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comparison: js/xpconnect/tests/chrome/test_exposeInDerived.xul
js/xpconnect/tests/chrome/test_exposeInDerived.xul
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- 6474c204b198
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| -1:000000000000 | 0:dc5d22d45e8d |
|---|---|
| 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=804630 | |
| 6 --> | |
| 7 <window title="Mozilla Bug 804630" | |
| 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=804630" | |
| 14 target="_blank">Mozilla Bug 804630</a> | |
| 15 </body> | |
| 16 | |
| 17 <!-- test code goes here --> | |
| 18 <script type="application/javascript"> | |
| 19 <![CDATA[ | |
| 20 /** Test to make sure that COWed objects can expose properties from their prototypes. **/ | |
| 21 const Cu = Components.utils; | |
| 22 | |
| 23 // Set up the sandbox. | |
| 24 var sb = new Cu.Sandbox('http://www.example.com'); | |
| 25 sb.ok = ok; | |
| 26 sb.is = is; | |
| 27 | |
| 28 // Make a chrome object that exposes objects off its prototype. | |
| 29 sb.proto = { read: 42, readWrite: 32, __exposedProps__: {} }; | |
| 30 sb.proto.__defineSetter__('setterProp', function(val) { this._setterProp = val; }); | |
| 31 sb.obj = { __exposedProps__: { read: 'r', readWrite: 'rw', setterProp: 'w' } }; | |
| 32 sb.obj.__proto__ = sb.proto; | |
| 33 | |
| 34 // Make sure we can't access any of the properties on the prototype directly. | |
| 35 Cu.evalInSandbox('is(proto.read, undefined, "proto.read inaccessible");', sb); | |
| 36 Cu.evalInSandbox('var wrote = false; ' + | |
| 37 'try { proto.readWrite = 12; wrote = true; } catch(e) {} ' + | |
| 38 ' ok(!wrote, "Should not write proto property");', sb); | |
| 39 Cu.evalInSandbox('var wrote = false; ' + | |
| 40 'try { proto.setterProp = 12; wrote = true; } catch(e) {} ' + | |
| 41 ' ok(!wrote, "Should not write proto setter");', sb); | |
| 42 | |
| 43 // Make sure we can access the exposed properties via the derived object. | |
| 44 Cu.evalInSandbox('is(obj.read, 42, "obj.read accessible");', sb); | |
| 45 Cu.evalInSandbox('is(obj.readWrite, 32, "obj.readWrite is readable");', sb); | |
| 46 Cu.evalInSandbox('obj.readWrite = 8; is(obj.readWrite, 8, "obj.readWrite is writable");', sb); | |
| 47 Cu.evalInSandbox('obj.setterProp = 3;', sb); | |
| 48 is(sb.obj._setterProp, 3, "obj.setterProp works"); | |
| 49 | |
| 50 ]]> | |
| 51 </script> | |
| 52 </window> |
