Mypal/devtools/server/tests/unit/test_MemoryActor_saveHeapSnapshot_01.js
2019-03-11 13:26:37 +03:00

19 lines
758 B
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test that we can tell the memory actor to take a heap snapshot over the RDP
// and then create a HeapSnapshot instance from the resulting file.
const { OS } = require("resource://gre/modules/osfile.jsm");
const run_test = makeMemoryActorTest(function* (client, memoryFront) {
const snapshotFilePath = yield memoryFront.saveHeapSnapshot();
ok(!!(yield OS.File.stat(snapshotFilePath)),
"Should have the heap snapshot file");
const snapshot = ThreadSafeChromeUtils.readHeapSnapshot(snapshotFilePath);
ok(snapshot instanceof HeapSnapshot,
"And we should be able to read a HeapSnapshot instance from the file");
});