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<!DOCTYPE HTML>
<html>
<head>
  <title>Bug 982726 - Test service worker post message </title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test"></pre>
<script src="utils.js"></script>
<script class="testbody" type="text/javascript">
  var registration;
  function start() {
    return navigator.serviceWorker.register("gzip_redirect_worker.js",
                                            { scope: "./sw_clients/" })
      .then((swr) => {
        registration = swr;
        return waitForState(swr.installing, 'activated', swr);
      });
  }

  function unregister() {
    return registration.unregister().then(function(result) {
      ok(result, "Unregister should return true.");
    }, function(e) {
      dump("Unregistering the SW failed with " + e + "\n");
    });
  }


  function testGzipRedirect(swr) {
    var p = new Promise(function(res, rej) {
      var navigatorReady = false;
      var finalReady = false;

      window.onmessage = function(e) {
        if (e.data === "NAVIGATOR_READY") {
          ok(!navigatorReady, "should only get navigator ready message once");
          ok(!finalReady, "should get navigator ready before final redirect ready message");
          navigatorReady = true;
          iframe.contentWindow.postMessage({
            type: "NAVIGATE",
            url: "does_not_exist.html"
          }, "*");
        } else if (e.data === "READY") {
          ok(navigatorReady, "should only get navigator ready message once");
          ok(!finalReady, "should get final ready message only once");
          finalReady = true;
          res();
        }
      }
    });

    var content = document.getElementById("content");
    ok(content, "Parent exists.");

    iframe = document.createElement("iframe");
    iframe.setAttribute('src', "sw_clients/navigator.html");
    content.appendChild(iframe);

    return p.then(() => content.removeChild(iframe));
  }

  function runTest() {
    start()
      .then(testGzipRedirect)
      .then(unregister)
      .catch(function(e) {
        ok(false, "Some test failed with error " + e);
      }).then(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>
