text: // 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 R = require('../../readable');
  var assert = require('assert');
  
  var fs = require('../../fs');
  var FSReadable = fs.ReadStream;
  
  var path = require('path');
  var file = path.resolve(common.fixturesDir, 'x1024.txt');
  
  var size = fs.statSync(file).size;
  
  // expect to see chunks no more than 10 bytes each.
  var expectLengths = [];
  for (var i = size; i > 0; i -= 10) {
    expectLengths.push(Math.min(i, 10));
  }
  
  var util = require('util');
  var Stream = require('stream');
  
  util.inherits(TestWriter, Stream);
  
  function TestWriter() {
    Stream.apply(this);
    this.buffer = [];
    this.length = 0;
  }
  
  TestWriter.prototype.write = function(c) {
    this.buffer.push(c.toString());
    this.length += c.length;
    return true;
  };
  
  TestWriter.prototype.end = function(c) {
    if (c) this.buffer.push(c.toString());
    this.emit('results', this.buffer);
  }
  
  var r = new FSReadable(file, { bufferSize: 10 });
  var w = new TestWriter();
  
  w.on('results', function(res) {
    console.error(res, w.length);
    assert.equal(w.length, size);
    var l = 0;
    assert.deepEqual(res.map(function (c) {
      return c.length;
    }), expectLengths);
    console.log('ok');
  });
  
  r.pipe(w, { chunkSize: 10 });
  