Current File : /home/vacivi36/vittasync.vacivitta.com.br/vittasync/node/test/parallel/test-timers-nested.js
// Flags: --expose-internals
'use strict';
require('../common');
const assert = require('assert');
const { sleep } = require('internal/util');
// Make sure we test 0ms timers, since they would had always wanted to run on
// the current tick, and greater than 0ms timers, for scenarios where the
// outer timer takes longer to complete than the delay of the nested timer.
// Since the process of recreating this is identical regardless of the timer
// delay, these scenarios are in one test.
const scenarios = [0, 100];
scenarios.forEach(function(delay) {
let nestedCalled = false;
setTimeout(function A() {
// Create the nested timer with the same delay as the outer timer so that it
// gets added to the current list of timers being processed by
// listOnTimeout.
setTimeout(function B() {
nestedCalled = true;
}, delay);
// Busy loop for the same timeout used for the nested timer to ensure that
// we are in fact expiring the nested timer.
sleep(delay);
// The purpose of running this assert in nextTick is to make sure it runs
// after A but before the next iteration of the libuv event loop.
process.nextTick(function() {
assert.ok(!nestedCalled);
});
// Ensure that the nested callback is indeed called prior to process exit.
process.on('exit', function onExit() {
assert.ok(nestedCalled);
});
}, delay);
});
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