benchmark_test.go

package jsony_test

import (
	"encoding/json"
	"testing"

	"github.com/orsinium-labs/jsony"
)

// A black box to ensure that the compiler does not optimize away benchmarked code.
//
//go:noinline
func box[T any](v T) T {
	return v
}

func BenchmarkInt_Jsony(b *testing.B) {
	v := box(3)
	for i := 0; i < b.N; i++ {
		box(jsony.EncodeBytes(jsony.Int(v)))
	}
}

func BenchmarkInt_Stdlib(b *testing.B) {
	v := box(3)
	for i := 0; i < b.N; i++ {
		b, _ := json.Marshal(v)
		box(b)
	}
}

func BenchmarkFloat64_Jsony(b *testing.B) {
	v := box(3.14)
	for i := 0; i < b.N; i++ {
		box(jsony.EncodeBytes(jsony.Float64(v)))
	}
}

func BenchmarkFloat64_Stdlib(b *testing.B) {
	v := box(3.14)
	for i := 0; i < b.N; i++ {
		b, _ := json.Marshal(v)
		box(b)
	}
}

func BenchmarkString_Jsony(b *testing.B) {
	v := box("johny")
	for i := 0; i < b.N; i++ {
		box(jsony.EncodeBytes(jsony.String(v)))
	}
}

func BenchmarkString_Stdlib(b *testing.B) {
	v := box("johny")
	for i := 0; i < b.N; i++ {
		b, _ := json.Marshal(v)
		box(b)
	}
}

func BenchmarkObject_Jsony(b *testing.B) {
	name := box("john")
	age := box(42)
	for i := 0; i < b.N; i++ {
		obj := jsony.Object{
			jsony.Field{"name", jsony.String(name)},
			jsony.Field{"age", jsony.Int(age)},
		}
		box(jsony.EncodeBytes(obj))
	}
}

func BenchmarkObject_Stdlib(b *testing.B) {
	name := box("john")
	age := box(42)
	type User struct {
		Name string `json:"name"`
		Age  int    `json:"age"`
	}
	for i := 0; i < b.N; i++ {
		v := User{
			Name: name,
			Age:  age,
		}
		b, _ := json.Marshal(v)
		box(b)
	}
}

func BenchmarkMap_Jsony(b *testing.B) {
	name := box("john")
	age := box(42)
	for i := 0; i < b.N; i++ {
		obj := jsony.Map{
			jsony.String("name"): jsony.String(name),
			jsony.String("age"):  jsony.Int(age),
		}
		box(jsony.EncodeBytes(obj))
	}
}

func BenchmarkMap_Stdlib(b *testing.B) {
	name := box("john")
	age := box(42)
	type User map[string]any
	for i := 0; i < b.N; i++ {
		v := User{
			"name": name,
			"age":  age,
		}
		b, _ := json.Marshal(v)
		box(b)
	}
}

func BenchmarkMixedArray_Jsony(b *testing.B) {
	name := box("john")
	age := box(42)
	for i := 0; i < b.N; i++ {
		obj := jsony.MixedArray{jsony.String(name), jsony.Int(age)}
		box(jsony.EncodeBytes(obj))
	}
}

func BenchmarkMixedArray_Stdlib(b *testing.B) {
	name := box("john")
	age := box(42)
	for i := 0; i < b.N; i++ {
		v := []any{name, age}
		b, _ := json.Marshal(v)
		box(b)
	}
}

func BenchmarkIntArray_Jsony(b *testing.B) {
	x := box(42)
	y := box(1337)
	for i := 0; i < b.N; i++ {
		obj := jsony.Array[jsony.Int]{jsony.Int(x), jsony.Int(y)}
		box(jsony.EncodeBytes(obj))
	}
}

func BenchmarkIntArray_Stdlib(b *testing.B) {
	x := box(42)
	y := box(1337)
	for i := 0; i < b.N; i++ {
		v := []int{x, y}
		b, _ := json.Marshal(v)
		box(b)
	}
}

func BenchmarkBigArray_Jsony(b *testing.B) {
	obj := box(make(jsony.Array[jsony.Int], 10_000))
	for i := 0; i < b.N; i++ {
		box(jsony.EncodeBytes(obj))
	}
}

func BenchmarkBigArray_Stdlib(b *testing.B) {
	x := box(make([]int, 10_000))
	for i := 0; i < b.N; i++ {
		b, _ := json.Marshal(x)
		box(b)
	}
}