| <!DOCTYPE html> |
| <link rel=author href="mailto:jarhar@chromium.org"> |
| <link rel=help href="https://html.spec.whatwg.org/multipage/interactive-elements.html#the-dialog-element"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <body> |
| <script> |
| test(() => { |
| const dialog = document.createElement('dialog'); |
| document.body.appendChild(dialog); |
| |
| dialog.style = 'position:static'; |
| assert_equals(getComputedStyle(dialog).position, 'static'); |
| dialog.showModal(); |
| assert_true(dialog.open); |
| assert_equals(getComputedStyle(dialog).position, 'absolute', |
| `dialog should be position:absolute when element.style has position:static.`); |
| dialog.close(); |
| assert_false(dialog.open); |
| |
| dialog.style = 'position:relative'; |
| assert_equals(getComputedStyle(dialog).position, 'relative'); |
| dialog.showModal(); |
| assert_true(dialog.open); |
| assert_equals(getComputedStyle(dialog).position, 'absolute', |
| `dialog should be position:absolute when element.style has position:relative.`); |
| dialog.close(); |
| assert_false(dialog.open); |
| }, `Verifies that position:static and position:relative computed to position:absolute in the top layer.`); |
| </script> |