public void BlockQueueUntilBelowBoundedCapacity()
{
var monitor = new FakeMonitor();
var threadPool = new FakeThreadPool();
var blocked = new ManualResetEvent(false);
var released = new ManualResetEvent(false);
var taskScheduler = new PartitionedTaskScheduler(_ => 0, 1, 1, threadPool, monitor);
monitor.BeforeWait = () => blocked.Set();
monitor.AfterPulse = () => released.Set();
Task.Factory.StartNew(() =>
{
// Schedule first task (non-blocking).
Task.Factory.StartNew(() => { }, CancellationToken.None, TaskCreationOptions.AttachedToParent, taskScheduler);
// Schedule second task (blocking).
Task.Factory.StartNew(() => { }, CancellationToken.None, TaskCreationOptions.AttachedToParent, taskScheduler);
});
// Wait for second task to be blocked.
Assert.True(blocked.WaitOne(TimeSpan.FromMilliseconds(100)));
Assert.Equal(1, threadPool.UserWorkItems.Count);
threadPool.RunNext();
// Wait for second task to be released.
Assert.True(released.WaitOne(TimeSpan.FromMilliseconds(100)));
threadPool.RunNext();
Assert.Equal(0, taskScheduler.ScheduledTasks.Count());
}
public void AllowsInlineExecutionAfterBeingQueued()
{
var executions = 0;
var monitor = new FakeMonitor();
var threadPool = new FakeThreadPool();
var taskScheduler = new BlockingThreadPoolTaskScheduler(1, threadPool, monitor);
Task.Factory.StartNew(() => { executions++; }, CancellationToken.None, TaskCreationOptions.AttachedToParent, taskScheduler);
threadPool.RunNext(2);
Assert.Equal(1, executions);
Assert.Equal(0, taskScheduler.ScheduledTasks.Count());
}
public void AllowsInlineExecutionAfterBeingQueued()
{
var executions = 0;
var monitor = new FakeMonitor();
var threadPool = new FakeThreadPool();
var taskScheduler = new BlockingThreadPoolTaskScheduler(1, threadPool, monitor);
Task.Factory.StartNew(() => { executions++; }, CancellationToken.None, TaskCreationOptions.AttachedToParent, taskScheduler);
threadPool.RunNext(2);
Assert.Equal(1, executions);
Assert.Equal(0, taskScheduler.ScheduledTasks.Count());
}
public void BlockQueueUntilBelowBoundedCapacity()
{
var monitor = new FakeMonitor();
var threadPool = new FakeThreadPool();
var blocked = new ManualResetEvent(false);
var released = new ManualResetEvent(false);
var taskScheduler = new BlockingThreadPoolTaskScheduler(1, threadPool, monitor);
monitor.BeforeWait = () => blocked.Set();
monitor.AfterPulse = () => released.Set();
Task.Factory.StartNew(() =>
{
// Schedule first task (non-blocking).
Task.Factory.StartNew(() => { }, CancellationToken.None, TaskCreationOptions.AttachedToParent, taskScheduler);
// Schedule second task (blocking).
Task.Factory.StartNew(() => { }, CancellationToken.None, TaskCreationOptions.AttachedToParent, taskScheduler);
});
// Wait for second task to be blocked.
Assert.True(blocked.WaitOne(TimeSpan.FromMilliseconds(100)));
Assert.Equal(1, threadPool.UserWorkItems.Count);
threadPool.RunNext();
// Wait for second task to be released.
Assert.True(released.WaitOne(TimeSpan.FromMilliseconds(100)));
threadPool.RunNext();
Assert.Equal(0, taskScheduler.ScheduledTasks.Count());
}