postMessage_MessagePorts_sorigin.htm

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This WPT test may be referenced by the following Test IDs:
- /webmessaging/postMessage_MessagePorts_sorigin.htm - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

<title> postMessage to same-origin iframe with MessagePort array [100 ports] </title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

</head>

<body>

<div id=log></div>

<div style="display:none">

    <iframe width="70%" onload="PostMessageTest()" src="./support/ChildWindowPostMessage.htm"></iframe>

</div>

<script>

    var description = "Test Description: postMessage to same-origin iframe with MessagePort array containing 100 ports.";

    var t = async_test(description);

    var TOTALPORTS = 100;

    var LocalPorts = [];

    var RemotePorts = [];

    var PassedResult = 0;

    var sum = 0;

    var TARGET = document.querySelector("iframe").contentWindow;

    function PostMessageTest()

        test(function()

            assert_own_property(window, "MessageChannel", "window");

            var channels = [];

            for (var i=0; i<TOTALPORTS; i++)

                channels[i] = new MessageChannel();

                LocalPorts[i] = channels[i].port1;

                LocalPorts[i].foo = i;

                RemotePorts[i] = channels[i].port2;

                LocalPorts[i].onmessage = t.step_func(function(e)

                    assert_equals(e.target.foo, e.data);

                    PassedResult++;

                    sum += e.data;

                    if (PassedResult == TOTALPORTS)

                        assert_equals(sum, 4950);

                        t.done();

});

            TARGET.postMessage("ports", "*", RemotePorts);

        }, "MessageChannel is supported.");

    window.onmessage = function(e)

        if (e.data === "ports")

            for (var i=0; i<TOTALPORTS; i++)

                LocalPorts[i].postMessage(LocalPorts[i].foo);

</script>

</body>

</html>