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 R = require('_stream_readable'); 25const W = require('_stream_writable'); 26const assert = require('assert'); 27 28const src = new R({ encoding: 'base64' }); 29const dst = new W(); 30let hasRead = false; 31const accum = []; 32 33src._read = function(n) { 34 if (!hasRead) { 35 hasRead = true; 36 process.nextTick(function() { 37 src.push(Buffer.from('1')); 38 src.push(null); 39 }); 40 } 41}; 42 43dst._write = function(chunk, enc, cb) { 44 accum.push(chunk); 45 cb(); 46}; 47 48src.on('end', function() { 49 assert.strictEqual(String(Buffer.concat(accum)), 'MQ=='); 50 clearTimeout(timeout); 51}); 52 53src.pipe(dst); 54 55const timeout = setTimeout(function() { 56 assert.fail('timed out waiting for _write'); 57}, 100); 58