summaryrefslogtreecommitdiff
path: root/tests/node_compat/test/parallel/test-stream-writableState-ending.js
blob: 6533f0b83112c73c3de4663faa2c22ee7ab3cfb9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
// 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';

require('../common');

const assert = require('assert');
const stream = require('stream');

const writable = new stream.Writable();

function testStates(ending, finished, ended) {
  assert.strictEqual(writable._writableState.ending, ending);
  assert.strictEqual(writable._writableState.finished, finished);
  assert.strictEqual(writable._writableState.ended, ended);
}

writable._write = (chunk, encoding, cb) => {
  // Ending, finished, ended start in false.
  testStates(false, false, false);
  cb();
};

writable.on('finish', () => {
  // Ending, finished, ended = true.
  testStates(true, true, true);
});

const result = writable.end('testing function end()', () => {
  // Ending, finished, ended = true.
  testStates(true, true, true);
});

// End returns the writable instance
assert.strictEqual(result, writable);

// Ending, ended = true.
// finished = false.
testStates(true, false, true);