| <html> | |
| <head> | |
| <script> | |
| if (window.testRunner) | |
| testRunner.dumpAsText(); | |
| window.onload = function() | |
| { | |
| channel = new MessageChannel; | |
| event = document.createEvent("MessageEvent"); | |
| event.initMessageEvent(0, 0, 0, 0, 0, 0, null, [channel.port1, channel.port2]); | |
| Array.prototype.__defineSetter__(0, function() { | |
| event.initMessageEvent(0, 0, 0, 0, 0, 0, null, [ ]); | |
| }); | |
| event.ports; | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| This test passes if it doesn't crash. | |
| </body> | |
| </html> |