access-control-response-with-body.htm
<!DOCTYPE html>
<html>
<head>
<title>Tests that XHR doesn't prepend the body from CORS preflight response to the actual response</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((test) => {
const xhr = new XMLHttpRequest;
xhr.onerror = test.unreached_func("Unexpected error.");
xhr.onload = test.step_func_done(() => {
assert_equals(xhr.status, 200);
assert_equals(xhr.responseText, "PASS");
});
xhr.open("GET", get_host_info().HTTP_REMOTE_ORIGIN +
"/xhr/resources/access-control-allow-with-body.py");
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
xhr.send();
});
</script>
</body>
</html>