New test.
[mono.git] / mcs / class / corlib / Test / System.Security.Permissions / FileIOPermissionAttributeTest.cs
index c2dc0b8e66a8cdb5e2f8e7a402feb3d652f7f3e6..8b54433ea0b9c8e826b7a9846dccae0bed6c196f 100644 (file)
 //
-// FileIOPermissionAttributeTest.cs - NUnit Test Cases for FileIOPermissionAttribute
+// FileIOPermissionAttributeTest.cs -
+//     NUnit Test Cases for FileIOPermissionAttribute
 //
 // Author:
-//     Sebastien Pouliot (spouliot@motus.com)
+//     Sebastien Pouliot  <sebastien@ximian.com>
 //
 // (C) 2003 Motus Technologies Inc. (http://www.motus.com)
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
 
 using NUnit.Framework;
 using System;
 using System.IO;
+using System.Reflection;
 using System.Security;
 using System.Security.Permissions;
+using System.Text;
 
 namespace MonoTests.System.Security.Permissions {
 
        [TestFixture]
-       public class FileIOPermissionAttributeTest : Assertion {
+       public class FileIOPermissionAttributeTest {
+
+               [Test]
+               public void Default () 
+               {
+                       FileIOPermissionAttribute a = new FileIOPermissionAttribute (SecurityAction.Assert);
+                       Assert.IsNull (a.Append, "Append");
+                       Assert.IsNull (a.PathDiscovery, "PathDiscovery");
+                       Assert.IsNull (a.Read, "Read");
+                       Assert.IsNull (a.Write, "Write");
+#if NET_2_0
+                       Assert.IsNotNull (a.AllFiles, "AllFiles");
+                       Assert.IsNotNull (a.AllLocalFiles, "AllLocalFiles");
+                       Assert.IsNull (a.ChangeAccessControl, "ChangeAccessControl");
+                       Assert.IsNull (a.ViewAccessControl, "ViewAccessControl");
+#endif
 
-               private static string filename;
+                       Assert.AreEqual (a.ToString (), a.TypeId.ToString (), "TypeId");
+                       Assert.IsFalse (a.Unrestricted, "Unrestricted");
 
-               [SetUp]
-               public void SetUp () {
-                       filename = Path.GetTempFileName ();
+                       FileIOPermission perm = (FileIOPermission) a.CreatePermission ();
+                       Assert.AreEqual (FileIOPermissionAccess.NoAccess, perm.AllFiles, "CreatePermission-AllFiles");
+                       Assert.AreEqual (FileIOPermissionAccess.NoAccess, perm.AllLocalFiles, "CreatePermission-AllLocalFiles");
+                       Assert.IsFalse (perm.IsUnrestricted (), "perm-Unrestricted");
+               }
+
+               [Test]
+               public void Action () 
+               {
+                       FileIOPermissionAttribute a = new FileIOPermissionAttribute (SecurityAction.Assert);
+                       Assert.AreEqual (SecurityAction.Assert, a.Action, "Action=Assert");
+                       a.Action = SecurityAction.Demand;
+                       Assert.AreEqual (SecurityAction.Demand, a.Action, "Action=Demand");
+                       a.Action = SecurityAction.Deny;
+                       Assert.AreEqual (SecurityAction.Deny, a.Action, "Action=Deny");
+                       a.Action = SecurityAction.InheritanceDemand;
+                       Assert.AreEqual (SecurityAction.InheritanceDemand, a.Action, "Action=InheritanceDemand");
+                       a.Action = SecurityAction.LinkDemand;
+                       Assert.AreEqual (SecurityAction.LinkDemand, a.Action, "Action=LinkDemand");
+                       a.Action = SecurityAction.PermitOnly;
+                       Assert.AreEqual (SecurityAction.PermitOnly, a.Action, "Action=PermitOnly");
+                       a.Action = SecurityAction.RequestMinimum;
+                       Assert.AreEqual (SecurityAction.RequestMinimum, a.Action, "Action=RequestMinimum");
+                       a.Action = SecurityAction.RequestOptional;
+                       Assert.AreEqual (SecurityAction.RequestOptional, a.Action, "Action=RequestOptional");
+                       a.Action = SecurityAction.RequestRefuse;
+                       Assert.AreEqual (SecurityAction.RequestRefuse, a.Action, "Action=RequestRefuse");
                }
 
