reflect_test.go

package gocostmodel

import (
	"image"
	"reflect"
	"testing"
)

type reflectStr struct {
	a1 int
}

var (
	reflectStra    = reflectStr{}
	reflectStrp    = &reflectStr{}
	reflectStrVal  = reflect.ValueOf(reflectStr{1})
	reflectStrPVal = reflect.ValueOf(&reflectStr{1})

	fld reflect.StructField
	pt  = image.Point{}
)

func BenchmarkReflFromVal(b *testing.B) {
	for i := 0; i < b.N; i++ {
		reflectStra = reflectStrVal.Interface().(reflectStr)
	}
}

func BenchmarkReflToVal(b *testing.B) {
	for i := 0; i < b.N; i++ {
		reflectStrVal = reflect.ValueOf(reflectStra)
	}
}

func BenchmarkReflPtrFromVal(b *testing.B) {
	for i := 0; i < b.N; i++ {
		reflectStrp = reflectStrPVal.Interface().(*reflectStr)
	}
}

func BenchmarkReflPtrToVal(b *testing.B) {
	for i := 0; i < b.N; i++ {
		reflectStrPVal = reflect.ValueOf(reflectStrp)
	}
}

func BenchmarkReflSmallStructFields(b *testing.B) {
	for i := 0; i < b.N; i++ {
		t := reflect.TypeOf(pt)
		n := t.NumField()
		for j := 0; j < n; j++ {
			fld = t.Field(j)
		}
	}
}

func BenchmarkReflLargeStructFields(b *testing.B) {
	for i := 0; i < b.N; i++ {
		t := reflect.TypeOf(req)
		n := t.NumField()
		for j := 0; j < n; j++ {
			fld = t.Field(j)
		}
	}
}