SmbRandomAccessFile raf = spy(newInstance("r", false, false, false));
        // For each 1-byte read, fill provided buffer with 0xFF/0x01
        doAnswer(inv -> {
            byte[] b = inv.getArgument(0);
            int off = inv.getArgument(1);
            b[off] = (byte) 0xFF;
            return 1;
        }).when(raf).read(any(byte[].class), anyInt(), eq(1));
        assertTrue(raf.readBoolean());

        // send() answer that mutates the provided response
        when(tree.send(any(Trans2FindFirst2.class), any(Trans2FindFirst2Response.class))).thenAnswer((InvocationOnMock inv) -> {
            Trans2FindFirst2Response resp = inv.getArgument(1);
            // First response content
            FE[] res = java.util.Arrays.stream(batches.get(0)).map(FE::new).toArray(FE[]::new);

        jcifs.SID[] in = new jcifs.SID[] { s1, s2 };

        // Stub sendrecv to emulate successful RPC response
        doAnswer(inv -> {
            // Capture the outgoing RPC and populate result fields as the server would
            Object msg = inv.getArgument(0);
            assertTrue(msg instanceof jcifs.dcerpc.msrpc.MsrpcLookupSids);

        // Mock both sends and return response
        when(tree.send(any(TransWaitNamedPipe.class), any(TransWaitNamedPipeResponse.class))).thenAnswer(inv -> inv.getArgument(1));
        when(tree.send(any(TransCallNamedPipe.class), any(TransCallNamedPipeResponse.class))).thenAnswer(inv -> inv.getArgument(1));

        int n = handle.sendrecv(new byte[3], 0, 3, new byte[8], 64);

        // Track query count to handle multiple queries properly
        final int[] queryCount = { 0 };

        // Mock send(create) to wire a query response with fe1, fe2
        doAnswer(inv -> {
            Object arg = inv.getArgument(0);
            if (arg instanceof Smb2CreateRequest) {
                Smb2CreateRequest create = (Smb2CreateRequest) arg;
                // Initialize response chain (also for chained query)

    void disconnect_flagCombinations(boolean hard, boolean inuse, boolean expected) throws Exception {
        when(transport.disconnect(anyBoolean(), anyBoolean())).thenAnswer(inv -> {
            boolean h = inv.getArgument(0);
            boolean u = inv.getArgument(1);
            // Arbitrary behavior mapping for test purposes
            return (h && !u) || (!h && u);
        });

                    });
                    when(mock.read(any(byte[].class), any(int.class), any(int.class))).thenAnswer(inv -> {
                        byte[] buffer = inv.getArgument(0);
                        int offset = inv.getArgument(1);
                        int length = inv.getArgument(2);
                        int remaining = includeContent.length - index[0];
                        if (remaining <= 0) {

        when(tree.getConfig()).thenReturn(config);
        when(config.getPid()).thenReturn(1234);

        // Stub send to populate the provided response instance via reflection
        Mockito.doAnswer(inv -> {
            Object resp = inv.getArgument(1);
            // Set private fields: status on SmbComTransactionResponse and available on TransPeekNamedPipeResponse

		// If the number is negative, we use an inversion mask to invert the
		// data bytes and treat the value as an unsigned number.
		var inv byte // 0x00 if positive or zero, 0xff if negative
		if b[0]&0x40 != 0 {
			inv = 0xff
		}

		var x uint64
		for i, c := range b {
			c ^= inv // Inverts c only if inv is 0xff, otherwise does nothing
			if i == 0 {
				c &= 0x7f // Ignore signal bit in first byte
			}
			if (x >> 56) > 0 {

            Smb2ReadResponse smb2Resp = mock(Smb2ReadResponse.class);
            when(smb2Resp.getDataLength()).thenReturn(3);
            when(mockTree.send(any(Request.class), any(RequestParam.class))).thenAnswer(inv -> (CommonServerMessageBlockResponse) smb2Resp);

            byte[] buf = new byte[16];

            // Skip advances internal file pointer; next read should use this offset
            in.skip(2);

            // Act