gecko/widget/tests/test_bug1123480.xul

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<?xml version="1.0"?>
<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
<?xml-stylesheet type="text/css" href="/tests/SimpleTest/test.css"?>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480
-->
<window title="Mozilla Bug 1123480"
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
onload="RunTest();">
<title>nsTransferable PBM Overflow Selection Test</title>
<script type="application/javascript"
src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
<script type="application/javascript">
<![CDATA[
// Boilerplate constructs
var SmallDataset = 100000; // Hundred thousand bytes
// Create 1 Mo of sample garbage text
var Ipsum = ""; // Select text from this
for (var Iter = 0; Iter < SmallDataset; Iter++) {
Ipsum += Math.random().toString(36) + ' ';
}
function RunTest() {
// Construct a nsIFile object for access to file methods
Components.utils.import("resource://gre/modules/FileUtils.jsm");
var clipboardFile = FileUtils.getFile("TmpD", ["clipboardcache"]);
// Sanitize environment
if (clipboardFile.exists()) {
clipboardFile.remove(false);
}
ok(!clipboardFile.exists(), "failed to presanitize the environment");
// Overflow a nsTransferable region by using the clipboard helper
const gClipboardHelper = Components.classes["@mozilla.org/widget/clipboardhelper;1"].getService(Components.interfaces.nsIClipboardHelper);
gClipboardHelper.copyString(Ipsum);
// Disabled private browsing mode should cache large selections to disk
ok(clipboardFile.exists(), "correctly saved memory by caching to disk");
// Sanitize environment again
if (clipboardFile.exists()) {
clipboardFile.remove(false);
}
ok(!clipboardFile.exists(), "failed to postsanitize the environment");
// Repeat procedure of plain text selection with private browsing enabled
Components.utils.import("resource://gre/modules/PrivateBrowsingUtils.jsm");
var Winpriv = window.open("about:blank", "_blank", "chrome, width=500, height=200, private");
ok(Winpriv, "failed to open private window");
ok(PrivateBrowsingUtils.isContentWindowPrivate(Winpriv), "correctly used a private window context");
// Select plaintext in private channel
Components.utils.import('resource://gre/modules/Services.jsm');
const nsTransferable = Components.Constructor("@mozilla.org/widget/transferable;1", "nsITransferable");
const nsSupportsString = Components.Constructor("@mozilla.org/supports-string;1", "nsISupportsString");
var Loadctx = PrivateBrowsingUtils.privacyContextFromWindow(Winpriv);
var Transfer = nsTransferable();
var Suppstr = nsSupportsString();
Suppstr.data = Ipsum;
Transfer.init(Loadctx);
Transfer.addDataFlavor("text/plain");
Transfer.setTransferData("text/plain", Suppstr, Ipsum.length);
Services.clipboard.setData(Transfer, null, Services.clipboard.kGlobalClipboard);
// Enabled private browsing mode should not cache any selection to disk
ok(!clipboardFile.exists(), "did not violate private browsing mode");
}
]]>
</script>
<!-- test results are displayed in the html:body -->
<body xmlns="http://www.w3.org/1999/xhtml">
<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1123480"
target="_blank">Mozilla Bug 1123480</a>
</body>
</window>