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//
// TimerTest.cs - NUnit test cases for System.Threading.Timer
//
// Author:
// Zoltan Varga (vargaz@freemail.hu)
//
// (C) 2004 Novell, Inc (http://www.novell.com)
//
using NUnit.Framework;
using System;
using System.Threading;
namespace MonoTests.System.Threading {
[TestFixture]
//
// This whole test seems to fail randomly. Either
// - It is relying on a race it might not win (that the timer code runs)
// - We have a very obscure bug with appdomains.
//
// Am going with door #1, but it would be nice to investigate this.
// -- Ben
//
public class TimerTest : Assertion {
[Test]
[Category ("NotWorking")]
public void TestDueTime ()
{
counter = 0;
Timer t = new Timer (new TimerCallback (Callback), null, 200, Timeout.Infinite);
Thread.Sleep (50);
AssertEquals ("t0", 0, counter);
Thread.Sleep (200);
AssertEquals ("t1", 1, counter);
Thread.Sleep (500);
AssertEquals ("t2", 1, counter);
t.Change (10, 10);
Thread.Sleep (500);
Assert ("t3", counter > 20);
t.Dispose ();
}
[Test]
[Category ("NotWorking")]
public void TestChange ()
{
counter = 0;
Timer t = new Timer (new TimerCallback (Callback), null, 1, 1);
Thread.Sleep (500);
int c = counter;
Assert ("t1", c > 20);
t.Change (100, 100);
Thread.Sleep (500);
Assert ("t2", counter <= c + 6);
t.Dispose ();
}
[Test]
[Category ("NotWorking")]
public void TestZeroDueTime () {
counter = 0;
Timer t = new Timer (new TimerCallback (Callback), null, 0, Timeout.Infinite);
Thread.Sleep (100);
AssertEquals (1, counter);
t.Change (0, Timeout.Infinite);
Thread.Sleep (100);
AssertEquals (2, counter);
t.Dispose ();
}
[Test]
[Category ("NotWorking")]
public void TestDispose ()
{
counter = 0;
Timer t = new Timer (new TimerCallback (CallbackTestDispose), null, 10, 10);
Thread.Sleep (200);
t.Dispose ();
Thread.Sleep (20);
int c = counter;
Assert (counter > 5);
Thread.Sleep (200);
AssertEquals (c, counter);
}
[Test] // bug #78208
public void TestDispose2 ()
{
Timer t = new Timer (new TimerCallback (CallbackTestDispose), null, 10, 10);
t.Dispose ();
t.Dispose ();
}
[Test]
[Category ("NotWorking")]
public void TestDisposeOnCallback () {
counter = 0;
t1 = new Timer (new TimerCallback (CallbackTestDisposeOnCallback), null, 0, 10);
Thread.Sleep (200);
AssertNull (t1);
counter = 2;
t1 = new Timer (new TimerCallback (CallbackTestDisposeOnCallback), null, 50, 0);
Thread.Sleep (200);
AssertNull (t1);
}
private void CallbackTestDisposeOnCallback (object foo)
{
if (++counter == 3) {
t1.Dispose ();
t1 = null;
}
}
private void CallbackTestDispose (object foo)
{
counter++;
}
private void Callback (object foo)
{
counter++;
}
Timer t1;
int counter;
}
}
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