gecko-dev/js/xpconnect/tests/chrome/test_wrappers-2.xul

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<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
type="text/css"?>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=500931
-->
<window title="Mozilla Bug 500931"
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<script type="application/javascript"
src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></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=403005"
target="_blank">Mozilla Bug 403005</a>
<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=409298"
target="_blank">Mozilla Bug 409298</a>
</body>
<!-- test code goes here -->
<script type="application/javascript"><![CDATA[
/** Test for Bug 403005 and 409298 **/
SimpleTest.waitForExplicitFinish();
function go()
{
ok(window instanceof Object, "window is instanceof Object");
let wrap = $('ifr').contentWindow.wrappedJSObject;
ok(!('obj' in XPCNativeWrapper(wrap)), "XPCNativeWrapper constructor works");
let iwin = $('ifr').contentWindow;
is(iwin.document.ELEMENT_NODE, 1, 'constants work through XrayWrapper');
is(iwin.document.nodeName, "#document", 'attributes work through XrayWrappe
location.foopy = 3;
var xow_answer = [];
for (let i in location)
xow_answer.push(i);
var xpcnw_answer = [];
var xpcnw = new XPCNativeWrapper(location);
xpcnw.barpy = 4;
for (let i in xpcnw)
xpcnw_answer.push(i);
var expected = [
"hash",
"host",
"hostname",
"href",
"pathname",
"port",
"protocol",
"search",
"reload",
"replace",
"assign",
"foopy"
];
var xpcnw_expected = expected.slice(0, expected.length - 1);
xpcnw_expected.push("barpy");
is(xow_answer.sort().toString(),
expected.sort().toString(),
'enumeration over XOWs walks the prototype chain');
is(xpcnw_answer.sort().toString(),
xpcnw_expected.sort().toString(),
'enumeration over XPCNWs walks the prototype chain');
var for_each_expected = [];
for each (let i in new XPCNativeWrapper(location))
for_each_expected.push(typeof i);
var for_each_answer = [];
for each (let i in Iterator(new XPCNativeWrapper(location)))
for_each_answer.push(typeof i);
is(for_each_answer.sort().toString(),
for_each_expected.sort().toString(),
'wrapper iterators are properly iterators');
let sjow_answer = [];
let (obj = { a: 3, next:1 }) {
for (let i in wrap.to_iterate)
sjow_answer.push(i);
is(sjow_answer.sort().toString(), ['a', 'next'].sort().toString(),
'enumeration over SJOWs walks the prototype chain');
}
sjow_answer = [];
for (let i in wrap.location)
sjow_answer.push(i);
is(sjow_answer.sort().toString(),
expected.sort().toString(),
'enumeration over SJOWs walks the prototype chain and works over XOWs');
for (let i in wrap.enumerate) {
is(typeof i, "string", "enumeration on wrappers only returns strings");
}
isnot(wrap, new XPCNativeWrapper(iwin),
'SJOWs equality hook returns false correctly against XPCNW');
is(typeof(wrap.func), 'function',
'SJOWs look like functions when they wrap functions');
is(typeof(wrap.o), 'object',
'SJOWs look like objects when they wrap objects');
ok(wrap.o === wrap.o,
"Identity holds when accessing the same object twice");
var origProto = iwin.__proto__;
try {
iwin.__proto__ = iwin;
ok(false, 'cyclic proto value allowed');
iwin.__proto__ = origProto;
} catch (e) {
is(e.toString(),
'TypeError: cyclic __proto__ value',
'throw the right exception for a cyclic proto');
is(iwin.__proto__, origProto, 'reset __proto__ after a cyclic proto');
}
try {
is('PASS', iwin.eval("'PASS'"), 'iwin.eval throws an exception');
} catch (e) {
ok(false, 'iwin.eval does not throw an exception');
}
try {
new XPCNativeWrapper("");
ok(false, "How did we construct a wrapper around a primitive?");
} catch (e) {
ok(true, "Unable to new XPCNativeWrapper(primitive)");
}
try {
is(XPCNativeWrapper(""), "", "XPCNativeWrapper as a function allows primitives");
} catch (e) {
ok(false, "Unable to wrap a primitive, even without 'new'");
}
// Some tests for SJOWs too.
isnot(wrap.document.body != document.body, "body should not be the same");
XPCNativeWrapper.prototype = {};
let (w = new XPCNativeWrapper(iwin)) {
ok(iwin.location, "able to set XPCNativeWrapper.prototype and do stuff with it");
}
is(new XPCNativeWrapper(iwin, Window).closed, false,
"able to wrap a window in a window XPCNativeWrapper");
try {
new XPCNativeWrapper(document, Window);
todo(false, "Able to wrap a document in a Window XPCNativeWrapper?")
} catch (e) {
ok(/ILLEGAL_VALUE/(e), "not able to wrap a document in a Window XPCNativeWrapper");
}
let (w = new XPCNativeWrapper($('ifr').contentWindow)) {
w.foopybar = 5;
ok(!("foopybar" in iwin), "XPCNativeWrappers allow expandos through");
is(w.foopybar, 5, "can set expandos on XPCNativeWrappers, though");
ok(delete w.foopybar, "deleting properties returns true correctly");
ok(!("foopybar" in w), "Can delete properties from XPCNativeWrappers");
is(w.window, iwin, "w.window exists and is the window");
ok(delete w.iwin, "can delete builtin properties");
is(w.window, iwin, "w.window is automatically recreated");
iwin.foopy = 5;
ok(delete w.foopy, "delete returns true");
is(iwin.foopy, 5, "delete doesn't delete underlying properties");
ok(delete iwin.foopy, "can delete window.foopy");
ok(!("foopy" in iwin), "foopy is no longer in window");
}
try {
is((function(x) { return x+1; }).apply(this, wrap.a), 2,
"able to call apply with an XPCSafeJSObjectWrapped array");
} catch (e) {
ok(false,
"Unable to call apply() with a XPCSafeJSObjectWrapped array");
}
try {
iwin.__proto__ = null;
is(iwin.__proto__, null,
"allowed to update iwin.__proto__ to null");
} catch (e) {
ok(false, "some crazy exception was thrown");
}
try {
new XPCSafeJSObjectWrapped(<x />).foo;
ok(false, "Allowed to wrap E4X in SJOWs?");
} catch (e) {
}
SimpleTest.finish();
}
]]></script>
<iframe type="content"
src="http://mochi.test:8888/tests/js/xpconnect/tests/mochitest/file_wrappers-2.html"
onload="go()"
id="ifr">
</iframe>
</window>