test_bug1266815.html

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<!DOCTYPE html>

<html>

<head>

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css" />

</head>

<body>

<p id="display"></p>

<script type="text/javascript">

// XXX(nika): Why are we using SpecialPowers here? If we're a chrome mochitest

// can't we avoid using the SpecialPowers wrappers?

const Cc = SpecialPowers.Cc;

const Ci = SpecialPowers.Ci;

const Cu = SpecialPowers.Cu;

const { ComponentUtils } = ChromeUtils.importESModule(

  "resource://gre/modules/ComponentUtils.sys.mjs"

);

const HELPERAPP_DIALOG_CID =

        SpecialPowers.wrap(SpecialPowers.Components)

        .ID(Cc["@mozilla.org/helperapplauncherdialog;1"].number);

const HELPERAPP_DIALOG_CONTRACT_ID = "@mozilla.org/helperapplauncherdialog;1";

const MOCK_HELPERAPP_DIALOG_CID =

        SpecialPowers.wrap(SpecialPowers.Components)

        .ID("{391832c8-5232-4676-b838-cc8ad373f3d8}");

var registrar = SpecialPowers.wrap(Components).manager

                .QueryInterface(Ci.nsIComponentRegistrar);

const HandlerService = Cc[

  "@mozilla.org/uriloader/handler-service;1"

].getService(Ci.nsIHandlerService);

const MIMEService = Cc["@mozilla.org/mime;1"].getService(Ci.nsIMIMEService);

var helperAppDlgPromise = new Promise(function(resolve) {

  var mockHelperAppService;

  function HelperAppLauncherDialog() {

  HelperAppLauncherDialog.prototype = {

    show() {

      ok(true, "Whether showing Dialog");

      resolve();

      registrar.unregisterFactory(MOCK_HELPERAPP_DIALOG_CID,

                                  mockHelperAppService);

},

    QueryInterface: ChromeUtils.generateQI(["nsIHelperAppLauncherDialog"]),

};

  mockHelperAppService = ComponentUtils.generateSingletonFactory(HelperAppLauncherDialog);

  registrar.registerFactory(MOCK_HELPERAPP_DIALOG_CID, "",

                            HELPERAPP_DIALOG_CONTRACT_ID,

                            mockHelperAppService);

});

add_task(async function() {

  // ensure the download triggers the external app dialog

  const mimeInfo = MIMEService.getFromTypeAndExtension("application/octet-stream", "");

  mimeInfo.alwaysAskBeforeHandling = true;

  HandlerService.store(mimeInfo);

  SimpleTest.registerCleanupFunction(() => {

    HandlerService.remove(mimeInfo);

});

  let promise = new Promise(function(resolve) {

    let iframe = document.createElement("iframe");

    iframe.onload = function() {

      is(iframe.contentDocument.getElementById("edit").innerText, "abc",

         "load iframe source");

      resolve();

};

    iframe.id = "testframe";

    iframe.src = "data:text/html,<div id=edit contenteditable=true>abc</div>";

    document.body.appendChild(iframe);

});

  await promise;

  let iframe = document.getElementById("testframe");

  let docShell = SpecialPowers.wrap(iframe.contentWindow).docShell;

  ok(docShell.hasEditingSession, "Should have editing session");

  document.getElementById("testframe").src =

    "data:application/octet-stream,TESTCONTENT";

  await helperAppDlgPromise;

  ok(docShell.hasEditingSession, "Should have editing session");

});

</script>

</body>

</html>