1// Copyright Joyent, Inc. and other Node contributors. 2// 3// Permission is hereby granted, free of charge, to any person obtaining a 4// copy of this software and associated documentation files (the 5// "Software"), to deal in the Software without restriction, including 6// without limitation the rights to use, copy, modify, merge, publish, 7// distribute, sublicense, and/or sell copies of the Software, and to permit 8// persons to whom the Software is furnished to do so, subject to the 9// following conditions: 10// 11// The above copyright notice and this permission notice shall be included 12// in all copies or substantial portions of the Software. 13// 14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 16// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 17// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 18// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20// USE OR OTHER DEALINGS IN THE SOFTWARE. 21 22'use strict'; 23require('../common'); 24const stream = require('stream'); 25const assert = require('assert'); 26 27function Writable() { 28 this.writable = true; 29 stream.Stream.call(this); 30} 31Object.setPrototypeOf(Writable.prototype, stream.Stream.prototype); 32Object.setPrototypeOf(Writable, stream.Stream); 33 34function Readable() { 35 this.readable = true; 36 stream.Stream.call(this); 37} 38Object.setPrototypeOf(Readable.prototype, stream.Stream.prototype); 39Object.setPrototypeOf(Readable, stream.Stream); 40 41let passed = false; 42 43const w = new Writable(); 44w.on('pipe', function(src) { 45 passed = true; 46}); 47 48const r = new Readable(); 49r.pipe(w); 50 51assert.ok(passed); 52