'use strict'; const common = require('../common'); const async_hooks = require('async_hooks'); const fs = require('fs'); const nestedHook = async_hooks.createHook({ init: common.mustNotCall() }); let nestedCall = false; async_hooks.createHook({ init: common.mustCall(() => { nestedHook.enable(); if (!nestedCall) { nestedCall = true; fs.access(__filename, common.mustCall()); } }, 2) }).enable(); fs.access(__filename, common.mustCall());