answers.sub.https.html (3353B)
1 <html> 2 <body> 3 <script src="/resources/testharness.js"></script> 4 <script src="/resources/testharnessreport.js"></script> 5 6 <script> 7 8 // If the response for the HTML file contains "Accept-CH" in the response 9 // headers, then the browser should attach the specified client hints in the 10 // HTTP request headers depending on whether the resource is being fetched from 11 // the same origin or a different origin. Test this functionality by fetching 12 // same-origin and cross-origin resources from this page. The response headers 13 // for this page include "Accept-CH: device-memory, dpr, viewport-width, rtt, downlink, ect". 14 // 15 // resources/echo-client-hints-received.py sets the response headers depending on the set 16 // of client hints it receives in the request headers. 17 18 promise_test(t => { 19 return fetch("https://{{domains[]}}:{{ports[https][0]}}/client-hints/resources/echo-client-hints-received.py").then(r => { 20 assert_equals(r.status, 200) 21 // Verify that the browser includes client hints in the headers for a 22 // same-origin fetch. 23 assert_true(r.headers.has("device-memory-received"), "device-memory-received"); 24 assert_true(r.headers.has("device-memory-deprecated-received"), "device-memory-deprecated-received"); 25 assert_true(r.headers.has("dpr-received"), "dpr-received"); 26 assert_true(r.headers.has("dpr-deprecated-received"), "dpr-deprecated-received"); 27 assert_true(r.headers.has("viewport-width-received"), "viewport-width-received"); 28 assert_true(r.headers.has("viewport-width-deprecated-received"), "viewport-width-deprecated-received"); 29 30 assert_true(r.headers.has("rtt-received"), "rtt-received"); 31 var rtt = parseInt(r.headers.get("rtt-received")); 32 assert_greater_than_equal(rtt, 0); 33 assert_less_than_equal(rtt, 3000); 34 assert_equals(rtt % 50, 0, 'rtt must be a multiple of 50 msec'); 35 36 assert_true(r.headers.has("downlink-received"), "downlink-received"); 37 var downlinkKbps = r.headers.get("downlink-received") * 1000; 38 assert_greater_than_equal(downlinkKbps, 0); 39 assert_less_than_equal(downlinkKbps, 10000); 40 41 assert_in_array(r.headers.get("ect-received"), ["slow-2g", "2g", 42 "3g", "4g"], 'ect-received is unexpected'); 43 }); 44 }, "Accept-CH header test"); 45 46 promise_test(t => { 47 return fetch("https://{{domains[www]}}:{{ports[https][0]}}/client-hints/resources/echo-client-hints-received.py").then(r => { 48 assert_equals(r.status, 200) 49 // Verify that the browser does not include client hints in the headers 50 // for a cross-origin fetch. 51 assert_false(r.headers.has("device-memory-received"), "device-memory-received"); 52 assert_false(r.headers.has("device-memory-deprecated-received"), "device-memory-deprecated-received"); 53 assert_false(r.headers.has("dpr-received"), "dpr-received"); 54 assert_false(r.headers.has("dpr-deprecated-received"), "dpr-deprecated-received"); 55 assert_false(r.headers.has("viewport-width-received"), "viewport-width-received"); 56 assert_false(r.headers.has("viewport-width-deprecated-received"), "viewport-width-deprecated-received"); 57 assert_false(r.headers.has("rtt-received"), "rtt-received"); 58 assert_false(r.headers.has("downlink-received"), "downlink-received"); 59 assert_false(r.headers.has("ect-received"), "ect-received"); 60 }); 61 }, "Cross-Origin Accept-CH header test"); 62 63 64 65 </script> 66 67 </body> 68 </html>