node/test/pummel/test-vm-memleak.js
Antoine du Hamel ec26b1c01a
tools: add lint rule to ensure assertions are reached
PR-URL: https://github.com/nodejs/node/pull/60125
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
2025-10-07 12:40:05 +00:00

64 lines
2.1 KiB
JavaScript

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
// Flags: --max_old_space_size=32 --expose_gc
const common = require('../common');
if (common.isASan) {
common.skip('ASan messes with memory measurements');
}
const assert = require('assert');
const vm = require('vm');
const baselineRss = process.memoryUsage.rss();
const start = Date.now();
const interval = setInterval(common.mustCallAtLeast(function() {
try {
vm.runInNewContext('throw 1;');
} catch {
// Continue regardless of error.
}
global.gc();
const rss = process.memoryUsage.rss();
assert.ok(rss < baselineRss + 32 * 1024 * 1024,
`memory usage: ${rss} baseline: ${baselineRss}`);
// Stop after 5 seconds.
if (Date.now() - start > 5 * 1000) {
clearInterval(interval);
testContextLeak();
}
}), 1);
function testContextLeak() {
// TODO: This needs a comment explaining what it's doing. Will it crash the
// test if there is a memory leak? Or what?
for (let i = 0; i < 1000; i++)
vm.createContext({});
}