| <html> |
| <title>Accept-CH test</title> |
| <body> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <!-- |
| Apart from this webpage, the test opens two more html web page. One test is run |
| in this web page, and two in the other web pages. |
| --> |
| |
| <script> |
| |
| // This test fetches resources/accept_ch.html. The response headers to |
| // that webpage contains only the Accept-CH header. These preferences should be |
| // stored so that the next request to the same origin is sent with the |
| // requested client hint headers. |
| |
| // Next, to verify that the origin preferences were persisted by the user |
| // agent, this test fetches resources/expect_client_hints_headers.html in a new |
| // window. Fetching of resources/expect_client_hints_headers.html verifies that |
| // the user agent does send the client hints in the request headers. |
| |
| // Test is marked as tentative until https://github.com/whatwg/fetch/issues/726 |
| // is resolved. |
| |
| // First, verify the initial state to make sure that the browser does not have |
| // client hints preferences cached from a previous run of the test. |
| promise_test(t => { |
| return fetch("echo_client_hints_received.py").then(r => { |
| assert_equals(r.status, 200) |
| // Verify that the browser did not include client hints in the request |
| // headers when fetching echo_client_hints_received.py. |
| assert_false(r.headers.has("device-memory-received"), "device-memory-received"); |
| }); |
| }, "Precondition: Test that the browser does not have client hints preferences cached"); |
| |
| async_test(t => { |
| window.addEventListener('message', t.step_func(function(e) { |
| if(!e.source.location.pathname.includes("expect_client_hints_headers.html")) { |
| return; |
| } |
| if(typeof e.data != "string") |
| return; |
| assert_equals(e.data, "PASS"); |
| t.done(); |
| })); |
| }, "Loading of resources/expect_client_hints_headers.html did not finish."); |
| |
| function acceptChLoaded() { |
| // Open a new window. Verify that the user agent does not attach the client |
| // hints. |
| var verify_win = window.open("resources/expect_client_hints_headers.html"); |
| assert_not_equals(verify_win, null, "Popup windows not allowed?"); |
| } |
| |
| // Fetching this webpage should NOT cause user-agent to persist client hint |
| // preferences for the origin. |
| var win = window.open("resources/accept_ch.html"); |
| assert_not_equals(win, null, "Popup windows not allowed?"); |
| win.addEventListener('load', acceptChLoaded, false); |
| |
| </script> |
| </body> |
| </html> |