-               [TearDown]
-               public void TearDown () {
-                        if (File.Exists (filename))
-                               File.Delete (filename);
+               [Test]
+               public void Action_Invalid ()
+               {
+                       FileDialogPermissionAttribute a = new FileDialogPermissionAttribute ((SecurityAction)Int32.MinValue);
+                       // no validation in attribute
                }
 
                [Test]
                public void All () 
                {
+                       string filename = Assembly.GetCallingAssembly ().Location;
                        FileIOPermissionAttribute attr = new FileIOPermissionAttribute (SecurityAction.Assert);
                        attr.All = filename;
-                       AssertEquals ("All=Append", filename, attr.Append);
-                       AssertEquals ("All=PathDiscovery", filename, attr.PathDiscovery);
-                       AssertEquals ("All=Read", filename, attr.Read);
-                       AssertEquals ("All=Write", filename, attr.Write);
-                       FileIOPermission p = (FileIOPermission) attr.CreatePermission ();
-                       AssertEquals ("All=FileIOPermissionAttribute-Append", filename, p.GetPathList (FileIOPermissionAccess.Append)[0]);
-                       AssertEquals ("All=FileIOPermissionAttribute-PathDiscovery", filename, p.GetPathList (FileIOPermissionAccess.PathDiscovery)[0]);
-                       AssertEquals ("All=FileIOPermissionAttribute-Read", filename, p.GetPathList (FileIOPermissionAccess.Read)[0]);
-                       AssertEquals ("All=FileIOPermissionAttribute-Write", filename, p.GetPathList (FileIOPermissionAccess.Write)[0]);
+                       Assert.AreEqual (filename, attr.Append, "All=Append");
+                       Assert.AreEqual (filename, attr.PathDiscovery, "All=PathDiscovery");
+                       Assert.AreEqual (filename, attr.Read, "All=Read");
+                       Assert.AreEqual (filename, attr.Write, "All=Write");
+#if NET_2_0
+                       Assert.IsNotNull (attr.AllFiles, "AllFiles");
+                       Assert.IsNotNull (attr.AllLocalFiles, "AllLocalFiles");
+                       Assert.IsNull (attr.ChangeAccessControl, "ChangeAccessControl");
+                       Assert.IsNull (attr.ViewAccessControl, "ViewAccessControl");
+#endif
+                       FileIOPermission p = (FileIOPermission)attr.CreatePermission ();
+                       filename = Path.GetFullPath (filename);
+                       Assert.AreEqual (filename, p.GetPathList (FileIOPermissionAccess.Append) [0], "All=FileIOPermissionAttribute-Append");
+                       Assert.AreEqual (filename, p.GetPathList (FileIOPermissionAccess.PathDiscovery) [0], "All=FileIOPermissionAttribute-PathDiscovery");
+                       Assert.AreEqual (filename, p.GetPathList (FileIOPermissionAccess.Read) [0], "All=FileIOPermissionAttribute-Read");
+                       Assert.AreEqual (filename, p.GetPathList (FileIOPermissionAccess.Write) [0], "All=FileIOPermissionAttribute-Write");
                }
-
+#if NET_1_1
+               [Test]
+               [ExpectedException (typeof (NotSupportedException))]
+               public void All_Get () 
+               {
+                       FileIOPermissionAttribute attr = new FileIOPermissionAttribute (SecurityAction.Assert);
+                       string s = attr.All;
+               }
+#endif
                [Test]
                public void Append ()
                {
+                       string filename = Assembly.GetCallingAssembly ().Location;
                        FileIOPermissionAttribute attr = new FileIOPermissionAttribute (SecurityAction.Assert);
                        attr.Append = filename;
-                       AssertEquals ("Append=Append", filename, attr.Append);
-                       AssertNull ("PathDiscovery=null", attr.PathDiscovery);
-                       AssertNull ("Read=null", attr.Read);
-                       AssertNull ("Write=null", attr.Write);
-                       FileIOPermission p = (FileIOPermission) attr.CreatePermission ();
