| <!DOCTYPE html> |
| <html> |
| <head> |
| <title> postMessage with duplicate transfer objects raises DataCloneError exception </title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <div id=log></div> |
| |
| <div style="display:none"> |
| <iframe width="70%" onload="PostMessageTest()" src="./support/ChildWindowPostMessage.htm"></iframe> |
| </div> |
| |
| <script> |
| |
| |
| var description = "Test Description: " + |
| "postMessage with duplicate transfer objects raises DataCloneError exception."; |
| |
| var DATA = "ports"; |
| var TARGET = document.querySelector("iframe"); |
| |
| function PostMessageTest() |
| { |
| test(function() |
| { |
| assert_throws("DATA_CLONE_ERR", function() |
| { |
| assert_own_property(window, "MessageChannel", "window"); |
| var channel = new MessageChannel(); |
| TARGET.contentWindow.postMessage(DATA, "*", [channel.port1, channel.port1]); |
| }); |
| }, description); |
| } |
| </script> |
| </body> |
| </html> |