assertEquals(1, LogStream.level);

        LogStream.setLevel(3);
        assertEquals(3, LogStream.level);

        LogStream.setLevel(10);
        assertEquals(10, LogStream.level);

        // Test negative level
        LogStream.setLevel(-1);
        assertEquals(-1, LogStream.level);
    }

    @Test
    void testGetInstanceWithoutSetInstance() {
        // Test getInstance when no instance has been set

        )
        if (dateCharacter == !invert) return i
      }
      return limit
    }

    /**
     * Returns the positive value if [s] is positive, or [Long.MIN_VALUE] if it is either 0 or
     * negative. If the value is positive but out of range, this returns [Long.MAX_VALUE].
     *
     * @throws NumberFormatException if [s] is not an integer of any precision.
     */
    private fun parseMaxAge(s: String): Long {

          negativeToMaxValue(loadExceptionCount.sum()),
          negativeToMaxValue(totalLoadTime.sum()),
          negativeToMaxValue(evictionCount.sum()));
    }

    /** Returns {@code value}, if non-negative. Otherwise, returns {@link Long#MAX_VALUE}. */
    private static long negativeToMaxValue(long value) {
      return (value >= 0) ? value : Long.MAX_VALUE;
    }

      }
    }
    return s;
  }

  /** Escapes the given Unicode code point in UTF-8. */
  @Override
  protected char @Nullable [] escape(int cp) {
    // We should never get negative values here but if we do it will throw an
    // IndexOutOfBoundsException, so at least it will get spotted.
    if (cp < safeOctets.length && safeOctets[cp]) {
      return null;
    } else if (cp == ' ' && plusForSpace) {

        }

        @Test
        @DisplayName("Should handle negative offset")
        void testNegativeOffset() {
            request.setOffset(-1L);
            request.setData(new byte[10], 0, 10);

            byte[] buffer = new byte[256];
            int bytesWritten = request.writeBytesWireFormat(buffer, 0);

            // Negative value should be written as-is (interpreted as unsigned by receiver)

                { Long.MAX_VALUE, Long.MAX_VALUE, Long.MAX_VALUE, Long.MAX_VALUE }, // Max values
                { 1L, 2L, 3L, 4L }, // Small values
                { -1L, -2L, -3L, -4L } // Negative values (though unusual for file times)
        };

        for (long[] times : timeValues) {
            // Given
            FileBasicInfo info = new FileBasicInfo(times[0], // create time

        assertEquals(0, result);

        result = response.readSetupWireFormat(smallBuffer, Integer.MAX_VALUE, 0);
        assertEquals(0, result);

        // Test with negative length (should still return 0)
        result = response.readParametersWireFormat(smallBuffer, 0, -1);
        assertEquals(0, result);
    }

    @Test
    @DisplayName("Test command type is correct")

    assertThrows(
        NumberFormatException.class,
        () -> UnsignedBytes.parseUnsignedByte("0", Character.MAX_RADIX + 1));

    // The radix is used as an array index, so try a negative value.
    assertThrows(NumberFormatException.class, () -> UnsignedBytes.parseUnsignedByte("0", -1));
  }

  public void testToString() {
    // We can easily afford to test this exhaustively.

  // https://github.com/google/guava/issues/1781
  public void testOptimalNumOfHashFunctionsRounding() {
    assertEquals(5, BloomFilter.optimalNumOfHashFunctions(0.03));
  }

  /** Tests that we always get a non-negative optimal size. */
  public void testOptimalSize() {
    for (int n = 1; n < 1000; n++) {
      for (double fpp = Double.MIN_VALUE; fpp < 1.0; fpp += 0.001) {

        assertEquals(0x00, dst[13]);

        // Check security information
        assertEquals(0x12345678, SMBUtil.readInt4(dst, 14));
    }

    @Test
    @DisplayName("Test with negative FID value (should handle as unsigned)")
    void testNegativeFidValue() {
        int fid = -1; // Will be treated as 0xFFFF in unsigned 16-bit