public void TestContinuationTasks_DoNotCauseDeadlocks()
{
var dummyCommand = new DummyCommand(new HystrixCommandOptions()
{
GroupKey = HystrixCommandGroupKeyDefault.AsKey("foobar")
});
var options = new HystrixThreadPoolOptions()
{
CoreSize = 2,
MaxQueueSize = 2,
QueueSizeRejectionThreshold = 2,
AllowMaximumSizeToDivergeFromCoreSize = false,
};
// Scheduler to test
var scheduler = new HystrixQueuedTaskScheduler(options);
TaskActionClass tc1 = new TaskActionClass(output, 1);
TaskActionClass tc2 = new TaskActionClass(output, 2);
TaskActionClass tc3 = new TaskActionClass(output, 3);
TaskActionClass tc4 = new TaskActionClass(output, 4);
Task <int> t1 = new Task <int>((o) => tc1.Run(o), dummyCommand, CancellationToken.None, TaskCreationOptions.LongRunning);
Task <int> t2 = new Task <int>((o) => tc2.Run(o), dummyCommand, CancellationToken.None, TaskCreationOptions.LongRunning);
Task <int> t3 = new Task <int>((o) => tc3.Run(o), dummyCommand, CancellationToken.None, TaskCreationOptions.LongRunning);
Task <int> t4 = new Task <int>((o) => tc4.Run(o), dummyCommand, CancellationToken.None, TaskCreationOptions.LongRunning);
// Fill up to CoreSize
t1.Start(scheduler);
t2.Start(scheduler);
// Make sure they are running
Thread.Sleep(500);
// Fill up queue
t3.Start(scheduler);
t4.Start(scheduler);
// Allow all tasks to finish and cause continuation tasks to be queued
tc1.Stop = true;
tc2.Stop = true;
tc3.Stop = true;
tc4.Stop = true;
Thread.Sleep(1000);
Assert.True(t1.IsCompleted);
Assert.Equal(1, t1.Result);
Assert.True(t2.IsCompleted);
Assert.Equal(2, t2.Result);
Assert.True(t3.IsCompleted);
Assert.Equal(3, t3.Result);
Assert.True(t4.IsCompleted);
Assert.Equal(4, t4.Result);
}
public void TestContinuationTasks_DoNotCauseDeadlocks()
{
var dummyCommand = new DummyCommand(new HystrixCommandOptions()
{
GroupKey = HystrixCommandGroupKeyDefault.AsKey("foobar")
});
var options = new HystrixThreadPoolOptions()
{
CoreSize = 2,
};
// Scheduler to test
var scheduler = new HystrixSyncTaskScheduler(options);
TaskActionClass tc1 = new TaskActionClass(output, 1);
TaskActionClass tc2 = new TaskActionClass(output, 2);
Task <int> t1 = new Task <int>((o) => tc1.Run(o), dummyCommand, CancellationToken.None, TaskCreationOptions.LongRunning);
Task <int> t2 = new Task <int>((o) => tc2.Run(o), dummyCommand, CancellationToken.None, TaskCreationOptions.LongRunning);
// Fill up to CoreSize
t1.Start(scheduler);
t2.Start(scheduler);
// Make sure they are running
Thread.Sleep(500);
// Allow t1 task to finish and cause continuation task to be queued
tc1.Stop = true;
Thread.Sleep(1000);
Assert.True(t1.IsCompleted);
Assert.Equal(1, t1.Result);
tc2.Stop = true;
Thread.Sleep(1000);
Assert.True(t2.IsCompleted);
Assert.Equal(2, t2.Result);
}
