'use strict'; // This tests that using falsy values in createHook throws an error. const common = require('../common'); const async_hooks = require('async_hooks'); for (const badArg of [0, 1, false, true, null, 'hello']) { const hookNames = ['init', 'before', 'after', 'destroy', 'promiseResolve']; for (const field of hookNames) { common.expectsError(() => { async_hooks.createHook({ [field]: badArg }); }, { code: 'ERR_ASYNC_CALLBACK', type: TypeError, }); } }