| <!DOCTYPE html> |
| <html> |
| <head> |
| <title> postMessage(): target port and source port </title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <div id=log></div> |
| <script> |
| |
| var TARGET = null; |
| var SOURCE = null; |
| var description = "The postMessage() method - Let target port be the port with which source " |
| + "port is entangled, if any."; |
| |
| var t = async_test("Test Description: " + description); |
| |
| var channel = new MessageChannel(); |
| SOURCE = channel.port1; |
| TARGET = channel.port2; |
| TARGET.start(); |
| TARGET.addEventListener("message", t.step_func(TestMessageEvent), true); |
| |
| SOURCE.postMessage("ping"); |
| |
| function TestMessageEvent(evt) |
| { |
| assert_equals(evt.target, TARGET); |
| assert_not_equals(evt.target, SOURCE); |
| t.done(); |
| } |
| </script> |
| </body> |
| </html> |
