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// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
// 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.
'use strict';require('../common');const assert = require('assert');
const Readable = require('stream').Readable;
class MyStream extends Readable {  constructor(options) {    super(options);    this._chunks = 3;  }
  _read(n) {    switch (this._chunks--) {      case 0:        return this.push(null);      case 1:        return setTimeout(() => {          this.push('last chunk');        }, 100);      case 2:        return this.push('second to last chunk');      case 3:        return process.nextTick(() => {          this.push('first chunk');        });      default:        throw new Error('?');    }  }}
const ms = new MyStream();const results = [];ms.on('readable', function() {  let chunk;  while (null !== (chunk = ms.read()))    results.push(String(chunk));});
const expect = [ 'first chunksecond to last chunk', 'last chunk' ];process.on('exit', function() {  assert.strictEqual(ms._chunks, -1);  assert.deepStrictEqual(results, expect);  console.log('ok');});