fune/devtools/server/tests/browser/browser_markers-cycle-collection.js

36 lines
1.2 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Test that we get "nsCycleCollector::Collect" and
* "nsCycleCollector::ForgetSkippable" markers when we force cycle collection.
*/
"use strict";
const { PerformanceFront } = require("devtools/shared/fronts/performance");
add_task(function* () {
// This test runs very slowly on linux32 debug EC2 instances.
requestLongerTimeout(2);
yield addTab(MAIN_DOMAIN + "doc_force_cc.html");
initDebuggerServer();
let client = new DebuggerClient(DebuggerServer.connectPipe());
let form = yield connectDebuggerClient(client);
let front = PerformanceFront(client, form);
yield front.connect();
let rec = yield front.startRecording({ withMarkers: true });
let markers = yield waitForMarkerType(front,
["nsCycleCollector::Collect", "nsCycleCollector::ForgetSkippable"]);
yield front.stopRecording(rec);
ok(markers.some(m => m.name === "nsCycleCollector::Collect"),
"got some nsCycleCollector::Collect markers");
ok(markers.some(m => m.name === "nsCycleCollector::ForgetSkippable"),
"got some nsCycleCollector::Collect markers");
yield client.close();
gBrowser.removeCurrentTab();
});