| // 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 Readable = require('stream').Readable; |
| var assert = require('assert'); |
| |
| var s = new Readable({ |
| highWaterMark: 20, |
| encoding: 'ascii' |
| }); |
| |
| var list = ['1', '2', '3', '4', '5', '6']; |
| |
| s._read = function (n) { |
| var one = list.shift(); |
| if (!one) { |
| s.push(null); |
| } else { |
| var two = list.shift(); |
| s.push(one); |
| s.push(two); |
| } |
| }; |
| |
| var v = s.read(0); |
| |
| // ACTUALLY [1, 3, 5, 6, 4, 2] |
| |
| process.on("exit", function () { |
| assert.deepEqual(s._readableState.buffer, |
| ['1', '2', '3', '4', '5', '6']); |
| console.log("ok"); |
| }); |