package ipc

import (
	"reflect"
	"testing"

	_ "veyron/lib/testutil"

	"veyron2/security"
	"veyron2/verror"
)

func makeResultPtrs(ins []interface{}) []interface{} {
	outs := make([]interface{}, len(ins))
	for ix, in := range ins {
		typ := reflect.TypeOf(in)
		if typ == nil {
			// nil interfaces can only imply an error.
			// This is in sync with result2vom in server.go.  The
			// reasons for this check and conditions for when it
			// can be removed can be seen in the comments for
			// result2vom.
			var verr verror.E
			typ = reflect.ValueOf(&verr).Elem().Type()
		}
		outs[ix] = reflect.New(typ).Interface()
	}
	return outs
}

func checkResultPtrs(t *testing.T, name string, gotptrs, want []interface{}) {
	for ix, res := range gotptrs {
		got := reflect.ValueOf(res).Elem().Interface()
		want := want[ix]
		if !reflect.DeepEqual(got, want) {
			t.Errorf("%s result %d got %v, want %v", name, ix, got, want)
		}
	}
}

// listenerIDOpt implements vc.ListenerIDOpt and veyron2/ipc.ServerOpt.
type listenerIDOpt struct {
	id security.PrivateID
}

func (opt *listenerIDOpt) Identity() security.PrivateID {
	return opt.id
}

func (*listenerIDOpt) IPCStreamListenerOpt() {}

func (*listenerIDOpt) IPCServerOpt() {}

func listenerID(id security.PrivateID) *listenerIDOpt {
	return &listenerIDOpt{id}
}