| <!DOCTYPE html> |
| <meta charset="UTF-8"> |
| <style> |
| .parent { |
| --image: url('http://parent.png'); |
| } |
| .target { |
| --image: url('http://underlying.png'); |
| } |
| </style> |
| <body> |
| <script src="../interpolation/resources/interpolation-test.js"></script> |
| <script> |
| CSS.registerProperty({ |
| name: '--image', |
| syntax: '<image>', |
| initialValue: "url('http://initial.png')", |
| inherits: false, |
| }); |
| |
| assertInterpolation({ |
| property: '--image', |
| from: neutralKeyframe, |
| to: "url('http://value.png')", |
| }, [ |
| {at: -0.3, is: "url('http://underlying.png')"}, |
| {at: 0, is: "(url('http://underlying.png')"}, |
| {at: 0.5, is: "-webkit-cross-fade(url('http://underlying.png'), url('http://value.png'), 0.5)"}, |
| {at: 1, is: "url('http://value.png')"}, |
| {at: 1.5, is: "url('http://value.png')"}, |
| ]); |
| |
| assertInterpolation({ |
| property: '--image', |
| from: 'initial', |
| to: "url('http://value.png')", |
| }, [ |
| {at: -0.3, is: "url('http://initial.png')"}, |
| {at: 0, is: "url('http://initial.png')"}, |
| {at: 0.5, is: "-webkit-cross-fade(url('http://initial.png'), url('http://value.png'), 0.5)"}, |
| {at: 1, is: "url('http://value.png')"}, |
| {at: 1.5, is: "url('http://value.png')"}, |
| ]); |
| |
| assertInterpolation({ |
| property: '--image', |
| from: 'inherit', |
| to: "url('http://value.png')", |
| }, [ |
| {at: -0.3, is: "url('http://parent.png')"}, |
| {at: 0, is: "url('http://parent.png')"}, |
| {at: 0.5, is: "-webkit-cross-fade(url('http://parent.png'), url('http://value.png'), 0.5)"}, |
| {at: 1, is: "url('http://value.png')"}, |
| {at: 1.5, is: "url('http://value.png')"}, |
| ]); |
| |
| assertInterpolation({ |
| property: '--image', |
| from: 'unset', |
| to: "url('http://value.png')", |
| }, [ |
| {at: -0.3, is: "url('http://initial.png')"}, |
| {at: 0, is: "url('http://initial.png')"}, |
| {at: 0.5, is: "-webkit-cross-fade(url('http://initial.png'), url('http://value.png'), 0.5)"}, |
| {at: 1, is: "url('http://value.png')"}, |
| {at: 1.5, is: "url('http://value.png')"}, |
| ]); |
| |
| assertInterpolation({ |
| property: '--image', |
| from: "url('http://a.png')", |
| to: "url('http://b.png')", |
| }, [ |
| {at: -0.3, is: "url('http://a.png')"}, |
| {at: 0, is: "url('http://a.png')"}, |
| {at: 0.5, is: "-webkit-cross-fade(url('http://a.png'), url('http://b.png'), 0.5)"}, |
| {at: 1, is: "url('http://b.png')"}, |
| {at: 1.5, is: "url('http://b.png')"}, |
| ]); |
| </script> |
| </body> |
