dom/workers/test/test_suspend.html

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/workers/test/test_suspend.html	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,148 @@
     1.4 +<!--
     1.5 +  Any copyright is dedicated to the Public Domain.
     1.6 +  http://creativecommons.org/publicdomain/zero/1.0/
     1.7 +-->
     1.8 +<!DOCTYPE HTML>
     1.9 +<html>
    1.10 +<head>
    1.11 +  <meta charset="utf-8">
    1.12 +  <title>Test for DOM Worker Threads</title>
    1.13 +  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
    1.14 +  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
    1.15 +</head>
    1.16 +<body>
    1.17 +<p id="display"></p>
    1.18 +<div id="content" style="display: none"></div>
    1.19 +<pre id="test">
    1.20 +<iframe id="workerFrame" src="suspend_iframe.html" onload="subframeLoaded();">
    1.21 +</iframe>
    1.22 +<script class="testbody" type="text/javascript">
    1.23 +
    1.24 +  SimpleTest.waitForExplicitFinish();
    1.25 +
    1.26 +  var iframe;
    1.27 +  var lastCount;
    1.28 +
    1.29 +  var suspended = false;
    1.30 +  var resumed = false;
    1.31 +  var finished = false;
    1.32 +
    1.33 +  var interval;
    1.34 +  var oldMessageCount;
    1.35 +  var waitCount = 0;
    1.36 +
    1.37 +  function setCachePref(enabled) {
    1.38 +    var prefBranch = SpecialPowers.Cc["@mozilla.org/preferences-service;1"]
    1.39 +                                  .getService(SpecialPowers.Ci.nsIPrefBranch);
    1.40 +    if (enabled) {
    1.41 +      prefBranch.setBoolPref("browser.sessionhistory.cache_subframes", true);
    1.42 +    }
    1.43 +    else {
    1.44 +      try {
    1.45 +        prefBranch.clearUserPref("browser.sessionhistory.cache_subframes");
    1.46 +      } catch (e) { /* Pref didn't exist, meh */ }
    1.47 +    }
    1.48 +  }
    1.49 +
    1.50 +  function finishTest() {
    1.51 +    if (finished) {
    1.52 +      return;
    1.53 +    }
    1.54 +    finished = true;
    1.55 +    setCachePref(false);
    1.56 +    iframe.terminateWorker();
    1.57 +    SimpleTest.finish();
    1.58 +  }
    1.59 +
    1.60 +  function waitInterval() {
    1.61 +    if (finished) {
    1.62 +      return;
    1.63 +    }
    1.64 +    is(iframe.location, "about:blank", "Wrong url!");
    1.65 +    is(suspended, true, "Not suspended?");
    1.66 +    is(resumed, false, "Already resumed?!");
    1.67 +    is(lastCount, oldMessageCount, "Received a message while suspended!");
    1.68 +    if (++waitCount == 5) {
    1.69 +      clearInterval(interval);
    1.70 +      resumed = true;
    1.71 +      iframe.history.back();
    1.72 +    }
    1.73 +  }
    1.74 +
    1.75 +  function badOnloadCallback() {
    1.76 +    if (finished) {
    1.77 +      return;
    1.78 +    }
    1.79 +    ok(false, "We don't want suspend_iframe.html to fire a new load event, we want it to come out of the bfcache!");
    1.80 +    finishTest();
    1.81 +  }
    1.82 +
    1.83 +  function suspendCallback() {
    1.84 +    if (finished) {
    1.85 +      return;
    1.86 +    }
    1.87 +    is(iframe.location, "about:blank", "Wrong url!");
    1.88 +    is(suspended, false, "Already suspended?");
    1.89 +    is(resumed, false, "Already resumed?");
    1.90 +    setCachePref(false);
    1.91 +    suspended = true;
    1.92 +    var iframeElement = document.getElementById("workerFrame");
    1.93 +    iframeElement.onload = badOnloadCallback;
    1.94 +    oldMessageCount = lastCount;
    1.95 +    interval = setInterval(waitInterval, 1000);
    1.96 +  }
    1.97 +
    1.98 +  function messageCallback(data) {
    1.99 +    if (finished) {
   1.100 +      return;
   1.101 +    }
   1.102 +
   1.103 +    if (!suspended) {
   1.104 +      ok(lastCount === undefined || lastCount == data - 1,
   1.105 +         "Got good data, lastCount = " + lastCount + ", data = " + data);
   1.106 +      lastCount = data;
   1.107 +      if (lastCount == 25) {
   1.108 +        setCachePref(true);
   1.109 +        iframe.location = "about:blank";
   1.110 +        // We want suspend_iframe.html to go into bfcache, so we need to flush
   1.111 +        // out all pending notifications. Otherwise, if they're flushed too
   1.112 +        // late, they could kick us out of the bfcache again.
   1.113 +        iframe.document.body.offsetTop;
   1.114 +      }
   1.115 +      return;
   1.116 +    }
   1.117 +
   1.118 +    var newLocation =
   1.119 +      window.location.toString().replace("test_suspend.html",
   1.120 +                                         "suspend_iframe.html");
   1.121 +    is(newLocation.indexOf(iframe.location.toString()), 0, "Wrong url!");
   1.122 +    is(resumed, true, "Got message before resumed!");
   1.123 +    is(lastCount, data - 1, "Missed a message, suspend failed!");
   1.124 +    finishTest();
   1.125 +  }
   1.126 +
   1.127 +  function errorCallback(data) {
   1.128 +    if (finished) {
   1.129 +      return;
   1.130 +    }
   1.131 +    ok(false, "Iframe had an error: '" + data + "'");
   1.132 +    finishTest();
   1.133 +  }
   1.134 +
   1.135 +  function subframeLoaded() {
   1.136 +    if (finished) {
   1.137 +      return;
   1.138 +    }
   1.139 +    var iframeElement = document.getElementById("workerFrame");
   1.140 +    iframeElement.onload = suspendCallback;
   1.141 +
   1.142 +    iframe = iframeElement.contentWindow;
   1.143 +    ok(iframe, "No iframe?!");
   1.144 +
   1.145 +    iframe.startWorker(messageCallback, errorCallback);
   1.146 +  }
   1.147 +
   1.148 +</script>
   1.149 +</pre>
   1.150 +</body>
   1.151 +</html>

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