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