Assume.assumeTrue(Boolean.parseBoolean(getProperties().getOrDefault("jcifs.smb.client.useExtendedSecurity", "true")));
        byte[] hash = NtlmUtil.getNTHash(getTestUserPassword());
        CIFSContext ctx = getContext().withCredentials(new NtlmNtHashAuthenticator(getTestUserDomain(), getTestUser(), hash));
        try ( SmbResource f = new SmbFile(getTestShareURL(), ctx); ) {
            checkConnection(f);
            f.resolve("test").exists();

     */
    @Override
    public CIFSContext withCredentials ( Credentials creds ) {
        return new CIFSContextCredentialWrapper(this, creds);
    }


    /**
     * 
     * {@inheritDoc}
     *
     * @see jcifs.CIFSContext#withAnonymousCredentials()
     */
    @Override
    public CIFSContext withAnonymousCredentials () {
        return withCredentials(new NtlmPasswordAuthenticator());
    }

    @Override
    public boolean hasDefaultCredentials () {
        return this.delegate.hasDefaultCredentials();
    }


    @Override
    public CIFSContext withCredentials ( Credentials creds ) {
        return wrap(this.delegate.withCredentials(creds));
    }


    @Override
    public CIFSContext withDefaultCredentials () {
        return wrap(this.delegate.withDefaultCredentials());
    }

        Subject s = getInitiatorSubject(getTestUser(), getTestUserPassword(), getTestUserDomainRequired(), null);
        CIFSContext ctx = getContext().withCredentials(new Kerb5Authenticator(s, getTestUserDomainRequired(), getTestUser(), getTestUserPassword()));
        try ( SmbResource f = new SmbFile(getTestShareURL(), ctx) ) {
            f.exists();
        }

 * multiple sub-contexts using different credentials (if necessary).
 * 
 * {@link #withDefaultCredentials()}, {@link #withAnonymousCredentials()}, {@link #withCredentials(Credentials)}
 * allow to create such sub-contexts.
 * 
 * 
 * Implementors of this interface should extend {@link jcifs.context.BaseContext} or
 * {@link jcifs.context.CIFSContextWrapper} to get forward compatibility.

        String val = this.properties.get(prop);
        Assume.assumeNotNull(val);
        return val;
    }


    protected CIFSContext withTestNTLMCredentials ( CIFSContext ctx ) {
        return ctx.withCredentials(new NtlmPasswordAuthenticator(getTestUserDomain(), getTestUser(), getTestUserPassword()));
    }


    protected CIFSContext withTestGuestCredentials () {
        return getContext().withGuestCrendentials();

        assertEquals("", ntlmAnonCreds.getPassword());
        assertThat("anonymous", ntlmAnonCreds.isAnonymous(), CoreMatchers.is(true));

        CIFSContext testCtx = this.context.withCredentials(new NtlmPasswordAuthenticator("TEST", "test-user", "test-pw"));
        Credentials setCreds = testCtx.getCredentials();
        assertThat(setCreds, CoreMatchers.is(CoreMatchers.instanceOf(NtlmPasswordAuthenticator.class)));

     * @throws MalformedURLException
     */
    @Deprecated
    public SmbFile ( URL url ) throws MalformedURLException {
        this(url, SingletonContext.getInstance().withCredentials(new NtlmPasswordAuthentication(SingletonContext.getInstance(), url.getUserInfo())));
    }


    /**
     * Constructs an SmbFile representing a resource on an SMB network such

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