assertEquals(SmbConstants.DEFAULT_SO_TIMEOUT, config.getSoTimeout());
        assertEquals(SmbConstants.DEFAULT_SO_TIMEOUT, config.getSessionTimeout());
        assertEquals(SmbConstants.DEFAULT_SND_BUF_SIZE, config.getSendBufferSize());
        assertEquals(SmbConstants.DEFAULT_RCV_BUF_SIZE, config.getReceiveBufferSize());
        assertEquals(SmbConstants.DEFAULT_RCV_BUF_SIZE, config.getRecieveBufferSize()); // Deprecated method

        when(file.ensureTreeConnected()).thenReturn(tree);
        when(tree.getConfig()).thenReturn(cfg);
        when(tree.getReceiveBufferSize()).thenReturn(1024);
        when(tree.getSendBufferSize()).thenReturn(1024);
        when(tree.hasCapability(anyInt())).thenAnswer(inv -> ntSmbsCap && inv.getArgument(0).equals(SmbConstants.CAP_NT_SMBS));
        when(tree.areSignaturesActive()).thenReturn(false);

            w.setDaemon(true);

            try {
                w.start();
                // use commonly acceptable buffer size
                final int bsize = Math.min(sh.getReceiveBufferSize() - 70, dh.getSendBufferSize() - 70);
                final byte[][] b = new byte[2][bsize];
                copyRecursive(dest, b, bsize, w, sh, dh);
            } finally {
                w.write(null, -1, null);