| <!doctype html> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script src="../assert_selection.js"></script> |
| <script> |
| test(() => { |
| assert_not_equals(window.eventSender, undefined, |
| 'This test requires window.eventSender'); |
| assert_not_equals(window.internals, undefined, |
| 'This test requires window.internals'); |
| ['mac', 'win', 'unix', 'android'].forEach(platform => |
| assert_selection( |
| '<div contenteditable>\u0E27\u0E31|</div>', |
| selection => { |
| internals.settings.setEditingBehavior(platform); |
| selection.document.defaultView.focus(); |
| eventSender.keyDown('Backspace', null); |
| selection.document.execCommand('undo'); |
| }, |
| '<div contenteditable>\u0E27\u0E31|</div>', |
| `${platform}: Undo of backspace key on ligature U+0E27 and U+0E31`)); |
| }); |
| </script> |
