<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=837723 When we use Debugger.Object.prototype.unsafeDereference to get a non-D.O reference to a content object in chrome, that reference should be via an xray wrapper. --> <head> <meta charset="utf-8"> <title>Mozilla Bug 837723</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> <pre id="test"> <script> Components.utils.import("resource://gre/modules/jsdebugger.jsm"); addDebuggerToGlobal(this); window.onload = function () { SimpleTest.waitForExplicitFinish(); var iframe = document.createElement("iframe"); iframe.src = "http://mochi.test:8888/chrome/devtools/server/tests/mochitest/nonchrome_unsafeDereference.html"; iframe.onload = function () { var dbg = new Debugger; var contentDO = dbg.addDebuggee(iframe.contentWindow); var xhrDesc = contentDO.getOwnPropertyDescriptor('xhr'); isnot(xhrDesc, undefined, "xhr should be visible as property of content global"); isnot(xhrDesc.value, undefined, "xhr should have a value"); var xhr = xhrDesc.value.unsafeDereference(); is(typeof xhr, "object", "we should be able to deference xhr's value's D.O"); is(xhr.timeout, 1742, "chrome should see the xhr's 'timeout' property"); is(xhr.expando, undefined, "chrome should not see the xhr's 'expando' property"); SimpleTest.finish(); } document.body.appendChild(iframe); } </script> </pre> </body> </html>