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mimol91/pointer_test.go

Forked from teivah/pointer_test.go
Created November 30, 2019 19:48
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pointer_test.go
package main
import (
"encoding/json"
"testing"
)
type foo struct {
ID string `json:"_id"`
Index int `json:"index"`
GUID string `json:"guid"`
IsActive bool `json:"isActive"`
Balance string `json:"balance"`
Picture string `json:"picture"`
Age int `json:"age"`
EyeColor string `json:"eyeColor"`
Name string `json:"name"`
Gender string `json:"gender"`
Company string `json:"company"`
Email string `json:"email"`
Phone string `json:"phone"`
Address string `json:"address"`
About string `json:"about"`
Registered string `json:"registered"`
Latitude float64 `json:"latitude"`
Longitude float64 `json:"longitude"`
Greeting string `json:"greeting"`
FavoriteFruit string `json:"favoriteFruit"`
}
type bar struct {
ID string
Index int
GUID string
IsActive bool
Balance string
Picture string
Age int
EyeColor string
Name string
Gender string
Company string
Email string
Phone string
Address string
About string
Registered string
Latitude float64
Longitude float64
Greeting string
FavoriteFruit string
}
var input foo
func init() {
err := json.Unmarshal([]byte(`{
"_id": "5d2f4fcf76c35513af00d47e",
"index": 1,
"guid": "ed687a14-590b-4d81-b0cb-ddaa857874ee",
"isActive": true,
"balance": "$3,837.19",
"picture": "http://placehold.it/32x32",
"age": 28,
"eyeColor": "green",
"name": "Rochelle Espinoza",
"gender": "female",
"company": "PARLEYNET",
"email": "rochelleespinoza@parleynet.com",
"phone": "+1 (969) 445-3766",
"address": "956 Little Street, Jugtown, District Of Columbia, 6396",
"about": "Excepteur exercitation labore ut cupidatat laboris mollit ad qui minim aliquip nostrud anim adipisicing est. Nisi sunt duis occaecat aliquip est irure Lorem irure nulla tempor sit sunt. Eiusmod laboris ex est velit minim ut cillum sunt laborum labore ad sunt.\r\n",
"registered": "2016-03-20T12:07:25 -00:00",
"latitude": 61.471517,
"longitude": 54.01596,
"greeting": "Hello, Rochelle Espinoza!You have 9 unread messages.",
"favoriteFruit": "banana"
}`), &input)
if err != nil {
panic(err)
}
}
func byPointer(in *foo) *bar {
return &bar{
ID: in.ID,
Address: in.Address,
Email: in.Email,
Index: in.Index,
Name: in.Name,
About: in.About,
Age: in.Age,
Balance: in.Balance,
Company: in.Company,
EyeColor: in.EyeColor,
FavoriteFruit: in.FavoriteFruit,
Gender: in.Gender,
Greeting: in.Greeting,
GUID: in.GUID,
IsActive: in.IsActive,
Latitude: in.Latitude,
Longitude: in.Longitude,
Phone: in.Phone,
Picture: in.Picture,
Registered: in.Registered,
}
}
func byValue(in foo) bar {
return bar{
ID: in.ID,
Address: in.Address,
Email: in.Email,
Index: in.Index,
Name: in.Name,
About: in.About,
Age: in.Age,
Balance: in.Balance,
Company: in.Company,
EyeColor: in.EyeColor,
FavoriteFruit: in.FavoriteFruit,
Gender: in.Gender,
Greeting: in.Greeting,
GUID: in.GUID,
IsActive: in.IsActive,
Latitude: in.Latitude,
Longitude: in.Longitude,
Phone: in.Phone,
Picture: in.Picture,
Registered: in.Registered,
}
}
var pointerResult *bar
func BenchmarkByPointer(b *testing.B) {
var r *bar
b.ResetTimer()
for i := 0; i < b.N; i++ {
r = byPointer(&input)
}
pointerResult = r
}
var valueResult bar
func BenchmarkByValue(b *testing.B) {
var r bar
b.ResetTimer()
for i := 0; i < b.N; i++ {
r = byValue(input)
}
valueResult = r
}
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