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); {

    // These will have the same first 4 bytes (all 0).
    byte[] bytesA = new byte[5];
    byte[] bytesB = new byte[5];

    // Change only the last (5th) byte
    bytesA[4] = (byte) 0xbe;
    bytesB[4] = (byte) 0xef;

    HashCode hashCodeA = HashCode.fromBytes(bytesA);
    HashCode hashCodeB = HashCode.fromBytes(bytesB);

    // They aren't equal...

    // These will have the same first 4 bytes (all 0).
    byte[] bytesA = new byte[5];
    byte[] bytesB = new byte[5];

    // Change only the last (5th) byte
    bytesA[4] = (byte) 0xbe;
    bytesB[4] = (byte) 0xef;

    HashCode hashCodeA = HashCode.fromBytes(bytesA);
    HashCode hashCodeB = HashCode.fromBytes(bytesB);

    // They aren't equal...

	if !Equal(buf.Bytes(), b) {
		t.Fatalf("incorrect result from WriteRune: %q not %q", buf.Bytes(), b)
	}

	p := make([]byte, utf8.UTFMax)
	// Read it back with ReadRune
	for r := rune(0); r < NRune; r++ {
		size := utf8.EncodeRune(p, r)
		nr, nbytes, err := buf.ReadRune()
		if nr != r || nbytes != size || err != nil {
			t.Fatalf("ReadRune(%U) got %U,%d not %U,%d (err=%s)", r, nr, nbytes, r, size, err)
		}

        } else {
            final byte[] fnBytes = this.fileName.getBytes(StandardCharsets.UTF_16LE);
            SMBUtil.writeInt2(dstIndex - getHeaderStart(), dst, fnOffsetOffset);
            SMBUtil.writeInt2(fnBytes.length, dst, fnLengthOffset);
            System.arraycopy(fnBytes, 0, dst, dstIndex, fnBytes.length);
            dstIndex += fnBytes.length;
        }
        return dstIndex - start;
    }

	b.lastRead = opInvalid
	if nBytes := b.Len(); nBytes > 0 {
		m, e := w.Write(b.buf[b.off:])
		if m > nBytes {
			panic("bytes.Buffer.WriteTo: invalid Write count")
		}
		b.off += m
		n = int64(m)
		if e != nil {
			return n, e
		}
		// all bytes should have been written, by definition of
		// Write method in io.Writer
		if m != nBytes {
			return n, io.ErrShortWrite
		}
	}

    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

func (ahs *allHealState) PopHealStatusJSON(hpath string,
	clientToken string) ([]byte, APIErrorCode,
) {
	// fetch heal state for given path
	h, exists := ahs.getHealSequence(hpath)
	if !exists {
		// heal sequence doesn't exist, must have finished.
		jbytes, err := json.Marshal(healSequenceStatus{
			Summary: healFinishedStatus,
		})
		return jbytes, toAdminAPIErrCode(GlobalContext, err)
	}

        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