Test if celluloid actor is properly GCed once terminated

actor-gc.rb

#!/usr/bin/env ruby

require 'celluloid'
require 'weakref'

class Test
  begin
    include Celluloid
    finalizer :shutdown
  rescue
  end

  def initialize
    ObjectSpace.define_finalizer(self, self.class.finalize)
  end

  def self.finalize
    proc { p "finilize" }
  end

  def shutdown
    p "shutdown"
  end

  def terminate
    p "stub if celluloid is not includeed"
  end
end

test = Test.new
test.terminate
weak = WeakRef.new test
test = nil

loop do
  GC.start(full_mark: true, immediate_sweep: true)
  break unless weak.weakref_alive?
  sleep 1
end