package helpers

import (
	"fmt"
	"net"
)

func IsFreePort(port int) bool {
	addr, err := net.ResolveTCPAddr("tcp", fmt.Sprintf("localhost:%d", port))
	if err != nil {
		return false
	}

	l, err := net.ListenTCP("tcp", addr)
	if err != nil {
		return false
	}
	defer l.Close()
	return true
}