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// 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 first one is the cleanup_queue of the Environment.
{},
// The second one is the cleanup_queue of the principal realm.
{
children: [
{ node_name: 'Node / ContextifyScript' },
],
},
]);
validateSnapshotNodes('Node / PrincipalRealm', [{
children: [
{ node_name: 'process', edge_name: 'process_object' },
],
}]);
console.log(context); // Make sure it's not GC'ed
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