//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test @Resources.Life(STARTED) public void shouldNotEndUpInBrokenStateAfterRotationFailure() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotEndUpInBrokenStateAfterRotationFailure()
{
// GIVEN
FakeClock clock = Clocks.fakeClock();
CallTrackingClock callTrackingClock = new CallTrackingClock(clock);
CountsTracker tracker = ResourceManager.managed(NewTracker(callTrackingClock, EmptyVersionContextSupplier.EMPTY));
int labelId = 1;
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater tx = tracker.Apply(2).get())
{
tx.IncrementNodeCount(labelId, 1); // now at 1
}
// WHEN
System.Predicate <Thread> arrived = thread => stackTraceContains(thread, all(classNameContains("Rotation"), methodIs("rotate")));
Future <object> rotation = Threading.executeAndAwait(t => t.rotate(4), tracker, arrived, 1, SECONDS);
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater tx = tracker.Apply(3).get())
{
tx.IncrementNodeCount(labelId, 1); // now at 2
}
while (callTrackingClock.CallsToNanos() == 0)
{
Thread.Sleep(10);
}
clock.Forward(Config.defaults().get(GraphDatabaseSettings.counts_store_rotation_timeout).toMillis() * 2, MILLISECONDS);
try
{
rotation.get();
fail("Should've failed rotation due to timeout");
}
catch (ExecutionException e)
{
// good
assertTrue(e.InnerException is RotationTimeoutException);
}
// THEN
Org.Neo4j.Register.Register_DoubleLongRegister register = Registers.newDoubleLongRegister();
tracker.Get(CountsKeyFactory.nodeKey(labelId), register);
assertEquals(2, register.ReadSecond());
// and WHEN later attempting rotation again
using (Org.Neo4j.Kernel.Impl.Api.CountsAccessor_Updater tx = tracker.Apply(4).get())
{
tx.IncrementNodeCount(labelId, 1); // now at 3
}
tracker.Rotate(4);
// THEN
tracker.Get(CountsKeyFactory.nodeKey(labelId), register);
assertEquals(3, register.ReadSecond());
}
private static ThrowingFunction <CountsTracker, Void, Exception> CountStoreLookup(AtomicBoolean workerContinueFlag, AtomicLong lookups)
{
return(countsTracker =>
{
while (workerContinueFlag.get())
{
Register.DoubleLongRegister register = Registers.newDoubleLongRegister();
countsTracker.get(CountsKeyFactory.nodeKey(0), register);
lookups.incrementAndGet();
}
return null;
});
}
