public void RepeatingWithExceptionsGood() {
var bkg = new BackgroundRepeater(SometimesException) {
Cooldown = TimeSpan.FromMilliseconds(1D),
IsCatchExceptions = true,
};
_counter = 0;
Console.WriteLine(_counter);
bkg.Start();
SpinWait.SpinUntil(() => _counter > 100);
bkg.Stop();
Console.WriteLine(_counter);
var c = _counter;
Thread.Sleep(500);
if (_counter > c)
Assert.Fail("repeating not stopped");
if (4 > c)
Assert.Fail("where all repeating?");
Console.WriteLine(_counter);
Assert.IsFalse(bkg.IsStarted());
}
public void MultipleStart() {
var bkg = new BackgroundRepeater(SingleMethod);
bkg.Start();
bkg.Start();
bkg.Start();
bkg.Start();
Assert.IsTrue(bkg.IsStarted());
bkg.Stop();
bkg.Stop();
bkg.Stop();
Assert.IsFalse(bkg.IsStarted());
bkg.Start();
Assert.IsTrue(bkg.IsStarted());
bkg.Stop();
Assert.IsFalse(bkg.IsStarted());
bkg.Stop();
Assert.IsFalse(bkg.IsStarted());
bkg.Start();
bkg.Start();
bkg.Stop();
bkg.Stop();
Assert.IsFalse(bkg.IsStarted());
}
public void SelfCancel() {
var bkg = new BackgroundRepeater(t => {throw new OperationCanceledException();}) {
Cooldown = TimeSpan.FromMilliseconds(1D),
IsCatchExceptions = false,
};
bkg.Start();
Thread.Sleep(TimeSpan.FromSeconds(.5D));
Assert.IsFalse(bkg.IsStarted());
}
public void WrongArguments() {
try {
Action a = null;
var bkg = new BackgroundRepeater(a);
Console.WriteLine("Wtf??");
bkg.Start();
Console.WriteLine("Wtf??!!!");
Assert.Fail("Where ArgumentNullException?");
} catch (ArgumentNullException) {
Console.WriteLine("OK: Action == null");
}
try {
Action<CancellationToken> a = null;
var bkg = new BackgroundRepeater(a);
Console.WriteLine("Wtf?? (2)");
bkg.Start();
Console.WriteLine("Wtf??!!! (2)");
Assert.Fail("Where ArgumentNullException? (2)");
} catch (ArgumentNullException) {
Console.WriteLine("OK: Action<CancellationToken> == null");
}
}
public void RepeatingWithExceptionsFail() {
var bkg = new BackgroundRepeater(SometimesException) {
Cooldown = TimeSpan.FromMilliseconds(1D),
IsCatchExceptions = false,
};
_counter = 0;
bkg.Start();
SpinWait.SpinUntil(() => _counter == 4);
Thread.Sleep(TimeSpan.FromSeconds(1D));
Assert.IsTrue(_counter == 4);
Assert.IsFalse(bkg.IsStarted());
}