90 lines
3.1 KiB
C#
90 lines
3.1 KiB
C#
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//
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// WaitHandleCas.cs - CAS unit tests for System.Threading.WaitHandle
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//
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// Author:
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// Sebastien Pouliot <sebastien@ximian.com>
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//
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// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using NUnit.Framework;
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using System;
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using System.Reflection;
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using System.Security;
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using System.Security.Permissions;
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using System.Threading;
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namespace MonoCasTests.System.Threading {
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// "test" inheritance - this will (or should) always works as we have
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// UnmanagedCode permission when loading the assembly. So we're proving
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// this works - not proving when it shouldn't works :-/
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public class NonAbstractWaitHandle : WaitHandle {
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}
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public class CasWaitHandle : WaitHandle {
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public override IntPtr Handle {
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get { return base.Handle; }
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set { base.Handle = value; }
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}
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}
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[TestFixture]
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[Category ("CAS")]
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public class WaitHandleCas {
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[SetUp]
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public void SetUp ()
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{
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if (!SecurityManager.SecurityEnabled)
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Assert.Ignore ("SecurityManager.SecurityEnabled is OFF");
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}
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// we use reflection to call WaitHandle as the Handle property is protected by
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// a LinkDemand (which will be converted into full demand, i.e. a stack walk)
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// when reflection is used (i.e. it gets testable).
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[Test]
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[SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
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[ExpectedException (typeof (SecurityException))]
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public void WaitHandle_Handle ()
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{
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MethodInfo mi = typeof (NonAbstractWaitHandle).GetProperty ("Handle").GetSetMethod ();
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NonAbstractWaitHandle wh = new NonAbstractWaitHandle ();
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mi.Invoke (wh, new object [1] { IntPtr.Zero });
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}
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[Test]
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[SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
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public void CasWaitHandle_Handle ()
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{
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MethodInfo mi = typeof (CasWaitHandle).GetProperty ("Handle", BindingFlags.Instance | BindingFlags.Public | BindingFlags.DeclaredOnly).GetSetMethod ();
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CasWaitHandle cwh = new CasWaitHandle ();
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mi.Invoke (cwh, new object [1] { IntPtr.Zero });
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// note: this works because CasWaitHandle doesn't have a LinkDemand on Handle
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// and yes this is a reason why LinkDemand are dangereous
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}
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}
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}
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