| // 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.js'); |
| var assert = require('assert'); |
| var stream = require('stream'); |
| |
| var chunk = new Buffer('hallo'); |
| |
| var util = require('util'); |
| |
| function TestWriter() { |
| stream.Writable.call(this); |
| } |
| util.inherits(TestWriter, stream.Writable); |
| |
| TestWriter.prototype._write = function(buffer, encoding, callback) { |
| callback(null); |
| }; |
| |
| var dest = new TestWriter(); |
| |
| // Set this high so that we'd trigger a nextTick warning |
| // and/or RangeError if we do maybeReadMore wrong. |
| function TestReader() { |
| stream.Readable.call(this, { highWaterMark: 0x10000 }); |
| } |
| util.inherits(TestReader, stream.Readable); |
| |
| TestReader.prototype._read = function(size) { |
| this.push(chunk); |
| }; |
| |
| var src = new TestReader(); |
| |
| for (var i = 0; i < 10; i++) { |
| src.pipe(dest); |
| src.unpipe(dest); |
| } |
| |
| assert.equal(src.listeners('end').length, 0); |
| assert.equal(src.listeners('readable').length, 0); |
| |
| assert.equal(dest.listeners('unpipe').length, 0); |
| assert.equal(dest.listeners('drain').length, 0); |
| assert.equal(dest.listeners('error').length, 0); |
| assert.equal(dest.listeners('close').length, 0); |
| assert.equal(dest.listeners('finish').length, 0); |
| |
| console.error(src._readableState); |
| process.on('exit', function() { |
| assert(src._readableState.length >= src._readableState.highWaterMark); |
| src._readableState.buffer.length = 0; |
| console.error(src._readableState); |
| }); |