test_bug1146116.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=1146116

-->

<head>

  <title>Test for Bug 1146116</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

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

</head>

<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1146116">Mozilla Bug 1146116</a>

<p id="display">

  <input type="file" id="file">

</p>

<div id="content" style="display: none">

</div>

<pre id="test">

<script class="testbody" type="text/javascript">

/** Test for bug 1146116 **/

SimpleTest.waitForExplicitFinish();

const helperURL = SimpleTest.getTestFileURL("simpleFileOpener.js");

const helper = SpecialPowers.loadChromeScript(helperURL);

helper.addMessageListener("fail", function onFail(message) {

  is(message, null, "chrome script failed");

  SimpleTest.finish();

});

helper.addMessageListener("file.opened", onFileOpened);

helper.sendAsyncMessage("file.open", "test_bug1146116.txt");

function getGlobal(thing) {

  return SpecialPowers.unwrap(SpecialPowers.Cu.getGlobalForObject(thing));

function onFileOpened(message) {

  const file = message.domFile;

  const elem = document.getElementById("file");

  is(getGlobal(elem), window,

     "getGlobal() works as expected");

  is(getGlobal(file), window,

     "File from MessageManager is not wrapped");

  SpecialPowers.wrap(elem).mozSetFileArray([file]);

  is(getGlobal(elem.files[0]), window,

     "File read back from input element is not wrapped");

  helper.addMessageListener("file.removed", onFileRemoved);

  helper.sendAsyncMessage("file.remove", null);

function onFileRemoved() {

  helper.destroy();

  SimpleTest.finish();

</script>

</pre>

</body>

</html>