'use strict'; const common = require('../common'); const assert = require('assert'); const http = require('http'); const server = http.createServer((req, res) => { assert.doesNotThrow(() => { res.removeHeader('header1', 1); }); res.write('abc'); common.expectsError( () => res.removeHeader('header2', 2), { code: 'ERR_HTTP_HEADERS_SENT', type: Error, message: 'Cannot remove headers after they are sent to the client' } ); res.end(); }); server.listen(0, () => { http.get({ port: server.address().port }, () => { server.close(); }); });