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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;
test1();test2();
function test1() {  const r = new Readable();
  // Should not end when we get a Buffer.alloc(0) or '' as the _read  // result that just means that there is *temporarily* no data, but to  // go ahead and try again later.  //  // note that this is very unusual.  it only works for crypto streams  // because the other side of the stream will call read(0) to cycle  // data through openssl.  that's why setImmediate() is used to call  // r.read(0) again later, otherwise there is no more work being done  // and the process just exits.
  const buf = Buffer.alloc(5, 'x');  let reads = 5;  r._read = function(n) {    switch (reads--) {      case 5:        return setImmediate(() => {          return r.push(buf);        });      case 4:        setImmediate(() => {          return r.push(Buffer.alloc(0));        });        return setImmediate(r.read.bind(r, 0));      case 3:        setImmediate(r.read.bind(r, 0));        return process.nextTick(() => {          return r.push(Buffer.alloc(0));        });      case 2:        setImmediate(r.read.bind(r, 0));        return r.push(Buffer.alloc(0)); // Not-EOF!      case 1:        return r.push(buf);      case 0:        return r.push(null); // EOF      default:        throw new Error('unreachable');    }  };
  const results = [];  function flow() {    let chunk;    while (null !== (chunk = r.read()))      results.push(String(chunk));  }  r.on('readable', flow);  r.on('end', () => {    results.push('EOF');  });  flow();
  process.on('exit', () => {    assert.deepStrictEqual(results, [ 'xxxxx', 'xxxxx', 'EOF' ]);    console.log('ok');  });}
function test2() {  const r = new Readable({ encoding: 'base64' });  let reads = 5;  r._read = function(n) {    if (!reads--)      return r.push(null); // EOF    return r.push(Buffer.from('x'));  };
  const results = [];  function flow() {    let chunk;    while (null !== (chunk = r.read()))      results.push(String(chunk));  }  r.on('readable', flow);  r.on('end', () => {    results.push('EOF');  });  flow();
  process.on('exit', () => {    assert.deepStrictEqual(results, [ 'eHh4', 'eHg=', 'EOF' ]);    console.log('ok');  });}