}
        int byte2 = bytes[index++];
        if (byte2 > (byte) 0xBF
            // Overlong? 5 most significant bits must not all be zero.
            || (byte1 == (byte) 0xE0 && byte2 < (byte) 0xA0)
            // Check for illegal surrogate codepoints.
            || (byte1 == (byte) 0xED && byte2 >= (byte) 0xA0)
            // Third byte trailing-byte test.
            || bytes[index++] > (byte) 0xBF) {
          return false;

    void testReadWithDifferentReservedValues(int byte2, int byte3) throws SMBProtocolDecodingException {
        // Given
        byte[] buffer = new byte[256];

        // Write structure size (4)
        SMBUtil.writeInt2(4, buffer, 0);
        // Write reserved field (any value is acceptable)
        buffer[2] = (byte) byte2;
        buffer[3] = (byte) byte3;

        // When

    return new String(chars);
  }

  private static byte[] toByteArray(int... bytes) {
    byte[] realBytes = new byte[bytes.length];
    for (int i = 0; i < bytes.length; i++) {
      realBytes[i] = (byte) bytes[i];
    }
    return realBytes;
  }

  private static void assertWellFormed(int... bytes) {
    assertTrue(Utf8.isWellFormed(toByteArray(bytes)));
  }

	return Map(c.ToTitle, s)
}

// ToValidUTF8 treats s as UTF-8-encoded bytes and returns a copy with each run of bytes
// representing invalid UTF-8 replaced with the bytes in replacement, which may be empty.
func ToValidUTF8(s, replacement []byte) []byte {
	b := make([]byte, 0, len(s)+len(replacement))
	invalid := false // previous byte was from an invalid UTF-8 sequence
	for i := 0; i < len(s); {

        // Encode multiple times to verify consistency
        byte[] buffer1 = new byte[8];
        byte[] buffer2 = new byte[8];

        int bytes1 = info.encode(buffer1, 0);
        int bytes2 = info.encode(buffer2, 0);

        assertEquals(8, bytes1);
        assertEquals(8, bytes2);
        assertArrayEquals(buffer1, buffer2);
    }

    @Test

        // Compare the bytes. Note that the file stores UTF-8 encoded bytes, so we must compare the
        // unsigned bytes.
        var compareResult: Int
        var currentLabelIndex = labelIndex
        var currentLabelByteIndex = 0
        var publicSuffixByteIndex = 0

        var expectDot = false
        while (true) {
          val byte0: Int
          if (expectDot) {

        byte[] buffer1 = new byte[256];
        byte[] buffer2 = new byte[256];

        // When
        int bytes1 = request.writeBytesWireFormat(buffer1, 0);
        int bytes2 = request.writeBytesWireFormat(buffer2, 10);

        // Then
        assertEquals(bytes1, bytes2);
        assertEquals(SMBUtil.readInt2(buffer1, 0), SMBUtil.readInt2(buffer2, 10));

    @Test
    @DisplayName("Should generate consistent byte representation")
    void testConsistentByteRepresentation() throws IOException {
        // Given
        Type1Message type1 = new Type1Message(mockContext);

        // When
        byte[] bytes1 = type1.toByteArray();
        byte[] bytes2 = type1.toByteArray();

        // Then
        assertArrayEquals(bytes1, bytes2);
    }

    @Test

                new byte[] {(byte) 2, (byte) 3, (byte) 4}))
        .isEqualTo(2);
    assertThat(
            Bytes.indexOf(
                new byte[] {(byte) 2, (byte) 2, (byte) 3, (byte) 4, (byte) 2, (byte) 3, (byte) 4},
                new byte[] {(byte) 2, (byte) 3, (byte) 4}))
        .isEqualTo(1);
    assertThat(
            Bytes.indexOf(
                new byte[] {(byte) 4, (byte) 3, (byte) 2},

        byte[] buffer = new byte[bufferSize];

        // Path consumed (2 bytes) - value: 10 * 2 = 20
        SMBUtil.writeInt2(20, buffer, 0);

        // Number of referrals (2 bytes) - value: 1
        SMBUtil.writeInt2(1, buffer, 2);

        // Flags (2 bytes)
        SMBUtil.writeInt2(0x0003, buffer, 4);

        // Padding (2 bytes)
        buffer[6] = 0;