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Test Info:

<!DOCTYPE html>
<title> Cross-origin postMessage with targetOrigin == "/" </title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<div style="display:none">
<iframe width="70%" onload="PostMessageTest()" src="{{location[scheme]}}://{{domains[www1]}}:{{location[port]}}/webmessaging/support/ChildWindowPostMessage.htm"></iframe>
var description = "Test Description: " +
"If the targetOrigin argument is a single literal U+002F SOLIDUS character (/), and " +
"the Document of the Window object on which the method was invoked does not have the " +
"same origin as the entry script's document, then abort these steps silently.";
var t = async_test(description);
var DATA = "NoExceptionRaised";
var TARGET = document.querySelector("iframe");
function PostMessageTest()
TARGET.contentWindow.postMessage("/", "/");
TARGET.contentWindow.postMessage(DATA, "*");
TARGET.contentWindow.postMessage("ExceptionRaised", "*");
window.onmessage = t.step_func(function(e)
assert_equals(, DATA, "");