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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
'use strict';
const common = require('../common');const assert = require('assert');const { Readable } = require('stream');
const MAX = 42;const BATCH = 10;
{  const readable = new Readable({    objectMode: true,    read: common.mustCall(function() {      console.log('>> READ');      fetchData((err, data) => {        if (err) {          this.destroy(err);          return;        }
        if (data.length === 0) {          console.log('pushing null');          this.push(null);          return;        }
        console.log('pushing');        data.forEach((d) => this.push(d));      });    }, Math.floor(MAX / BATCH) + 2)  });
  let i = 0;  function fetchData(cb) {    if (i > MAX) {      setTimeout(cb, 10, null, []);    } else {      const array = [];      const max = i + BATCH;      for (; i < max; i++) {        array.push(i);      }      setTimeout(cb, 10, null, array);    }  }
  readable.on('readable', () => {    let data;    console.log('readable emitted');    while ((data = readable.read()) !== null) {      console.log(data);    }  });
  readable.on('end', common.mustCall(() => {    assert.strictEqual(i, (Math.floor(MAX / BATCH) + 1) * BATCH);  }));}
{  const readable = new Readable({    objectMode: true,    read: common.mustCall(function() {      console.log('>> READ');      fetchData((err, data) => {        if (err) {          this.destroy(err);          return;        }
        if (data.length === 0) {          console.log('pushing null');          this.push(null);          return;        }
        console.log('pushing');        data.forEach((d) => this.push(d));      });    }, Math.floor(MAX / BATCH) + 2)  });
  let i = 0;  function fetchData(cb) {    if (i > MAX) {      setTimeout(cb, 10, null, []);    } else {      const array = [];      const max = i + BATCH;      for (; i < max; i++) {        array.push(i);      }      setTimeout(cb, 10, null, array);    }  }
  readable.on('data', (data) => {    console.log('data emitted', data);  });
  readable.on('end', common.mustCall(() => {    assert.strictEqual(i, (Math.floor(MAX / BATCH) + 1) * BATCH);  }));}
{  const readable = new Readable({    objectMode: true,    read: common.mustCall(function() {      console.log('>> READ');      fetchData((err, data) => {        if (err) {          this.destroy(err);          return;        }
        console.log('pushing');        data.forEach((d) => this.push(d));
        if (data[BATCH - 1] >= MAX) {          console.log('pushing null');          this.push(null);        }      });    }, Math.floor(MAX / BATCH) + 1)  });
  let i = 0;  function fetchData(cb) {    const array = [];    const max = i + BATCH;    for (; i < max; i++) {      array.push(i);    }    setTimeout(cb, 10, null, array);  }
  readable.on('data', (data) => {    console.log('data emitted', data);  });
  readable.on('end', common.mustCall(() => {    assert.strictEqual(i, (Math.floor(MAX / BATCH) + 1) * BATCH);  }));}
{  const readable = new Readable({    objectMode: true,    read: common.mustNotCall()  });
  readable.on('data', common.mustNotCall());
  readable.push(null);
  let nextTickPassed = false;  process.nextTick(() => {    nextTickPassed = true;  });
  readable.on('end', common.mustCall(() => {    assert.strictEqual(nextTickPassed, true);  }));}
{  const readable = new Readable({    objectMode: true,    read: common.mustCall()  });
  readable.on('data', (data) => {    console.log('data emitted', data);  });
  readable.on('end', common.mustCall());
  setImmediate(() => {    readable.push('aaa');    readable.push(null);  });}