| <!doctype html> |
| <title>VTTRegion.viewportAnchorX</title> |
| <link rel="help" href="https://w3c.github.io/webvtt/#dom-vttregion-viewportanchorx"> |
| <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('viewportAnchorX' in region, 'viewportAnchorX is not supported'); |
| |
| for (var i = 0; i <= 100; i++) { |
| region.viewportAnchorX = i; |
| assert_equals(region.viewportAnchorX, i); |
| } |
| |
| region.viewportAnchorX = 1.5; |
| assert_equals(region.viewportAnchorX, 1.5); |
| |
| [-1, -100, -150, 101, 200, 250].forEach(function (invalid) { |
| assert_throws_dom('IndexSizeError', function() { |
| region.viewportAnchorX = invalid; |
| }); |
| }); |
| }, document.title + ' script-created region'); |
| </script> |
