toolkit/devtools/server/tests/mochitest/test_makeGlobalObjectReference.html

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 <!DOCTYPE HTML>
michael@0 2 <html>
michael@0 3 <!--
michael@0 4 https://bugzilla.mozilla.org/show_bug.cgi?id=914405
michael@0 5
michael@0 6 Debugger.prototype.makeGlobalObjectReference should dereference WindowProxy
michael@0 7 (outer window) objects.
michael@0 8 -->
michael@0 9 <head>
michael@0 10 <meta charset="utf-8">
michael@0 11 <title>Mozilla Bug 914405</title>
michael@0 12 <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
michael@0 13 <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
michael@0 14 </head>
michael@0 15 <body>
michael@0 16 <pre id="test">
michael@0 17 <script>
michael@0 18
michael@0 19 Components.utils.import("resource://gre/modules/jsdebugger.jsm");
michael@0 20 addDebuggerToGlobal(this);
michael@0 21
michael@0 22 window.onload = function () {
michael@0 23 SimpleTest.waitForExplicitFinish();
michael@0 24
michael@0 25 var iframe = document.createElement("iframe");
michael@0 26 iframe.src = "data:text/html,<html>The word 'smorgasbord', spoken by an adorably plump child, symbolizing prosperity</html>";
michael@0 27 iframe.onload = iframeOnLoad;
michael@0 28 document.body.appendChild(iframe);
michael@0 29
michael@0 30 function iframeOnLoad() {
michael@0 31 var dbg = new Debugger;
michael@0 32
michael@0 33 var g1o = iframe.contentWindow; // 'o' for 'outer window'
michael@0 34 ok(!dbg.hasDebuggee(g1o), "iframe is not initially a debuggee");
michael@0 35
michael@0 36 // Like addDebuggee, makeGlobalObjectReference innerizes.
michael@0 37 // 'i' stands for 'inner window'.
michael@0 38 // 'DO' stands for 'Debugger.Object'.
michael@0 39 var g1iDO = dbg.makeGlobalObjectReference(g1o);
michael@0 40 ok(!dbg.hasDebuggee(g1o), "makeGlobalObjectReference does not add g1 as debuggee, designated via outer");
michael@0 41 ok(!dbg.hasDebuggee(g1iDO), "makeGlobalObjectReference does not add g1 as debuggee, designated via D.O ");
michael@0 42
michael@0 43 // Wrapping an object automatically outerizes it, so dereferencing an
michael@0 44 // inner object D.O gets you an outer object.
michael@0 45 // ('===' does distinguish inner and outer objects.)
michael@0 46 // (That's a capital '=', if you must know.)
michael@0 47 ok(g1iDO.unsafeDereference() === g1o, "g1iDO has the right referent");
michael@0 48
michael@0 49 // However, Debugger.Objects do distinguish inner and outer windows.
michael@0 50 var g1oDO = g1iDO.makeDebuggeeValue(g1o);
michael@0 51 ok(g1iDO !== g1oDO, "makeDebuggeeValue doesn't innerize");
michael@0 52 ok(g1iDO.unsafeDereference() === g1oDO.unsafeDereference(),
michael@0 53 "unsafeDereference() outerizes, so inner and outer window D.Os both dereference to outer");
michael@0 54
michael@0 55 ok(dbg.addDebuggee(g1o) === g1iDO, "addDebuggee returns the inner window's D.O");
michael@0 56 ok(dbg.hasDebuggee(g1o), "addDebuggee adds the correct global");
michael@0 57 ok(dbg.hasDebuggee(g1iDO), "hasDebuggee can take a D.O referring to the inner window");
michael@0 58 ok(dbg.hasDebuggee(g1oDO), "hasDebuggee can take a D.O referring to the outer window");
michael@0 59
michael@0 60 var iframe2 = document.createElement("iframe");
michael@0 61 iframe2.src = "data:text/html,<html>Her retrospection, in hindsight, was prescient.</html>";
michael@0 62 iframe2.onload = iframe2OnLoad;
michael@0 63 document.body.appendChild(iframe2);
michael@0 64
michael@0 65 function iframe2OnLoad() {
michael@0 66 // makeGlobalObjectReference dereferences CCWs.
michael@0 67 var g2o = iframe2.contentWindow;
michael@0 68 g2o.g1o = g1o;
michael@0 69
michael@0 70 var g2iDO = dbg.addDebuggee(g2o);
michael@0 71 var g2g1oDO = g2iDO.getOwnPropertyDescriptor('g1o').value;
michael@0 72 ok(g2g1oDO !== g1oDO, "g2's cross-compartment wrapper for g1o gets its own D.O");
michael@0 73 ok(g2g1oDO.unwrap() === g1oDO,
michael@0 74 "unwrapping g2's cross-compartment wrapper for g1o gets the right D.O");
michael@0 75 ok(dbg.makeGlobalObjectReference(g2g1oDO) === g1iDO,
michael@0 76 "makeGlobalObjectReference unwraps cross-compartment wrappers, and innerizes");
michael@0 77
michael@0 78 SimpleTest.finish();
michael@0 79 }
michael@0 80 }
michael@0 81 }
michael@0 82
michael@0 83 </script>
michael@0 84 </pre>
michael@0 85 </body>
michael@0 86 </html>

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