// +build ignore

package main

import (
	"archive/zip"
	"bytes"
	"io/ioutil"
	"log"
	"os"
)

func failOnError(e error) {
	if e != nil {
		log.Panic(e)
	}
}

func main() {
	f, err := os.Open("core.zip")
	failOnError(err)
	defer f.Close()
	buffer, err := ioutil.ReadAll(f)
	failOnError(err)
	_, err = zip.NewReader(bytes.NewReader(buffer), int64(len(buffer)))
	failOnError(err)
}