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//
// Unit tests for async methods of Transaction class
//
// Author:
// Ankit Jain <JAnkit@novell.com>
//
// Copyright (C) 2006 Novell, Inc (http://www.novell.com)
//
using System;
using System.Transactions;
using NUnit.Framework;
using System.Threading;
namespace MonoTests.System.Transactions {
[TestFixture]
// https://bugzilla.novell.com/show_bug.cgi?id=463999
[Category ("NotWorking")]
public class AsyncTest {
[SetUp]
public void Setup ()
{
delayedException = null;
called = false;
mr.Reset ();
state = 0;
Transaction.Current = null;
}
[TearDown]
public void TearDown ()
{
Transaction.Current = null;
}
[Test]
[ExpectedException ( typeof ( InvalidOperationException ) )]
public void AsyncFail1 ()
{
IntResourceManager irm = new IntResourceManager ( 1 );
CommittableTransaction ct = new CommittableTransaction ();
/* Set ambient Tx */
Transaction.Current = ct;
/* Enlist */
irm.Value = 2;
IAsyncResult ar = ct.BeginCommit ( null, null );
IAsyncResult ar2 = ct.BeginCommit ( null, null );
}
[Test]
[ExpectedException (typeof (TransactionAbortedException))]
public void AsyncFail2 ()
{
IntResourceManager irm = new IntResourceManager ( 1 );
CommittableTransaction ct = new CommittableTransaction ();
/* Set ambient Tx */
Transaction.Current = ct;
/* Enlist */
irm.Value = 2;
irm.FailPrepare = true;
IAsyncResult ar = ct.BeginCommit ( null, null );
ct.EndCommit ( ar );
}
AsyncCallback callback = null;
static int state = 0;
/* Callback called ? */
static bool called = false;
static ManualResetEvent mr = new ManualResetEvent ( false );
static Exception delayedException;
static void CommitCallback (IAsyncResult ar)
{
called = true;
CommittableTransaction ct = ar as CommittableTransaction;
try {
state = ( int ) ar.AsyncState;
ct.EndCommit ( ar );
} catch ( Exception e ) {
delayedException = e;
} finally {
mr.Set ();
}
}
[Test]
public void AsyncFail3 ()
{
delayedException = null;
IntResourceManager irm = new IntResourceManager ( 1 );
CommittableTransaction ct = new CommittableTransaction ();
/* Set ambient Tx */
Transaction.Current = ct;
/* Enlist */
irm.Value = 2;
irm.FailPrepare = true;
callback = new AsyncCallback (CommitCallback);
IAsyncResult ar = ct.BeginCommit ( callback, 5 );
mr.WaitOne (new TimeSpan (0, 0, 60), true);
Assert.IsTrue ( called, "callback not called" );
Assert.AreEqual ( 5, state, "state not preserved" );
if ( delayedException.GetType () != typeof ( TransactionAbortedException ) )
Assert.Fail ( "Expected TransactionAbortedException, got {0}", delayedException.GetType () );
}
[Test]
public void Async1 ()
{
IntResourceManager irm = new IntResourceManager ( 1 );
CommittableTransaction ct = new CommittableTransaction ();
/* Set ambient Tx */
Transaction.Current = ct;
/* Enlist */
irm.Value = 2;
callback = new AsyncCallback (CommitCallback);
IAsyncResult ar = ct.BeginCommit ( callback, 5);
mr.WaitOne (new TimeSpan (0, 2, 0), true);
Assert.IsTrue (called, "callback not called" );
Assert.AreEqual ( 5, state, "State not received back");
if ( delayedException != null )
throw new Exception ("", delayedException );
}
[Test]
public void Async2 ()
{
IntResourceManager irm = new IntResourceManager ( 1 );
CommittableTransaction ct = new CommittableTransaction ();
using ( TransactionScope scope = new TransactionScope (ct) ) {
irm.Value = 2;
//scope.Complete ();
IAsyncResult ar = ct.BeginCommit ( null, null);
try {
ct.EndCommit ( ar );
}
catch ( TransactionAbortedException) {
irm.Check ( 0, 0, 1, 0, "irm" );
return;
}
}
Assert.Fail ( "EndCommit should've thrown an exception" );
}
[Test]
public void Async3 ()
{
IntResourceManager irm = new IntResourceManager ( 1 );
CommittableTransaction ct = new CommittableTransaction ();
/* Set ambient Tx */
Transaction.Current = ct;
/* Enlist */
irm.Value = 2;
IAsyncResult ar = ct.BeginCommit ( null, null );
ct.EndCommit ( ar );
irm.Check ( 1, 1, 0, 0, "irm" );
}
[Test]
public void Async4 ()
{
IntResourceManager irm = new IntResourceManager ( 1 );
CommittableTransaction ct = new CommittableTransaction ();
/* Set ambient Tx */
Transaction.Current = ct;
/* Enlist */
irm.Value = 2;
IAsyncResult ar = ct.BeginCommit ( null, null );
ar.AsyncWaitHandle.WaitOne ();
Assert.IsTrue ( ar.IsCompleted );
irm.Check ( 1, 1, 0, 0, "irm" );
}
[Test]
public void Async5 ()
{
IntResourceManager irm = new IntResourceManager ( 1 );
CommittableTransaction ct = new CommittableTransaction ();
/* Set ambient Tx */
Transaction.Current = ct;
/* Enlist */
irm.Value = 2;
irm.FailPrepare = true;
IAsyncResult ar = ct.BeginCommit ( null, null );
ar.AsyncWaitHandle.WaitOne ();
Assert.IsTrue ( ar.IsCompleted );
try {
CommittableTransaction ctx = ar as CommittableTransaction;
ctx.EndCommit ( ar );
} catch ( TransactionAbortedException ) {
irm.Check ( 1, 0, 0, 0, "irm" );
return;
}
Assert.Fail ("EndCommit should've failed");
}
}
}
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