| <!DOCTYPE html> | |
| <meta charset="UTF-8"> | |
| <style> | |
| .parent { | |
| --length: 30px; | |
| } | |
| .target { | |
| --length: 10px; | |
| font-size: 20px; | |
| } | |
| </style> | |
| <body> | |
| <script src="../interpolation/resources/interpolation-test.js"></script> | |
| <script> | |
| CSS.registerProperty({ | |
| name: '--length', | |
| syntax: '<length>', | |
| initialValue: '40px', | |
| inherits: false, | |
| }); | |
| assertInterpolation({ | |
| property: '--length', | |
| from: neutralKeyframe, | |
| to: '20px', | |
| }, [ | |
| {at: -0.3, is: '7px'}, | |
| {at: 0, is: '10px'}, | |
| {at: 0.5, is: '15px'}, | |
| {at: 1, is: '20px'}, | |
| {at: 1.5, is: '25px'}, | |
| ]); | |
| assertInterpolation({ | |
| property: '--length', | |
| from: 'initial', | |
| to: '20px', | |
| }, [ | |
| {at: -0.3, is: '46px'}, | |
| {at: 0, is: '40px'}, | |
| {at: 0.5, is: '30px'}, | |
| {at: 1, is: '20px'}, | |
| {at: 1.5, is: '10px'}, | |
| ]); | |
| assertInterpolation({ | |
| property: '--length', | |
| from: 'inherit', | |
| to: '20px', | |
| }, [ | |
| {at: -0.3, is: '33px'}, | |
| {at: 0, is: '30px'}, | |
| {at: 0.5, is: '25px'}, | |
| {at: 1, is: '20px'}, | |
| {at: 1.5, is: '15px'}, | |
| ]); | |
| assertInterpolation({ | |
| property: '--length', | |
| from: 'unset', | |
| to: '20px', | |
| }, [ | |
| {at: -0.3, is: '46px'}, | |
| {at: 0, is: '40px'}, | |
| {at: 0.5, is: '30px'}, | |
| {at: 1, is: '20px'}, | |
| {at: 1.5, is: '10px'}, | |
| ]); | |
| assertInterpolation({ | |
| property: '--length', | |
| from: '-10px', | |
| to: '10px', | |
| }, [ | |
| {at: -0.3, is: '-16px'}, | |
| {at: 0, is: '-10px'}, | |
| {at: 0.5, is: '0px'}, | |
| {at: 1, is: '10px'}, | |
| {at: 1.5, is: '20px'} | |
| ]); | |
| assertInterpolation({ | |
| property: '--length', | |
| from: '10em', | |
| to: '20em', | |
| }, [ | |
| {at: -0.3, is: '140px'}, | |
| {at: 0, is: '200px'}, | |
| {at: 0.5, is: '300px'}, | |
| {at: 1, is: '400px'}, | |
| {at: 1.5, is: '500px'} | |
| ]); | |
| assertInterpolation({ | |
| property: '--length', | |
| from: '10em', | |
| to: '100px', | |
| }, [ | |
| {at: -0.3, is: '230px'}, | |
| {at: 0, is: '200px'}, | |
| {at: 0.5, is: '150px'}, | |
| {at: 1, is: '100px'}, | |
| {at: 1.5, is: '50px'} | |
| ]); | |
| </script> | |
| </body> |