public void RegisterMachineTransitionTests()
{
var clusterState = new ClusterStateMachine();
var nowUtc = _clock.UtcNow;
// During transition, all machines will be added forcefully without regard for the consistency of the data
// structure
clusterState = clusterState.ForceRegisterMachine(new MachineId(3), MachineLocation.Create("A", 0), nowUtc);
clusterState.NextMachineId.Should().Be(4);
clusterState = clusterState.ForceRegisterMachine(new MachineId(8), MachineLocation.Create("B", 0), nowUtc);
clusterState.NextMachineId.Should().Be(9);
clusterState = clusterState.ForceRegisterMachine(new MachineId(16), MachineLocation.Create("C", 0), nowUtc);
clusterState.NextMachineId.Should().Be(17);
clusterState = clusterState.ForceRegisterMachine(new MachineId(20), MachineLocation.Create("D", 0), nowUtc);
clusterState.NextMachineId.Should().Be(21);
clusterState = clusterState.ForceRegisterMachine(new MachineId(23), MachineLocation.Create("D", 0), nowUtc);
clusterState.NextMachineId.Should().Be(24);
// After transition, adding proceeds as usual, by appending to the end basically
MachineId n1Id;
(clusterState, n1Id) = clusterState.RegisterMachine(MachineLocation.Create("Machine Gets Added After Transition", 0), nowUtc);
n1Id.Index.Should().Be(24);
clusterState.NextMachineId.Should().Be(25);
}