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//
// PathCas.cs -CAS unit tests for System.IO.Path
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// Copyright (C) 2005 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;
namespace MonoCasTests.System.IO {
[TestFixture]
[Category ("CAS")]
public class PathCas {
private MonoTests.System.IO.PathTest pt;
private string cd;
[TestFixtureSetUp]
public void FixtureSetUp ()
{
// this occurs with a "clean" stack (full trust)
pt = new MonoTests.System.IO.PathTest ();
cd = Environment.CurrentDirectory;
}
[SetUp]
public void SetUp ()
{
if (!SecurityManager.SecurityEnabled)
Assert.Ignore ("SecurityManager.SecurityEnabled is OFF");
pt.SetUp ();
}
// Partial Trust Tests - i.e. call "normal" unit with reduced privileges
[Test]
[PermissionSet (SecurityAction.Deny, Unrestricted = true)]
public void PartialTrust_DenyUnrestricted_Success ()
{
// some calls do not require any permissions...
pt.ChangeExtension ();
pt.ChangeExtension_Extension_InvalidPathChars ();
pt.GetDirectoryName ();
pt.GetExtension ();
pt.GetFileName ();
pt.GetFileNameWithoutExtension ();
pt.GetPathRoot2 ();
pt.HasExtension ();
pt.IsPathRooted ();
}
[Test]
[EnvironmentPermission (SecurityAction.PermitOnly, Unrestricted = true)]
public void PartialTrust_PermitOnlyEnvironment ()
{
// ... some methods (or tests) require to read environment variables...
pt.GetTempPath ();
}
[Test]
[EnvironmentPermission (SecurityAction.PermitOnly, Unrestricted = true)]
[FileIOPermission (SecurityAction.PermitOnly, Unrestricted = true)]
public void PartialTrust_PermitOnlyEnvironmentFileIO ()
{
// ... some methods (or tests) require to read environment variables
// and file i/o permissions ...
pt.Combine ();
pt.GetTempFileName ();
}
[Test]
[FileIOPermission (SecurityAction.PermitOnly, Unrestricted = true)]
public void PartialTrust_PermitOnlyFileIO ()
{
// ... while others do need only FileIOPermission
pt.GetFullPath2 ();
pt.CanonicalizeDots (); // only calls Path.GetFullPath
}
// test Demand by denying the required permissions
[Test]
[FileIOPermission (SecurityAction.Deny, Unrestricted = true)]
[ExpectedException (typeof (SecurityException))]
public void GetFullPath1 ()
{
Assert.IsNotNull (Path.GetFullPath (cd));
}
[Test]
[FileIOPermission (SecurityAction.PermitOnly, Unrestricted = true)]
public void GetFullPath2 ()
{
Assert.IsNotNull (Path.GetFullPath (cd));
}
[Test]
[EnvironmentPermission (SecurityAction.PermitOnly, Unrestricted = true)]
public void GetTempFileName1 ()
{
Assert.IsNotNull (Path.GetTempFileName ());
// i.e. no FileIOPermission is required to get a temporary filename
}
[Test]
[EnvironmentPermission (SecurityAction.Deny, Write = "USERNAME")]
[ExpectedException (typeof (SecurityException))]
public void GetTempFileName2 ()
{
// yep, Write USERNAME don't make sense - unless the callee
// (indirectly) requires Unrestricted access for EnvironmentPermission
Assert.IsNotNull (Path.GetTempFileName ());
}
[Test]
[EnvironmentPermission (SecurityAction.PermitOnly, Unrestricted = true)]
public void GetTempPath1 ()
{
Assert.IsNotNull (Path.GetTempPath ());
// i.e. no FileIOPermission is required to get the temporary directory
}
[Test]
[EnvironmentPermission (SecurityAction.Deny, Write = "USERNAME")]
[ExpectedException (typeof (SecurityException))]
public void GetTempPath2 ()
{
// yep, Write USERNAME don't make sense - unless the callee
// requires Unrestricted access for EnvironmentPermission
Assert.IsNotNull (Path.GetTempPath ());
}
// many calls work only on strings (i.e. they dont access the file system)
// so no Demand for FileIOPermission (or any other) are required
[Test]
[PermissionSet (SecurityAction.Deny, Unrestricted = true)]
public void NoFileIOPermission ()
{
Assert.IsNotNull (Path.ChangeExtension ("test.doc", "txt"), "ChangeExtension");
string combine = Path.Combine ("dir", "test.txt");
Assert.IsNotNull (combine, "Combine");
Assert.IsNotNull (Path.GetDirectoryName (combine), "GetDirectoryName");
Assert.IsNotNull (Path.GetExtension ("test.txt"), "GetExtension");
Assert.IsNotNull (Path.GetFileName ("test.txt"), "GetFileName");
Assert.IsNotNull (Path.GetFileNameWithoutExtension ("test.txt"), "GetFileNameWithoutExtension");
Assert.IsNotNull (Path.GetPathRoot (cd), "GetPathRoot");
Assert.IsTrue (Path.HasExtension ("test.txt"), "HasExtension");
Assert.IsFalse (Path.IsPathRooted (combine), "IsPathRooted");
}
}
}
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