| <!DOCTYPE html> |
| <meta charset="UTF-8"> |
| <title>calc interpolation</title> |
| <link rel="help" href="https://drafts.csswg.org/css-values-3/#calc-notation"> |
| <meta name="assert" content="calc 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> |
| .container { |
| position: relative; |
| width: 50px; |
| height: 50px; |
| border: black solid 2px; |
| display: inline-block; |
| margin-left: 10px; |
| margin-right: 10px; |
| background-color: white; |
| } |
| .target { |
| position: absolute; |
| width: 10px; |
| height: 50px; |
| background-color: black; |
| } |
| .expected { |
| background-color: green; |
| } |
| </style> |
| |
| <body> |
| <template id="target-template"> |
| <div class="container"> |
| <div class="target"></div> |
| </div> |
| </template> |
| <div class="target" id="inf-target"></div> |
| <script> |
| const APPROX_INFINITY = (function() { |
| const target = document.getElementById("inf-target"); |
| target.style.letterSpacing = "calc(1px * infinity)"; |
| const inf = parseFloat(getComputedStyle(target).letterSpacing); |
| target.remove(); |
| return inf; |
| }()); |
| |
| test_interpolation({ |
| property: 'left', |
| from: '0px', |
| to: 'calc(infinity * 1px)', |
| target_names:['CSS Transitions', 'CSS Transitions with transition: all'] |
| }, [ |
| {at: -0.25, expect: `${APPROX_INFINITY * -0.25 }px`}, |
| {at: 0, expect: '0px'}, |
| {at: 0.25, expect: `${APPROX_INFINITY * 0.25}px`}, |
| {at: 0.5, expect: `${APPROX_INFINITY * 0.5}px`}, |
| {at: 0.75, expect: `${APPROX_INFINITY * 0.75}px`}, |
| {at: 1, expect: `${APPROX_INFINITY}px`}, |
| {at: 1.25, expect: `${APPROX_INFINITY * 1.25}px`} |
| ]); |
| |
| test_interpolation({ |
| property: 'left', |
| from: '0px', |
| to: 'calc(infinity * 1px)', |
| target_names:['CSS Animations', 'Web Animations'] |
| }, [ |
| {at: -0.25, expect: `${-APPROX_INFINITY}px`}, |
| {at: 0, expect: `0px`}, |
| {at: 0.25, expect: `${APPROX_INFINITY}px`}, |
| {at: 0.5, expect: `${APPROX_INFINITY}px`}, |
| {at: 0.75, expect: `${APPROX_INFINITY}px`}, |
| {at: 1, expect: `${APPROX_INFINITY}px`}, |
| {at: 1.25, expect: `${APPROX_INFINITY}px`} |
| ]); |
| |
| test_interpolation({ |
| property: 'left', |
| from: 'calc(50% - 25px)', |
| to: 'calc(100% - 10px)' |
| }, [ |
| {at: -0.25, expect: '-10px'}, |
| {at: 0, expect: '0px'}, |
| {at: 0.25, expect: '10px'}, |
| {at: 0.5, expect: '20px'}, |
| {at: 0.75, expect: '30px'}, |
| {at: 1, expect: '40px'}, |
| {at: 1.25, expect: '50px'} |
| ]); |
| |
| test_interpolation({ |
| property: 'text-indent', |
| from: 'calc(50% - 25px)', |
| to: 'calc(100% - 10px)' |
| }, [ |
| {at: -0.25, expect: 'calc(((50% - 25px) * 1.25) + ((100% - 10px) * -0.25))'}, |
| {at: 0, expect: 'calc(50% - 25px)'}, |
| {at: 0.25, expect: 'calc(((50% - 25px) * 0.75) + ((100% - 10px) * 0.25))'}, |
| {at: 0.5, expect: 'calc(((50% - 25px) * 0.5) + ((100% - 10px) * 0.5))'}, |
| {at: 0.75, expect: 'calc(((50% - 25px) * 0.25) + ((100% - 10px) * 0.75))'}, |
| {at: 1, expect: 'calc(100% - 10px)'}, |
| {at: 1.25, expect: 'calc(((50% - 25px) * -0.25) + ((100% - 10px) * 1.25))'} |
| ]); |
| |
| test_interpolation({ |
| property: 'text-indent', |
| from: '0em', |
| to: '100px' |
| }, [ |
| {at: -0.25, expect: '-25px'}, |
| {at: 0, expect: '0em'}, |
| {at: 0.25, expect: '25px'}, |
| {at: 0.5, expect: '50px'}, |
| {at: 0.75, expect: '75px'}, |
| {at: 1, expect: '100px'}, |
| {at: 1.25, expect: '125px'} |
| ]); |
| |
| test_interpolation({ |
| property: 'text-indent', |
| from: '0%', |
| to: '100px' |
| }, [ |
| {at: -0.25, expect: 'calc(0% + -25px)'}, |
| {at: 0, expect: '0%'}, |
| {at: 0.25, expect: 'calc(0% + 25px)'}, |
| {at: 0.5, expect: 'calc(0% + 50px)'}, |
| {at: 0.75, expect: 'calc(0% + 75px)'}, |
| {at: 1, expect: 'calc(0% + 100px)'}, |
| {at: 1.25, expect: 'calc(0% + 125px)'} |
| ]); |
| |
| </script> |
| </body> |
