| <!DOCTYPE html> |
| <meta charset="UTF-8"> |
| <title>column-rule-width interpolation</title> |
| <link rel="help" href="https://drafts.csswg.org/css-multicol-1/#crw"> |
| <meta name="assert" content="column-rule-width supports animation by computed value type"> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/css/support/interpolation-testcommon.js"></script> |
| |
| <style> |
| .parent { |
| column-rule-width: 30px; |
| } |
| .target { |
| column-rule-width: 10px; |
| } |
| </style> |
| |
| <body></body> |
| |
| <script> |
| test_interpolation({ |
| property: 'column-rule-width', |
| from: neutralKeyframe, |
| to: '20px', |
| }, [ |
| {at: -0.3, expect: '7px'}, |
| {at: 0, expect: '10px'}, |
| {at: 0.3, expect: '13px'}, |
| {at: 0.6, expect: '16px'}, |
| {at: 1, expect: '20px'}, |
| {at: 1.5, expect: '25px'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'column-rule-width', |
| from: 'initial', |
| to: '20px', |
| }, [ |
| {at: -0.3, expect: '0px'}, |
| {at: 0, expect: '3px'}, |
| {at: 0.3, expect: '8.1px'}, |
| {at: 0.6, expect: '13.2px'}, |
| {at: 1, expect: '20px'}, |
| {at: 1.5, expect: '28.5px'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'column-rule-width', |
| from: 'inherit', |
| to: '20px', |
| }, [ |
| {at: -0.3, expect: '0px'}, |
| {at: 0, expect: '0px'}, |
| {at: 0.3, expect: '6px'}, |
| {at: 0.6, expect: '12px'}, |
| {at: 1, expect: '20px'}, |
| {at: 1.5, expect: '30px'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'column-rule-width', |
| from: 'unset', |
| to: '20px', |
| }, [ |
| {at: -0.3, expect: '0px'}, |
| {at: 0, expect: '3px'}, |
| {at: 0.3, expect: '8.1px'}, |
| {at: 0.6, expect: '13.2px'}, |
| {at: 1, expect: '20px'}, |
| {at: 1.5, expect: '28.5px'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'column-rule-width', |
| from: '0px', |
| to: '10px' |
| }, [ |
| {at: -0.3, expect: '0px'}, // CSS column-rule-width can't be negative. |
| {at: 0, expect: '0px'}, |
| {at: 0.3, expect: '3px'}, |
| {at: 0.6, expect: '6px'}, |
| {at: 1, expect: '10px'}, |
| {at: 1.5, expect: '15px'} |
| ]); |
| |
| test_interpolation({ |
| property: 'column-rule-width', |
| from: '15px', |
| to: 'thick' |
| }, [ |
| {at: -2, expect: '35px'}, |
| {at: -0.3, expect: '18px'}, |
| {at: 0, expect: '15px'}, |
| {at: 0.3, expect: '12px'}, |
| {at: 0.6, expect: '9px'}, |
| {at: 1, expect: '5px'}, |
| {at: 1.5, expect: '0px'} |
| ]); |
| </script> |
