// Copyright 2009 The Go Authors. All rights reserved.
// Copyright 2012 The Gorilla Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package rpc

import (
	"net/http"
	"testing"
)

type Service1Request struct {
	A int
	B int
}

type Service1Response struct {
	Result int
}

type Service1 struct {
}

func (t *Service1) Multiply(r *http.Request, req *Service1Request, res *Service1Response) error {
	res.Result = req.A * req.B
	return nil
}

type Service2 struct {
}

func TestRegisterService(t *testing.T) {
	var err error
	s := NewServer()
	service1 := new(Service1)
	service2 := new(Service2)

	// Inferred name.
	err = s.RegisterService(service1, "")
	if err != nil || !s.HasMethod("Service1.Multiply") {
		t.Errorf("Expected to be registered: Service1.Multiply")
	}
	// Provided name.
	err = s.RegisterService(service1, "Foo")
	if err != nil || !s.HasMethod("Foo.Multiply") {
		t.Errorf("Expected to be registered: Foo.Multiply")
	}
	// No methods.
	err = s.RegisterService(service2, "")
	if err == nil {
		t.Errorf("Expected error on service2")
	}
}