| <!DOCTYPE html> |
| <title>Tests basics of the 'position-anchor' property</title> |
| <link rel="help" href="https://drafts.csswg.org/css-anchor-1/#propdef-position-anchor"> |
| <link rel="author" href="mailto:xiaochengh@chromium.org"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/css/support/parsing-testcommon.js"></script> |
| <script src="/css/support/computed-testcommon.js"></script> |
| <script src="/css/support/inheritance-testcommon.js"></script> |
| <script src="/css/support/interpolation-testcommon.js"></script> |
| |
| <div id="container"> |
| <div id="target"></div> |
| </div> |
| |
| <script> |
| // position-anchor: <anchor-element> |
| // <anchor-element> = auto | <dashed-ident> |
| test_valid_value('position-anchor', 'auto'); |
| test_valid_value('position-anchor', '--foo'); |
| test_invalid_value('position-anchor', 'none'); |
| test_invalid_value('position-anchor', 'foo-bar'); |
| test_invalid_value('position-anchor', '--foo --bar') |
| test_invalid_value('position-anchor', '--foo, --bar') |
| test_invalid_value('position-anchor', '100px'); |
| test_invalid_value('position-anchor', '100%'); |
| |
| // Computed value: as specified |
| test_computed_value('position-anchor', 'auto'); |
| test_computed_value('position-anchor', '--foo'); |
| |
| // Initial: auto |
| // Inherited: no |
| assert_not_inherited('position-anchor', 'auto', '--foo'); |
| |
| // Animation type: discrete |
| test_no_interpolation({ |
| property: 'position-anchor', |
| from: '--foo', |
| to: 'auto', |
| }); |
| </script> |
