});
    }

    @Test
    public void testValidSmbHeader() throws Exception {
        // SMB1 header
        validator.validateSmbHeader(0x424D53FF, 32, 0x72);

        // SMB2 header
        validator.validateSmbHeader(0x424D53FE, 64, 0x00);
    }

    @Test
    public void testInvalidProtocolId() throws Exception {

        }

        // Add context length at offset
        buffer[offset + 24] = 0x12;
        buffer[offset + 25] = 0x34;
        buffer[offset + 26] = 0x56;
        buffer[offset + 27] = 0x78;

        // Decode
        int bytesConsumed = response.decode(buffer, offset, 28);

        // Verify
        assertEquals(28, bytesConsumed, "Should consume exactly 28 bytes");

        byte[] testGuid = { (byte) 0x01, (byte) 0x23, (byte) 0x45, (byte) 0x67, (byte) 0x89, (byte) 0xAB, (byte) 0xCD, (byte) 0xEF,
                (byte) 0xFE, (byte) 0xDC, (byte) 0xBA, (byte) 0x98, (byte) 0x76, (byte) 0x54, (byte) 0x32, (byte) 0x10 };

        // Security mode with signing required
        int testSecurityMode = 0x0003; // SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED

        int capabilities = 0x0000000F;
        long previousSessionId = 0x123456789ABCDEF0L;
        byte[] token = { (byte) 0x11, (byte) 0x22, (byte) 0x33, (byte) 0x44, (byte) 0x55, (byte) 0x66, (byte) 0x77, (byte) 0x88 };

        Smb2SessionSetupRequest req = new Smb2SessionSetupRequest(mockContext, securityMode, capabilities, previousSessionId, token);
        req.setSessionBinding(true);
        byte[] buffer = new byte[512];

	//TODO LDTRB 0xf0(R13), R10                // aa094f38
	//TODO LDTRH 0xe8(R13), R23                // b7894e78
	//TODO LDTRSB -0x24(R20), R5               // 85cadd38
	//TODO LDTRSB -0x75(R9), R13               // 2db99838
	//TODO LDTRSH 0xef(R3), LR                 // 7ef8ce78
	//TODO LDTRSH 0x96(R19), R24               // 786a8978
	//TODO LDTRSW 0x1e(LR), R5                 // c5eb81b8

         <match value="0x60" type="string" mask="0xF8" offset="5"/>
         <match value="0x68" type="string" mask="0xF8" offset="5"/>
         <match value="0x70" type="string" mask="0xF8" offset="5"/>
         <match value="0x78" type="string" mask="0xF8" offset="5"/>
         <match value="0x80" type="string" mask="0xF8" offset="5"/>
      </match>
    </magic>
    <sub-class-of type="audio/ac3" />