message-channel-transferable.html (496B)
1 <!doctype html> 2 <title>message channel as ports</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 postMessage('', {targetOrigin: '*', transfer: [channel.port1, channel.port2]}); 10 onmessage = t.step_func(function(e) { 11 assert_equals(e.ports.length, 2); 12 t.done(); 13 }); 14 }, "MessageChannel's ports as MessagePort objects"); 15 </script>