mcs/class/corlib/Test/System.IO/DirectoryCas.cs

   1 //
   2 // DirectoryCas.cs - CAS unit tests for System.IO.Directory
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using NUnit.Framework;
  30
  31 using System;
  32 using System.Collections;
  33 using System.IO;
  34 using System.Security;
  35 using System.Security.Permissions;
  36
  37 namespace MonoCasTests.System.IO {
  38
  39         [TestFixture]
  40         [Category ("CAS")]
  41         public class DirectoryCas {
  42
  43                 private MonoTests.System.IO.DirectoryTest dt;
  44                 private string dir;
  45
  46                 [TestFixtureSetUp]
  47                 public void FixtureSetUp ()
  48                 {
  49                         // this occurs with a "clean" stack (full trust)
  50                         dt = new MonoTests.System.IO.DirectoryTest ();
  51                         dir = Path.Combine (Path.GetTempPath (), "MonoCasTests.System.IO");\r
  52                 }
  53
  54                 [SetUp]
  55                 public void SetUp ()
  56                 {
  57                         if (!SecurityManager.SecurityEnabled)
  58                                 Assert.Ignore ("SecurityManager.SecurityEnabled is OFF");
  59                         dt.SetUp ();
  60                 }
  61
  62                 [TearDown]\r
  63                 public void TearDown ()
  64                 {
  65                         dt.TearDown ();
  66                 }\r
  67
  68                 [TestFixtureTearDown]
  69                 public void FixtureTearDown ()
  70                 {
  71                         if (Directory.Exists (dir))\r
  72                                 Directory.Delete (dir, true);\r
  73                 }
  74
  75                 private bool RunningOnWindows {
  76                         get {
  77                                 // check for non-Unix platforms - see FAQ for more details
  78                                 // http://www.mono-project.com/FAQ:_Technical#How_to_detect_the_execution_platform_.3F
  79                                 int platform = (int) Environment.OSVersion.Platform;
  80                                 return ((platform != 4) && (platform != 128));
  81                         }
  82                 }
  83
  84                 // Partial Trust Tests - i.e. call "normal" unit with reduced privileges
  85
  86                 [Test]
  87                 [FileIOPermission (SecurityAction.PermitOnly, Unrestricted = true)]
  88                 public void PartialTrust_PermitOnly_FileIOPermission ()
  89                 {
  90                         // test under limited permissions (only FileIOPermission)
  91                         dt.CreateDirectory ();
  92                         dt.Delete ();
  93                         dt.Exists ();
  94                         dt.Move ();
  95                         dt.LastAccessTime ();
  96                         dt.LastWriteTime ();
  97                         dt.GetDirectories ();
  98                         dt.GetFiles ();
  99                         dt.GetNoFiles ();
 100                 }
 101
 102                 // test Demand by denying the required permissions
 103
 104                 [Test]
 105                 [FileIOPermission (SecurityAction.Deny, Unrestricted = true)]
 106                 [ExpectedException (typeof (SecurityException))]
 107                 public void CreateDirectory ()
 108                 {
 109                         // FIXME: Change Deny to imperative when supported
 110                         Directory.CreateDirectory (dir);
 111                 }
 112
 113                 [Test]
 114                 [ExpectedException (typeof (SecurityException))]
 115                 public void SetCurrentDirectory_DoesntExist ()
 116                 {
 117                         string cd = null;
 118                         try {
 119                                 cd = Directory.GetCurrentDirectory ();
 120                                 // this will change the current directory (to / or C:\)
 121                                 // and cause tests failures elsewhere...
 122                                 SetCurrentDirectory_DoesntExist_Restricted ();
 123                         }
 124                         finally {
 125                                 // ... unless we return to the original directory
 126                                 Directory.SetCurrentDirectory (cd);
 127                         }
 128                 }
 129
 130                 [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
 131                 private void SetCurrentDirectory_DoesntExist_Restricted ()
 132                 {
 133                         if (RunningOnWindows) {
 134                                 Directory.SetCurrentDirectory ("C:\\D0ES-N0T-EX1ST\\");
 135                         } else {
 136                                 Directory.SetCurrentDirectory ("/d0es-n0t-ex1st/");
 137                         }
 138                         // SecurityPermission before DirectoryNotFoundException
 139                 }
 140         }
 141 }