http-equiv-accept-ch-merge.https.html

Enable keyboard shortcuts

This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /client-hints/http-equiv-accept-ch-merge.https.html - WPT Dashboard Interop Dashboard

<html>

<head>

<meta http-equiv="Accept-CH" content="sec-ch-viewport-width, viewport-width, rtt">

<meta http-equiv="Accept-CH" content="downlink, ect, sec-ch-prefers-color-scheme">

<meta http-equiv="Accept-CH" content="sec-ch-prefers-reduced-motion, sec-ch-prefers-reduced-transparency">

<body>

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

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

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

<script>

// Test of merge of http-equiv headers on top of accept-ch provided ones.

//

// 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.

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

    assert_true(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("prefers-color-scheme-received"), "prefers-color-scheme-received");

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

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

});

}, "Accept-CH header test");

</script>

</body>

</html>