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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');
// This test ensures that Readable stream will call _read() for streams// with highWaterMark === 0 upon .read(0) instead of just trying to// emit 'readable' event.
const assert = require('assert');const { Readable } = require('stream');
const r = new Readable({  // Must be called only once upon setting 'readable' listener  read: common.mustCall(),  highWaterMark: 0,});
let pushedNull = false;// This will trigger read(0) but must only be called after push(null)// because the we haven't pushed any datar.on('readable', common.mustCall(() => {  assert.strictEqual(r.read(), null);  assert.strictEqual(pushedNull, true);}));r.on('end', common.mustCall());process.nextTick(() => {  assert.strictEqual(r.read(), null);  pushedNull = true;  r.push(null);});