public void When_EnabledTwiceByHost_Then_SubscriptionCreatedOnlyOnce()
{
int totalActivations = 0, pendingActivations = 0;
var host = new TestAutomationHost(_scheduler);
var automation = new TestAutomation(host, OnEnabled);
_scheduler.AdvanceBy(100);
Assert.AreEqual(0, totalActivations);
Assert.AreEqual(0, pendingActivations);
host.SetIsEnabled(automation, true);
_scheduler.AdvanceBy(100);
Assert.AreEqual(1, totalActivations);
Assert.AreEqual(1, pendingActivations);
host.SetIsEnabled(automation, true);
_scheduler.AdvanceBy(100);
Assert.AreEqual(1, totalActivations);
Assert.AreEqual(1, pendingActivations);
IDisposable OnEnabled()
{
Interlocked.Increment(ref totalActivations);
Interlocked.Increment(ref pendingActivations);
return(Disposable.Create(() => Interlocked.Decrement(ref pendingActivations)));
}
}
public void When_Enable_Then_AsyncContextIsSet()
{
var ctx = default(AsyncContext);
var ctxScheduler = default(IScheduler);
var host = new TestAutomationHost(_scheduler);
var automation = new TestAutomation(host, OnEnabled);
_scheduler.AdvanceBy(100);
host.SetIsEnabled(automation, true);
_scheduler.AdvanceBy(100);
Assert.IsNotNull(ctx);
Assert.IsNotNull(ctxScheduler);
Assert.AreEqual(_scheduler, ctxScheduler);
IDisposable OnEnabled()
{
ctx = AsyncContext.Current;
ctxScheduler = AsyncContext.Current?.Scheduler;
return(Disposable.Empty);
}
}