// Flags: --expose-internals 'use strict'; const common = require('../common'); const { strictEqual } = require('assert'); const { NghttpError } = require('internal/http2/util'); common.expectsError(() => { const err = new NghttpError(-501); strictEqual(err.errno, -501); throw err; }, { code: 'ERR_HTTP2_ERROR', type: NghttpError, message: 'Invalid argument' });