| <!DOCTYPE html> |
| <meta charset="UTF-8"> |
| <title>height interpolation</title> |
| <link rel="help" href="https://drafts.csswg.org/css-sizing-3/#propdef-height"> |
| <meta name="assert" content="height supports animation by computed value"> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/css/support/interpolation-testcommon.js"></script> |
| |
| <style> |
| .parent { |
| height: 200px; |
| } |
| .target { |
| width: 100px; |
| height: 100px; |
| background-color: black; |
| display: inline-block; |
| margin-right: 5px; |
| height: 10px; |
| } |
| .expected { |
| background-color: green; |
| } |
| </style> |
| |
| <body></body> |
| |
| <script> |
| test_interpolation({ |
| property: 'height', |
| 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_no_interpolation({ |
| property: 'height', |
| from: 'initial', |
| to: '20px', |
| }); |
| |
| test_interpolation({ |
| property: 'height', |
| from: 'inherit', |
| to: '20px', |
| }, [ |
| {at: -0.3, expect: '254px'}, |
| {at: 0, expect: '200px'}, |
| {at: 0.3, expect: '146px'}, |
| {at: 0.6, expect: '92px'}, |
| {at: 1, expect: '20px'}, |
| {at: 1.5, expect: '0px'}, |
| ]); |
| |
| test_no_interpolation({ |
| property: 'height', |
| from: 'unset', |
| to: '20px', |
| }); |
| |
| test_interpolation({ |
| property: 'height', |
| from: '0px', |
| to: '100px', |
| }, [ |
| {at: -0.3, expect: '0px'}, // CSS height can't be negative. |
| {at: 0, expect: '0px'}, |
| {at: 0.3, expect: '30px'}, |
| {at: 0.6, expect: '60px'}, |
| {at: 1, expect: '100px'}, |
| {at: 1.5, expect: '150px'} |
| ]); |
| </script> |
