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<!DOCTYPE html>
<html>
<head>
<title>postMessage called through another frame</title>
<script type="application/javascript">
var PATH = "/tests/dom/tests/mochitest/whatwg/postMessage_onOther.html";
function receiveMessage(evt)
{
if (evt.lastEventId !== "")
{
fail("unexpected non-empty lastEventId");
return;
}
switch (window.location.href)
{
case "http://example.com" + PATH:
receiveTopDomain(evt);
break;
case "http://test1.example.com" + PATH:
receiveSubDomain(evt);
break;
default:
fail("unexpected location");
}
}
function fail(msg)
{
window.parent.postMessage("FAIL " + msg, "*");
}
// The parent frame sends "start-test" to the subdomain frame to start.
// The subdomain frame then sets document.domain to the top domain so that
// the top domain frame can access it. It then sends a message to the top
// domain frame to tell it to do likewise; once that happens, the top domain
// frame can then call a method on the subdomain frame window, which will
// call a method *on the top domain window* to send a message to the parent
// window. We thus expect to see an event whose source is the subdomain
// window -- *not* the top domain window. Therefore, its .origin should be:
//
// http://test1.example.com
//
// and not
//
// http://example.com
function receiveSubDomain(evt)
{
if (evt.origin !== "http://mochi.test:8888")
{
fail("wrong top-domain origin: " + evt.origin);
return;
}
if (evt.data !== "start-test")
{
fail("wrong top-domain message: " + evt.origin);
return;
}
document.domain = "example.com";
window.parent.topDomainFrame.postMessage("domain-switch",
"http://example.com");
}
function receiveTopDomain(evt)
{
if (evt.origin !== "http://test1.example.com")
{
fail("wrong subdomain origin: " + evt.origin);
return;
}
if (evt.data !== "domain-switch")
{
fail("wrong subdomain message: " + evt.origin);
return;
}
if (evt.source !== window.parent.subDomainFrame)
{
fail("wrong source on message from subdomain");
return;
}
document.domain = "example.com";
window.parent.subDomainFrame.testSiblingPostMessage();
}
function testSiblingPostMessage()
{
window.parent.postMessage("test-finished", "http://mochi.test:8888");
}
function setup()
{
var target = document.getElementById("location");
target.textContent = location.hostname + ":" + (location.port || 80);
}
window.addEventListener("message", receiveMessage);
window.addEventListener("load", setup);
</script>
</head>
<body>
<h1 id="location">No location!</h1>
</body>
</html>
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