| <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" 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". |
| // |
| // 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("https://{{domains[]}}:{{ports[https][0]}}/client-hints/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. |
| assert_true(r.headers.has("device-memory-received"), "device-memory-received"); |
| assert_true(r.headers.has("dpr-received"), "dpr-received"); |
| assert_true(r.headers.has("viewport-width-received"), "viewport-width-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'); |
| }); |
| }, "Accept-CH header test"); |
| |
| promise_test(t => { |
| return fetch("https://{{domains[www]}}:{{ports[https][0]}}/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 |
| // for a cross-origin fetch. |
| 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"); |
| }); |
| }, "Cross-Origin Accept-CH header test"); |
| |
| |
| |
| </script> |
| |
| </body> |
| </html> |
