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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=914405
Debugger.prototype.makeGlobalObjectReference should dereference WindowProxy
(outer window) objects.
-->
<head>
<meta charset="utf-8">
<title>Mozilla Bug 914405</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 = "data:text/html,<html>The word 'smorgasbord', spoken by an adorably plump child, symbolizing prosperity</html>";
iframe.onload = iframeOnLoad;
document.body.appendChild(iframe);
function iframeOnLoad() {
var dbg = new Debugger;
var g1o = iframe.contentWindow; // 'o' for 'outer window'
ok(!dbg.hasDebuggee(g1o), "iframe is not initially a debuggee");
// Like addDebuggee, makeGlobalObjectReference innerizes.
// 'i' stands for 'inner window'.
// 'DO' stands for 'Debugger.Object'.
var g1iDO = dbg.makeGlobalObjectReference(g1o);
ok(!dbg.hasDebuggee(g1o), "makeGlobalObjectReference does not add g1 as debuggee, designated via outer");
ok(!dbg.hasDebuggee(g1iDO), "makeGlobalObjectReference does not add g1 as debuggee, designated via D.O ");
// Wrapping an object automatically outerizes it, so dereferencing an
// inner object D.O gets you an outer object.
// ('===' does distinguish inner and outer objects.)
// (That's a capital '=', if you must know.)
ok(g1iDO.unsafeDereference() === g1o, "g1iDO has the right referent");
// However, Debugger.Objects do distinguish inner and outer windows.
var g1oDO = g1iDO.makeDebuggeeValue(g1o);
ok(g1iDO !== g1oDO, "makeDebuggeeValue doesn't innerize");
ok(g1iDO.unsafeDereference() === g1oDO.unsafeDereference(),
"unsafeDereference() outerizes, so inner and outer window D.Os both dereference to outer");
ok(dbg.addDebuggee(g1o) === g1iDO, "addDebuggee returns the inner window's D.O");
ok(dbg.hasDebuggee(g1o), "addDebuggee adds the correct global");
ok(dbg.hasDebuggee(g1iDO), "hasDebuggee can take a D.O referring to the inner window");
ok(dbg.hasDebuggee(g1oDO), "hasDebuggee can take a D.O referring to the outer window");
var iframe2 = document.createElement("iframe");
iframe2.src = "data:text/html,<html>Her retrospection, in hindsight, was prescient.</html>";
iframe2.onload = iframe2OnLoad;
document.body.appendChild(iframe2);
function iframe2OnLoad() {
// makeGlobalObjectReference dereferences CCWs.
var g2o = iframe2.contentWindow;
g2o.g1o = g1o;
var g2iDO = dbg.addDebuggee(g2o);
var g2g1oDO = g2iDO.getOwnPropertyDescriptor('g1o').value;
ok(g2g1oDO !== g1oDO, "g2's cross-compartment wrapper for g1o gets its own D.O");
ok(g2g1oDO.unwrap() === g1oDO,
"unwrapping g2's cross-compartment wrapper for g1o gets the right D.O");
ok(dbg.makeGlobalObjectReference(g2g1oDO) === g1iDO,
"makeGlobalObjectReference unwraps cross-compartment wrappers, and innerizes");
SimpleTest.finish();
}
}
}
</script>
</pre>
</body>
</html>
|
