From 43a97878ce14b72f0981164f87f2e35e14151312 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:22:09 +0200 Subject: Adding upstream version 110.0.1. Signed-off-by: Daniel Baumann --- startupcache/test/browser/browser.ini | 1 + .../test/browser/browser_startupcache_telemetry.js | 50 ++++++++++++++++++++++ 2 files changed, 51 insertions(+) create mode 100644 startupcache/test/browser/browser.ini create mode 100644 startupcache/test/browser/browser_startupcache_telemetry.js (limited to 'startupcache/test/browser') diff --git a/startupcache/test/browser/browser.ini b/startupcache/test/browser/browser.ini new file mode 100644 index 0000000000..cd4a5cbbe6 --- /dev/null +++ b/startupcache/test/browser/browser.ini @@ -0,0 +1 @@ +[browser_startupcache_telemetry.js] diff --git a/startupcache/test/browser/browser_startupcache_telemetry.js b/startupcache/test/browser/browser_startupcache_telemetry.js new file mode 100644 index 0000000000..707bd98564 --- /dev/null +++ b/startupcache/test/browser/browser_startupcache_telemetry.js @@ -0,0 +1,50 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +"use strict"; + +const LABELS_STARTUP_CACHE_REQUESTS = { + HitMemory: 0, + HitDisk: 1, + Miss: 2, +}; + +add_task(async function() { + // Turn off tab preloading to avoid issues with RemoteController.js + await SpecialPowers.pushPrefEnv({ + set: [["browser.newtab.preload", false]], + }); + + Services.obs.notifyObservers(null, "startupcache-invalidate"); + Services.telemetry.getSnapshotForHistograms("main", true); + let newWin = await BrowserTestUtils.openNewBrowserWindow(); + let snapshot = Services.telemetry.getSnapshotForHistograms("main", true); + function histValue(label) { + return snapshot.parent.STARTUP_CACHE_REQUESTS.values[label] || 0; + } + Assert.equal(histValue(LABELS_STARTUP_CACHE_REQUESTS.HitMemory), 0); + Assert.equal(histValue(LABELS_STARTUP_CACHE_REQUESTS.HitDisk), 0); + Assert.notEqual(histValue(LABELS_STARTUP_CACHE_REQUESTS.Miss), 0); + await BrowserTestUtils.closeWindow(newWin); + + newWin = await BrowserTestUtils.openNewBrowserWindow(); + snapshot = Services.telemetry.getSnapshotForHistograms("main", true); + Assert.notEqual(histValue(LABELS_STARTUP_CACHE_REQUESTS.HitMemory), 0); + Assert.equal(histValue(LABELS_STARTUP_CACHE_REQUESTS.HitDisk), 0); + + // Here and below, 50 is just a nice round number that should be well over + // what we should observe under normal circumstances, and well under what + // we should see if something is seriously wrong. It won't catch everything, + // but it's better than nothing, and better than a test that cries wolf. + Assert.less(histValue(LABELS_STARTUP_CACHE_REQUESTS.Miss), 50); + await BrowserTestUtils.closeWindow(newWin); + + Services.obs.notifyObservers(null, "startupcache-invalidate", "memoryOnly"); + newWin = await BrowserTestUtils.openNewBrowserWindow(); + snapshot = Services.telemetry.getSnapshotForHistograms("main", true); + Assert.less(histValue(LABELS_STARTUP_CACHE_REQUESTS.HitMemory), 50); + Assert.notEqual(histValue(LABELS_STARTUP_CACHE_REQUESTS.HitDisk), 0); + // Some misses can come through - just ensure it's a small number + Assert.less(histValue(LABELS_STARTUP_CACHE_REQUESTS.Miss), 50); + await BrowserTestUtils.closeWindow(newWin); +}); -- cgit v1.2.3