test/parallel/test-microtask-queue-run-domain.js


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
45

'use strict';
require('../common');
var assert = require('assert');

// Requiring the domain module here changes the function that is used by node to
// call process.nextTick's callbacks to a variant that specifically handles
// domains. We want to test this specific variant in this test, and so even if
// the domain module is not used, this require call is needed and must not be
// removed.
require('domain');

function enqueueMicrotask(fn) {
  Promise.resolve().then(fn);
}

var done = 0;

process.on('exit', function() {
  assert.equal(done, 2);
});

// no nextTick, microtask
setTimeout(function() {
  enqueueMicrotask(function() {
    done++;
  });
}, 0);


// no nextTick, microtask with nextTick
setTimeout(function() {
  var called = false;

  enqueueMicrotask(function() {
    process.nextTick(function() {
      called = true;
    });
  });

  setTimeout(function() {
    if (called)
      done++;
  }, 0);

}, 0);