| // 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 assert = require('assert'); |
| var common = require('../common.js'); |
| var Readable = require('_stream_readable'); |
| |
| var len = 0; |
| var chunks = new Array(10); |
| for (var i = 1; i <= 10; i++) { |
| chunks[i-1] = new Buffer(i); |
| len += i; |
| } |
| |
| var test = new Readable(); |
| var n = 0; |
| test._read = function(size) { |
| var chunk = chunks[n++]; |
| setTimeout(function() { |
| test.push(chunk); |
| }); |
| }; |
| |
| test.on('end', thrower); |
| function thrower() { |
| throw new Error('this should not happen!'); |
| } |
| |
| var bytesread = 0; |
| test.on('readable', function() { |
| var b = len - bytesread - 1; |
| var res = test.read(b); |
| if (res) { |
| bytesread += res.length; |
| console.error('br=%d len=%d', bytesread, len); |
| setTimeout(next); |
| } |
| test.read(0); |
| }); |
| test.read(0); |
| |
| function next() { |
| // now let's make 'end' happen |
| test.removeListener('end', thrower); |
| |
| var endEmitted = false; |
| process.on('exit', function() { |
| assert(endEmitted, 'end should be emitted by now'); |
| }); |
| test.on('end', function() { |
| endEmitted = true; |
| }); |
| |
| // one to get the last byte |
| var r = test.read(); |
| assert(r); |
| assert.equal(r.length, 1); |
| r = test.read(); |
| assert.equal(r, null); |
| } |