<!--
  Any copyright is dedicated to the Public Domain.
  http://creativecommons.org/publicdomain/zero/1.0/
-->
<!DOCTYPE HTML>
<html>
<head>
  <title>Bug 982728 - Test ServiceWorkerGlobalScope.unregister</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<div id="container"></div>
<script class="testbody" type="text/javascript">

  function simpleRegister() {
    return navigator.serviceWorker.register("worker_unregister.js", { scope: "unregister/" }).then(function(swr) {
      if (swr.installing) {
        return new Promise(function(resolve, reject) {
          swr.installing.onstatechange = function(e) {
            if (swr.waiting) {
              swr.waiting.onstatechange = function(event) {
                if (swr.active) {
                  resolve();
                } else if (swr.waiting && swr.waiting.state == "redundant") {
                  reject("Should not go into redundant");
                }
              }
            } else {
              if (swr.active) {
                resolve();
              } else {
                reject("No waiting and no active!");
              }
            }
          }
        });
      } else {
        return Promise.reject("Installing should be non-null");
      }
    });
  }

  function waitForMessages(sw) {
    var p = new Promise(function(resolve, reject) {
      window.onmessage = function(e) {
        if (e.data === "DONE") {
          ok(true, "The worker has unregistered itself");
        } else if (e.data === "ERROR") {
          ok(false, "The worker has unregistered itself");
        } else if (e.data === "FINISH") {
          resolve();
        }
      }
    });

    var frame = document.createElement("iframe");
    frame.setAttribute("src", "unregister/unregister.html");
    document.body.appendChild(frame);

    return p;
  }

  function runTest() {
    simpleRegister().then(waitForMessages).catch(function(e) {
      ok(false, "Something went wrong.");
    }).then(function() {
      SimpleTest.finish();
    });
  }

  SimpleTest.waitForExplicitFinish();
  SpecialPowers.pushPrefEnv({"set": [
    ["dom.serviceWorkers.exemptFromPerDomainMax", true],
    ["dom.serviceWorkers.enabled", true],
    ["dom.serviceWorkers.testing.enabled", true]
  ]}, runTest);
</script>
</pre>
</body>
</html>
