# File lib/puppet/external/event-loop/signal-system.rb, line 206
206:     def test_multiple_on_foo
207:       moomin = 0
208:       @x.on_foo { moomin += 1 }
209:       @x.on_foo { moomin += 2 }
210:       @x.on_foo { moomin += 4 }
211:       @x.on_foo { moomin += 8 }
212:       @x.signal :foo
213:       assert moomin == 15
214:     end