node/test/pummel/test-net-connect-memleak.js
Rich Trott 089362f8b8 test,tools: limit lint tolerance of gc global
Lint rules permitted the `gc` global in any test file. This change
limits it to just the files that need it.

PR-URL: https://github.com/nodejs/node/pull/6324
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
2016-05-03 20:20:33 -04:00

32 lines
859 B
JavaScript

'use strict';
// Flags: --expose-gc
var common = require('../common');
var assert = require('assert');
var net = require('net');
assert(typeof global.gc === 'function', 'Run this test with --expose-gc');
net.createServer(function() {}).listen(common.PORT);
var before = 0;
(function() {
// 2**26 == 64M entries
global.gc();
for (var i = 0, junk = [0]; i < 26; ++i) junk = junk.concat(junk);
before = process.memoryUsage().rss;
net.createConnection(common.PORT, '127.0.0.1', function() {
assert(junk.length != 0); // keep reference alive
setTimeout(done, 10);
global.gc();
});
})();
function done() {
global.gc();
var after = process.memoryUsage().rss;
var reclaimed = (before - after) / 1024;
console.log('%d kB reclaimed', reclaimed);
assert(reclaimed > 128 * 1024); // It's around 256 MB on x64.
process.exit();
}