e86adad759
This makes sure that the tests are run on actual heap snapshots and prints out missing paths when it cannot be found, which makes failures easier to debug, and removes the unnecessary requirement for BaseObjects to be root - which would make the heap snapshot containment view rather noisy and is not conceptually correct, since they are actually held by the BaseObjectList held by the realms. PR-URL: https://github.com/nodejs/node/pull/57417 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
39 lines
1 KiB
JavaScript
39 lines
1 KiB
JavaScript
// Flags: --experimental-shadow-realm
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// This tests heap snapshot integration of ShadowRealm
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'use strict';
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require('../common');
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const { validateByRetainingPath } = require('../common/heap');
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const assert = require('assert');
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// Before shadow realm is created, no ShadowRealm should be captured.
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{
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const nodes = validateByRetainingPath('Node / ShadowRealm', []);
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assert.strictEqual(nodes.length, 0);
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}
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let realm;
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let counter = 0;
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// Create a bunch of un-referenced ShadowRealms to make sure the heap
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// snapshot can handle it.
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function createRealms() {
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// Use setImmediate to give GC some time to kick in to avoid OOM.
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if (counter++ < 10) {
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realm = new ShadowRealm();
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realm.evaluate('undefined');
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setImmediate(createRealms);
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} else {
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validateHeap();
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// Keep the realm alive.
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realm.evaluate('undefined');
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}
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}
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function validateHeap() {
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validateByRetainingPath('Node / Environment', [
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{ node_name: 'Node / shadow_realms', edge_name: 'shadow_realms' },
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{ node_name: 'Node / ShadowRealm' },
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]);
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}
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createRealms();
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