mirror of https://github.com/nodejs/node.git
33 lines
597 B
JavaScript
33 lines
597 B
JavaScript
'use strict';
|
|
require('../common');
|
|
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);
|
|
}
|
|
};
|
|
|
|
s.read(0);
|
|
|
|
// ACTUALLY [1, 3, 5, 6, 4, 2]
|
|
|
|
process.on('exit', function() {
|
|
assert.deepStrictEqual(s._readableState.buffer,
|
|
['1', '2', '3', '4', '5', '6']);
|
|
console.log('ok');
|
|
});
|