#!/bin/bash# Ensure that an invalid domain ID isn't interpreted as a valid one.# Before, an ID of 2^32+2 would be treated just like an ID of 2.# Boilerplate code to set up a test directory, cd into it,# and to ensure we remove it upon completion.this_test_(){echo"./$0" | sed's,.*/,,';}t_=$(this_test_)-$$init_cwd_=$(pwd)trap'st=$?; d='"$t_"'; cd '"$init_cwd_"' && chmod -R u+rwx "$d" && rm -rf "$d" && exit $st' 0trap'(exit $?); exit $?' 1 2 13 15mkdir"$t_"||fail=1cd"$t_"||fail=1echo"error: failed to get domain '4294967298'"> exp ||fail=1