SMBUtil.writeInt4(0, largeBuffer, bodyStart + 12);

        // Write test data
        if (dataLength > 0) {
            byte[] testData = new byte[dataLength];
            Arrays.fill(testData, (byte) 0x42);
            System.arraycopy(testData, 0, largeBuffer, dataOffsetFromHeader, dataLength);
        }

        // Use reflection to set headerStart

	// map header, size 4
	// string "Name"
	o = append(o, 0x84, 0xa4, 0x4e, 0x61, 0x6d, 0x65)
	o = msgp.AppendString(o, z.Name)
	// string "NextCycle"
	o = append(o, 0xa9, 0x4e, 0x65, 0x78, 0x74, 0x43, 0x79, 0x63, 0x6c, 0x65)
	o = msgp.AppendUint32(o, z.NextCycle)
	// string "LastUpdate"
	o = append(o, 0xaa, 0x4c, 0x61, 0x73, 0x74, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65)
	o = msgp.AppendTime(o, z.LastUpdate)
	// string "SkipHealing"

    
    SmbFile file = new SmbFile("smb://server/share/largefile.dat", context);
    
    // Measure RDMA transfer performance
    byte[] data = new byte[10485760];  // 10MB
    Arrays.fill(data, (byte)0x42);
    
    long start = System.currentTimeMillis();
    
    try (OutputStream os = file.getOutputStream()) {
        os.write(data);
    }
    
    long writeTime = System.currentTimeMillis() - start;

            int off = inv.getArgument(1);
            b[off] = 0x01;
            b[off + 1] = 0x02;
            b[off + 2] = 0x03;
            b[off + 3] = 0x04;
            b[off + 4] = 0x05;
            b[off + 5] = 0x06;
            b[off + 6] = 0x07;
            b[off + 7] = 0x08;
            return 8;
        }).when(raf).read(any(byte[].class), anyInt(), eq(8));
        assertEquals(0x0102030405060708L, raf.readLong());

        assertTrue(response.haveCapabilitiy(0x0F)); // Has all these bits
        assertFalse(response.haveCapabilitiy(0x10)); // Doesn't have this bit
        assertFalse(response.haveCapabilitiy(0x40)); // Doesn't have this bit
    }

    @Test
    @DisplayName("Should check DFS support correctly")
    void testIsDFSSupported() throws Exception {
        // Test with DFS capability enabled

    private static final Random RANDOM = new Random();

    private static LogStream log = LogStream.getInstance();

    // KGS!@#$%
    private static final byte[] S8 =
            { (byte) 0x4b, (byte) 0x47, (byte) 0x53, (byte) 0x21, (byte) 0x40, (byte) 0x23, (byte) 0x24, (byte) 0x25 };

    /* Accepts key multiple of 7
     * Returns enc multiple of 8
     * Multiple is the same like: 21 byte key gives 24 byte result
     */

}

func findSignatureInBlock(b []byte) int {
	for i := len(b) - directoryEndLen; i >= 0; i-- {
		// defined from directoryEndSignature in struct.go
		if b[i] == 'P' && b[i+1] == 'K' && b[i+2] == 0x05 && b[i+3] == 0x06 {
			// n is length of comment
			n := int(b[i+directoryEndLen-2]) | int(b[i+directoryEndLen-1])<<8
			if n+directoryEndLen+i > len(b) {
				// Truncated comment.

	//TODO LDURH 0x80(R1), R6                  // 26004878
	//TODO LDURSB 0xde(LR), R3                 // c3e3cd38
	//TODO LDURSB 0x96(R9), R7                 // 27618938
	//TODO LDURSH -0x49(R11), R28              // 7c71db78
	//TODO LDURSH -0x1f(R0), R29               // 1d109e78
	//TODO LDURSW 0x48(R6), R20                // d48084b8
	LDXPW (R24), (R23, R11)                    // 172f7f88