js/xpconnect/tests/chrome/test_bug812415.xul

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1 <?xml version="1.0"?>
2 <?xml-stylesheet type="text/css" href="chrome://global/skin"?>
3 <?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
4 <!--
5 https://bugzilla.mozilla.org/show_bug.cgi?id=812415
6 -->
7 <window title="Mozilla Bug 812415"
8 xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
9 <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
10
11 <!-- test results are displayed in the html:body -->
12 <body xmlns="http://www.w3.org/1999/xhtml">
13 <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=812415"
14 target="_blank">Mozilla Bug 812415</a>
15 </body>
16
17 <!-- test code goes here -->
18 <script type="application/javascript">
19 <![CDATA[
20 /** Test for Bug 812415 and Bug 823348 **/
21
22 const Cu = Components.utils;
23 SimpleTest.waitForExplicitFinish();
24
25 function testWaiving(iwin, sb) {
26 sb.win = iwin;
27 is(Cu.evalInSandbox('win', sb), iwin, "Basic identity works");
28 is(Cu.evalInSandbox('win.wrappedJSObject', sb), iwin.wrappedJSObject, "Waivers work via .wrappedJSObject");
29 is(Cu.evalInSandbox('XPCNativeWrapper.unwrap(win)', sb), iwin.wrappedJSObject, "Waivers work via XPCNativeWrapper.unwrap");
30 is(Cu.evalInSandbox('win.wrappedJSObject.document', sb), iwin.document.wrappedJSObject, "Waivers are deep");
31 }
32
33 function checkThrows(expression, sb, msg) {
34 var result = Cu.evalInSandbox('(function() { try { ' + expression + '; return "allowed"; } catch (e) { return e.toString(); }})();', sb);
35 ok(!!/denied/.exec(result), msg);
36 }
37
38 function testAsymmetric(regular, expanded) {
39
40 // Set up objects.
41 expanded.regFun = Cu.evalInSandbox('function reg() { return 42; }; reg', regular);
42 expanded.regObj = Cu.evalInSandbox('new Object({foo: 2})', regular);
43 regular.expFun = Cu.evalInSandbox('function exp() { return 41; }; exp', expanded);
44 regular.expObj = Cu.evalInSandbox('new Object({bar: 3})', expanded);
45
46 // Check objects.
47 is(Cu.evalInSandbox('regObj.foo', expanded), 2, "Expanded can see regular object prop");
48 checkThrows('expObj.bar', regular, "Regular shouldn't read properties");
49 Cu.evalInSandbox('regObj.foo = 20', expanded);
50 is(expanded.regObj.foo, 20, "Expanded can set properties");
51 checkThrows('expFun.bar = 0', regular, "Regular shouldn't write properties");
52
53 // Check functions.
54 is(Cu.evalInSandbox('regFun()', expanded), 42, "Expanded can call regular function");
55 checkThrows('expFun()', regular, "Regular cannot call expanded function");
56 is(Cu.evalInSandbox('regFun.name', expanded), 'reg', "Expanded can see regular function's name");
57 checkThrows('expFun.name', regular, "Regular can't see expanded function's name");
58 Cu.evalInSandbox('regFun.expando = 30', expanded);
59 is(expanded.regFun.expando, 30, "Expanded can set expandos");
60 checkThrows('expFun.expando = 29', regular, "Regular can't set expandos");
61
62 // Check __proto__ stuff.
63 is(Cu.evalInSandbox('regFun.__proto__', expanded), regular.Function.prototype, "expanded can get __proto__");
64 checkThrows('expFun.__proto__', regular, "regular can't use __proto__");
65 checkThrows('expFun.__proto__ = {}', regular, "regular can't mutate __proto__");
66 }
67
68 function go() {
69 var iwin = document.getElementById('ifr').contentWindow;
70
71 // Make our sandboxes. We pass wantXrays=false for the nsEP to ensure that
72 // the Xrays we get are the result of being an nsEP, not from the wantXrays
73 // flag.
74 var regular = new Components.utils.Sandbox(iwin);
75 var expanded = new Components.utils.Sandbox([iwin], {wantXrays: false});
76
77 // Because of the crazy secret life of wantXrays, passing wantXrays=false
78 // has the side effect of waiving Xrays on the returned sandbox. Undo that.
79 expanded = XPCNativeWrapper(expanded);
80
81 testWaiving(iwin, regular);
82 testWaiving(iwin, expanded);
83 testAsymmetric(regular, expanded);
84 SimpleTest.finish();
85 }
86
87 ]]>
88 </script>
89 <iframe id="ifr" onload="go();" src="http://example.org/tests/js/xpconnect/tests/mochitest/file_empty.html" />
90 </window>

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