1// Flags: --expose-internals 2'use strict'; 3require('../common'); 4const assert = require('assert'); 5const { getDefaultHighWaterMark } = require('internal/streams/state'); 6 7const http = require('http'); 8const OutgoingMessage = http.OutgoingMessage; 9 10const msg = new OutgoingMessage(); 11msg._implicitHeader = function() {}; 12 13// Writes should be buffered until highwatermark 14// even when no socket is assigned. 15 16assert.strictEqual(msg.write('asd'), true); 17while (msg.write('asd')); 18const highwatermark = msg.writableHighWaterMark || getDefaultHighWaterMark(); 19assert(msg.outputSize >= highwatermark); 20