append_string_test.go

package api

import (
	"testing"
)

const iteration = 2

func Benchmark_AppendString1(b *testing.B) {
	for i := 0; i < b.N; i++ {
		appendString1()
	}
}

func Benchmark_AppendString2(b *testing.B) {
	for i := 0; i < b.N; i++ {
		appendString2()
	}
}

func Benchmark_AppendString3(b *testing.B) {
	for i := 0; i < b.N; i++ {
		appendString3()
	}
}

func appendString1() {
	var list []string
	for i := 0; i < iteration; i++ {
		list = append(list, "foo")
	}
}

func appendString2() {
	list := make([]string, 0, iteration)
	for i := 0; i < iteration; i++ {
		list = append(list, "foo")
	}
}

func appendString3() {
	list := make([]string, iteration)
	for i := 0; i < iteration; i++ {
		list[i] = "foo"
	}
}