| // Copyright Joyent, Inc. and other Node contributors. |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining a |
| // copy of this software and associated documentation files (the |
| // "Software"), to deal in the Software without restriction, including |
| // without limitation the rights to use, copy, modify, merge, publish, |
| // distribute, sublicense, and/or sell copies of the Software, and to permit |
| // persons to whom the Software is furnished to do so, subject to the |
| // following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included |
| // in all copies or substantial portions of the Software. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN |
| // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
| // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| // USE OR OTHER DEALINGS IN THE SOFTWARE. |
| |
| var common = require('../common'); |
| var assert = require('assert'); |
| |
| var Readable = require('_stream_readable'); |
| var Writable = require('_stream_writable'); |
| var util = require('util'); |
| |
| util.inherits(TestReadable, Readable); |
| function TestReadable(opt) { |
| if (!(this instanceof TestReadable)) |
| return new TestReadable(opt); |
| Readable.call(this, opt); |
| this._ended = false; |
| } |
| |
| TestReadable.prototype._read = function(n) { |
| if (this._ended) |
| this.emit('error', new Error('_read called twice')); |
| this._ended = true; |
| this.push(null); |
| }; |
| |
| util.inherits(TestWritable, Writable); |
| function TestWritable(opt) { |
| if (!(this instanceof TestWritable)) |
| return new TestWritable(opt); |
| Writable.call(this, opt); |
| this._written = []; |
| } |
| |
| TestWritable.prototype._write = function(chunk, encoding, cb) { |
| this._written.push(chunk); |
| cb(); |
| }; |
| |
| // this one should not emit 'end' until we read() from it later. |
| var ender = new TestReadable(); |
| var enderEnded = false; |
| |
| // what happens when you pipe() a Readable that's already ended? |
| var piper = new TestReadable(); |
| // pushes EOF null, and length=0, so this will trigger 'end' |
| piper.read(); |
| |
| setTimeout(function() { |
| ender.on('end', function() { |
| enderEnded = true; |
| }); |
| assert(!enderEnded); |
| var c = ender.read(); |
| assert.equal(c, null); |
| |
| var w = new TestWritable(); |
| var writableFinished = false; |
| w.on('finish', function() { |
| writableFinished = true; |
| }); |
| piper.pipe(w); |
| |
| process.on('exit', function() { |
| assert(enderEnded); |
| assert(writableFinished); |
| console.log('ok'); |
| }); |
| }); |