public void TryGetOrCreatePointAsync()
{
int factoryCallsCount = 0;
DateTimeOffset baseTS = DateTimeOffset.Now;
var cube = new MultidimensionalCube <string, int>(
(vector) =>
{
Interlocked.Increment(ref factoryCallsCount);
long delayMillis = Int32.Parse(vector[1]);
long passed = (long)(DateTimeOffset.Now - baseTS).TotalMilliseconds;
//Trace.WriteLine(passed);
if (passed < delayMillis)
{
throw new ApplicationException($"delayMillis was {delayMillis}, but only {passed} millis passed.");
}
//else
//{
// throw new InvalidOperationException($"Test issue: Bad timing. delayMillis was {delayMillis}, but {passed} millis passed.");
//}
return(Int32.Parse(vector[0]));
},
10000, 10000, 10000);
MultidimensionalPointResult <int> result;
// Warmup:
try
{
baseTS = DateTimeOffset.Now;
result = cube.TryGetOrCreatePointAsync(
TimeSpan.FromMilliseconds(2),
TimeSpan.FromMilliseconds(7),
CancellationToken.None,
"7", "50000", "foo")
.GetAwaiter().GetResult();
Assert.Fail("An ApplicationException was expected to escape.");
}
catch (ApplicationException)
{
}
// Now we expect the timing to appox work:
try
{
//Trace.WriteLine("--------");
factoryCallsCount = 0;
baseTS = DateTimeOffset.Now;
result = cube.TryGetOrCreatePointAsync(
TimeSpan.FromMilliseconds(2),
TimeSpan.FromMilliseconds(7),
CancellationToken.None,
"7", "500", "foo")
.GetAwaiter().GetResult();
Assert.Fail("An ApplicationException was expected to escape.");
}
catch (ApplicationException)
{
}
Assert.AreEqual(3, factoryCallsCount, "Timing dependent. Might sometimes fail.");
//Trace.WriteLine("--------");
factoryCallsCount = 0;
baseTS = DateTimeOffset.Now;
result = cube.TryGetOrCreatePointAsync(
TimeSpan.FromMilliseconds(100),
TimeSpan.FromMilliseconds(1000),
CancellationToken.None,
"7", "500", "foo")
.GetAwaiter().GetResult();
Assert.AreEqual(7, factoryCallsCount, "Timing dependent. Might sometimes fail.");
}
