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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 { Readable, Writable } = require('stream');const EE = require('events').EventEmitter;
function runTest(highWaterMark, objectMode, produce) {
  const old = new EE();  const r = new Readable({ highWaterMark, objectMode });  assert.strictEqual(r, r.wrap(old));
  r.on('end', common.mustCall());
  old.pause = function() {    old.emit('pause');    flowing = false;  };
  old.resume = function() {    old.emit('resume');    flow();  };
  // Make sure pause is only emitted once.  let pausing = false;  r.on('pause', () => {    assert.strictEqual(pausing, false);    pausing = true;    process.nextTick(() => {      pausing = false;    });  });
  let flowing;  let chunks = 10;  let oldEnded = false;  const expected = [];  function flow() {    flowing = true;    while (flowing && chunks-- > 0) {      const item = produce();      expected.push(item);      old.emit('data', item);    }    if (chunks <= 0) {      oldEnded = true;      old.emit('end');    }  }
  const w = new Writable({ highWaterMark: highWaterMark * 2,                           objectMode });  const written = [];  w._write = function(chunk, encoding, cb) {    written.push(chunk);    setTimeout(cb, 1);  };
  w.on('finish', common.mustCall(function() {    performAsserts();  }));
  r.pipe(w);
  flow();
  function performAsserts() {    assert(oldEnded);    assert.deepStrictEqual(written, expected);  }}
runTest(100, false, function() { return Buffer.allocUnsafe(100); });runTest(10, false, function() { return Buffer.from('xxxxxxxxxx'); });runTest(1, true, function() { return { foo: 'bar' }; });
const objectChunks = [ 5, 'a', false, 0, '', 'xyz', { x: 4 }, 7, [], 555 ];runTest(1, true, function() { return objectChunks.shift(); });