public void TestOceOnTerminatedLifetime()
{
var n = 100_000_000L;
long expected = n * (n - 1) / 2;
bool flag = false;
var lazy = new ProactiveLazy <long>(Lifetime.Eternal, () =>
{
SpinWaitEx.SpinUntil(() => flag);
return(42);
});
try
{
//canceled before wait started
Assert.That(() => lazy.GetOrWait(Lifetime.Terminated), Throws.InstanceOf <OperationCanceledException>());
//canceled after wait started
var ld = new LifetimeDefinition();
ThreadPool.QueueUserWorkItem(_ =>
{
Thread.Sleep(100);
ld.Terminate();
});
Assert.That(() => lazy.GetOrWait(Lifetime.Terminated), Throws.InstanceOf <OperationCanceledException>());
}
finally
{
flag = true;
}
}
public void TestSync()
{
var n = 100_000_000L;
long expected = n * (n - 1) / 2;
var lazy = new ProactiveLazy <long>(Lifetime.Eternal, () =>
{
long res = 0;
for (int i = 0; i < n; i++)
{
res += i;
}
return(res);
});
Assert.AreEqual(expected, lazy.GetOrWait());
}