MessageEvent_properties.htm

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

<!DOCTYPE html>

<html>

<head>

<title> MessageEvent interface and properties </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="do_test()" src="./support/ChildWindowPostMessage.htm"></iframe>

</div>

<script>

async_test(function() {

    window.do_test = this.step_func(function() {

        document.querySelector("iframe").contentWindow.postMessage("foo", "*");

})

    window.addEventListener("message", this.step_func_done(function(e) {

        e.preventDefault();

        assert_true(e instanceof MessageEvent, "Should be MessageEvent");

        assert_equals(e.type, "message");

        assert_false(e.bubbles, "bubbles");

        assert_false(e.cancelable, "cancelable");

        assert_false(e.defaultPrevented, "defaultPrevented");

    }), false);

});

</script>

</body>

</html>