| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>offset-position interpolation</title> |
| <link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org"> |
| <link rel="help" href="https://drafts.fxtf.org/motion-1/#offset-position-property"> |
| <meta name="assert" content="offset-position supports <position> animation."> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/css/support/interpolation-testcommon.js"></script> |
| <style> |
| .parent { |
| offset-position: 30px 10px; |
| } |
| .target { |
| offset-position: 10px 30px; |
| } |
| </style> |
| </head> |
| <body> |
| <script> |
| test_interpolation({ |
| property: 'offset-position', |
| from: '220px 240px', |
| to: '300px 400px', |
| }, [ |
| {at: -1, expect: '140px 80px'}, |
| {at: 0, expect: '220px 240px'}, |
| {at: 0.125, expect: '230px 260px'}, |
| {at: 0.875, expect: '290px 380px'}, |
| {at: 1, expect: '300px 400px'}, |
| {at: 2, expect: '380px 560px'} |
| ]); |
| |
| test_interpolation({ |
| property: 'offset-position', |
| from: 'left 480px top 400px', |
| to: 'right -140% bottom -60%', |
| }, [ |
| {at: -1, expect: 'calc(960px - 240%) calc(800px - 160%)'}, |
| {at: 0, expect: 'left 480px top 400px'}, |
| {at: 0.125, expect: 'calc(420px + 30%) calc(350px + 20%)'}, |
| {at: 0.875, expect: 'calc(210% + 60px) calc(140% + 50px)'}, |
| {at: 1, expect: 'right -140% bottom -60%'}, |
| {at: 2, expect: 'calc(480% - 480px) calc(320% - 400px)'} |
| ]); |
| |
| test_interpolation({ |
| property: 'offset-position', |
| from: 'left top', |
| to: 'left 8px bottom 20%', |
| }, [ |
| {at: -1, expect: '-8px -80%'}, |
| {at: 0, expect: 'left top'}, |
| {at: 0.125, expect: '1px 10%'}, |
| {at: 0.875, expect: '7px 70%'}, |
| {at: 1, expect: 'left 8px bottom 20%'}, |
| {at: 2, expect: '16px 160%'} |
| ]); |
| |
| test_no_interpolation({ |
| property: 'offset-position', |
| from: 'right 10px top 20%', |
| to: 'auto' |
| }); |
| |
| test_interpolation({ |
| property: 'offset-position', |
| from: neutralKeyframe, |
| to: '20px 20px', |
| }, [ |
| {at: -0.3, expect: '7px 33px'}, |
| {at: 0, expect: '10px 30px'}, |
| {at: 0.3, expect: '13px 27px'}, |
| {at: 0.6, expect: '16px 24px'}, |
| {at: 1, expect: '20px 20px'}, |
| {at: 1.5, expect: '25px 15px'}, |
| ]); |
| |
| test_no_interpolation({ |
| property: 'offset-position', |
| from: 'initial', |
| to: '20px 20px', |
| }); |
| |
| test_interpolation({ |
| property: 'offset-position', |
| from: 'inherit', |
| to: '20px 20px', |
| }, [ |
| {at: -0.3, expect: '33px 7px'}, |
| {at: 0, expect: '30px 10px'}, |
| {at: 0.3, expect: '27px 13px'}, |
| {at: 0.6, expect: '24px 16px'}, |
| {at: 1, expect: '20px 20px'}, |
| {at: 1.5, expect: '15px 25px'}, |
| ]); |
| |
| test_no_interpolation({ |
| property: 'offset-position', |
| from: 'unset', |
| to: '20px 20px', |
| }); |
| |
| test_interpolation({ |
| property: 'offset-position', |
| from: '0% 50%', |
| to: '100% 150%' |
| }, [ |
| {at: -0.3, expect: '-30% 20%'}, |
| {at: 0, expect: '0% 50%'}, |
| {at: 0.3, expect: '30% 80%'}, |
| {at: 0.6, expect: '60% 110%'}, |
| {at: 1, expect: '100% 150%'}, |
| {at: 1.5, expect: '150% 200%'} |
| ]); |
| |
| test_no_interpolation({ |
| property: 'offset-position', |
| from: 'auto', |
| to: '20px 20px', |
| }); |
| </script> |
| </body> |
| </html> |
