feature-policy.sub.https.html

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /client-hints/accept-ch/feature-policy.sub.https.html - WPT Dashboard Interop Dashboard

<html>

<body>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/common/get-host-info.sub.js"></script>

<script>

// If the response for the HTML file contains "Accept-CH" in the response

// headers, then the browser should attach the specified client hints in the

// HTTP request headers depending on whether the resource is being fetched from

// the same origin or a different origin. Test this functionality by fetching

// same-origin and cross-origin resources from this page. The response headers

// for this page include "Accept-CH: device-memory, dpr, viewport-width, rtt, downlink, ect".

//

// resources/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(get_host_info()["HTTPS_ORIGIN"] + "/client-hints/resources/echo-client-hints-received.py").then(r => {

    assert_equals(r.status, 200)

    // Verify that the browser includes client hints in the headers for a

    // same-origin fetch which not specifically excluded via Feature-Policy.

    assert_true(r.headers.has("device-memory-received"), "device-memory-received");

    assert_true(r.headers.has("device-memory-deprecated-received"), "device-memory-deprecated-received");

    assert_false(r.headers.has("dpr-received"), "dpr-received");

    assert_false(r.headers.has("dpr-deprecated-received"), "dpr-deprecated-received");

    assert_true(r.headers.has("viewport-width-received"), "viewport-width-received");

    assert_true(r.headers.has("viewport-width-deprecated-received"), "viewport-width-deprecated-received");

    assert_true(r.headers.has("rtt-received"), "rtt-received");

    var rtt = parseInt(r.headers.get("rtt-received"));

    assert_greater_than_equal(rtt, 0);

    assert_less_than_equal(rtt, 3000);

    assert_equals(rtt % 50, 0, 'rtt must be a multiple of 50 msec');

    assert_true(r.headers.has("downlink-received"), "downlink-received");

    var downlinkKbps  = r.headers.get("downlink-received") * 1000;

    assert_greater_than_equal(downlinkKbps, 0);

    assert_less_than_equal(downlinkKbps, 10000);

    assert_in_array(r.headers.get("ect-received"), ["slow-2g", "2g",

          "3g", "4g"], 'ect-received is unexpected');

    assert_true(r.headers.has("mobile-received"));

    assert_in_array(r.headers.get("mobile-received"), ["?0", "?1"], 'mobile is unexpected');

    assert_false(r.headers.has("prefers-color-scheme-received"), "prefers-color-scheme-received");

    assert_false(r.headers.has("prefers-reduced-motion-received"), "prefers-reduced-motion-received");

    assert_false(r.headers.has("prefers-reduced-transparency-received"), "prefers-reduced-transparency-received");

    assert_false(r.headers.has("viewport-height-received"), "viewport-height-received");

});

}, "Accept-CH header test");

promise_test(t => {

  return fetch(get_host_info()["HTTPS_REMOTE_ORIGIN"] + "/client-hints/resources/echo-client-hints-received.py").then(r => {

    assert_equals(r.status, 200)

    // Verify that the browser includes client hints in the headers for a

    // cross-origin fetch which are specifically requested via Feature-Policy.

    assert_true(r.headers.has("device-memory-received"), "device-memory-received");

    assert_true(r.headers.has("device-memory-deprecated-received"), "device-memory-deprecated-received");

    assert_false(r.headers.has("dpr-received"), "dpr-received");

    assert_false(r.headers.has("dpr-deprecated-received"), "dpr-deprecated-received");

    assert_false(r.headers.has("viewport-width-received"), "viewport-width-received");

    assert_false(r.headers.has("viewport-width-deprecated-received"), "viewport-width-deprecated-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");

    assert_false(r.headers.has("prefers-color-scheme-received"), "prefers-color-scheme-received");

    assert_false(r.headers.has("prefers-reduced-motion-received"), "prefers-reduced-motion-received");

    assert_false(r.headers.has("prefers-reduced-transparency-received"), "prefers-reduced-transparency-received");

    assert_false(r.headers.has("viewport-height-received"), "viewport-height-received");

});

}, "Cross-Origin Accept-CH header test");

</script>

</body>

</html>