widget/tests/test_bug565392.html
author Jan de Mooij <jdemooij@mozilla.com>
Sat, 12 Jan 2019 10:50:04 +0000
changeset 453631 cfa1c48c717048f00eb4811b5719cd716eb1e5b3
parent 447250 7e2c0177115a4620627a9c15027e960116c0c394
child 459392 0e0638c8ef27dea641754aae390213e829eb71f3
permissions -rw-r--r--
Bug 1518753 part 5 - Stop using JSProtoKey for initial shapes. r=tcampbell I added this optimization in bug 1299107 to share more shapes across compartments. Unfortunately this doesn't play well with same-compartment realms (ICs can misbehave) because it relies on compartments being isolated from each other. I think we should remove this optimization: * Fixing the IC issue is impossible without deoptimizing everything. * I added it mainly for chrome globals. The shared-JSM-global work has eliminated the need for this there. * Same-compartment realms win memory back by eliminating CCWs etc. * It's quite a lot of complicated code. Differential Revision: https://phabricator.services.mozilla.com/D16170

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=565392
-->
<head>
  <title>Test for Bug 565392</title>
  <script type="application/javascript" 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>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=565392">Mozilla Bug 565392</a>
<p id="display"></p>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 565392 **/

  var ds = Cc["@mozilla.org/file/directory_service;1"]
             .getService(Ci.nsIProperties);
  var dir1 = ds.get("ProfD", Ci.nsIFile);
  var clipboard = Cc["@mozilla.org/widget/clipboard;1"]
                    .getService(Ci.nsIClipboard);
  
  function getLoadContext() {
    return window.docShell.QueryInterface(Ci.nsILoadContext);
  }

  function getTransferableFile(file) {
    var transferable = Cc['@mozilla.org/widget/transferable;1']
                         .createInstance(Ci.nsITransferable);
    transferable.init(getLoadContext());
    transferable.setTransferData("application/x-moz-file", file);
    return transferable;
  }

  function setClipboardData(transferable) {
    clipboard.setData(transferable, null, 1);
  }
  
  function getClipboardData(mime) {
    var transferable = Cc['@mozilla.org/widget/transferable;1']
                         .createInstance(Ci.nsITransferable);
    transferable.init(getLoadContext());
    transferable.addDataFlavor(mime);
    clipboard.getData(transferable, 1);
    var data = {};
    transferable.getTransferData(mime, data);
    return data;
  }

setClipboardData(getTransferableFile(dir1))
is(clipboard.hasDataMatchingFlavors(["application/x-moz-file"], 1,1), true);
var data = getClipboardData("application/x-moz-file");
var file = data.value.QueryInterface(Ci.nsIFile);
ok(file.isDirectory(), true);
is(file.target, dir1.target, true);

</script>
</pre>
</body>
</html>