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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
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Tip revision: 3b558a96b2c165d8b8c4aa3ce17e1f7d9e7912ed authored by Dave Tapuska on 18 December 2018, 21:43:49 UTC
Add tentative WPT tests for stale while revalidate handling.
Tip revision: 3b558a9
accept_ch.http.html 
<html>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<script>

// When the response for the HTML file contains "Accept-CH" in the response
// headers, then the browser should not attach the specified client hints in
// the HTTP request headers if the response was delivered by an insecure HTTP
// server. Test this functionality by fetching an XHR from this page hosted on
// an insecure HTTP server. The response headers for this page include
// "Accept-CH: device-memory, dpr, viewport-width, rtt, downlink, ect".
//
// echo_client_hints_received.py sets the response headers depending on the set
// of client hints it receives in the request headers.

  promise_test(t => {
  return fetch("/client-hints/echo_client_hints_received.py").then(r => {
    assert_equals(r.status, 200)
    // Verify that the browser does not include client hints in the headers
    // when fetching the XHR from an insecure HTTP server.
    assert_false(r.headers.has("device-memory-received"), "device-memory-received");
    assert_false(r.headers.has("dpr-received"), "dpr-received");
    assert_false(r.headers.has("viewport-width-received"), "viewport-width-received");
    assert_false(r.headers.has("rtt-received"), "rtt-received");
    assert_false(r.headers.has("downlink-received"), "downlink-received");
    assert_false(r.headers.has("ect-received"), "ect-received");
  });
}, "Accept-CH header test");

</script>

</body>
</html>
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