-                       AssertEquals ("Append=FileIOPermissionAttribute-Append", filename, p.GetPathList (FileIOPermissionAccess.Append)[0]);
-                       AssertNull ("Append=FileIOPermissionAttribute-PathDiscovery", p.GetPathList (FileIOPermissionAccess.PathDiscovery));
-                       AssertNull ("Append=FileIOPermissionAttribute-Read", p.GetPathList (FileIOPermissionAccess.Read));
-                       AssertNull ("Append=FileIOPermissionAttribute-Write", p.GetPathList (FileIOPermissionAccess.Write));
+                       Assert.AreEqual (filename, attr.Append, "Append=Append");
+                       Assert.IsNull (attr.PathDiscovery, "PathDiscovery=null");
+                       Assert.IsNull (attr.Read, "Read=null");
+                       Assert.IsNull (attr.Write, "Write=null");
+#if NET_2_0
+                       Assert.IsNotNull (attr.AllFiles, "AllFiles");
+                       Assert.IsNotNull (attr.AllLocalFiles, "AllLocalFiles");
+                       Assert.IsNull (attr.ChangeAccessControl, "ChangeAccessControl");
+                       Assert.IsNull (attr.ViewAccessControl, "ViewAccessControl");
+#endif
+                       FileIOPermission p = (FileIOPermission)attr.CreatePermission ();
+                       filename = Path.GetFullPath (filename);
+                       Assert.AreEqual (filename, p.GetPathList (FileIOPermissionAccess.Append) [0], "Append=FileIOPermissionAttribute-Append");
+                       Assert.IsNull (p.GetPathList (FileIOPermissionAccess.PathDiscovery), "Append=FileIOPermissionAttribute-PathDiscovery");
+                       Assert.IsNull (p.GetPathList (FileIOPermissionAccess.Read), "Append=FileIOPermissionAttribute-Read");
+                       Assert.IsNull (p.GetPathList (FileIOPermissionAccess.Write), "Append=FileIOPermissionAttribute-Write");
                }
 
                [Test]
                public void PathDiscovery () 
                {
+                       string filename = Assembly.GetCallingAssembly ().Location;
                        FileIOPermissionAttribute attr = new FileIOPermissionAttribute (SecurityAction.Assert);
                        attr.PathDiscovery = filename;
-                       AssertNull ("Append=null", attr.Append);
-                       AssertEquals ("PathDiscovery=PathDiscovery", filename, attr.PathDiscovery);
-                       AssertNull ("Read=null", attr.Read);
-                       AssertNull ("Write=null", attr.Write);
-                       FileIOPermission p = (FileIOPermission) attr.CreatePermission ();
-                       AssertNull ("PathDiscovery=FileIOPermissionAttribute-Append", p.GetPathList (FileIOPermissionAccess.Append));
-                       AssertEquals ("PathDiscovery=FileIOPermissionAttribute-PathDiscovery", filename, p.GetPathList (FileIOPermissionAccess.PathDiscovery)[0]);
-                       AssertNull ("PathDiscovery=FileIOPermissionAttribute-Read", p.GetPathList (FileIOPermissionAccess.Read));
-                       AssertNull ("PathDiscovery=FileIOPermissionAttribute-Write", p.GetPathList (FileIOPermissionAccess.Write));
+                       Assert.IsNull (attr.Append, "Append=null");
+                       Assert.AreEqual (filename, attr.PathDiscovery, "PathDiscovery=PathDiscovery");
+                       Assert.IsNull (attr.Read, "Read=null");
+                       Assert.IsNull (attr.Write, "Write=null");
+#if NET_2_0
+                       Assert.IsNotNull (attr.AllFiles, "AllFiles");
+                       Assert.IsNotNull (attr.AllLocalFiles, "AllLocalFiles");
+                       Assert.IsNull (attr.ChangeAccessControl, "ChangeAccessControl");
+                       Assert.IsNull (attr.ViewAccessControl, "ViewAccessControl");
+#endif
+                       FileIOPermission p = (FileIOPermission)attr.CreatePermission ();
+                       filename = Path.GetFullPath (filename);
+                       Assert.IsNull (p.GetPathList (FileIOPermissionAccess.Append), "PathDiscovery=FileIOPermissionAttribute-Append");
