test/parallel/test-async-wrap-constructor.js


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'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,
    });
  }
}