public void TestMaxInsideInTwoRegions()
{
var region = new ThrottledRegion(1, 1, Timeout.Infinite);
var key = 1;
var key2 = 2;
Thread t1 = new Thread(() => { TryEnterSuccess(region, key); }); // enter region1
Thread t2 = new Thread(() => { TryEnterSuccess(region, key); }); // wait region1
Thread t3 = new Thread(() => { TryEnterFail(region, key); }); // Fail region1
Thread t4 = new Thread(() => { TryEnterSuccess(region, key2); }); // enter region2
Thread t5 = new Thread(() => { TryEnterSuccess(region, key2); }); // wait region2
Thread t6 = new Thread(() => { TryEnterFail(region, key2); }); // fail region2
t1.Start();
t1.Join();
t2.Start(); // will wait
Thread.Sleep(100); //give some time to run before the t3
t3.Start();
t3.Join();
region.Leave(key);
t2.Join();
t4.Start();
t4.Join();
t5.Start(); // will wait
Thread.Sleep(100); //give some time to run before the t6
t6.Start();
t6.Join();
region.Leave(key2);
t5.Join();
}
public void Test_RegionFull()
{
ThrottledRegion tr = new ThrottledRegion(1, 1, Timeout.Infinite);
bool waiting = false;
new Thread(() => {
try
{
Assert.IsTrue(tr.TryEnter(1));
waiting = true;
tr.Leave(1);
}
catch (Exception e)
{
exceptions.Add(e);
}
}).Start();
while (!waiting)
{
;
}
int start = Environment.TickCount;
Assert.IsTrue(tr.TryEnter(1));
int elapsed = Environment.TickCount - start;
tr.Leave(1);
Assert.AreEqual(0, exceptions.Count);
}
public void TestTimeout()
{
var region = new ThrottledRegion(2, 2, 1000);
var key = 1;
Thread t1 = new Thread(() => { TryEnterSuccess(region, key); }); // enter
Thread t2 = new Thread(() => { TryEnterSuccess(region, key); }); // enter
Thread t3 = new Thread(() => { TryEnterFail(region, key); }); // wait
t1.Start();
t2.Start();
t1.Join();
t2.Join();
t3.Start();
Thread.Sleep(3000); // make sure t3 gets the timeout
t3.Join();
}
public void TestInterruptedEException()
{
maxInside = 1;
maxWaiting = 1;
waitTimeout = Timeout.Infinite;
ThrottledRegion region = new ThrottledRegion(maxInside, maxWaiting, waitTimeout);
Thread t1 = new Thread(() => { doWork(region, 1, true); });
Thread t2 = new Thread(() => { doWork(region, 2, true); });
Thread t3 = new Thread(() => { doWork(region, 3, false); });
t1.Start(); // t1 entra
t1.Join();
t2.Start(); // t2 fica em espera
Thread.Sleep(100);
t2.Interrupt();
t2.Join();
}
public void TestSucess()
{
var region = new ThrottledRegion(2, 2, Timeout.Infinite);
var key = 1;
Thread t1 = new Thread(() => { TryEnterSuccess(region, key); }); // enter
Thread t2 = new Thread(() => { TryEnterSuccess(region, key); }); // enter
Thread t3 = new Thread(() => { TryEnterSuccess(region, key); }); // wait
t1.Start();
t2.Start();
t1.Join();
t2.Join();
t3.Start();
Thread.Sleep(1000); // make sure t3 is waiting
region.Leave(key); // t3 can enter
t3.Join();
}
public void TestTimeout()
{
maxInside = 2;
maxWaiting = 2;
waitTimeout = 1000;
ThrottledRegion region = new ThrottledRegion(maxInside, maxWaiting, waitTimeout);
Thread t1 = new Thread(() => { doWork(region, 1, true); });
Thread t2 = new Thread(() => { doWork(region, 2, true); });
Thread t3 = new Thread(() => { doWork(region, 3, false); });
t1.Start(); // t1 entra
t2.Start(); // t2 entra
t1.Join();
t2.Join();
t3.Start();
Thread.Sleep(2000); // para t3 sair por timeout
t3.Join();
}
public void TestMaxInsideFull()
{
maxInside = 1;
maxWaiting = 1;
waitTimeout = Timeout.Infinite;
ThrottledRegion region = new ThrottledRegion(maxInside, maxWaiting, waitTimeout);
Thread t1 = new Thread(() => { doWork(region, 1, true); });
Thread t2 = new Thread(() => { doWork(region, 2, true); });
Thread t3 = new Thread(() => { doWork(region, 3, false); });
t1.Start(); // t1 entra
t1.Join();
t2.Start(); // t2 fica em espera
Thread.Sleep(100);
t3.Start(); // sai pq nao há espaço
t3.Join();
region.Leave(key); // t2 entra
t2.Join();
}
public void TestSuccess()
{
maxInside = 2;
maxWaiting = 2;
waitTimeout = Timeout.Infinite; // para nunca sairem por timeout
ThrottledRegion region = new ThrottledRegion(maxInside, maxWaiting, waitTimeout);
Thread t1 = new Thread(() => { doWork(region, 1, true); });
Thread t2 = new Thread(() => { doWork(region, 2, true); });
Thread t3 = new Thread(() => { doWork(region, 3, true); });
t1.Start(); // t1 entra
t2.Start(); // t2 entra
t1.Join();
t2.Join();
t3.Start();
Thread.Sleep(1000); // t3 fica em espera
region.Leave(key); // t3 entra
t3.Join();
}
private void doWork(ThrottledRegion tregion, int threadId, bool expected)
{
try
{
bool res = tregion.TryEnter(key);
Console.WriteLine("thread " + threadId + " returned " + res);
if (expected)
{
Assert.IsTrue(res);
}
else
{
Assert.IsFalse(res);
}
} catch (ThreadInterruptedException e)
{
Console.WriteLine("thread " + threadId + " returned " + e.Message);
Assert.Fail();
}
}
public void Test_InterruptedThread()
{
ThrottledRegion tr = new ThrottledRegion(1, 1, Timeout.Infinite);
Assert.IsTrue(tr.TryEnter(1));
Thread t1 = new Thread(() => {
try
{
tr.TryEnter(1);
}
catch (ThreadInterruptedException e)
{
exceptions.Add(e);
}
});
t1.Start();
t1.Interrupt();
t1.Join();
Assert.AreEqual(1, exceptions.Count);
}
public void Test_MultipleThreadsInside()
{
ThrottledRegion tr = new ThrottledRegion(2, 1, Timeout.Infinite);
Thread t1 = new Thread(() => {
try
{
Assert.IsTrue(tr.TryEnter(1));
Thread.Sleep(150);
tr.Leave(1);
}
catch (Exception e)
{
exceptions.Add(e);
}
});
t1.Start();
Assert.IsTrue(tr.TryEnter(1));
tr.Leave(1);
t1.Join();
Assert.AreEqual(0, exceptions.Count);
}
public void TryEnterSuccess(ThrottledRegion region, int key)
{
Assert.IsTrue(region.TryEnter(key));
}
public void TryEnterFail(ThrottledRegion region, int key)
{
Assert.IsFalse(region.TryEnter(key));
}
