System.Security.Permissions.IsolatedStorageFilePermission.Copy C# (CSharp) Method

        public override IPermission Copy()
        {
            IsolatedStorageFilePermission copy ;
            copy = new IsolatedStorageFilePermission(PermissionState.Unrestricted);
            if(!IsUnrestricted()){
                copy.m_userQuota = m_userQuota; 
                copy.m_machineQuota = m_machineQuota;   
                copy.m_expirationDays = m_expirationDays;   
                copy.m_permanentData = m_permanentData; 
                copy.m_allowed = m_allowed; 
            }
            return copy;
        }

		public void PermissionStateUnrestricted ()
		{
			IsolatedStorageFilePermission isfp = new IsolatedStorageFilePermission (PermissionState.Unrestricted);
			Assert.AreEqual (IsolatedStorageContainment.UnrestrictedIsolatedStorage, isfp.UsageAllowed, "UsageAllowed");
			Assert.AreEqual (Int64.MaxValue, isfp.UserQuota, "UserQuota");

			SecurityElement se = isfp.ToXml ();
			// only class and version are present
			Assert.AreEqual ("true", se.Attribute ("Unrestricted"), "Xml-Unrestricted");
			Assert.IsNull (se.Children, "Xml-Children");

			IsolatedStorageFilePermission copy = (IsolatedStorageFilePermission)isfp.Copy ();
			Assert.IsFalse (Object.ReferenceEquals (isfp, copy), "ReferenceEquals");
			Assert.AreEqual (isfp.UsageAllowed, copy.UsageAllowed, "UsageAllowed");
			Assert.AreEqual (isfp.UserQuota, copy.UserQuota, "UserQuota");
		}