+                       Assert.AreEqual (filename, p.GetPathList (FileIOPermissionAccess.PathDiscovery) [0], "PathDiscovery=FileIOPermissionAttribute-PathDiscovery");
+                       Assert.IsNull (p.GetPathList (FileIOPermissionAccess.Read), "PathDiscovery=FileIOPermissionAttribute-Read");
+                       Assert.IsNull (p.GetPathList (FileIOPermissionAccess.Write), "PathDiscovery=FileIOPermissionAttribute-Write");
                }
 
                [Test]
                public void Read () 
                {
+                       string filename = Assembly.GetCallingAssembly ().Location;
                        FileIOPermissionAttribute attr = new FileIOPermissionAttribute (SecurityAction.Assert);
                        attr.Read = filename;
-                       AssertNull ("Append=null", attr.Append);
-                       AssertNull ("PathDiscovery=null", attr.PathDiscovery);
-                       AssertEquals ("Read=Read", filename, attr.Read);
-                       AssertNull ("Write=null", attr.Write);
-                       FileIOPermission p = (FileIOPermission) attr.CreatePermission ();
-                       AssertNull ("PathDiscovery=FileIOPermissionAttribute-Append", p.GetPathList (FileIOPermissionAccess.Append));
-                       AssertNull ("PathDiscovery=FileIOPermissionAttribute-PathDiscovery", p.GetPathList (FileIOPermissionAccess.PathDiscovery));
-                       AssertEquals ("PathDiscovery=FileIOPermissionAttribute-Read", filename, p.GetPathList (FileIOPermissionAccess.Read)[0]);
-                       AssertNull ("PathDiscovery=FileIOPermissionAttribute-Write", p.GetPathList (FileIOPermissionAccess.Write));
+                       Assert.IsNull (attr.Append, "Append=null");
+                       Assert.IsNull (attr.PathDiscovery, "PathDiscovery=null");
+                       Assert.AreEqual (filename, attr.Read, "Read=Read");
+                       Assert.IsNull (attr.Write, "Write=null");
+#if NET_2_0
+                       Assert.IsNotNull (attr.AllFiles, "AllFiles");
+                       Assert.IsNotNull (attr.AllLocalFiles, "AllLocalFiles");
+                       Assert.IsNull (attr.ChangeAccessControl, "ChangeAccessControl");
+                       Assert.IsNull (attr.ViewAccessControl, "ViewAccessControl");
+#endif
+                       FileIOPermission p = (FileIOPermission)attr.CreatePermission ();
+                       filename = Path.GetFullPath (filename);
+                       Assert.IsNull (p.GetPathList (FileIOPermissionAccess.Append), "PathDiscovery=FileIOPermissionAttribute-Append");
+                       Assert.IsNull (p.GetPathList (FileIOPermissionAccess.PathDiscovery), "PathDiscovery=FileIOPermissionAttribute-PathDiscovery");
+                       Assert.AreEqual (filename, p.GetPathList (FileIOPermissionAccess.Read) [0], "PathDiscovery=FileIOPermissionAttribute-Read");
+                       Assert.IsNull (p.GetPathList (FileIOPermissionAccess.Write), "PathDiscovery=FileIOPermissionAttribute-Write");
+               }
+
+#if NET_2_0
+               [Test]
+               public void ChangeAccessControl ()
+               {
+                       FileIOPermissionAttribute a = new FileIOPermissionAttribute (SecurityAction.Assert);
+                       a.ChangeAccessControl = "mono";
+                       Assert.IsNull (a.Append, "Append");
+                       Assert.AreEqual ("mono", a.ChangeAccessControl, "ChangeAccessControl");
+                       Assert.IsNull (a.PathDiscovery, "PathDiscovery");
+                       Assert.IsNull (a.Read, "Read");
+                       Assert.IsNull (a.ViewAccessControl, "ViewAccessControl");
+                       Assert.IsNull (a.Write, "Write");
+
+                       a.ChangeAccessControl = null;
+                       Assert.IsNull (a.Append, "Append");
+                       Assert.IsNull (a.ChangeAccessControl, "ChangeAccessControl");
+                       Assert.IsNull (a.PathDiscovery, "PathDiscovery");
+                       Assert.IsNull (a.Read, "Read");
+                       Assert.IsNull (a.ViewAccessControl, "ViewAccessControl");
+                       Assert.IsNull (a.Write, "Write");
