| <!doctype html> |
| <title>VTTRegion.scroll</title> |
| <link rel="help" href="https://w3c.github.io/webvtt/#dom-vttregion-scroll"> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <div id=log></div> |
| <script> |
| test(function() { |
| var region = new VTTRegion(); |
| assert_true('scroll' in region, 'scroll is not supported'); |
| |
| region.scroll = ''; |
| assert_equals(region.scroll, ''); |
| |
| region.scroll = 'up'; |
| assert_equals(region.scroll, 'up'); |
| |
| region.scroll = 'down'; |
| assert_equals(region.scroll, 'up'); |
| |
| region.scroll = ''; |
| for (var invalid in ['left', 'right', 'center', 'top', 'bottom', 'down']) { |
| region.scroll = invalid; |
| assert_equals(region.scroll, ''); |
| } |
| }, document.title + ' script-created region'); |
| </script> |
