public static void ApplicationTrustCallMethods()
 {
     ApplicationTrust at = new ApplicationTrust();
     SecurityElement se = new SecurityElement("");
     at.FromXml(se);
     se = at.ToXml();
 }

		public void ApplicationIdentity_Null ()
		{
			ApplicationTrust at = new ApplicationTrust ();
			at.ApplicationIdentity = new ApplicationIdentity ("Mono Unit Test");
			// once set it cannot be "unset" ...
			at.ApplicationIdentity = null;
		}

		public void ApplicationIdentity ()
		{
			ApplicationTrust at = new ApplicationTrust ();
			at.ApplicationIdentity = new ApplicationIdentity ("Mono Unit Test");
			Assert.IsNotNull (at.ApplicationIdentity, "not null");
			string expected = AdjustLineEnds ("<ApplicationTrust version=\"1\"\r\nFullName=\"Mono Unit Test, Culture=neutral\">\r\n<DefaultGrant>\r\n<PolicyStatement version=\"1\">\r\n<PermissionSet class=\"System.Security.PermissionSet\"\r\nversion=\"1\"/>\r\n</PolicyStatement>\r\n</DefaultGrant>\r\n</ApplicationTrust>\r\n");
			Assert.AreEqual (expected, AdjustLineEnds (at.ToXml ().ToString ()), "XML");
		}

		// methods

		public int Add (ApplicationTrust trust)
		{
			if (trust == null)
				throw new ArgumentNullException ("trust");
			if (trust.ApplicationIdentity == null) {
				throw new ArgumentException (Locale.GetText (
					"ApplicationTrust.ApplicationIdentity can't be null."), "trust");
			}

			return _list.Add (trust);
		}

 public static System.Security.Policy.ApplicationTrust PersistTrustWithoutEvaluation(ActivationContext actCtx)
 {
     ApplicationSecurityInfo info = new ApplicationSecurityInfo(actCtx);
     System.Security.Policy.ApplicationTrust trust = new System.Security.Policy.ApplicationTrust(actCtx.Identity) {
         IsApplicationTrustedToRun = true,
         DefaultGrantSet = new PolicyStatement(info.DefaultRequestSet, PolicyStatementAttribute.Nothing),
         Persist = true,
         ApplicationIdentity = actCtx.Identity
     };
     ApplicationSecurityManager.UserApplicationTrusts.Add(trust);
     return trust;
 }

		public void Constructor_Empty ()
		{
			ApplicationTrust at = new ApplicationTrust ();
			Assert.IsNull (at.ApplicationIdentity, "ApplicationIdentity");
			Assert.AreEqual (PolicyStatementAttribute.Nothing, at.DefaultGrantSet.Attributes, "DefaultGrantSet.Attributes");
			Assert.AreEqual (String.Empty, at.DefaultGrantSet.AttributeString, "DefaultGrantSet.AttributeString");
			Assert.IsTrue (at.DefaultGrantSet.PermissionSet.IsEmpty (), "DefaultGrantSet.PermissionSet.IsEmpty");
			Assert.IsFalse (at.DefaultGrantSet.PermissionSet.IsUnrestricted (), "DefaultGrantSet.PermissionSet.IsUnrestricted");
			Assert.IsNull (at.ExtraInfo, "ExtraInfo");
			Assert.IsFalse (at.IsApplicationTrustedToRun, "IsApplicationTrustedToRun");
			Assert.IsFalse (at.Persist, "Persist");
			string expected = AdjustLineEnds ("<ApplicationTrust version=\"1\">\r\n<DefaultGrant>\r\n<PolicyStatement version=\"1\">\r\n<PermissionSet class=\"System.Security.PermissionSet\"\r\nversion=\"1\"/>\r\n</PolicyStatement>\r\n</DefaultGrant>\r\n</ApplicationTrust>\r\n");
			Assert.AreEqual (expected, AdjustLineEnds (at.ToXml ().ToString ()), "XML");
		}

