<!DOCTYPE html>
<html>
<head>
<title>Access-Control-Request-Headers values should be lowercase</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
</head>
<body>
<script type="text/javascript">
async_test(function(test) {
const xhr = new XMLHttpRequest;
xhr.open("GET", get_host_info().HTTP_REMOTE_ORIGIN + "/xhr/resources/access-control-preflight-request-header-lowercase.py");
xhr.setRequestHeader("X-Test", "foobar");
xhr.onerror = test.unreached_func("Error occurred.");
xhr.onload = test.step_func_done(function() {
assert_equals(xhr.status, 200);
assert_equals(xhr.responseText, "PASS");
});
xhr.send();
}, "Request with uppercase header set");
</script>
</body>
</html>