assertEquals(2, written, "setup packet should write 2 bytes");
        assertEquals(SmbComTransaction.TRANS2_QUERY_FS_INFORMATION, buf[0], "first byte should be subCommand");
        assertEquals((byte) 0x00, buf[1], "second byte should be zero");
    }

    @Test
    @DisplayName("writeParametersWireFormat writes the information level as 2-byte little endian")
    void testWriteParametersWireFormat() {

        // 2 bytes for fileAttributes, 4 bytes for lastWriteTime, 4 bytes for fileSize
        byte[] buffer = new byte[20];
        // File Attributes: 0x0010 (Directory)
        buffer[0] = 0x10;
        buffer[1] = 0x00;
        // Last Write Time (UTime): A sample timestamp in milliseconds
        long sampleTimeMillis = 1672531200000L; // Represents a specific date in milliseconds

        void setup() throws GeneralSecurityException {
            digest = new Smb2SigningDigest(sessionKey, Smb2Constants.SMB2_DIALECT_0202, null);
            data = new byte[128];
            Arrays.fill(data, (byte) 0x00);

            // Set up mock messages
            request = mock(CommonServerMessageBlock.class);
            response = mock(CommonServerMessageBlock.class);
        }

        @Test

        return dstIndex - start;
    }

    @Override
    protected int writeBytesWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        dst[dstIndex] = (byte) 0x01; /* BufferFormat */
        dstIndex++;
        SMBUtil.writeInt2(this.count, dst, dstIndex); /* DataLength? */
        dstIndex += 2;
        System.arraycopy(this.b, this.off, dst, dstIndex, this.count);

        byte[] bufferData = buf.getBuffer();
        assertEquals((byte) 0xCD, bufferData[startIndex + alignmentBytes], "Least significant byte should be first");
        assertEquals((byte) 0x00, bufferData[startIndex + alignmentBytes + 1], "Most significant byte should be second");
    }

    /**
     * When given a buffer with sufficient length, decode performs
     * the inverse of encode.
     */

    }
    
    public static class WitnessIPAddress {
        private final InetAddress address;
        private final int flags;
        
        public static final int IPV4 = 0x01;
        public static final int IPV6 = 0x02;
        
        public WitnessIPAddress(InetAddress address) {
            this.address = address;
            this.flags = address.getAddress().length == 4 ? IPV4 : IPV6;
        }

        request = new Smb2CreateRequest(mockConfig, "test.txt");

        request.setSecurityFlags((byte) 0x01);
        // Verify through writeBytesWireFormat
        byte[] buffer = new byte[1024];
        request.writeBytesWireFormat(buffer, 0);
        assertEquals((byte) 0x01, buffer[2]);
    }

    @Test
    @DisplayName("Test oplock level setter")
    void testSetRequestedOplockLevel() {

	MOVL	ptr+0(FP), AX
	TESTL	$7, AX
	JZ	2(PC)
	MOVL	0, AX // crash with nil ptr deref
	LEAL	ret_lo+4(FP), BX
	// MOVQ (%EAX), %MM0
	BYTE $0x0f; BYTE $0x6f; BYTE $0x00
	// MOVQ %MM0, 0(%EBX)
	BYTE $0x0f; BYTE $0x7f; BYTE $0x03
	// EMMS
	BYTE $0x0F; BYTE $0x77
	RET

    // Mixed string
    // "a\u020ac\u00a2b\\u024B62u020acc\u00a2de\u024B62"
    assertWellFormed(
        0x61, 0xc8, 0x8a, 0x63, 0xc2, 0xa2, 0x62, 0x5c, 0x75, 0x30, 0x32, 0x34, 0x42, 0x36, 0x32,
        0x75, 0x30, 0x32, 0x30, 0x61, 0x63, 0x63, 0xc2, 0xa2, 0x64, 0x65, 0xc9, 0x8b, 0x36, 0x32);
    // Not a valid string
    assertNotWellFormed(-1, 0, -1, 0);
  }

  public void testShardsHaveExpectedRoundTrippables() {

            assertThat(b).isEqualTo(2.toByte())
          }
        }
      },
    )
  }

  @Test fun dataFrameNotAssociateWithStream() {
    val payload = byteArrayOf(0x01, 0x02)
    writeMedium(frame, payload.size)
    frame.writeByte(Http2.TYPE_DATA)
    frame.writeByte(FLAG_NONE)
    frame.writeInt(0)
    frame.write(payload)
    assertFailsWith<IOException> {