}
	debugln := func(args ...interface{}) {
		if debug {
			fmt.Println(args...)
		}
	}
	// Inject random reader/writer sleeps.
	const maxSleep = int(1 * time.Millisecond)
	doSleep := !testing.Short()
	rb := New(4 << 10).SetBlocking(true)

	// Reader
	var readErr error
	var wg sync.WaitGroup
	wg.Add(1)
	go func() {
		readRng := rand.New(rand.NewSource(1))
		defer wg.Done()

	EvGoStop:            {"GoStop", 5, true, []string{}, nil},
	EvGoSched:           {"GoSched", 5, true, []string{}, nil},
	EvGoPreempt:         {"GoPreempt", 5, true, []string{}, nil},
	EvGoSleep:           {"GoSleep", 5, true, []string{}, nil},
	EvGoBlock:           {"GoBlock", 5, true, []string{}, nil},
	EvGoUnblock:         {"GoUnblock", 5, true, []string{"g", "seq"}, nil}, // in 1.5 format it was {"g"}