public void QueuedTaskRunnerErrorTest()
{
Action action = () => { throw new InvalidOperationException("boom"); };
int calledTimes = 0;
int baseThreadId = System.Threading.Thread.CurrentThread.ManagedThreadId;
using (TaskExecutor runner = new TaskExecutor(1))
{
runner.HasErrors.Should().BeFalse();
runner.OnTaskError += (sender, args) =>
{
sender.Should().BeSameAs(runner);
args.TaskException.Should().BeOfType<InvalidOperationException>();
System.Threading.Thread.CurrentThread.ManagedThreadId.Should().Be(baseThreadId);
calledTimes++;
args.WasHandled = true;
};
runner.OnThreadTaskError += (sender, args) =>
{
sender.Should().BeSameAs(runner);
args.TaskException.Should().BeOfType<InvalidOperationException>();
baseThreadId.Should().NotBe(System.Threading.Thread.CurrentThread.ManagedThreadId);
args.WasHandled = true;
};
foreach (var n in Enumerable.Range(0, 5))
{
runner.AddTask(action);
}
runner.Finish();
runner.HasErrors.Should().BeTrue();
}
calledTimes.Should().Be(5);
}
public void ParallelRunnerTestTaskCount()
{
using (TaskExecutor runner = new TaskExecutor())
{
const int count = 10;
foreach (var num in Enumerable.Range(0, count))
{
runner.AddTask(() => Thread.Sleep(100));
}
runner.TotalAddedTasks.Should().Be(count);
runner.RemainingTasks.Should().Be(count);
runner.ErrorCount.Should().Be(0);
runner.FinishedTasksCount.Should().Be(0);
runner.FlushTasks();
runner.TotalAddedTasks.Should().Be(count);
runner.RemainingTasks.Should().Be(0);
runner.FinishedTasksCount.Should().Be(count);
runner.ErrorCount.Should().Be(0);
runner.Finish();
runner.TotalAddedTasks.Should().Be(count);
runner.RemainingTasks.Should().Be(0);
runner.FinishedTasksCount.Should().Be(count);
runner.ErrorCount.Should().Be(0);
}
}
public void QueuedTaskRunnerWorkerThreadTest()
{
TaskExecutor runner = new TaskExecutor(1);
bool hasThrown = false;
try
{
runner.Finish();
runner.Finish();
runner.Dispose();
}
catch
{
hasThrown = true;
}
hasThrown.Should().BeFalse();
}
public void ParallelRunnerTest()
{
const int task = 100;
int sum = 0;
using (TaskExecutor runner = new TaskExecutor())
{
object pad = new object();
foreach (var num in Enumerable.Range(0, task))
{
runner.AddTask(() =>
{
lock (pad) { sum++; }
});
}
runner.Finish();
}
sum.Should().Be(task);
}
public void ParallelRunnerFlushTasksTest()
{
for (int count = 0; count < 20; count++)
{
using (TaskExecutor runner = new TaskExecutor())
{
int i = 0;
double r;
foreach (var num in Enumerable.Range(0, count))
{
runner.AddTask(() =>
{
for (int j = 0; j < 1000; j++)
{
r = Math.Sin(0.234234) * Math.Atan(j);
}
Interlocked.Increment(ref i);
});
}
(i <= count).Should().BeTrue();
runner.FlushTasks();
i.Should().Be(count);
runner.Finish();
i.Should().Be(count);
}
}
}
public void ParallelRunnerStressTest()
{
// 1000 increments with 2ms sleep each on 2 threads
// 1000 * 2ms / 2threads = 1000ms min wait
using (TaskExecutor runner = new TaskExecutor(2))
{
int val = 0;
Enumerable.Range(0, 1000).ToList().ForEach(n => runner.AddTask(() => { Thread.Sleep(2); Interlocked.Increment(ref val); }));
runner.FlushTasks();
val.Should().Be(1000);
runner.Finish();
}
}
public void ParallelRunnerHandeledExceptionTest()
{
using (TaskExecutor runner = new TaskExecutor())
{
runner.OnTaskError += (s, e) => e.WasHandled = true;
InvalidOperationException x = new InvalidOperationException();
runner.AddTask(() => { throw x; });
Action action = () => runner.Finish();
action.ShouldNotThrow();
}
}
public void ParallelRunnerExceptionTest()
{
using (TaskExecutor runner = new TaskExecutor())
{
InvalidOperationException x = new InvalidOperationException();
runner.AddTask(() => { throw x; });
AggregateException pex = null;
try
{
runner.Finish();
}
catch (AggregateException ex)
{
pex = ex;
}
pex.InnerExceptions.Single().Should().Be(x);
}
}
public void ParallelRunnerFlushTestThreadSleep()
{
using (TaskExecutor runner = new TaskExecutor())
{
int i = 0;
foreach (var n in Enumerable.Range(0, 10))
{
runner.AddTask(() =>
{
if (n % 2 == 0)
{
Thread.Sleep(100);
}
Interlocked.Increment(ref i);
});
}
(i <= 10).Should().BeTrue();
runner.FlushTasks();
i.Should().Be(10);
runner.Finish();
i.Should().Be(10);
}
}
public void ParallelRunnerFlushTestAutoThreads()
{
using (TaskExecutor runner = new TaskExecutor())
{
int i = 0;
const int count = 10;
foreach (var n in Enumerable.Range(0, count))
{
runner.AddTask(() =>
{
if (n % 2 == 0)
{
Thread.SpinWait(int.MaxValue / 200);
}
Interlocked.Increment(ref i);
});
}
(i <= count).Should().BeTrue();
runner.FlushTasks();
i.Should().Be(count);
runner.Finish();
i.Should().Be(count);
}
}
