| <!DOCTYPE html> |
| <html> |
| <head> |
| <title> Transferred objects are no longer usable on the sending side </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="{{location[scheme]}}://{{domains[www1]}}:{{location[port]}}/webmessaging/support/ChildWindowPostMessage.htm"></iframe> |
| </div> |
| |
| <script> |
| |
| |
| var description = "Test Description: " + |
| "Objects listed in transfer are transferred, not just cloned, meaning that they are " + |
| "no longer usable on the sending side."; |
| |
| var t = async_test(description); |
| |
| var DATA = {test: "e.ports[0].postMessage('TRANSFERRED')"}; |
| var TARGET = document.querySelector("iframe"); |
| var ExpectedResult = ["PING", "TRANSFERRED"]; |
| var ActualResult = []; |
| |
| function PostMessageTest() |
| { |
| test(function() |
| { |
| assert_own_property(window, "MessageChannel", "window"); |
| |
| var channel = new MessageChannel(); |
| |
| channel.port2.onmessage = t.step_func(VerifyResult); |
| |
| channel.port1.postMessage("PING"); |
| |
| TARGET.contentWindow.postMessage(DATA, "*", [channel.port1]); |
| |
| channel.port1.postMessage("PONG"); |
| |
| }, "MessageChannel is supported."); |
| } |
| |
| function VerifyResult(e) |
| { |
| ActualResult.push(e.data) |
| |
| if (ActualResult.length >= ExpectedResult.length) |
| { |
| assert_array_equals(ActualResult, ExpectedResult, "ActualResult"); |
| t.done(); |
| } |
| } |
| </script> |
| </body> |
| </html> |