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 /* Any copyright is dedicated to the Public Domain.

  * http://creativecommons.org/publicdomain/zero/1.0/ */

 const Cu = Components.utils;

 const Cc = Components.classes;

 const Ci = Components.interfaces;

 Cu.import("resource://gre/modules/Services.jsm");

 // The @mozilla/xre/app-info;1 XPCOM object provided by the xpcshell test harness doesn't

 // implement the nsIAppInfo interface, which is needed by Services.jsm and TelemetryPing.jsm.

 // updateAppInfo() creates and registers a minimal mock app-info.

 Cu.import("resource://testing-common/AppInfo.jsm");

 updateAppInfo();

 function getSimpleMeasurementsFromTelemetryPing() {

   return Cu.import("resource://gre/modules/TelemetryPing.jsm", {}).

     TelemetryPing.getPayload().simpleMeasurements;

 }

 function run_test() {

   do_test_pending();

   const Telemetry = Services.telemetry;

   Telemetry.asyncFetchTelemetryData(function () {

     try {

       actualTest();

     }

     catch(e) {

       do_throw("Failed: " + e);

     }

     do_test_finished();

   });

 }

 function actualTest() {

   // Test the module logic

   let tmp = {};

   Cu.import("resource://gre/modules/TelemetryTimestamps.jsm", tmp);

   let TelemetryTimestamps = tmp.TelemetryTimestamps;

   let now = Date.now();

   TelemetryTimestamps.add("foo");

   do_check_true(TelemetryTimestamps.get().foo != null); // foo was added

   do_check_true(TelemetryTimestamps.get().foo >= now); // foo has a reasonable value

   // Add timestamp with value

   // Use a value far in the future since TelemetryPing substracts the time of

   // process initialization.

   const YEAR_4000_IN_MS = 64060588800000;

   TelemetryTimestamps.add("bar", YEAR_4000_IN_MS);

   do_check_eq(TelemetryTimestamps.get().bar, YEAR_4000_IN_MS); // bar has the right value

   // Can't add the same timestamp twice

   TelemetryTimestamps.add("bar", 2);

   do_check_eq(TelemetryTimestamps.get().bar, YEAR_4000_IN_MS); // bar wasn't overwritten

   let threw = false;

   try {

     TelemetryTimestamps.add("baz", "this isn't a number");

   } catch (ex) {

     threw = true;

   }

   do_check_true(threw); // adding non-number threw

   do_check_null(TelemetryTimestamps.get().baz); // no baz was added

   // Test that the data gets added to the telemetry ping properly

   let simpleMeasurements = getSimpleMeasurementsFromTelemetryPing();

   do_check_true(simpleMeasurements != null); // got simple measurements from ping data

   do_check_true(simpleMeasurements.foo > 1); // foo was included

   do_check_true(simpleMeasurements.bar > 1); // bar was included

   do_check_null(simpleMeasurements.baz); // baz wasn't included since it wasn't added

 }