z.
    long x = seed;
    @SuppressWarnings("ConstantOverflow")
    long y = seed * K1 + 113;
    long z = shiftMix(y * K2 + 113) * K2;
    long[] v = new long[2];

      b.append(longBitsToDouble(longs.get(i)));
      if (i == iMax) {
        return b.append(']').toString();
      }
      b.append(',').append(' ');
    }
  }

  /**
   * Saves the state to a stream (that is, serializes it).
   *
   * @serialData The length of the array is emitted (int), followed by all of its elements (each a
   *     {@code double}) in the proper order.
   */

                this.usageCount.set(0);

                // Clear mutable references to free memory
                // Note: Some fields may be final and cannot be nulled

                // Clear any other mutable state would go here
            }
        } catch (Exception e) {
            log.error("Failed to perform emergency file handle cleanup", e);
        }
    }

    /**

     * Test for close() idempotency.
     * Verifies that calling close multiple times has the same effect as calling it once.
     */
    @Test
    void testClose_idempotency() {
        // Mock a tree that tracks close state
        SmbTree idempotentTree = mock(SmbTree.class);
        doNothing().when(idempotentTree).close();

        // Close multiple times
        idempotentTree.close();
        idempotentTree.close();

   * AsyncFunction.apply}. Any heavyweight operations should occur in other threads responsible for
   * completing the returned {@code Future}.)
   *
   * <p>The returned {@code Future} attempts to keep its cancellation state in sync with that of the
   * input future and that of the future returned by the chain function. That is, if the returned
   * {@code Future} is cancelled, it will attempt to cancel the other two, and if either of the

        for (Thread thread : updateThreads) {
            thread.join(5000);
        }
        for (Thread thread : readThreads) {
            thread.join(5000);
        }

        // Verify final state
        assertEquals(100, entry.getChildren().size());
        assertTrue(entry.hasChanges());
    }

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