gecko-dev/devtools/server/tests/browser/browser_perf-profiler-03.js

57 строки
2.0 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Tests if the built-in profiler module is not reactivated if no other
* consumer was using it over the remote debugger protocol, and ensures
* that the actor will work properly even in such cases (e.g. the Gecko Profiler
* addon was installed and automatically activated the profiler module).
*/
"use strict";
const { PerformanceFront } = require("devtools/shared/fronts/performance");
const { pmmIsProfilerActive, pmmStartProfiler, pmmLoadFrameScripts, pmmClearFrameScripts } = require("devtools/client/performance/test/helpers/profiler-mm-utils");
add_task(async function() {
// Ensure the profiler is already running when the test starts.
pmmLoadFrameScripts(gBrowser);
let entries = 1000000;
let interval = 1;
let features = ["js"];
await pmmStartProfiler({ entries, interval, features });
ok((await pmmIsProfilerActive()),
"The built-in profiler module should still be active.");
await addTab(MAIN_DOMAIN + "doc_perf.html");
initDebuggerServer();
let client = new DebuggerClient(DebuggerServer.connectPipe());
let form = await connectDebuggerClient(client);
let firstFront = PerformanceFront(client, form);
await firstFront.connect();
await firstFront.startRecording();
await addTab(MAIN_DOMAIN + "doc_perf.html");
let client2 = new DebuggerClient(DebuggerServer.connectPipe());
let form2 = await connectDebuggerClient(client2);
let secondFront = PerformanceFront(client2, form2);
await secondFront.connect();
await secondFront.destroy();
await client2.close();
ok((await pmmIsProfilerActive()),
"The built-in profiler module should still be active.");
await firstFront.destroy();
await client.close();
ok(!(await pmmIsProfilerActive()),
"The built-in profiler module should have been automatically stopped.");
pmmClearFrameScripts();
gBrowser.removeCurrentTab();
gBrowser.removeCurrentTab();
});