node/test/pummel/test-heapdump-env.js
Chengzhong Wu 937e9bb1c6
src: track BaseObjects with an efficient list
PR-URL: https://github.com/nodejs/node/pull/55104
Backport-PR-URL: https://github.com/nodejs/node/pull/59959
Refs: https://github.com/nodejs/node/pull/54880
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
2025-09-22 14:26:18 +00:00

37 lines
1.2 KiB
JavaScript

// Flags: --expose-internals
'use strict';
// This tests that Environment is tracked in heap snapshots.
require('../common');
const { validateSnapshotNodes } = require('../common/heap');
// This is just using ContextifyScript as an example here, it can be replaced
// with any BaseObject that we can easily instantiate here and register in
// cleanup hooks.
// These can all be changed to reflect the status of how these objects
// are captured in the snapshot.
const context = require('vm').createScript('const foo = 123');
validateSnapshotNodes('Node / Environment', [{
children: [
{ node_name: 'Node / CleanupQueue', edge_name: 'cleanup_queue' },
{ node_name: 'Node / IsolateData', edge_name: 'isolate_data' },
{ node_name: 'Node / PrincipalRealm', edge_name: 'principal_realm' },
],
}]);
validateSnapshotNodes('Node / CleanupQueue', [
// The cleanup_queue of the Environment.
{},
// No other CleanupQueues in the snapshot.
]);
validateSnapshotNodes('Node / PrincipalRealm', [{
children: [
{ node_name: 'process', edge_name: 'process_object' },
{ node_name: 'Node / BaseObjectList', edge_name: 'base_object_list' },
],
}]);
console.log(context); // Make sure it's not GC'ed