+               }
+
+               [Test]
+               public void ViewAccessControl ()
+               {
+                       FileIOPermissionAttribute a = new FileIOPermissionAttribute (SecurityAction.Assert);
+                       a.ViewAccessControl = "mono";
+                       Assert.IsNull (a.Append, "Append");
+                       Assert.IsNull (a.ChangeAccessControl, "ChangeAccessControl");
+                       Assert.IsNull (a.PathDiscovery, "PathDiscovery");
+                       Assert.IsNull (a.Read, "Read");
+                       Assert.AreEqual ("mono", a.ViewAccessControl, "ViewAccessControl");
+                       Assert.IsNull (a.Write, "Write");
+
+                       a.ViewAccessControl = null;
+                       Assert.IsNull (a.Append, "Append");
+                       Assert.IsNull (a.ChangeAccessControl, "ChangeAccessControl");
+                       Assert.IsNull (a.PathDiscovery, "PathDiscovery");
+                       Assert.IsNull (a.Read, "Read");
+                       Assert.IsNull (a.ViewAccessControl, "ViewAccessControl");
+                       Assert.IsNull (a.Write, "Write");
+               }
+
+               [Test]
+               public void ViewAndModify_Set ()
+               {
+                       FileIOPermissionAttribute a = new FileIOPermissionAttribute (SecurityAction.Assert);
+                       a.ViewAndModify = "mono";
+                       Assert.AreEqual ("mono", a.Append, "Append");
+                       Assert.IsNull (a.ChangeAccessControl, "ChangeAccessControl");
+                       Assert.AreEqual ("mono", a.PathDiscovery, "PathDiscovery");
+                       Assert.AreEqual ("mono", a.Read, "Read");
+                       Assert.IsNull (a.ViewAccessControl, "ViewAccessControl");
+                       Assert.AreEqual ("mono", a.Write, "Write");
+
+                       a.ViewAndModify = null;
+                       Assert.IsNull (a.Append, "Append");
+                       Assert.IsNull (a.ChangeAccessControl, "ChangeAccessControl");
+                       Assert.IsNull (a.PathDiscovery, "PathDiscovery");
+                       Assert.IsNull (a.Read, "Read");
+                       Assert.IsNull (a.ViewAccessControl, "ViewAccessControl");
+                       Assert.IsNull (a.Write, "Write");
                }
 
+               [Test]
+               [ExpectedException (typeof (NotSupportedException))]
+               public void ViewAndModify_Get ()
+               {
+                       FileIOPermissionAttribute a = new FileIOPermissionAttribute (SecurityAction.Assert);
+                       a.ViewAndModify = "mono";
+                       Assert.AreEqual ("ViewAndModify", "mono", a.ViewAndModify);
+               }
+#endif
+
                [Test]
                public void Write () 
                {
+                       string filename = Assembly.GetCallingAssembly ().Location;
                        FileIOPermissionAttribute attr = new FileIOPermissionAttribute (SecurityAction.Assert);
                        attr.Write = filename;
-                       AssertNull ("Append=null", attr.Append);
-                       AssertNull ("PathDiscovery=null", attr.PathDiscovery);
-                       AssertNull ("Read=null", attr.Read);
-                       AssertEquals ("Write=Write", filename, attr.Write);
+                       Assert.IsNull (attr.Append, "Append=null");
+                       Assert.IsNull (attr.PathDiscovery, "PathDiscovery=null");
+                       Assert.IsNull (attr.Read, "Read=null");
+                       Assert.AreEqual (filename, attr.Write, "Write=Write");
                        FileIOPermission p = (FileIOPermission) attr.CreatePermission ();
-                       AssertNull ("PathDiscovery=FileIOPermissionAttribute-Append", p.GetPathList (FileIOPermissionAccess.Append));
-                       AssertNull ("PathDiscovery=FileIOPermissionAttribute-PathDiscovery", p.GetPathList (FileIOPermissionAccess.PathDiscovery));
-                       AssertNull ("PathDiscovery=FileIOPermissionAttribute-Read", p.GetPathList (FileIOPermissionAccess.Read));
