| <!DOCTYPE html> |
| <title>:fullscreen pseudo-class</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../trusted-click.js"></script> |
| <div><div></div></div> |
| <script> |
| async_test(t => { |
| const outer = document.querySelector("div"); |
| const inner = outer.firstChild; |
| |
| // First request fullscreen for the outer element. |
| trusted_request(t, outer); |
| document.onfullscreenchange = t.step_func(() => { |
| assert_equals(document.fullscreenElement, outer); |
| assert_true(outer.matches(':fullscreen'), |
| 'outer:fullscreen in simple fullscreen'); |
| assert_false(inner.matches(':fullscreen'), |
| 'inner:fullscreen in simple fullscreen'); |
| |
| // Then request fullscreen for the inner element. |
| trusted_request(t, inner); |
| document.onfullscreenchange = t.step_func_done(() => { |
| // Although inner is the fullscreen element, both elements match the |
| // selector, as both have their fullscreen flag set. |
| assert_equals(document.fullscreenElement, inner); |
| assert_true(inner.matches(':fullscreen'), |
| 'inner:fullscreen in nested fullscreen'); |
| assert_true(outer.matches(':fullscreen'), |
| 'outer:fullscreen in nested fullscreen'); |
| }); |
| }); |
| }); |
| </script> |
