| <!DOCTYPE html> |
| <title>overflow of root element when root element itself is fullscreen</title> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script src="../trusted-click.js"></script> |
| <style>:root { overflow: scroll; }</style> |
| <div id="log"></div> |
| <script> |
| async_test(function(t) |
| { |
| var root = document.documentElement; |
| trusted_request(t, root, document.body); |
| |
| document.addEventListener("fullscreenchange", t.step_func_done(function() |
| { |
| // The scrollbar should remain. |
| assert_equals(getComputedStyle(root).overflow, "scroll"); |
| if (window.internals && internals.overlayScrollbarsEnabled) |
| assert_equals(root.clientWidth, window.innerWidth); |
| else |
| assert_less_than(root.clientWidth, window.innerWidth); |
| })); |
| }); |
| </script> |
