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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 16.13.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';
const common = require('../common');const { Duplex } = require('stream');const assert = require('assert');
// basic{  // Find it on Duplex.prototype  assert(Duplex.prototype.hasOwnProperty('writableFinished'));}
// event{  const duplex = new Duplex();
  duplex._write = (chunk, encoding, cb) => {    // The state finished should start in false.    assert.strictEqual(duplex.writableFinished, false);    cb();  };
  duplex.on('finish', common.mustCall(() => {    assert.strictEqual(duplex.writableFinished, true);  }));
  duplex.end('testing finished state', common.mustCall(() => {    assert.strictEqual(duplex.writableFinished, true);  }));}