1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/xpconnect/tests/chrome/test_exposeInDerived.xul Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,52 @@
1.4 +<?xml version="1.0"?>
1.5 +<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
1.6 +<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
1.7 +<!--
1.8 +https://bugzilla.mozilla.org/show_bug.cgi?id=804630
1.9 +-->
1.10 +<window title="Mozilla Bug 804630"
1.11 + xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
1.12 + <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
1.13 +
1.14 + <!-- test results are displayed in the html:body -->
1.15 + <body xmlns="http://www.w3.org/1999/xhtml">
1.16 + <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=804630"
1.17 + target="_blank">Mozilla Bug 804630</a>
1.18 + </body>
1.19 +
1.20 + <!-- test code goes here -->
1.21 + <script type="application/javascript">
1.22 + <![CDATA[
1.23 + /** Test to make sure that COWed objects can expose properties from their prototypes. **/
1.24 + const Cu = Components.utils;
1.25 +
1.26 + // Set up the sandbox.
1.27 + var sb = new Cu.Sandbox('http://www.example.com');
1.28 + sb.ok = ok;
1.29 + sb.is = is;
1.30 +
1.31 + // Make a chrome object that exposes objects off its prototype.
1.32 + sb.proto = { read: 42, readWrite: 32, __exposedProps__: {} };
1.33 + sb.proto.__defineSetter__('setterProp', function(val) { this._setterProp = val; });
1.34 + sb.obj = { __exposedProps__: { read: 'r', readWrite: 'rw', setterProp: 'w' } };
1.35 + sb.obj.__proto__ = sb.proto;
1.36 +
1.37 + // Make sure we can't access any of the properties on the prototype directly.
1.38 + Cu.evalInSandbox('is(proto.read, undefined, "proto.read inaccessible");', sb);
1.39 + Cu.evalInSandbox('var wrote = false; ' +
1.40 + 'try { proto.readWrite = 12; wrote = true; } catch(e) {} ' +
1.41 + ' ok(!wrote, "Should not write proto property");', sb);
1.42 + Cu.evalInSandbox('var wrote = false; ' +
1.43 + 'try { proto.setterProp = 12; wrote = true; } catch(e) {} ' +
1.44 + ' ok(!wrote, "Should not write proto setter");', sb);
1.45 +
1.46 + // Make sure we can access the exposed properties via the derived object.
1.47 + Cu.evalInSandbox('is(obj.read, 42, "obj.read accessible");', sb);
1.48 + Cu.evalInSandbox('is(obj.readWrite, 32, "obj.readWrite is readable");', sb);
1.49 + Cu.evalInSandbox('obj.readWrite = 8; is(obj.readWrite, 8, "obj.readWrite is writable");', sb);
1.50 + Cu.evalInSandbox('obj.setterProp = 3;', sb);
1.51 + is(sb.obj._setterProp, 3, "obj.setterProp works");
1.52 +
1.53 + ]]>
1.54 + </script>
1.55 +</window>
