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-rw-r--r--toolkit/components/telemetry/tests/browser/browser_TelemetryGC.js193
1 files changed, 0 insertions, 193 deletions
diff --git a/toolkit/components/telemetry/tests/browser/browser_TelemetryGC.js b/toolkit/components/telemetry/tests/browser/browser_TelemetryGC.js
deleted file mode 100644
index 262fd69ff..000000000
--- a/toolkit/components/telemetry/tests/browser/browser_TelemetryGC.js
+++ /dev/null
@@ -1,193 +0,0 @@
-"use strict";
-
-/*
- *********************************************************************************
- * *
- * WARNING *
- * *
- * If you adjust any of the constants here (slice limit, number of keys, etc.) *
- * make sure to update the JSON schema at: *
- * https://github.com/mozilla-services/mozilla-pipeline-schemas/blob/master/ *
- * telemetry/main.schema.json *
- * *
- * Otherwise, pings may be dropped by the telemetry backend! *
- * *
- ********************************************************************************/
-
-const {GCTelemetry} = Cu.import("resource://gre/modules/GCTelemetry.jsm", {});
-
-function check(entries) {
- const FIELDS = ["random", "worst"];
-
- // Check that all FIELDS are in |entries|.
- for (let f of FIELDS) {
- ok(f in entries, `${f} found in entries`);
- }
-
- // Check that only FIELDS are in |entries|.
- for (let k of Object.keys(entries)) {
- ok(FIELDS.includes(k), `${k} found in FIELDS`);
- }
-
- let foundGCs = 0;
-
- for (let f of FIELDS) {
- ok(Array.isArray(entries[f]), "have an array of GCs");
-
- ok(entries[f].length <= 2, "not too many GCs");
-
- for (let gc of entries[f]) {
- ok(gc !== null, "GC is non-null");
-
- foundGCs++;
-
- ok(Object.keys(gc).length <= 25, "number of keys in GC is not too large");
-
- // Sanity check the GC data.
- ok("total_time" in gc, "total_time field present");
- ok("max_pause" in gc, "max_pause field present");
-
- ok("slices" in gc, "slices field present");
- ok(Array.isArray(gc.slices), "slices is an array");
- ok(gc.slices.length > 0, "slices array non-empty");
- ok(gc.slices.length <= 4, "slices array is not too long");
-
- ok("totals" in gc, "totals field present");
- ok(typeof(gc.totals) == "object", "totals is an object");
- ok(Object.keys(gc.totals).length <= 65, "totals array is not too long");
-
- // Make sure we don't skip any big objects.
- for (let key in gc) {
- if (key != "slices" && key != "totals") {
- ok(typeof(gc[key]) != "object", `${key} property should be primitive`);
- }
- }
-
- let phases = new Set();
-
- for (let slice of gc.slices) {
- ok(Object.keys(slice).length <= 15, "slice is not too large");
-
- ok("pause" in slice, "pause field present in slice");
- ok("reason" in slice, "reason field present in slice");
- ok("times" in slice, "times field present in slice");
-
- // Make sure we don't skip any big objects.
- for (let key in slice) {
- if (key != "times") {
- ok(typeof(slice[key]) != "object", `${key} property should be primitive`);
- }
- }
-
- ok(Object.keys(slice.times).length <= 65, "no more than 65 phases");
-
- for (let phase in slice.times) {
- phases.add(phase);
- ok(typeof(slice.times[phase]) == "number", `${phase} property should be a number`);
- }
- }
-
- let totals = gc.totals;
- // Make sure we don't skip any big objects.
- for (let phase in totals) {
- ok(typeof(totals[phase]) == "number", `${phase} property should be a number`);
- }
-
- for (let phase of phases) {
- ok(phase in totals, `${phase} is in totals`);
- }
- }
- }
-
- ok(foundGCs > 0, "saw at least one GC");
-}
-
-add_task(function* test() {
- let multiprocess = Services.appinfo.browserTabsRemoteAutostart;
-
- // Set these prefs to ensure that we get measurements.
- const prefs = {"set": [["javascript.options.mem.notify", true]]};
- yield new Promise(resolve => SpecialPowers.pushPrefEnv(prefs, resolve));
-
- function runRemote(f) {
- gBrowser.selectedBrowser.messageManager.loadFrameScript(`data:,(${f})()`, false);
- }
-
- function initScript() {
- const {GCTelemetry} = Components.utils.import("resource://gre/modules/GCTelemetry.jsm", {});
-
- /*
- * Don't shut down GC telemetry if it was already running before the test!
- * Note: We need to use a multiline comment here since this code is turned into a data: URI.
- */
- let shutdown = GCTelemetry.init();
-
- function listener() {
- removeMessageListener("GCTelemTest:Shutdown", listener);
- if (shutdown) {
- GCTelemetry.shutdown();
- }
- }
- addMessageListener("GCTelemTest:Shutdown", listener);
- }
-
- if (multiprocess) {
- runRemote(initScript);
- }
-
- // Don't shut down GC telemetry if it was already running before the test!
- let shutdown = GCTelemetry.init();
- registerCleanupFunction(() => {
- if (shutdown) {
- GCTelemetry.shutdown();
- }
-
- gBrowser.selectedBrowser.messageManager.sendAsyncMessage("GCTelemTest:Shutdown");
- });
-
- let localPromise = new Promise(resolve => {
- function obs() {
- Services.obs.removeObserver(obs, "garbage-collection-statistics");
- resolve();
- }
- Services.obs.addObserver(obs, "garbage-collection-statistics", false);
- });
-
- let remotePromise;
- if (multiprocess) {
- remotePromise = new Promise(resolve => {
- function obs() {
- Services.ppmm.removeMessageListener("Telemetry:GCStatistics", obs);
- resolve();
- }
- Services.ppmm.addMessageListener("Telemetry:GCStatistics", obs);
- });
- } else {
- remotePromise = Promise.resolve();
- }
-
- // Make sure we have a GC to work with in both processes.
- Cu.forceGC();
- if (multiprocess) {
- runRemote(() => Components.utils.forceGC());
- }
-
- info("Waiting for GCs");
-
- yield Promise.all([localPromise, remotePromise]);
-
- let localEntries = GCTelemetry.entries("main", true);
- let remoteEntries = multiprocess ? GCTelemetry.entries("content", true) : localEntries;
-
- check(localEntries);
- check(remoteEntries);
-
- localEntries = GCTelemetry.entries("main", false);
- remoteEntries = multiprocess ? GCTelemetry.entries("content", false) : localEntries;
-
- is(localEntries.random.length, 0, "no random GCs after reset");
- is(localEntries.worst.length, 0, "no worst GCs after reset");
-
- is(remoteEntries.random.length, 0, "no random GCs after reset");
- is(remoteEntries.worst.length, 0, "no worst GCs after reset");
-});