// The task thread waits for the latch, so we expect a timeout here.
    try {
      future.get(20, MILLISECONDS);
      fail("Should have timed out trying to get the value.");
    } catch (TimeoutException expected) {
    } finally {
      latch.countDown();
    }
  }

  /**
   * Tests that a canceled future throws a cancellation exception.
   *

  protected @NonNull C cellValue(Character character) {
    return (C) character;
  }

  // Only safe wrt. ClassCastException. Not null-safe (can be used to test expected Table NPEs)
  @SuppressWarnings("unchecked")
  protected C nullableCellValue(@Nullable Character character) {
    return (C) character;
  }

            // This can occur due to padding alignment differences between size8() and pad8()
            if (log.isDebugEnabled()) {
                log.debug("Size calculation mismatch: expected {} but got {} (difference: {})", exp, actual, actual - exp);
            }
        }
        return len;
    }

    /**
     * {@inheritDoc}
     *

            // When
            copy.encode(buffer, 0);

            // Then
            for (int i = 0; i < SOURCE_KEY_SIZE; i++) {
                byte expected = (byte) ((i % 2 == 0) ? 0xAA : 0x55);
                assertEquals(expected, buffer[i], "Pattern mismatch at position " + i);
            }
        }

        @Test
        @DisplayName("Should handle chunks with negative values")

    //                                                                        ============
    /**
     * Verifies that the CRUD mode matches the expected mode.
     *
     * @param crudMode the actual CRUD mode
     * @param expectedMode the expected CRUD mode
     */
    protected void verifyCrudMode(final int crudMode, final int expectedMode) {
        if (crudMode != expectedMode) {

    //                                                                        ============
    /**
     * Verifies that the CRUD mode matches the expected mode.
     *
     * @param crudMode the actual CRUD mode
     * @param expectedMode the expected CRUD mode
     */
    protected void verifyCrudMode(final int crudMode, final int expectedMode) {
        if (crudMode != expectedMode) {

    // Expected outputs are from realpath -s.
    doExtensiveTest("testdata/simplifypathwithabsoluteprefixtests.txt");
  }

  public void testExtensiveNoPrefix() throws IOException {
    /*
     * Inputs are <every possible 10-character string of characters "a./">
     *
     * Expected outputs are generated by the code itself, but they've been

            fail("Should block lowercase reserved name");
        } catch (SmbException e) {
            // Expected
        }

        try {
            validator.validatePath("\\share\\Con");
            fail("Should block mixed case reserved name");
        } catch (SmbException e) {
            // Expected
        }
    }

    @Test
    public void testValidFileExtensions() throws Exception {

        }
        return value;
    }

    /**
     * Validates array is not null and has expected length
     *
     * @param array the array to validate
     * @param expectedLength the expected length
     * @param fieldName the field name for error reporting
     * @throws IllegalArgumentException if array is invalid
     */

  public void testBigToDouble() {
    for (BigInteger b : ALL_BIGINTEGER_CANDIDATES) {
      if (b.doubleValue() != DoubleUtils.bigToDouble(b)) {
        failFormat(
            "Converting %s to double: expected doubleValue %s but got bigToDouble %s",
            b, b.doubleValue(), DoubleUtils.bigToDouble(b));
      }
    }
  }

  public void testEnsureNonNegative() {