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<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Test Adding and Removing Alarms with Alarm API</title>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test">
  <script type="application/javascript">

  "use strict";

  function checkNumberOfAlarms(n, cbk) {
    var domRequest;
    try {
      domRequest = navigator.mozAlarms.getAll();
    } catch (e) {
      ok(false,
         "Unexpected exception trying to get all alarms.");
      return cbk();
    }
    domRequest.onsuccess = function(e) {
      ok(e.target.result.length === n, "Correct number of alarms set.");
      cbk();
    }
  }

  // Add alarm and then remove it
  function testAddRemove() {
    var tomorrow = new Date();
    tomorrow.setDate(tomorrow.getDate() + 1);

    var domRequest;
    try {
      domRequest = navigator.mozAlarms.getAll();
    } catch (e) {
      ok(false,
         "Unexpected exception trying to get all alarms.");

      return SimpleTest.finish();
    }
    domRequest.onsuccess = function(e) {
      var initialAlarmsN = e.target.result.length;

      var dr;
      try {
        dr = navigator.mozAlarms.add(tomorrow, "honorTimezone", null);
      } catch (e) {
        ok(false,
           "Unexpected exception trying add alarm.");

        return SimpleTest.finish();
      }
      dr.onsuccess = function(ev) {
        var alarmId = ev.target.result;

        checkNumberOfAlarms(initialAlarmsN + 1, function() {
          navigator.mozAlarms.remove(alarmId);

          checkNumberOfAlarms(initialAlarmsN, function() {
            SimpleTest.finish();
          });
        });
      }

    }

  }

  function startTests() {
    SpecialPowers.pushPrefEnv({
      "set": [["dom.mozAlarms.enabled", true]]
    }, function() {
      var isAllowedToTest = true;

      if (navigator.appVersion.indexOf("Android") !== -1) {
        ok(true, "mozAlarms is not allowed on Android for now. " +
                 "TODO Bug 863557.");
        isAllowedToTest = false;
      } else if (SpecialPowers.wrap(document).nodePrincipal.appStatus ==
                 SpecialPowers.Ci.nsIPrincipal.APP_STATUS_NOT_INSTALLED) {
        ok(true, "mozAlarms is not allowed for non-installed apps. " +
                 "TODO Bug 876981.");
        isAllowedToTest = false;
      }

      if (isAllowedToTest) {
        ok(true, "Start to test...");
        testAddRemove();
      } else {
        // A sanity check to make sure we must run tests on Firefox OS (B2G).
        if (navigator.userAgent.indexOf("Mobile") != -1 &&
            navigator.appVersion.indexOf("Android") == -1) {
          ok(false, "Should run the test on Firefox OS (B2G)!");
        }

        SimpleTest.finish();
      }
    });
  }

  SimpleTest.expectAssertions(0, 9);
  SimpleTest.waitForExplicitFinish();
  if (SpecialPowers.hasPermission("alarms", document)) {
    startTests();
  } else {
    // Add the permission and reload so it's propogated
    SpecialPowers.addPermission("alarms", true, document);
    window.location.reload();
  }
  </script>
</pre>
</body>
</html>