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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, Writable } = require('stream');
const source = Readable({ read: () => {} });const dest1 = Writable({ write: () => {} });const dest2 = Writable({ write: () => {} });
source.pipe(dest1);source.pipe(dest2);
dest1.on('unpipe', common.mustCall());dest2.on('unpipe', common.mustCall());
assert.strictEqual(source._readableState.pipes[0], dest1);assert.strictEqual(source._readableState.pipes[1], dest2);assert.strictEqual(source._readableState.pipes.length, 2);
// Should be able to unpipe them in the reverse order that they were piped.
source.unpipe(dest2);
assert.deepStrictEqual(source._readableState.pipes, [dest1]);assert.notStrictEqual(source._readableState.pipes, dest2);
dest2.on('unpipe', common.mustNotCall());source.unpipe(dest2);
source.unpipe(dest1);
assert.strictEqual(source._readableState.pipes.length, 0);
{  // Test `cleanup()` if we unpipe all streams.  const source = Readable({ read: () => {} });  const dest1 = Writable({ write: () => {} });  const dest2 = Writable({ write: () => {} });
  let destCount = 0;  const srcCheckEventNames = ['end', 'data'];  const destCheckEventNames = ['close', 'finish', 'drain', 'error', 'unpipe'];
  const checkSrcCleanup = common.mustCall(() => {    assert.strictEqual(source._readableState.pipes.length, 0);    assert.strictEqual(source._readableState.flowing, false);
    srcCheckEventNames.forEach((eventName) => {      assert.strictEqual(        source.listenerCount(eventName), 0,        `source's '${eventName}' event listeners not removed`      );    });  });
  function checkDestCleanup(dest) {    const currentDestId = ++destCount;    source.pipe(dest);
    const unpipeChecker = common.mustCall(() => {      assert.deepStrictEqual(        dest.listeners('unpipe'), [unpipeChecker],        `destination{${currentDestId}} should have a 'unpipe' event ` +        'listener which is `unpipeChecker`'      );      dest.removeListener('unpipe', unpipeChecker);      destCheckEventNames.forEach((eventName) => {        assert.strictEqual(          dest.listenerCount(eventName), 0,          `destination{${currentDestId}}'s '${eventName}' event ` +          'listeners not removed'        );      });
      if (--destCount === 0)        checkSrcCleanup();    });
    dest.on('unpipe', unpipeChecker);  }
  checkDestCleanup(dest1);  checkDestCleanup(dest2);  source.unpipe();}
{  const src = Readable({ read: () => {} });  const dst = Writable({ write: () => {} });  src.pipe(dst);  src.on('resume', common.mustCall(() => {    src.on('pause', common.mustCall());    src.unpipe(dst);  }));}