os.Exit(1)
}

type GoCallback struct{}

func (p *GoCallback) Run() string {
	return "GoCallback.Run"
}

func testCall() {
	c := NewCaller()
	cb := NewCallback()

	c.SetCallback(cb)
	s := c.Call()
	if s != "Callback::run" {
		fatal("unexpected string from Call: %q", s)
	}
	c.DelCallback()
}

func testCallback() {
	c := NewCaller()