diff options
Diffstat (limited to 'tools/profiler/tests/browser/browser_test_markers_parent_process.js')
-rw-r--r-- | tools/profiler/tests/browser/browser_test_markers_parent_process.js | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tools/profiler/tests/browser/browser_test_markers_parent_process.js b/tools/profiler/tests/browser/browser_test_markers_parent_process.js new file mode 100644 index 0000000000..28b82f8054 --- /dev/null +++ b/tools/profiler/tests/browser/browser_test_markers_parent_process.js @@ -0,0 +1,37 @@ +/* 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 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +add_task(async function test_markers_parent_process() { + info("Test markers that are generated by the browser's parent process."); + + info("Start the profiler in nostacksampling mode."); + await startProfiler({ features: ["nostacksampling"] }); + + info("Dispatch a DOMEvent"); + window.dispatchEvent(new Event("synthetic")); + + info("Stop the profiler and get the profile."); + const profile = await stopNowAndGetProfile(); + + const markers = getInflatedMarkerData(profile.threads[0]); + { + const domEventStart = markers.find( + ({ phase, data }) => + phase === INTERVAL_START && data?.eventType === "synthetic" + ); + const domEventEnd = markers.find( + ({ phase, data }) => + phase === INTERVAL_END && data?.eventType === "synthetic" + ); + ok(domEventStart, "A start DOMEvent was generated"); + ok(domEventEnd, "An end DOMEvent was generated"); + ok( + domEventEnd.data.latency > 0, + "DOMEvent had a a latency value generated." + ); + ok(domEventEnd.data.type === "DOMEvent"); + ok(domEventEnd.name === "DOMEvent"); + } + // Add more marker tests. +}); |