| <!DOCTYPE html> |
| <meta charset="UTF-8"> |
| <title>widows interpolation</title> |
| <link rel="help" href="https://drafts.csswg.org/css-break-3/#widows-orphans"> |
| <meta name="assert" content="widows 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 { |
| widows: 30; |
| } |
| .target { |
| widows: 10; |
| } |
| </style> |
| |
| <body></body> |
| |
| <script> |
| test_interpolation({ |
| property: 'widows', |
| from: neutralKeyframe, |
| to: '20', |
| }, [ |
| {at: -3, expect: '1'}, |
| {at: -2.5, expect: '1'}, |
| {at: -0.5, expect: '5'}, |
| {at: 0, expect: '10'}, |
| {at: 0.3, expect: '13'}, |
| {at: 0.6, expect: '16'}, |
| {at: 1, expect: '20'}, |
| {at: 1.5, expect: '25'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'widows', |
| from: 'initial', |
| to: '20', |
| }, [ |
| {at: -3, expect: '1'}, |
| {at: -2.5, expect: '1'}, |
| {at: -0.5, expect: '1'}, |
| {at: 0, expect: '2'}, |
| {at: 0.3, expect: '7'}, |
| {at: 0.6, expect: '13'}, |
| {at: 1, expect: '20'}, |
| {at: 1.5, expect: '29'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'widows', |
| from: 'inherit', |
| to: '20', |
| }, [ |
| {at: -3, expect: '60'}, |
| {at: -2.5, expect: '55'}, |
| {at: -0.5, expect: '35'}, |
| {at: 0, expect: '30'}, |
| {at: 0.3, expect: '27'}, |
| {at: 0.6, expect: '24'}, |
| {at: 1, expect: '20'}, |
| {at: 1.5, expect: '15'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'widows', |
| from: 'unset', |
| to: '20', |
| }, [ |
| {at: -3, expect: '60'}, |
| {at: -2.5, expect: '55'}, |
| {at: -0.5, expect: '35'}, |
| {at: 0, expect: '30'}, |
| {at: 0.3, expect: '27'}, |
| {at: 0.6, expect: '24'}, |
| {at: 1, expect: '20'}, |
| {at: 1.5, expect: '15'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'widows', |
| from: '10', |
| to: '20' |
| }, [ |
| {at: -3.0, expect: '1'}, |
| {at: -2.5, expect: '1'}, |
| {at: -0.5, expect: '5'}, |
| {at: 0, expect: '10'}, |
| {at: 0.3, expect: '13'}, |
| {at: 0.6, expect: '16'}, |
| {at: 1, expect: '20'}, |
| {at: 1.5, expect: '25'} |
| ]); |
| |
| test_interpolation({ |
| property: 'widows', |
| from: '2', |
| to: '4' |
| }, [ |
| {at: -3.0, expect: '1'}, |
| {at: -2.5, expect: '1'}, |
| {at: -0.5, expect: '1'}, |
| {at: 0, expect: '2'}, |
| {at: 0.3, expect: '3'}, |
| {at: 0.6, expect: '3'}, |
| {at: 1, expect: '4'}, |
| {at: 1.5, expect: '5'} |
| ]); |
| </script> |
