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'use strict';
var common = require('../common');
var assert = require('assert');
var Readable = require('stream').Readable;
var util = require('util');
util.inherits(MyStream, Readable);
function MyStream(options) {
Readable.call(this, options);
this._chunks = 3;
}
MyStream.prototype._read = function(n) {
switch (this._chunks--) {
case 0:
return this.push(null);
case 1:
return setTimeout(function() {
this.push('last chunk');
}.bind(this), 100);
case 2:
return this.push('second to last chunk');
case 3:
return process.nextTick(function() {
this.push('first chunk');
}.bind(this));
default:
throw new Error('?');
}
};
var ms = new MyStream();
var results = [];
ms.on('readable', function() {
var chunk;
while (null !== (chunk = ms.read()))
results.push(chunk + '');
});
var expect = [ 'first chunksecond to last chunk', 'last chunk' ];
process.on('exit', function() {
assert.equal(ms._chunks, -1);
assert.deepEqual(results, expect);
console.log('ok');
});