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Test Info: Warnings
- This test gets skipped with pattern: tsan OR http3 OR http2
- Manifest: devtools/client/performance-new/test/browser/browser.toml
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
"use strict";
add_task(async function test() {
info(
"Test what happens if the profiler was previously started by another tool."
);
const { startProfiler } = ChromeUtils.importESModule(
);
info("Start the profiler before DevTools is loaded.");
startProfiler("aboutprofiling");
await withDevToolsPanel(async document => {
const getRecordingState = setupGetRecordingState(document);
// The initial state of the profiler UI is racy, as it calls out to the PerfFront
// to get the status of the profiler. This can race with the initialization of
// the test. Most of the the time the result is "not-yet-known", but rarely
// the PerfFront will win this race. Allow for both outcomes of the race in this
// test.
ok(
getRecordingState() === "not-yet-known" ||
getRecordingState() === "recording",
"The component starts out in an unknown state or in a recording state."
);
const cancelRecording = await getActiveButtonFromText(
document,
"Cancel recording"
);
is(
getRecordingState(),
"recording",
"The profiler is reflecting the recording state."
);
info("Click the button to cancel the recording");
cancelRecording.click();
is(
getRecordingState(),
"request-to-stop-profiler",
"We can request to stop the profiler."
);
await getActiveButtonFromText(document, "Start recording");
is(
getRecordingState(),
"available-to-record",
"The profiler is now available to record."
);
});
});