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1 <!DOCTYPE html> | |
2 <title> postMessage(): read-only ports array </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 channel = new MessageChannel(); | |
9 var targetPort = channel.port2; | |
10 targetPort.start(); | |
11 targetPort.addEventListener("message", t.step_func_done(function(e) { | |
12 var channel3 = new MessageChannel(); | |
13 e.ports.push(channel3.port1); | |
14 e.ports.push(channel3.port1); | |
15 assert_equals(e.ports.length, 1, "ports is a read only array with length ==
1."); | |
16 }), true); | |
17 var channel2 = new MessageChannel(); | |
18 channel.port1.postMessage("ports", [channel2.port1]); | |
19 }); | |
20 </script> | |
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