@Override
    public DfsResolver getDfs () {
        return this.dfs;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.CIFSContext#getNameServiceClient()
     */
    @Override
    public NameServiceClient getNameServiceClient () {
        return this.nameServiceClient;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.CIFSContext#getBufferCache()
     */

        ctx.getTransportPool().logon(ctx, ctx.getNameServiceClient().getByName(getTestServer()));
    }


    // #68
    @Test ( expected = SmbException.class )
    public void testPoolLogonFail () throws CIFSException, UnknownHostException {
        CIFSContext ctx = withTestNTLMCredentials(getContext());
        ctx.getTransportPool().logon(ctx, ctx.getNameServiceClient().getByName("0.0.0.0"), 12345);
    }

        this.context = SingletonContext.getInstance();
    }


    @Test
    public void testSingletonInit () {
        assertNotNull(this.context.getBufferCache());
        assertNotNull(this.context.getNameServiceClient());
        assertNotNull(this.context.getTransportPool());
        assertNotNull(this.context.getUrlHandler());
        assertNotNull(this.context.getCredentials());
    }


    @Test

        final NameServiceClientImpl nsc = new NameServiceClientImpl(ctx);
        ctx = new CIFSContextWrapper(ctx) {

            @Override
            public jcifs.NameServiceClient getNameServiceClient () {
                return nsc;
            }
        };

        try ( SmbFile smbFile = new SmbFile("smb://" + getRequiredProperty(TestProperties.TEST_DOMAIN_SHORT), ctx) ) {

                if ( this.fileLocator.getType() == TYPE_WORKGROUP ) {
                    getContext().getNameServiceClient().getByName(this.url.getHost(), true);
                }
                else {
                    getContext().getNameServiceClient().getByName(this.url.getHost()).getHostName();
                }
            }
            else {

            this.out = this.socket.getOutputStream();
            this.in = this.socket.getInputStream();

            SessionServicePacket ssp = new SessionRequestPacket(tc.getConfig(), calledName, tc.getNameServiceClient().getLocalName());
            this.out.write(this.sbuf, 0, ssp.writeWireFormat(this.sbuf, 0));
            if ( readn(this.in, this.sbuf, 0, 4) < 4 ) {
                try {
                    this.socket.close();