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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
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Tip revision: feb7605d5a63e27fccc1b7684b7a5f8f21bc0cf3 authored by James Graham on 24 April 2014, 11:15:33 UTC
Stop using w3c-test.org for progress-events test
Tip revision: feb7605
Channel_postMessage_target_source.htm 
<!DOCTYPE html>
<html>
<head>
<title> postMessage(): target port and source port </title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id=log></div>
<script>

    var TARGET = null;
    var SOURCE = null;
    var description = "The postMessage() method - Let target port be the port with which source "
                    + "port is entangled, if any.";
    
    var t = async_test("Test Description: " + description);

    var channel = new MessageChannel();
    SOURCE = channel.port1;
    TARGET = channel.port2;  
    TARGET.start();
    TARGET.addEventListener("message", t.step_func(TestMessageEvent), true);
    
    SOURCE.postMessage("ping"); 
    
    function TestMessageEvent(evt)
    {       
        assert_equals(evt.target, TARGET);
        assert_not_equals(evt.target, SOURCE);
        t.done();
    }
</script>
</body>
</html>
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