tests/node_compat/test/parallel/test-http-outgoing-internal-headernames-getter.js


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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 18.12.1
// This file is automatically generated by `tests/node_compat/runner/setup.ts`. Do not modify this file manually.

'use strict';
const common = require('../common');

const { OutgoingMessage } = require('http');
const assert = require('assert');

const warn = 'OutgoingMessage.prototype._headerNames is deprecated';
common.expectWarning('DeprecationWarning', warn, 'DEP0066');

{
  // Tests for _headerNames get method
  const outgoingMessage = new OutgoingMessage();
  outgoingMessage._headerNames; // eslint-disable-line no-unused-expressions
}

{
  // Tests _headerNames getter result after setting a header.
  const outgoingMessage = new OutgoingMessage();
  outgoingMessage.setHeader('key', 'value');
  const expect = { __proto__: null };
  expect.key = 'key';
  assert.deepStrictEqual(outgoingMessage._headerNames, expect);
}