 public static void ApplicationTrustCollectionCallMethods()
 {
     ApplicationTrustCollection atc = (ApplicationTrustCollection)Activator.CreateInstance(typeof(ApplicationTrustCollection), true);
     ApplicationTrust at = new ApplicationTrust();
     int testint = atc.Add(at);
     ApplicationTrust[] atarray = new ApplicationTrust[1];
     atc.AddRange(atarray);
     atc.AddRange(atc);
     atc.Clear();
     atc.CopyTo(atarray, 0);
     ApplicationTrustEnumerator ate = atc.GetEnumerator();
     atc.Remove(at);
     atc.RemoveRange(atarray);
     atc.RemoveRange(atc);
 }

 public int Add(ApplicationTrust trust)
 {
     if (trust == null)
     {
         throw new ArgumentNullException("trust");
     }
     if (trust.ApplicationIdentity == null)
     {
         throw new ArgumentException(Environment.GetResourceString("Argument_ApplicationTrustShouldHaveIdentity"));
     }
     if (this.m_storeBounded)
     {
         this.CommitApplicationTrust(trust.ApplicationIdentity, trust.ToXml().ToString());
         return -1;
     }
     return this.AppTrusts.Add(trust);
 }

 public void AddRange(ApplicationTrust[] trusts)
 {
     if (trusts == null)
     {
         throw new ArgumentNullException("trusts");
     }
     int index = 0;
     try
     {
         while (index < trusts.Length)
         {
             this.Add(trusts[index]);
             index++;
         }
     }
     catch
     {
         for (int i = 0; i < index; i++)
         {
             this.Remove(trusts[i]);
         }
         throw;
     }
 }

		public void FromXml_InvalidVersion ()
		{
			ApplicationTrust at = new ApplicationTrust ();
			SecurityElement se = at.ToXml ();

			SecurityElement w = new SecurityElement (se.Tag);
			w.AddAttribute ("version", "2");
			foreach (SecurityElement child in se.Children)
				w.AddChild (child);

			at.FromXml (w);
		}

		public void FromXml_InvalidTag ()
		{
			ApplicationTrust at = new ApplicationTrust ();
			SecurityElement se = at.ToXml ();
			se.Tag = "MonoTrust";
			at.FromXml (se);
		}

		public void FromXml_Null ()
		{
			ApplicationTrust at = new ApplicationTrust ();
			at.FromXml (null);
		}

		public void ToFromXmlRoundtrip ()
		{
			ApplicationTrust at = new ApplicationTrust ();
			at.ApplicationIdentity = new ApplicationIdentity ("Mono Unit Test");
			at.DefaultGrantSet = new PolicyStatement (new PermissionSet (PermissionState.Unrestricted));
			at.ExtraInfo = "Mono";
			at.IsApplicationTrustedToRun = true;
			at.Persist = true;

			SecurityElement se = at.ToXml ();
			string expected = AdjustLineEnds ("<ApplicationTrust version=\"1\"\r\nFullName=\"Mono Unit Test, Culture=neutral\"\r\nTrustedToRun=\"true\"\r\nPersist=\"true\">\r\n<DefaultGrant>\r\n<PolicyStatement version=\"1\">\r\n<PermissionSet class=\"System.Security.PermissionSet\"\r\nversion=\"1\"\r\nUnrestricted=\"true\"/>\r\n</PolicyStatement>\r\n</DefaultGrant>\r\n<ExtraInfo Data=\"0001000000FFFFFFFF01000000000000000601000000044D6F6E6F0B\"/>\r\n</ApplicationTrust>\r\n");
			Assert.AreEqual (expected, AdjustLineEnds (at.ToXml ().ToString ()), "XML");

