public void Should_stop_when_wait_first_delay()
{
var canStop = false;
var calls = 0;
TimeSpan Provider()
{
canStop = true;
return(TimeSpan.FromSeconds(100500));
}
var periodicalAction = new AsyncPeriodicalAction(
() =>
{
++calls;
throw new Exception();
},
errorHandler,
Provider,
true);
periodicalAction.Start();
var spinWait = new SpinWait();
while (!canStop)
{
spinWait.SpinOnce();
}
periodicalAction.Stop();
calls.Should().Be(0);
errors.Should().Be(0);
}
public void Should_not_stop_when_action_throws_OperationCanceledException_with_unknown_token()
{
var counter = 0;
Task Action()
{
counter++;
throw new OperationCanceledException(new CancellationToken(true));
}
var periodicalAction = new AsyncPeriodicalAction(
Action,
errorHandler,
() => TimeSpan.Zero);
periodicalAction.Start();
var spinWait = new SpinWait();
while (counter < 2)
{
spinWait.SpinOnce();
}
periodicalAction.Stop();
errors.Should().BeGreaterThan(1);
}
public void Should_not_stop_when_action_throws_exception()
{
var counter = 0;
Task Action()
{
counter++;
return(Task.FromException(new Exception()));
}
var periodicalAction = new AsyncPeriodicalAction(
Action,
errorHandler,
() => TimeSpan.Zero);
periodicalAction.Start();
var spinWait = new SpinWait();
while (counter < 2)
{
spinWait.SpinOnce();
}
periodicalAction.Stop();
errors.Should().BeGreaterThan(1);
}
public void Should_stop_when_action_throws_OperationCanceledException_with_proper_token()
{
var canStop = false;
Task Action(CancellationToken token, TimeSpan remaining)
{
canStop = true;
var actionSpinWait = new SpinWait();
while (!token.IsCancellationRequested)
{
actionSpinWait.SpinOnce();
}
token.ThrowIfCancellationRequested();
return(Task.CompletedTask);
}
var periodicalAction = new AsyncPeriodicalAction(
Action,
errorHandler,
() => TimeSpan.Zero);
periodicalAction.Start();
var spinWait = new SpinWait();
while (!canStop)
{
spinWait.SpinOnce();
}
periodicalAction.Stop();
errors.Should().Be(0);
}
public void Dispose()
{
periodicalChecker.Stop();
currentWatcher?.Dispose();
currentWatcher = null;
}
