package main

import (
	"strings"
	"testing"
)

func TestUserdataMountDataContainsOnlyExt4Options(t *testing.T) {
	for _, option := range strings.Split(userdataMountData, ",") {
		switch option {
		case "rw", "ro", "noatime", "nodev", "nosuid", "noexec":
			t.Fatalf("generic mount option %q must be represented by mount flags", option)
		}
	}
	if userdataMountData != "errors=remount-ro" {
		t.Fatalf("userdata mount data = %q, want ext4 error policy only", userdataMountData)
	}
}