// We don't need to wait for fp.wg, as pollImmediate shouldn't call waitFunc at all.
	used := atomic.LoadInt32(&fp.used)
	if used != 0 {
		t.Errorf("Expected exactly zero ticks, got %d", used)
	}
}

func TestPollForever(t *testing.T) {
	ch := make(chan struct{})
	errc := make(chan error, 1)
	done := make(chan struct{}, 1)
	complete := make(chan struct{})
	go func() {
		f := ConditionFunc(func() (bool, error) {