Channel_postMessage_clone_port.any.js

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This WPT test may be referenced by the following Test IDs:
- /webmessaging/Channel_postMessage_clone_port.any.html - WPT Dashboard Interop Dashboard
- /webmessaging/Channel_postMessage_clone_port.any.worker.html - WPT Dashboard Interop Dashboard

// META: title=postMessage(): clone a port

    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");