test_ReadHeapSnapshot.js

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/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

// Test that we can read core dumps into HeapSnapshot instances.

/* eslint-disable strict */

if (typeof Debugger != "function") {

  const { addDebuggerToGlobal } = ChromeUtils.importESModule(

    "resource://gre/modules/jsdebugger.sys.mjs"

);

  addDebuggerToGlobal(globalThis);

function run_test() {

  const filePath = ChromeUtils.saveHeapSnapshot({ globals: [this] });

  ok(true, "Should be able to save a snapshot.");

  const snapshot = ChromeUtils.readHeapSnapshot(filePath);

  ok(snapshot, "Should be able to read a heap snapshot");

  ok(HeapSnapshot.isInstance(snapshot), "Should be an instanceof HeapSnapshot");

  do_test_finished();