//     || byte1 == (byte) 0xF4 && byte2 > (byte) 0x8F)
            || (((byte1 << 28) + (byte2 - (byte) 0x90)) >> 30) != 0
            // Third byte trailing-byte test
            || bytes[index++] > (byte) 0xBF
            // Fourth byte trailing-byte test
            || bytes[index++] > (byte) 0xBF) {
          return false;
        }
      }
    }
  }

     * @param b the byte array to check
     * @return true if the bytes represent UTF-8 BOM, false otherwise
     */
    private boolean isUtf8BomBytes(final byte[] b) {
        return b[0] == (byte) 0xEF && b[1] == (byte) 0xBB && b[2] == (byte) 0xBF;
    }

    /**
     * Sets whether to process Google on/off comment directives.
     *
     * @param useGoogleOffOn true to enable Google on/off processing, false to disable

0x7f, 0xfe, 0x3e, 0x43, 0xf2, 0xf8, 0xc4, 0x4, 0x91, 0xd9, 0xee, 0x2e, 0x1, 0x6, 0xc5, 0x1, 0x4b, 0x82, 0xa4, 0x54, 0x79, 0x70, 0x65, 0x1, 0xa5, 0x56, 0x32, 0x4f, 0x62, 0x6a, 0xde, 0x0, 0x11, 0xa2, 0x49, 0x44, 0xc4, 0x10, 0xe6, 0xb4, 0xa8, 0xe0, 0xc6, 0x3d, 0x40, 0x7a, 0x87, 0x61, 0xf2, 0x43, 0x41, 0xdf, 0xcb, 0x93, 0xa4, 0x44, 0x44, 0x69, 0x72, 0xc4, 0x10, 0xfd, 0x76, 0xe, 0x16, 0xfc, 0x17, 0x4d, 0x38, 0xbc, 0xac, 0x18, 0xde, 0x36, 0xae, 0xd7, 0x48, 0xa6, 0x45, 0x63, 0x41, 0x6c, 0x67, 0x6f, 0x1,...

        setPrivateField(response, "capabilities", 0x7F);

        // When
        int caps = response.getCapabilities();

        // Then
        assertEquals(0x7F, caps);
    }

    @Test
    @DisplayName("Should return common capabilities")
    void testGetCommonCapabilities() throws Exception {
        // Given
        setPrivateField(response, "commonCapabilities", 0x3F);

        // When

                    i += 2;
                } else {
                    break;
                }
            } else if ((b & 0xF0) == 0xE0) {
                // Three byte character
                if (i + 2 < bytes.length) {
                    chars[charIndex++] = (char) (((b & 0x0F) << 12) | ((bytes[i + 1] & 0x3F) << 6) | (bytes[i + 2] & 0x3F));

        key8[0] = (byte) (key7[0] >> 1 & 0xff);
        key8[1] = (byte) (((key7[0] & 0x01) << 6 | (key7[1] & 0xff) >> 2 & 0xff) & 0xff);
        key8[2] = (byte) (((key7[1] & 0x03) << 5 | (key7[2] & 0xff) >> 3 & 0xff) & 0xff);
        key8[3] = (byte) (((key7[2] & 0x07) << 4 | (key7[3] & 0xff) >> 4 & 0xff) & 0xff);
        key8[4] = (byte) (((key7[3] & 0x0F) << 3 | (key7[4] & 0xff) >> 5 & 0xff) & 0xff);

                }
                uni[ui] = (char) ((ch & 0x0F) << 12);
                ch = src[si] & 0xFF;
                si++;
                if ((ch & 0xC0) != 0x80) {
                    throw new IOException("Invalid UTF-8 sequence");
                }
                uni[ui] |= (ch & 0x3F) << 6;
                ch = src[si++] & 0xFF;
                uni[ui] |= ch & 0x3F;
                if ((ch & 0xC0) != 0x80 || uni[ui] < 0x800) {

    void testEncode() {
        byte[] testBytes = new byte[] { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, (byte) 0x88, (byte) 0x99, (byte) 0xAA, (byte) 0xBB,
                (byte) 0xCC, (byte) 0xDD, (byte) 0xEE, (byte) 0xFF, 0x00 };

        Smb2LeaseKey key = new Smb2LeaseKey(testBytes);
        byte[] buffer = new byte[20];

        key.encode(buffer, 2);

        for (int i = 0; i < 16; i++) {

@DisplayName("Hexdump Utility Tests")
class HexdumpTest extends BaseTest {

    @Test
    @DisplayName("Should convert byte array to hex string")
    void testToHexString() {
        // Given
        byte[] data = { 0x00, 0x0F, (byte) 0xFF, 0x7F, (byte) 0x80 };

        // When
        String result = Hexdump.toHexString(data);

        // Then
        assertNotNull(result);
        assertEquals("000FFF7F80", result);
    }

    @Test

        assertEquals(60000L, context.getMaxCacheAge());

        context.setNotificationEnabled(false);
        assertFalse(context.isNotificationEnabled());

        context.setNotificationFilter(0xFF);
        assertEquals(0xFF, context.getNotificationFilter());
    }

    @Test
    public void testSize() {
        Smb2LeaseKey key = new Smb2LeaseKey();