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

   1 //
   2 // PathCas.cs -CAS unit tests for System.IO.Path
   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.IO;
  33 using System.Reflection;
  34 using System.Security;
  35 using System.Security.Permissions;
  36
  37 namespace MonoCasTests.System.IO {
  38
  39         [TestFixture]
  40         [Category ("CAS")]
  41         public class PathCas {
  42
  43                 private MonoTests.System.IO.PathTest pt;
  44                 private string cd;
  45
  46                 [TestFixtureSetUp]
  47                 public void FixtureSetUp ()
  48                 {
  49                         // this occurs with a "clean" stack (full trust)
  50                         pt  = new MonoTests.System.IO.PathTest ();
  51                         cd = Environment.CurrentDirectory;
  52                 }
  53
  54                 [SetUp]
  55                 public void SetUp ()
  56                 {
  57                         if (!SecurityManager.SecurityEnabled)
  58                                 Assert.Ignore ("SecurityManager.SecurityEnabled is OFF");
  59                         pt.SetUp ();
  60                 }
  61
  62                 // Partial Trust Tests - i.e. call "normal" unit with reduced privileges
  63
  64                 [Test]
  65                 [PermissionSet (SecurityAction.Deny, Unrestricted = true)]
  66                 public void PartialTrust_DenyUnrestricted_Success ()
  67                 {
  68                         // some calls do not require any permissions...
  69                         pt.TestChangeExtension ();
  70                         pt.ChangeExtension_BadExtension ();
  71                         pt.TestDirectoryName ();
  72                         pt.TestGetExtension ();
  73                         pt.TestGetFileName ();
  74                         pt.TestGetFileNameWithoutExtension ();
  75                         pt.TestGetPathRoot2 ();
  76                         pt.TestHasExtension ();
  77                         pt.TestRooted ();
  78                         pt.TestDirectoryNameBugs ();
  79                 }
  80
  81                 [Test]
  82                 [EnvironmentPermission (SecurityAction.PermitOnly, Unrestricted = true)]
  83                 public void PartialTrust_PermitOnlyEnvironment ()
  84                 {
  85                         // ... some methods (or tests) require to read environment variables...
  86                         pt.TestGetTempPath ();
  87                 }
  88
  89                 [Test]
  90                 [EnvironmentPermission (SecurityAction.PermitOnly, Unrestricted = true)]
  91                 [FileIOPermission (SecurityAction.PermitOnly, Unrestricted = true)]
  92                 public void PartialTrust_PermitOnlyEnvironmentFileIO ()
  93                 {
  94                         // ... some methods (or tests) require to read environment variables
  95                         // and file i/o permissions ...
  96                         pt.TestCombine ();
  97                         pt.TestGetTempFileName ();
  98                 }
  99
 100                 [Test]
 101                 [FileIOPermission (SecurityAction.PermitOnly, Unrestricted = true)]
 102                 public void PartialTrust_PermitOnlyFileIO ()
 103                 {
 104                         // ... while others do need only FileIOPermission
 105                         pt.TestGetFullPath2 ();
 106                         pt.TestCanonicalizeDots ();     // only calls Path.GetFullPath
 107                         pt.TestGetFullPathUnix ();      // calls Environment.CurrentDirectory
 108                 }
 109
 110                 // test Demand by denying the required permissions
 111
 112                 [Test]
 113                 [FileIOPermission (SecurityAction.Deny, Unrestricted = true)]
 114                 [ExpectedException (typeof (SecurityException))]
 115                 public void GetFullPath1 ()
 116                 {
 117                         Assert.IsNotNull (Path.GetFullPath (cd));
 118                 }
 119
 120                 [Test]
 121                 [FileIOPermission (SecurityAction.PermitOnly, Unrestricted = true)]
 122                 public void GetFullPath2 ()
 123                 {
 124                         Assert.IsNotNull (Path.GetFullPath (cd));
 125                 }
 126
 127                 [Test]
 128                 [EnvironmentPermission (SecurityAction.PermitOnly, Unrestricted = true)]
 129                 public void GetTempFileName1 ()
 130                 {
 131                         Assert.IsNotNull (Path.GetTempFileName ());
 132                         // i.e. no FileIOPermission is required to get a temporary filename
 133                 }
 134
 135                 [Test]
 136                 [EnvironmentPermission (SecurityAction.Deny, Write = "USERNAME")]
 137                 [ExpectedException (typeof (SecurityException))]
 138                 public void GetTempFileName2 ()
 139                 {
 140                         // yep, Write USERNAME don't make sense - unless the callee
 141                         // (indirectly) requires Unrestricted access for EnvironmentPermission
 142                         Assert.IsNotNull (Path.GetTempFileName ());
 143                 }
 144
 145                 [Test]
 146                 [EnvironmentPermission (SecurityAction.PermitOnly, Unrestricted = true)]
 147                 public void GetTempPath1 ()
 148                 {
 149                         Assert.IsNotNull (Path.GetTempPath ());
 150                         // i.e. no FileIOPermission is required to get the temporary directory
 151                 }
 152
 153                 [Test]
 154                 [EnvironmentPermission (SecurityAction.Deny, Write = "USERNAME")]
 155                 [ExpectedException (typeof (SecurityException))]
 156                 public void GetTempPath2 ()
 157                 {
 158                         // yep, Write USERNAME don't make sense - unless the callee
 159                         // requires Unrestricted access for EnvironmentPermission
 160                         Assert.IsNotNull (Path.GetTempPath ());
 161                 }
 162
 163                 // many calls work only on strings (i.e. they dont access the file system)
 164                 // so no Demand for FileIOPermission (or any other) are required
 165
 166                 [Test]
 167                 [PermissionSet (SecurityAction.Deny, Unrestricted = true)]
 168                 public void NoFileIOPermission ()
 169                 {
 170                         Assert.IsNotNull (Path.ChangeExtension ("test.doc", "txt"), "ChangeExtension");
 171                         string combine = Path.Combine ("dir", "test.txt");
 172                         Assert.IsNotNull (combine, "Combine");
 173                         Assert.IsNotNull (Path.GetDirectoryName (combine), "GetDirectoryName");
 174                         Assert.IsNotNull (Path.GetExtension ("test.txt"), "GetExtension");
 175                         Assert.IsNotNull (Path.GetFileName ("test.txt"), "GetFileName");
 176                         Assert.IsNotNull (Path.GetFileNameWithoutExtension ("test.txt"), "GetFileNameWithoutExtension");
 177                         Assert.IsNotNull (Path.GetPathRoot (cd), "GetPathRoot");
 178                         Assert.IsTrue (Path.HasExtension ("test.txt"), "HasExtension");
 179                         Assert.IsFalse (Path.IsPathRooted (combine), "IsPathRooted");
 180                 }
 181         }
 182 }