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1 <!DOCTYPE html> | |
2 <title> postMessage(): clone a port </title> | |
3 <script src="/resources/testharness.js"></script> | |
4 <script src="/resources/testharnessreport.js"></script> | |
5 <div id=log></div> | |
6 <script> | |
7 async_test(function(t) { | |
8 var channelA = new MessageChannel(); | |
9 var channelB = new MessageChannel(); | |
10 var originalPort = channelB.port2; | |
11 channelA.port2.onmessage = t.step_func(function(e) { | |
12 assert_equals(e.data, "ports"); | |
13 var clonedPort = e.ports[0]; | |
14 assert_not_equals(clonedPort, originalPort, "new cloned port object should n
ot equal to the original port!"); | |
15 clonedPort.onmessage = t.step_func_done(function(e) { | |
16 assert_equals(e.data, "ping", "Data sent through remote port is received b
y the new cloned port"); | |
17 }); | |
18 }); | |
19 channelA.port1.postMessage("ports", [channelB.port2]); | |
20 channelB.port1.postMessage("ping"); | |
21 }); | |
22 </script> | |
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