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.ChangeExtension ();
  70                         pt.ChangeExtension_Extension_InvalidPathChars ();
  71                         pt.GetDirectoryName ();
  72                         pt.GetExtension ();
  73                         pt.GetFileName ();
  74                         pt.GetFileNameWithoutExtension ();
  75                         pt.GetPathRoot2 ();
  76                         pt.HasExtension ();
  77                         pt.IsPathRooted ();
  78                 }
  79
  80                 [Test]
  81                 [EnvironmentPermission (SecurityAction.PermitOnly, Unrestricted = true)]
  82                 public void PartialTrust_PermitOnlyEnvironment ()
  83                 {
  84                         // ... some methods (or tests) require to read environment variables...
  85                         pt.GetTempPath ();
  86                 }
  87
  88                 [Test]
  89                 [EnvironmentPermission (SecurityAction.PermitOnly, Unrestricted = true)]
  90                 [FileIOPermission (SecurityAction.PermitOnly, Unrestricted = true)]
  91                 public void PartialTrust_PermitOnlyEnvironmentFileIO ()
  92                 {
  93                         // ... some methods (or tests) require to read environment variables
  94                         // and file i/o permissions ...
  95                         pt.Combine ();
  96                         pt.GetTempFileName ();
  97                 }
  98
  99                 [Test]
 100                 [FileIOPermission (SecurityAction.PermitOnly, Unrestricted = true)]
 101                 public void PartialTrust_PermitOnlyFileIO ()
 102                 {
 103                         // ... while others do need only FileIOPermission
 104                         pt.GetFullPath2 ();
 105                         pt.CanonicalizeDots (); // only calls Path.GetFullPath
 106                 }
 107
 108                 // test Demand by denying the required permissions
 109
 110                 [Test]
 111                 [FileIOPermission (SecurityAction.Deny, Unrestricted = true)]
 112                 [ExpectedException (typeof (SecurityException))]
 113                 public void GetFullPath1 ()
 114                 {
 115                         Assert.IsNotNull (Path.GetFullPath (cd));
 116                 }
 117
 118                 [Test]
 119                 [FileIOPermission (SecurityAction.PermitOnly, Unrestricted = true)]
 120                 public void GetFullPath2 ()
 121                 {
 122                         Assert.IsNotNull (Path.GetFullPath (cd));
 123                 }
 124
 125                 [Test]
 126                 [EnvironmentPermission (SecurityAction.PermitOnly, Unrestricted = true)]
 127                 public void GetTempFileName1 ()
 128                 {
 129                         Assert.IsNotNull (Path.GetTempFileName ());
 130                         // i.e. no FileIOPermission is required to get a temporary filename
 131                 }
 132
 133                 [Test]
 134                 [EnvironmentPermission (SecurityAction.Deny, Write = "USERNAME")]
 135                 [ExpectedException (typeof (SecurityException))]
 136                 public void GetTempFileName2 ()
 137                 {
 138                         // yep, Write USERNAME don't make sense - unless the callee
 139                         // (indirectly) requires Unrestricted access for EnvironmentPermission
 140                         Assert.IsNotNull (Path.GetTempFileName ());
 141                 }
 142
 143                 [Test]
 144                 [EnvironmentPermission (SecurityAction.PermitOnly, Unrestricted = true)]
 145                 public void GetTempPath1 ()
 146                 {
 147                         Assert.IsNotNull (Path.GetTempPath ());
 148                         // i.e. no FileIOPermission is required to get the temporary directory
 149                 }
 150
 151                 [Test]
 152                 [EnvironmentPermission (SecurityAction.Deny, Write = "USERNAME")]
 153                 [ExpectedException (typeof (SecurityException))]
 154                 public void GetTempPath2 ()
 155                 {
 156                         // yep, Write USERNAME don't make sense - unless the callee
 157                         // requires Unrestricted access for EnvironmentPermission
 158                         Assert.IsNotNull (Path.GetTempPath ());
 159                 }
 160
 161                 // many calls work only on strings (i.e. they dont access the file system)
 162                 // so no Demand for FileIOPermission (or any other) are required
 163
 164                 [Test]
 165                 [PermissionSet (SecurityAction.Deny, Unrestricted = true)]
 166                 public void NoFileIOPermission ()
 167                 {
 168                         Assert.IsNotNull (Path.ChangeExtension ("test.doc", "txt"), "ChangeExtension");
 169                         string combine = Path.Combine ("dir", "test.txt");
 170                         Assert.IsNotNull (combine, "Combine");
 171                         Assert.IsNotNull (Path.GetDirectoryName (combine), "GetDirectoryName");
 172                         Assert.IsNotNull (Path.GetExtension ("test.txt"), "GetExtension");
 173                         Assert.IsNotNull (Path.GetFileName ("test.txt"), "GetFileName");
 174                         Assert.IsNotNull (Path.GetFileNameWithoutExtension ("test.txt"), "GetFileNameWithoutExtension");
 175                         Assert.IsNotNull (Path.GetPathRoot (cd), "GetPathRoot");
 176                         Assert.IsTrue (Path.HasExtension ("test.txt"), "HasExtension");
 177                         Assert.IsFalse (Path.IsPathRooted (combine), "IsPathRooted");
 178                 }
 179         }
 180 }