border-radius-interpolation.html (3770B)
1 <!DOCTYPE html> 2 <meta charset="UTF-8"> 3 <title>border-radius interpolation</title> 4 <link rel="help" href="https://drafts.csswg.org/css-backgrounds-3/#border-radius"> 5 <meta name="assert" content="border-radius supports animation by computed value"> 6 7 <script src="/resources/testharness.js"></script> 8 <script src="/resources/testharnessreport.js"></script> 9 <script src="/css/support/interpolation-testcommon.js"></script> 10 11 <style> 12 .parent { 13 border-radius: 30px; 14 } 15 .target { 16 width: 80px; 17 height: 80px; 18 display: inline-block; 19 background-color: black; 20 margin-right: 5px; 21 border-radius: 10px; 22 } 23 .expected { 24 background-color: green; 25 margin-right: 15px; 26 } 27 </style> 28 29 <body></body> 30 31 <script> 32 // As per https://bugzilla.mozilla.org/show_bug.cgi?id=137688, Firefox does not 33 // support getComputedStyle for shorthands. As such, we have one test for this 34 // which explicitly checks the shorthand variant, but most tests use one of the 35 // longhands instead. 36 function compareNotEmpty(actual, expected) { 37 assert_equals(actual, expected); 38 assert_not_equals(actual, ''); 39 } 40 41 test_interpolation({ 42 property: 'border-radius', 43 from: '20px 40px 60px 80px / 120px 140px 160px 180px', 44 to: '30px 50px 70px 90px / 130px 150px 170px 190px', 45 comparisonFunction: compareNotEmpty, 46 }, [ 47 {at: -0.3, expect: '17px 37px 57px 77px / 117px 137px 157px 177px'}, 48 {at: 0, expect: '20px 40px 60px 80px / 120px 140px 160px 180px'}, 49 {at: 0.3, expect: '23px 43px 63px 83px / 123px 143px 163px 183px'}, 50 {at: 0.6, expect: '26px 46px 66px 86px / 126px 146px 166px 186px'}, 51 {at: 1, expect: '30px 50px 70px 90px / 130px 150px 170px 190px'}, 52 {at: 1.5, expect: '35px 55px 75px 95px / 135px 155px 175px 195px'} 53 ]); 54 55 test_interpolation({ 56 property: 'border-top-left-radius', 57 from: neutralKeyframe, 58 to: '20px', 59 }, [ 60 {at: -0.3, expect: '7px'}, 61 {at: 0, expect: '10px'}, 62 {at: 0.3, expect: '13px'}, 63 {at: 0.6, expect: '16px'}, 64 {at: 1, expect: '20px'}, 65 {at: 1.5, expect: '25px'}, 66 ]); 67 test_interpolation({ 68 property: 'border-top-left-radius', 69 from: 'initial', 70 to: '20px', 71 }, [ 72 {at: -0.3, expect: '0px'}, 73 {at: 0, expect: '0px'}, 74 {at: 0.3, expect: '6px'}, 75 {at: 0.6, expect: '12px'}, 76 {at: 1, expect: '20px'}, 77 {at: 1.5, expect: '30px'}, 78 ]); 79 test_interpolation({ 80 property: 'border-top-left-radius', 81 from: 'inherit', 82 to: '20px', 83 }, [ 84 {at: -0.3, expect: '33px'}, 85 {at: 0, expect: '30px'}, 86 {at: 0.3, expect: '27px'}, 87 {at: 0.6, expect: '24px'}, 88 {at: 1, expect: '20px'}, 89 {at: 1.5, expect: '15px'}, 90 ]); 91 test_interpolation({ 92 property: 'border-top-left-radius', 93 from: 'unset', 94 to: '20px', 95 }, [ 96 {at: -0.3, expect: '0px'}, 97 {at: 0, expect: '0px'}, 98 {at: 0.3, expect: '6px'}, 99 {at: 0.6, expect: '12px'}, 100 {at: 1, expect: '20px'}, 101 {at: 1.5, expect: '30px'}, 102 ]); 103 test_interpolation({ 104 property: 'border-top-left-radius', 105 from: '10px', 106 to: '50px' 107 }, [ 108 {at: -0.3, expect: '0px'}, // CSS border-top-left-radius can't be negative. 109 {at: 0, expect: '10px'}, 110 {at: 0.3, expect: '22px'}, 111 {at: 0.6, expect: '34px'}, 112 {at: 1, expect: '50px'}, 113 {at: 1.5, expect: '70px'}, 114 ]); 115 test_interpolation({ 116 property: 'border-top-left-radius', 117 from: '10px', 118 to: '100%' 119 }, [ 120 {at: -0.3, expect: 'calc(13px + -30%)'}, 121 {at: 0, expect: 'calc(10px + 0%)'}, 122 {at: 0.3, expect: 'calc(7px + 30%)'}, 123 {at: 0.6, expect: 'calc(4px + 60%)'}, 124 {at: 1, expect: '100%'}, 125 {at: 1.5, expect: 'calc(-5px + 150%)'}, 126 ]); 127 128 test_interpolation({ 129 property: 'border-top-left-radius', 130 from: '20px', 131 to: '10px 30px' 132 }, [ 133 {at: -2, expect: '40px 0px'}, 134 {at: -0.3, expect: '23px 17px'}, 135 {at: 0, expect: '20px'}, 136 {at: 0.3, expect: '17px 23px'}, 137 {at: 0.6, expect: '14px 26px'}, 138 {at: 1, expect: '10px 30px'}, 139 {at: 1.5, expect: '5px 35px'} 140 ]); 141 </script>