The Tor Browser / file comparison
comparison: startupcache/test/TestStartupCacheTelemetry.js
startupcache/test/TestStartupCacheTelemetry.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
equal
deleted
inserted
replaced
| -1:000000000000 | 0:9a7382c122e8 |
|---|---|
| 1 const Cc = Components.classes; | |
| 2 const Ci = Components.interfaces; | |
| 3 const Cu = Components.utils; | |
| 4 | |
| 5 Cu.import("resource://gre/modules/Services.jsm"); | |
| 6 Cu.import("resource://gre/modules/XPCOMUtils.jsm"); | |
| 7 | |
| 8 function shouldHaveChanged(a, b) | |
| 9 { | |
| 10 if (a.length != b.length) { | |
| 11 throw Error("TEST-UNEXPECTED-FAIL: telemetry count array size changed"); | |
| 12 } | |
| 13 | |
| 14 for (let i = 0; i < a.length; ++i) { | |
| 15 if (a[i] == b[i]) { | |
| 16 continue; | |
| 17 } | |
| 18 return; // something was different, that's all that matters | |
| 19 } | |
| 20 throw Error("TEST-UNEXPECTED-FAIL: telemetry data didn't change"); | |
| 21 } | |
| 22 | |
| 23 function TestStartupCacheTelemetry() { } | |
| 24 | |
| 25 TestStartupCacheTelemetry.prototype = { | |
| 26 classID: Components.ID("{73cbeffd-d6c7-42f0-aaf3-f176430dcfc8}"), | |
| 27 QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver]), | |
| 28 | |
| 29 saveInitial: function() { | |
| 30 let t = Services.telemetry; | |
| 31 this._age = t.getHistogramById("STARTUP_CACHE_AGE_HOURS").snapshot.counts; | |
| 32 this._invalid = t.getHistogramById("STARTUP_CACHE_INVALID").snapshot.counts; | |
| 33 }, | |
| 34 | |
| 35 checkFinal: function() { | |
| 36 let t = Services.telemetry; | |
| 37 let newAge = t.getHistogramById("STARTUP_CACHE_AGE_HOURS").snapshot.counts; | |
| 38 shouldHaveChanged(this._age, newAge); | |
| 39 | |
| 40 let newInvalid = t.getHistogramById("STARTUP_CACHE_INVALID").snapshot.counts; | |
| 41 shouldHaveChanged(this._invalid, newInvalid); | |
| 42 }, | |
| 43 | |
| 44 observe: function(subject, topic, data) { | |
| 45 switch (topic) { | |
| 46 case "save-initial": | |
| 47 this.saveInitial(); | |
| 48 break; | |
| 49 | |
| 50 case "check-final": | |
| 51 this.checkFinal(); | |
| 52 break; | |
| 53 | |
| 54 default: | |
| 55 throw Error("BADDOG, NO MILKBONE FOR YOU"); | |
| 56 } | |
| 57 }, | |
| 58 }; | |
| 59 | |
| 60 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([TestStartupCacheTelemetry]); |
