CIFSContext ctx = getContext();
        ctx = withConfig(ctx, new DelegatingConfiguration(ctx.getConfig()) {

            @Override
            public String getGuestUsername () {
                return "jcifs-guest";
            }
        }).withGuestCrendentials();

        try ( SmbResource f = new SmbFile(getTestShareGuestURL(), ctx) ) {
            checkConnection(f);
        }
        catch ( SmbAuthException e ) {

import jcifs.util.Crypto;
import jcifs.util.Strings;


/**
 * This class stores and encrypts NTLM user credentials.
 * 
 * Contrary to {@link NtlmPasswordAuthentication} this does not cause guest authentication
 * when the "guest" username is supplied. Use {@link AuthenticationType} instead.
 * 
 * @author mbechler
 */
@SuppressWarnings ( "javadoc" )

        NtlmPasswordAuthenticator ntlmGuestCreds = guestCreds.unwrap(NtlmPasswordAuthenticator.class);
        assertThat("anonymous", ntlmGuestCreds.isAnonymous(), CoreMatchers.is(false));
        assertThat("guest", ntlmGuestCreds.isGuest(), CoreMatchers.is(true));

        Credentials anonCreds = this.context.withAnonymousCredentials().getCredentials();

        systemHelper.init();
        systemHelper.addShutdownHook(() -> {});
        ComponentUtil.register(systemHelper, "systemHelper");
    }

    public void test_getUsername() {
        assertEquals("guest", systemHelper.getUsername());
    }

    public void test_getCurrentTimeAsLocalDateTime() {
        final long current =

            this.auth.isGuest() ? this.transportContext.getConfig().getGuestPassword() : this.auth.getPassword(),
            this.auth.isGuest() ? null : this.auth.getUserDomain(),
            this.auth.isGuest() ? this.transportContext.getConfig().getGuestUsername() : this.auth.getUsername(),
            this.workstation,
            this.ntlmsspFlags,
            this.auth.isGuest() || !this.auth.isAnonymous());
    }

            labelType = new LabelType();
            labelType.setName(name);
            labelType.setValue(name);
            labelType.setPermissions(new String[] { "Rguest" });
            labelType.setCreatedBy(Constants.SYSTEM_USER);
            labelType.setCreatedTime(now);
            labelType.setUpdatedBy(Constants.SYSTEM_USER);
            labelType.setUpdatedTime(now);
        }

     * 
     * @return password used when guest authentication is requested
     */
    String getGuestPassword ();


    /**
     * Property <tt>jcifs.smb.client.guestUsername</tt>, defaults to GUEST
     * 
     * @return username used when guest authentication is requested
     */
    String getGuestUsername ();


    /**

    }

    static final NtlmPasswordAuthentication NULL =
                new NtlmPasswordAuthentication( "", "", "" );
    static final NtlmPasswordAuthentication GUEST =
                new NtlmPasswordAuthentication( "?", "GUEST", "" );
    static final NtlmPasswordAuthentication DEFAULT =
                new NtlmPasswordAuthentication( null );

    String domain;
    String username;
    String password;

        try ( SmbSessionImpl treesess = t.getSession() ) {
            if ( treesess.getCredentials().isAnonymous() || treesess.getCredentials().isGuest() ) {
                // refresh anonymous session or fallback to anonymous from guest login
                try ( SmbSessionInternal s = trans
                        .getSmbSession(this.ctx.withAnonymousCredentials(), treesess.getTargetHost(), treesess.getTargetDomain())

     * guess with an application of Newton's method, which sets guess := (guess + (x / guess)) / 2.
     * This iteration has the following two properties:
     *
     * a) every iteration (except potentially the first) has guess >= floor(sqrt(x)). This is
     * because guess' is the arithmetic mean of guess and x / guess, sqrt(x) is the geometric mean,