Ticket #33: test_handles_uncaught_exception.rb

# this error occurs when you have several sockets, like 3
# they are all 'closed' but their descriptors are in the middle of being collected
# THEN the program terminates, which causes the EM thread to jump to its finalizer.

$:.unshift "../lib"
require 'eventmachine'
require 'test/unit'

a = TCPServer.new('localhost', 6000)
Thread.new { a.accept }

module SlowClosers
  @@total_closed = 0

  def post_init
    @@total_closed += 1
    raise LocalJumpError.new() if @@total_closed == 2
  end

  def unbind
    @@total_closed += 1
    raise LocalJumpError.new() if @@total_closed == 2
  end

end

class DeathEnd < Test::Unit::TestCase

   def setup
        SlowClosers.class_eval("@@total_closed = 0")
   end

   def test_ends_well_multi_thread # note that ideally it should try it with kqueue, epoll, and normal.  I'm not sure if all the tests should just be re-run with those settings or what
      begin
      passed = false
        EM::run {
            print "here3\n"
                3.times {EM::connect '127.0.0.1', 6000, SlowClosers}
                print "here5\n"
        }
      rescue LocalJumpError
        # we should get here--if it errs it will err with a 'HARD' c-style error
        print "here2\n"
        passed = true
      end
        print "here\n"
      flunk unless passed
   end

   # another test with possibility would be one that encourage the ConnectionUnbound caused if they
   # do a connection or add_timer or start_server from another thread.  Not sure if we want to care about that one [though we should, really].  

end