servo/tests/wpt/web-platform-tests/client-hints/accept_ch.https.html

30 lines
986 B
HTML

<html>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
// If the response for the HTML file contains "Accept-CH: device-memory" in
// the response headers, then the browser should attach device-memory client
// hint in the HTTP request headers. Test this functionality by fetching an
// XHR from this page. The response headers for this page include
// "Accept-CH: device-memory".
//
// echo_device_memory_header_received.py includes "device-memory-received" in
// the response headers only if the request included "device-memory" in the
// headers.
promise_test(t => {
return fetch("/client-hints/echo_device_memory_header_received.py").then(r => {
assert_equals(r.status, 200)
// Verify that the browser included "device-memory" in the headers when
// fetching the XHR.
assert_true(r.headers.has("device-memory-received"));
});
}, "Accept-CH header test");
</script>
</body>
</html>