private final SmbTransportPool transportPool;
    private final CredentialsInternal defaultCredentials;


    /**
     * Construct a context
     * 
     * @param config
     *            configuration for the context
     * 
     */
    public BaseContext ( Configuration config ) {
        this.config = config;
        this.dfs = new DfsImpl(this);

import jcifs.CloseableIterator;
import jcifs.ResolverType;
import jcifs.SmbConstants;
import jcifs.SmbResource;
import jcifs.SmbTreeHandle;
import jcifs.config.DelegatingConfiguration;
import jcifs.context.CIFSContextWrapper;
import jcifs.netbios.NameServiceClientImpl;
import jcifs.smb.DosFileFilter;
import jcifs.smb.SmbException;
import jcifs.smb.SmbFile;
import jcifs.smb.SmbFilenameFilter;

        if ( tag != expectTag ) {
            throw new IOException("Unexpected tag " + tag);
        }
        int length = readLength(in, limit, false);
        byte[] content = new byte[length];
        in.read(content);
        return content;
    }

    // shamelessly stolen from BC ASN1InputStream
    static int readTagNumber(InputStream s, int tag)
            throws IOException
    {

        byte[] content;
        try ( ASN1InputStream stream = new ASN1InputStream(token) ) {
            content = ASN1Util.readUnparsedTagged(0, 0x8000, stream);
        }catch ( IOException e ) {
            throw new PACDecodingException("Malformed kerberos token", e);
        }

        try ( ASN1InputStream stream = new ASN1InputStream(content) ) {

    }


    /**
     * @param context
     * @param name
     */
    private void setContext ( SmbResource context, String name ) {
        this.fileLocator.resolveInContext(context.getLocator(), name);
        if ( context.getLocator().getShare() != null && ( context instanceof SmbFile ) ) {
            this.treeConnection = SmbTreeConnection.create( ( (SmbFile) context ).treeConnection);
        }
        else {

public class ContextConfigTest {

    private SingletonContext context;


    @Before
    public void setUp () {
        this.context = SingletonContext.getInstance();
    }


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

    /**
     *
     * @param tf
     * @return a session for the context
     */
    @Override
    public SmbSessionImpl getSmbSession ( CIFSContext tf ) {
        return getSmbSession(tf, null, null);
    }


    /**
     *
     * @param tf
     *            context to use
     * @return a session for the context
     */
    @Override
    @SuppressWarnings ( "resource" )

        auth = context.auth;


        if( context.share != null ) {
            this.tree = context.tree;
            this.dfsReferral = context.dfsReferral;
        }
        int last = name.length() - 1;
        if( name.charAt( last ) == '/' ) {
            name = name.substring( 0, last );
        }
        if( context.share == null ) {
            this.unc = "\\";