test for celluloid issue #463

futures-args-gc-463.rb

#!/usr/bin/env ruby

require 'celluloid'
require 'weakref'

class Bar
  attr_reader :bar

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

  def self.finalize(bar)
    proc { puts "finilize #{bar}" unless bar == :loop }
  end
end

class Test
  include Celluloid

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

  def self.finalize
    proc { puts 'finilize test' }
  end

  def foo(arg)
    Bar.new :gogogo
  end
end

puts 'Start'
act = Test.new
arg = Bar.new(:coucou)
weak = WeakRef.new arg
act.foo arg
# if you comment out next line the main loop(just below) won't ever
act.foo nil # need a ctx switch to ensure previous Celluloid:Call is unlinked
act.foo nil # yet another context switch as a cure for rbx
arg = nil
act.terminate
act = nil

puts 'Wait'
bars = []
loop do
  GC.start
  break unless weak.weakref_alive?

  bars << Bar.new(:loop)
end
puts 'PASS' unless weak.weakref_alive?
sleep 5