// check that premature wait finishes on time but does not throw with false and later wait throws.
public void ErrorHandlingTimedMethodWithError()
{
var grainFullName = typeof(ErrorGrain).FullName;
IErrorGrain grain = GrainClient.GrainFactory.GetGrain <IErrorGrain>(GetRandomGrainId(), grainFullName);
Task promise = grain.LongMethodWithError(2000);
// there is a race in the test here. If run in debugger, the invocation can actually finish OK
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
Assert.False(promise.Wait(1000), "The task shouldn't have completed yet.");
stopwatch.Stop();
Assert.True(stopwatch.ElapsedMilliseconds >= 900, "Waited less than 900ms"); // check that we waited at least 0.9 second
Assert.True(stopwatch.ElapsedMilliseconds <= 1100, "Waited longer than 1100ms");
try
{
promise.Wait();
Assert.True(false, "Should have thrown");
}
catch (Exception)
{
}
Assert.True(promise.Status == TaskStatus.Faulted);
}
// check that premature wait finishes on time but does not throw with false and later wait throws.
public void ErrorHandlingTimedMethodWithError()
{
var grainFullName = typeof(ErrorGrain).FullName;
IErrorGrain grain = this.GrainFactory.GetGrain <IErrorGrain>(GetRandomGrainId(), grainFullName);
Task promise = grain.LongMethodWithError(2000);
// there is a race in the test here. If run in debugger, the invocation can actually finish OK
Stopwatch stopwatch = Stopwatch.StartNew();
Assert.False(promise.Wait(1000), "The task shouldn't have completed yet.");
stopwatch.Stop();
Assert.True(stopwatch.ElapsedMilliseconds >= 900, $"Waited less than 900ms: ({stopwatch.ElapsedMilliseconds}ms)"); // check that we waited at least 0.9 second
Assert.True(stopwatch.ElapsedMilliseconds <= 1300, $"Waited longer than 1300ms: ({stopwatch.ElapsedMilliseconds}ms)");
Assert.ThrowsAsync <Exception>(() => promise).Wait();
Assert.True(promise.Status == TaskStatus.Faulted);
}