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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';const common = require('../common');const assert = require('assert');const stream = require('stream');const str = 'asdfasdfasdfasdfasdf';
const r = new stream.Readable({  highWaterMark: 5,  encoding: 'utf8'});
let reads = 0;
function _read() {  if (reads === 0) {    setTimeout(() => {      r.push(str);    }, 1);    reads++;  } else if (reads === 1) {    const ret = r.push(str);    assert.strictEqual(ret, false);    reads++;  } else {    r.push(null);  }}
r._read = common.mustCall(_read, 3);
r.on('end', common.mustCall());
// Push some data in to start.// We've never gotten any read event at this point.const ret = r.push(str);// Should be false.  > hwmassert(!ret);let chunk = r.read();assert.strictEqual(chunk, str);chunk = r.read();assert.strictEqual(chunk, null);
r.once('readable', () => {  // This time, we'll get *all* the remaining data, because  // it's been added synchronously, as the read WOULD take  // us below the hwm, and so it triggered a _read() again,  // which synchronously added more, which we then return.  chunk = r.read();  assert.strictEqual(chunk, str + str);
  chunk = r.read();  assert.strictEqual(chunk, null);});