Content - 29f21b3b388c2c153d2647695c31f9027c6c1d8a - ce2d6cd/webmessaging/Channel_postMessage_clone_port.htm

visit type:

Tip revision: 728bf0b06a5162efc4f46a959bdb10364e75a169 authored by James Graham on 24 April 2014, 14:45:39 UTC
Making a control dirty doesn't require execCommand

Tip revision: 728bf0b

Channel_postMessage_clone_port.htm

<!DOCTYPE html>
<html>
<head>
<title> postMessage(): clone a port </title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id=log></div>
<script>
    var OriginalPort = null;
    var ClonedPort = null;
    var description = "Test Description: When the user agent is to clone a port original port, with "
                    + "the clone being owned by owner, it must return a new MessagePort object";

    var t = async_test("Test Description: " + description);

    var ChannelA = new MessageChannel();
    var ChannelB = new MessageChannel();
    OriginalPort = ChannelB.port2;
    
    ChannelA.port2.onmessage = t.step_func(function(evt)
    {
        if(evt.data == "ports")
        {
            ClonedPort = evt.ports[0];
            
            assert_not_equals(ClonedPort, OriginalPort, "new cloned port object should not equal to the original port!");
            
            ClonedPort.onmessage = function(e)
            {
                test(function(){ assert_equals(e.data, "ping"); }, "Data sent through remote port is received by the new cloned port");
                t.done();
            }
        }
    });
    
    ChannelA.port1.postMessage("ports", [OriginalPort]);
    ChannelB.port1.postMessage("ping");
</script>
</body>
</html>

Browse the archive

https://github.com/web-platform-tests/wpt