зеркало из https://github.com/mozilla/gecko-dev.git
53 строки
2.3 KiB
XML
53 строки
2.3 KiB
XML
<?xml version="1.0"?>
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<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
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<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=804630
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-->
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<window title="Mozilla Bug 804630"
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xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
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<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
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<!-- test results are displayed in the html:body -->
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<body xmlns="http://www.w3.org/1999/xhtml">
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<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=804630"
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target="_blank">Mozilla Bug 804630</a>
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</body>
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<!-- test code goes here -->
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<script type="application/javascript">
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<![CDATA[
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/** Test to make sure that COWed objects can expose properties from their prototypes. **/
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const Cu = Components.utils;
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// Set up the sandbox.
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var sb = new Cu.Sandbox('http://www.example.com');
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sb.ok = ok;
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sb.is = is;
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// Make a chrome object that exposes objects off its prototype.
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sb.proto = { read: 42, readWrite: 32, __exposedProps__: {} };
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sb.proto.__defineSetter__('setterProp', function(val) { this._setterProp = val; });
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sb.obj = { __exposedProps__: { read: 'r', readWrite: 'rw', setterProp: 'w' } };
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sb.obj.__proto__ = sb.proto;
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// Make sure we can't access any of the properties on the prototype directly.
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Cu.evalInSandbox('is(proto.read, undefined, "proto.read inaccessible");', sb);
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Cu.evalInSandbox('var wrote = false; ' +
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'try { proto.readWrite = 12; wrote = true; } catch(e) {} ' +
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' ok(!wrote, "Should not write proto property");', sb);
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Cu.evalInSandbox('var wrote = false; ' +
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'try { proto.setterProp = 12; wrote = true; } catch(e) {} ' +
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' ok(!wrote, "Should not write proto setter");', sb);
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// Make sure we can access the exposed properties via the derived object.
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Cu.evalInSandbox('is(obj.read, 42, "obj.read accessible");', sb);
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Cu.evalInSandbox('is(obj.readWrite, 32, "obj.readWrite is readable");', sb);
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Cu.evalInSandbox('obj.readWrite = 8; is(obj.readWrite, 8, "obj.readWrite is writable");', sb);
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Cu.evalInSandbox('obj.setterProp = 3;', sb);
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is(sb.obj._setterProp, 3, "obj.setterProp works");
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]]>
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</script>
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</window>
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