private void ChangeStatus(AsyncLockStatus newStatus, AsyncLockStatus[] expectedPreviousStatuses)
{
var prevstatus = Interlocked.Exchange(ref _status, (int)newStatus);
if (!expectedPreviousStatuses.Contains((AsyncLockStatus)prevstatus))
{
throw new InvalidOperationException($"Previous {nameof(AsyncLock)} state was unexpected: prev:{((AsyncLockStatus)prevstatus).ToString()} now:{((AsyncLockStatus)_status).ToString()}.");
}
}
private void ChangeStatus(AsyncLockStatus newStatus, AsyncLockStatus expectedPreviousStatus)
{
ChangeStatus(newStatus, new[] { expectedPreviousStatus });
}
