public async Task ManyParallel()
{
var scheduler = new TestAsyncScheduler();
async Task <List <TimeSpan> > Run(TimeSpan delay, int n)
{
var l = new List <TimeSpan>();
for (int i = 0; i < n; i++)
{
await scheduler.Delay(delay, default);
l.Add(scheduler.EllapsedTime);
}
return(l);
}
var t1 = Run(20.Seconds(), 10);
var t2 = Run(20.Seconds(), 10);
scheduler.Run();
var list1 = await t1;
var list2 = await t1;
var expected = Enumerable.Range(1, 10).Select(i => (i * 20).Seconds());
list1
.Should().Equal(expected);
list2
.Should().Equal(expected);
}
public void EmptyRun()
{
var scheduler = new TestAsyncScheduler();
var t1 = scheduler.Now;
scheduler.Run();
scheduler.EllapsedTime
.Should().Be(TimeSpan.Zero);
(scheduler.Now - t1)
.Should().Be(TimeSpan.Zero);
}
public async Task OneItem(int ms)
{
var delay = TimeSpan.FromMilliseconds(ms);
var scheduler = new TestAsyncScheduler();
var t1 = scheduler.Now;
var t2 = default(DateTimeOffset);
var task = scheduler.Delay(delay, default);
var task2 = task.ContinueWith(t => t2 = scheduler.Now);
scheduler.Run();
await task2;
scheduler.EllapsedTime
.Should().Be(delay);
(t2 - t1)
.Should().Be(delay);
(scheduler.Now - t1)
.Should().Be(delay);
}