/*
 * Copyright 2022 CloudWeGo Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package defs

import (
	"reflect"
	"testing"
	"unsafe"

	"github.com/davecgh/go-spew/spew"
	"github.com/stretchr/testify/require"
)

type CtorTestStruct struct {
	X int
	Y int
	Z int
}

func (p *CtorTestStruct) InitDefault() {
	*p = CtorTestStruct{
		X: 1,
		Y: 2,
		Z: 3,
	}
}

func TestDefaults_Resolve(t *testing.T) {
	fp := (*CtorTestStruct).InitDefault
	fa := **(**unsafe.Pointer)(unsafe.Pointer(&fp))
	spew.Dump(fa)
	fn, err := GetDefaultInitializer(reflect.TypeOf(CtorTestStruct{}))
	require.NoError(t, err)
	spew.Dump(fn)
	require.Equal(t, fa, fn)
}
