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