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());

        when(filterConfig.getInitParameterNames()).thenReturn(Collections.enumeration(initParams.keySet()));
        when(filterConfig.getInitParameter(anyString())).thenAnswer(invocation -> initParams.get(invocation.getArgument(0)));

        assertDoesNotThrow(() -> filter.init(filterConfig));
    }

    @Test
    void testInit_withMinimalConfig() throws ServletException {
        // Test initialization with minimal configuration

        when(treeHandle.send(any(), any(), (RequestParam[]) any())).thenAnswer(invocation -> {
            // The response is the second argument
            Object response = invocation.getArgument(1);
            // Return it unchanged (which will have default values = empty results)
            return response;
        });

        // When: Create iterator

        // 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);
            jcifs.dcerpc.msrpc.MsrpcLookupSids rpc = (jcifs.dcerpc.msrpc.MsrpcLookupSids) msg;
            // Return success

        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);

        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)

            // Mock initial receive with valid PDU header
            when(mockSmbPipeHandleInternal.recv(buf, 0, buf.length)).thenAnswer(invocation -> {
                byte[] buffer = invocation.getArgument(0);
                buffer[0] = 5; // Valid PDU version
                buffer[1] = 0; // Valid PDU type
                Encdec.enc_uint16le((short) 50, buffer, 8); // Fragment length

        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);
        });

        boolean result = transport.disconnect(hard, inuse);

            // For LM compatibility 3-5, only 16 bytes are used
            doAnswer(invocation -> {
                byte[] dest = invocation.getArgument(2);
                int offset = invocation.getArgument(3);
                System.arraycopy(new byte[16], 0, dest, offset, 16);
                return null;

                    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) {
                            return -1;