| <!DOCTYPE html> |
| <meta charset="UTF-8"> |
| <title>border-radius interpolation</title> |
| <link rel="help" href="https://drafts.csswg.org/css-backgrounds-3/#border-radius"> |
| <meta name="assert" content="border-radius 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 { |
| border-radius: 30px; |
| } |
| .target { |
| width: 80px; |
| height: 80px; |
| display: inline-block; |
| background-color: black; |
| margin-right: 5px; |
| border-radius: 10px; |
| } |
| .expected { |
| background-color: green; |
| margin-right: 15px; |
| } |
| </style> |
| |
| <body></body> |
| |
| <script> |
| // As per https://bugzilla.mozilla.org/show_bug.cgi?id=137688, Firefox does not |
| // support getComputedStyle for shorthands. As such, we have one test for this |
| // which explicitly checks the shorthand variant, but most tests use one of the |
| // longhands instead. |
| function compareNotEmpty(actual, expected) { |
| assert_equals(actual, expected); |
| assert_not_equals(actual, ''); |
| } |
| |
| test_interpolation({ |
| property: 'border-radius', |
| from: '20px 40px 60px 80px / 120px 140px 160px 180px', |
| to: '30px 50px 70px 90px / 130px 150px 170px 190px', |
| comparisonFunction: compareNotEmpty, |
| }, [ |
| {at: -0.3, expect: '17px 37px 57px 77px / 117px 137px 157px 177px'}, |
| {at: 0, expect: '20px 40px 60px 80px / 120px 140px 160px 180px'}, |
| {at: 0.3, expect: '23px 43px 63px 83px / 123px 143px 163px 183px'}, |
| {at: 0.6, expect: '26px 46px 66px 86px / 126px 146px 166px 186px'}, |
| {at: 1, expect: '30px 50px 70px 90px / 130px 150px 170px 190px'}, |
| {at: 1.5, expect: '35px 55px 75px 95px / 135px 155px 175px 195px'} |
| ]); |
| |
| test_interpolation({ |
| property: 'border-top-left-radius', |
| 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: 'border-top-left-radius', |
| from: 'initial', |
| 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: 'border-top-left-radius', |
| from: 'inherit', |
| to: '20px', |
| }, [ |
| {at: -0.3, expect: '33px'}, |
| {at: 0, expect: '30px'}, |
| {at: 0.3, expect: '27px'}, |
| {at: 0.6, expect: '24px'}, |
| {at: 1, expect: '20px'}, |
| {at: 1.5, expect: '15px'}, |
| ]); |
| test_interpolation({ |
| property: 'border-top-left-radius', |
| from: 'unset', |
| 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: 'border-top-left-radius', |
| from: '10px', |
| to: '50px' |
| }, [ |
| {at: -0.3, expect: '0px'}, // CSS border-top-left-radius can't be negative. |
| {at: 0, expect: '10px'}, |
| {at: 0.3, expect: '22px'}, |
| {at: 0.6, expect: '34px'}, |
| {at: 1, expect: '50px'}, |
| {at: 1.5, expect: '70px'}, |
| ]); |
| test_interpolation({ |
| property: 'border-top-left-radius', |
| from: '10px', |
| to: '100%' |
| }, [ |
| {at: -0.3, expect: 'calc(13px + -30%)'}, |
| {at: 0, expect: 'calc(10px + 0%)'}, |
| {at: 0.3, expect: 'calc(7px + 30%)'}, |
| {at: 0.6, expect: 'calc(4px + 60%)'}, |
| {at: 1, expect: '100%'}, |
| {at: 1.5, expect: 'calc(-5px + 150%)'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'border-top-left-radius', |
| from: '20px', |
| to: '10px 30px' |
| }, [ |
| {at: -2, expect: '40px 0px'}, |
| {at: -0.3, expect: '23px 17px'}, |
| {at: 0, expect: '20px'}, |
| {at: 0.3, expect: '17px 23px'}, |
| {at: 0.6, expect: '14px 26px'}, |
| {at: 1, expect: '10px 30px'}, |
| {at: 1.5, expect: '5px 35px'} |
| ]); |
| </script> |
