| <!DOCTYPE html> |
| <meta charset="UTF-8"> |
| <style> |
| .parent { |
| -webkit-column-count: 1; |
| } |
| .target { |
| width: 300px; |
| height: 80px; |
| background-color: black; |
| display: inline-block; |
| margin: 18px; |
| color: orange; |
| overflow: hidden; |
| -webkit-column-count: 9; |
| } |
| .expected { |
| background-color: green; |
| } |
| </style> |
| <body> |
| <template id="target-template"> |
| <div>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</div> |
| </template> |
| <script src="resources/interpolation-test.js"></script> |
| <script> |
| assertInterpolation({ |
| property: '-webkit-column-count', |
| from: neutralKeyframe, |
| to: '5', |
| }, [ |
| {at: -0.4, is: '11'}, |
| {at: -0.2, is: '10'}, |
| {at: 0, is: '9'}, |
| {at: 0.2, is: '8'}, |
| {at: 0.4, is: '7'}, |
| {at: 0.6, is: '7'}, |
| {at: 0.8, is: '6'}, |
| {at: 1, is: '5'}, |
| {at: 1.2, is: '4'}, |
| ]); |
| |
| assertNoInterpolation({ |
| property: '-webkit-column-count', |
| from: 'initial', |
| to: '5', |
| }); |
| |
| assertInterpolation({ |
| property: '-webkit-column-count', |
| from: 'inherit', |
| to: '5', |
| }, [ |
| {at: -0.4, is: '1'}, |
| {at: -0.2, is: '1'}, |
| {at: 0, is: '1'}, |
| {at: 0.2, is: '2'}, |
| {at: 0.4, is: '3'}, |
| {at: 0.6, is: '3'}, |
| {at: 0.8, is: '4'}, |
| {at: 1, is: '5'}, |
| {at: 1.2, is: '6'}, |
| ]); |
| |
| assertNoInterpolation({ |
| property: '-webkit-column-count', |
| from: 'unset', |
| to: '5', |
| }); |
| |
| assertNoInterpolation({ |
| property: '-webkit-column-count', |
| from: 'auto', |
| to: '5' |
| }); |
| |
| assertInterpolation({ |
| property: '-webkit-column-count', |
| from: '1', |
| to: '6' |
| }, [ |
| {at: -0.4, is: '1'}, // Must be strictly positive |
| {at: -0.2, is: '1'}, // Must be strictly positive |
| {at: 0, is: '1'}, |
| {at: 0.2, is: '2'}, |
| {at: 0.4, is: '3'}, |
| {at: 0.6, is: '4'}, |
| {at: 0.8, is: '5'}, |
| {at: 1, is: '6'}, |
| {at: 1.2, is: '7'} |
| ]); |
| |
| // Zero is an invalid value, so this is equivalent to animating from 'auto' to |
| // 5. |
| assertInterpolation({ |
| property: '-webkit-column-count', |
| from: '1', |
| to: '5' |
| }, [ |
| {at: -0.5, is: '1'}, // Must be strictly positive |
| {at: -0.25, is: '1'}, // Must be strictly positive |
| {at: 0, is: '1'}, |
| {at: 0.25, is: '2'}, |
| {at: 0.5, is: '3'}, |
| {at: 0.75, is: '4'}, |
| {at: 1, is: '5'}, |
| {at: 1.25, is: '6'} |
| ]); |
| </script> |
| </body> |
