0
0
mirror of https://github.com/nodejs/node.git synced 2024-12-01 16:10:02 +01:00
nodejs/test/parallel/test-next-tick-intentional-starvation.js
isaacs 3e1b1dd4a9 Remove excessive copyright/license boilerplate
The copyright and license notice is already in the LICENSE file.  There
is no justifiable reason to also require that it be included in every
file, since the individual files are not individually distributed except
as part of the entire package.
2015-01-12 15:30:28 -08:00

44 lines
921 B
JavaScript

var common = require('../common');
var assert = require('assert');
// this is the inverse of test-next-tick-starvation.
// it verifies that process.nextTick will *always* come before other
// events, up to the limit of the process.maxTickDepth value.
// WARNING: unsafe!
process.maxTickDepth = Infinity;
var ran = false;
var starved = false;
var start = +new Date();
var timerRan = false;
function spin() {
ran = true;
var now = +new Date();
if (now - start > 100) {
console.log('The timer is starving, just as we planned.');
starved = true;
// now let it out.
return;
}
process.nextTick(spin);
}
function onTimeout() {
if (!starved) throw new Error('The timer escaped!');
console.log('The timer ran once the ban was lifted');
timerRan = true;
}
spin();
setTimeout(onTimeout, 50);
process.on('exit', function() {
assert.ok(ran);
assert.ok(starved);
assert.ok(timerRan);
});