println("expect: OK")
		CoroCgo(callerExhaust, iterCallback)
	})
	register("CoroCgoIterCallbackYield", func() {
		println("expect: OS thread locking must match")
		CoroCgo(callerExhaust, iterCallbackYield)
	})
	register("CoroCgoCallback", func() {
		println("expect: OK")
		CoroCgo(callerExhaustCallback, iterSimple)
	})
	register("CoroCgoCallbackIterNested", func() {
		println("expect: OK")