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//
// ExecutionContextTest.cs - NUnit tests for ExecutionContext
//
// 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.
//
#if NET_2_0
using System;
using System.Security;
using System.Threading;
using NUnit.Framework;
namespace MonoTests.System.Threading {
[TestFixture]
public class ExecutionContextTest {
static bool success;
static void Callback (object o)
{
success = (bool)o;
}
[SetUp]
public void SetUp ()
{
success = false;
}
[TearDown]
public void TearDown ()
{
if (ExecutionContext.IsFlowSuppressed ())
ExecutionContext.RestoreFlow ();
}
[Test]
public void Capture ()
{
ExecutionContext ec = ExecutionContext.Capture ();
Assert.IsNotNull (ec, "Capture");
AsyncFlowControl afc = ExecutionContext.SuppressFlow ();
Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-1");
try {
ec = ExecutionContext.Capture ();
Assert.IsNull (ec, "Capture with SuppressFlow");
}
finally {
afc.Undo ();
}
}
[Test]
public void Copy ()
{
ExecutionContext ec = ExecutionContext.Capture ();
Assert.IsNotNull (ec, "Capture");
ExecutionContext copy = ec.CreateCopy ();
Assert.IsNotNull (copy, "Copy of Capture");
Assert.IsFalse (ec.Equals (copy));
Assert.IsFalse (copy.Equals (ec));
Assert.IsFalse (Object.ReferenceEquals (ec, copy));
ExecutionContext copy2nd = copy.CreateCopy ();
Assert.IsNotNull (copy2nd, "2nd level copy of Capture");
}
[Test]
[ExpectedException (typeof (InvalidOperationException))]
// The context might be the result of capture so no exception is thrown
[Category ("NotWorking")]
public void Copy_FromThread ()
{
ExecutionContext ec = Thread.CurrentThread.ExecutionContext;
Assert.IsNotNull (ec, "Thread.CurrentThread.ExecutionContext");
ExecutionContext copy = ec.CreateCopy ();
}
[Test]
public void IsFlowSuppressed ()
{
Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-1");
AsyncFlowControl afc = ExecutionContext.SuppressFlow ();
Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-2");
afc.Undo ();
Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-3");
}
[Test]
[ExpectedException (typeof (InvalidOperationException))]
public void RestoreFlow_None ()
{
ExecutionContext.RestoreFlow ();
}
[Test]
public void RestoreFlow_SuppressFlow ()
{
Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-1");
ExecutionContext.SuppressFlow ();
Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-2");
ExecutionContext.RestoreFlow ();
Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-3");
}
[Test]
[Category ("CAS")] // since r60298 the SecurityContext is only captured if the security manager is active
public void Run () // see bug #78306 for details
{
Assert.IsFalse (success, "pre-check");
ExecutionContext.Run (ExecutionContext.Capture (), new ContextCallback (Callback), true);
Assert.IsTrue (success, "post-check");
}
[Test]
[ExpectedException (typeof (InvalidOperationException))]
public void Run_SuppressFlow ()
{
Assert.IsFalse (ExecutionContext.IsFlowSuppressed ());
AsyncFlowControl afc = ExecutionContext.SuppressFlow ();
Assert.IsTrue (ExecutionContext.IsFlowSuppressed ());
try {
ExecutionContext.Run (ExecutionContext.Capture (), new ContextCallback (Callback), "Hello world.");
}
finally {
afc.Undo ();
}
}
[Test]
public void SuppressFlow ()
{
Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-1");
AsyncFlowControl afc = ExecutionContext.SuppressFlow ();
Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-3");
afc.Undo ();
Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-4");
}
[Test]
[ExpectedException (typeof (InvalidOperationException))]
public void SuppressFlow_Two_Undo ()
{
Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-1");
AsyncFlowControl afc = ExecutionContext.SuppressFlow ();
Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-2");
AsyncFlowControl afc2 = ExecutionContext.SuppressFlow ();
Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-3");
afc2.Undo ();
// note: afc2 Undo return to the original (not the previous) state
Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-4");
// we can't use the first AsyncFlowControl
afc.Undo ();
}
}
}
#endif
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