-                       AssertEquals ("PathDiscovery=FileIOPermissionAttribute-Write", filename, p.GetPathList (FileIOPermissionAccess.Write)[0]);
+                       filename = Path.GetFullPath (filename);
+                       Assert.IsNull (p.GetPathList (FileIOPermissionAccess.Append), "PathDiscovery=FileIOPermissionAttribute-Append");
+                       Assert.IsNull (p.GetPathList (FileIOPermissionAccess.PathDiscovery), "PathDiscovery=FileIOPermissionAttribute-PathDiscovery");
+                       Assert.IsNull (p.GetPathList (FileIOPermissionAccess.Read), "PathDiscovery=FileIOPermissionAttribute-Read");
+                       Assert.AreEqual (filename, p.GetPathList (FileIOPermissionAccess.Write) [0], "PathDiscovery=FileIOPermissionAttribute-Write");
+               }
+
+               [Test]
+               public void Unrestricted () 
+               {
+                       FileIOPermissionAttribute a = new FileIOPermissionAttribute (SecurityAction.Assert);
+                       a.Unrestricted = true;
+
+                       FileIOPermission perm = (FileIOPermission) a.CreatePermission ();
+                       Assert.IsTrue (perm.IsUnrestricted (), "CreatePermission.IsUnrestricted");
+                       Assert.AreEqual (FileIOPermissionAccess.AllAccess, perm.AllFiles, "CreatePermission.AllFiles");
+                       Assert.AreEqual (FileIOPermissionAccess.AllAccess, perm.AllLocalFiles, "CreatePermission.AllLocalFiles");
+               }
+
+               [Test]
+               public void Attributes ()
+               {
+                       Type t = typeof (FileDialogPermissionAttribute);
+                       Assert.IsTrue (t.IsSerializable, "IsSerializable");
+
+                       object [] attrs = t.GetCustomAttributes (typeof (AttributeUsageAttribute), false);
+                       Assert.AreEqual (1, attrs.Length, "AttributeUsage");
+                       AttributeUsageAttribute aua = (AttributeUsageAttribute)attrs [0];
+                       Assert.IsTrue (aua.AllowMultiple, "AllowMultiple");
+                       Assert.IsFalse (aua.Inherited, "Inherited");
+                       AttributeTargets at = (AttributeTargets.Assembly | AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Constructor | AttributeTargets.Method);
+                       Assert.AreEqual (at, aua.ValidOn, "ValidOn");
+               }
+
+               [Test]
+               [Category("NotDotNet")]
+               public void NonC14NPath ()
+               {
+                       string filename = Path.Combine (Path.GetTempPath (), "test");
+                       filename = Path.Combine (filename, "..");
+                       filename = Path.Combine (filename, "here");
+                       FileIOPermissionAttribute attr = new FileIOPermissionAttribute (SecurityAction.Assert);
+                       // attribute class will keep the .. in the path
+                       attr.All = filename;
+                       Assert.AreEqual (filename, attr.Append, "All=Append");
+                       Assert.AreEqual (filename, attr.PathDiscovery, "All=PathDiscovery");
+                       Assert.AreEqual (filename, attr.Read, "All=Read");
+                       Assert.AreEqual (filename, attr.Write, "All=Write");
+                       // but the permission class will c14n it
+                       filename = Path.GetFullPath (filename);
+                       FileIOPermission p = (FileIOPermission)attr.CreatePermission ();
+                       Assert.AreEqual (filename, p.GetPathList (FileIOPermissionAccess.Append) [0], "All=FileIOPermissionAttribute-Append");
+                       Assert.AreEqual (filename, p.GetPathList (FileIOPermissionAccess.PathDiscovery) [0], "All=FileIOPermissionAttribute-PathDiscovery");
+                       Assert.AreEqual (filename, p.GetPathList (FileIOPermissionAccess.Read) [0], "All=FileIOPermissionAttribute-Read");
+                       Assert.AreEqual (filename, p.GetPathList (FileIOPermissionAccess.Write) [0], "All=FileIOPermissionAttribute-Write");
                }
        }
 }