			ApplicationTrust copy = new ApplicationTrust ();
			copy.FromXml (se);
			se = copy.ToXml ();
			Assert.AreEqual (expected, AdjustLineEnds (at.ToXml ().ToString ()), "Copy");
		}

 public void CopyTo (ApplicationTrust[] array, int index) {
     ((ICollection)this).CopyTo(array, index);
 } 

		public void ApplicationIdentity_Change ()
		{
			ApplicationTrust at = new ApplicationTrust ();
			at.ApplicationIdentity = new ApplicationIdentity ("Mono Unit Test");
			// ... but it can be changed
			at.ApplicationIdentity = new ApplicationIdentity ("Mono Unit Test Too");
		}

        [System.Security.SecurityCritical]  // auto-generated
        private void SetupDomainSecurityForHomogeneousDomain(ApplicationTrust appTrust,
                                                             bool runtimeSuppliedHomogenousGrantSet)
        {
            // If the CLR has supplied the homogenous grant set (that is, this domain would have been
            // heterogenous in v2.0), then we need to strip the ApplicationTrust from the AppDomainSetup of
            // the current domain.  This prevents code which does:
            //   AppDomain.CreateDomain(..., AppDomain.CurrentDomain.SetupInformation);
            // 
            // From looking like it is trying to create a homogenous domain intentionally, and therefore
            // having its evidence check bypassed.
            if (runtimeSuppliedHomogenousGrantSet)
            {
                BCLDebug.Assert(_FusionStore.ApplicationTrust != null, "Expected to find runtime supplied ApplicationTrust");
#if FEATURE_CAS_POLICY
                _FusionStore.ApplicationTrust = null;
#endif // FEATURE_CAS_POLICY
            }

            _applicationTrust = appTrust;

            // Set the homogeneous bit in the VM's ApplicationSecurityDescriptor.
            SetSecurityHomogeneousFlag(GetNativeHandle(),
                                       runtimeSuppliedHomogenousGrantSet);
        }

 [System.Security.SecurityCritical]  // auto-generated
 private void SetupDomainSecurityForApplication(ApplicationIdentity appIdentity,
                                                ApplicationTrust appTrust)
 {
     // Set the Application trust on the managed side.
     _applicationIdentity = appIdentity;
     SetupDomainSecurityForHomogeneousDomain(appTrust, false);
 }

 private void SetupDomainSecurityForApplication(System.ApplicationIdentity appIdentity, System.Security.Policy.ApplicationTrust appTrust)
 {
     this._applicationIdentity = appIdentity;
     this._applicationTrust = appTrust;
     nSetSecurityHomogeneousFlag();
 }

        //
        // Internal
        //

        internal static ApplicationTrust DetermineApplicationTrustInternal (ActivationContext activationContext, TrustManagerContext context) {
            ApplicationTrust trust = null;
            ApplicationTrustCollection userTrusts = new ApplicationTrustCollection(true);

            // See if there is a persisted trust decision for this application.
            if ((context == null || !context.IgnorePersistedDecision)) {
                trust = userTrusts[activationContext.Identity.FullName];
                if (trust != null)
                    return trust;
            }

            // There is no cached trust decision so invoke the trust manager.
            trust = ApplicationTrustManager.DetermineApplicationTrust(activationContext, context);
            if (trust == null)
                trust = new ApplicationTrust(activationContext.Identity);
            // make sure the application identity is correctly set.
            trust.ApplicationIdentity = activationContext.Identity;
            if (trust.Persist)
                userTrusts.Add(trust);

            return trust;
        }

        private static ApplicationTrust CreateApplicationTrust(ActivationContext activationContext,
                                                               ApplicationSecurityInfo info,
                                                               ApplicationTrustExtraInfo appTrustExtraInfo,
                                                               bool trust,
                                                               bool persist)
        {
            ApplicationTrust appTrust = new ApplicationTrust(activationContext.Identity);

            appTrust.ExtraInfo = appTrustExtraInfo;
            appTrust.IsApplicationTrustedToRun = trust;
            appTrust.DefaultGrantSet = new PolicyStatement(info.DefaultRequestSet, (PolicyStatementAttribute) 0);
            appTrust.Persist = persist;

            return appTrust;
        }