public void ActivationQueueSorting()
{
// Arrange
IServiceProvider testServiceProvider = TestSystem.BuildTestServiceProvider();
BeaconState state = TestState.PrepareTestState(testServiceProvider);
ChainConstants chainConstants = testServiceProvider.GetService <ChainConstants>();
BeaconStateAccessor beaconStateAccessor = testServiceProvider.GetService <BeaconStateAccessor>();
int mockActivations = 10;
Epoch currentEpoch = beaconStateAccessor.GetCurrentEpoch(state);
for (int index = 0; index < mockActivations; index++)
{
MockDeposit(testServiceProvider, state, index);
state.Validators[index].SetEligible(currentEpoch + Epoch.One);
}
// eligibility must be finalized
state.SetFinalizedCheckpoint(new Checkpoint(currentEpoch + new Epoch(2), Root.Zero));
// give the last priority over the others
state.Validators[mockActivations - 1].SetEligible(currentEpoch);
// make sure we are hitting the churn
int churnLimit = (int)beaconStateAccessor.GetValidatorChurnLimit(state);
mockActivations.ShouldBeGreaterThan(churnLimit);
// Act
RunProcessRegistryUpdates(testServiceProvider, state);
// Assert
//# the first got in as second
state.Validators[0].ActivationEpoch.ShouldNotBe(chainConstants.FarFutureEpoch);
//# the prioritized got in as first
state.Validators[mockActivations - 1].ActivationEpoch.ShouldNotBe(chainConstants.FarFutureEpoch);
//# the second last is at the end of the queue, and did not make the churn,
//# hence is not assigned an activation_epoch yet.
state.Validators[mockActivations - 2].ActivationEpoch.ShouldBe(chainConstants.FarFutureEpoch);
//# the one at churn_limit - 1 did not make it, it was out-prioritized
state.Validators[churnLimit - 1].ActivationEpoch.ShouldBe(chainConstants.FarFutureEpoch);
//# but the the one in front of the above did
state.Validators[churnLimit - 2].ActivationEpoch.ShouldNotBe(chainConstants.FarFutureEpoch);
}
