@Test
        @DisplayName("Should throw exception on negative buffer index")
        void testDecodeWithNegativeIndex() {
            assertThrows(SMBProtocolDecodingException.class, () -> testResponse.decode(testBuffer, -1, 10),
                    "Should throw exception for negative buffer index");
        }

        @Test
        @DisplayName("Should throw exception on negative length")
        void testDecodeWithNegativeLength() {

            assertEquals(expectedFreeSpace, freeSpace, "Should return correct free space");
            assertTrue(length >= 0, "Length should be non-negative");
            assertTrue(freeSpace >= 0, "Free space should be non-negative");
        }

        @Test
        @DisplayName("fileIndex should return valid index")
        void testFileIndex() throws CIFSException {
            // Given

 * it returns is "s". For values in [-499..499] this returns "  0 µs".
 *
 * The returned string attempts to be column-aligned to 6 characters. For negative and large values
 * the returned string may be longer.
 */
fun formatDuration(ns: Long): String {
  val s =
    when {
      ns <= -999_500_000 -> "${(ns - 500_000_000) / 1_000_000_000} s "

    public void test_byteCountToDisplaySize_edgeCases() {
        // Test negative values - should throw NullPointerException in private method via BigInteger.valueOf
        try {
            MemoryUtil.byteCountToDisplaySize(-1L);
            // If no exception, verify it handles negative as expected
        } catch (Exception e) {
            // Expected for negative values
        }

        // Test boundary values

}

// ReadAt implements the [io.ReaderAt] interface.
func (r *Reader) ReadAt(b []byte, off int64) (n int, err error) {
	// cannot modify state - see io.ReaderAt
	if off < 0 {
		return 0, errors.New("bytes.Reader.ReadAt: negative offset")
	}
	if off >= int64(len(r.s)) {
		return 0, io.EOF
	}
	n = copy(b, r.s[off:])
	if n < len(b) {
		err = io.EOF
	}
	return
}

// ReadByte implements the [io.ByteReader] interface.

      throw new IllegalArgumentException(
          "radix must be between MIN_RADIX and MAX_RADIX but was " + radix);
    }
    boolean negative = string.charAt(0) == '-';
    int index = negative ? 1 : 0;
    if (index == string.length()) {
      return null;
    }
    int digit = AsciiDigits.digit(string.charAt(index++));
    if (digit < 0 || digit >= radix) {
      return null;

}

fun String.toLongOrDefault(defaultValue: Long): Long =
  try {
    toLong()
  } catch (_: NumberFormatException) {
    defaultValue
  }

/**
 * Returns this as a non-negative integer, or 0 if it is negative, or [Int.MAX_VALUE] if it is too
 * large, or [defaultValue] if it cannot be parsed.
 */
internal fun String?.toNonNegativeInt(defaultValue: Int): Int {
  try {

        }

        @Test
        @DisplayName("Should throw exception on negative index")
        void testEncodeWithNegativeIndex() {
            assertThrows(IllegalArgumentException.class, () -> testRequest.encode(testBuffer, -1),
                    "Should throw exception for negative index");
        }

        @Test
        @DisplayName("Should throw exception on buffer overflow")

      default:
        throw new AssertionError();
    }
    return increment ? div + signum : div;
  }

  /**
   * Returns {@code x mod m}, a non-negative value less than {@code m}. This differs from {@code x %
   * m}, which might be negative.
   *
   * <p>For example:
   *
   * {@snippet :
   * mod(7, 4) == 3
   * mod(-7, 4) == 1
   * mod(-1, 4) == 3
   * mod(-8, 4) == 0
   * mod(8, 4) == 0

@GwtCompatible
@FunctionalInterface
public interface Weigher<K, V> {

  /**
   * Returns the weight of a cache entry. There is no unit for entry weights; rather they are simply
   * relative to each other.
   *
   * @return the weight of the entry; must be non-negative
   */
  int weigh(K key, V value);