| <!DOCTYPE html> |
| <meta charset="UTF-8"> |
| <link rel="help" href="https://drafts.csswg.org/css-backgrounds-3/#background-color"> |
| <meta name="test" content="background-color supports animation as a <color>"> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/css/support/interpolation-testcommon.js"></script> |
| |
| <style> |
| .parent { |
| background-color: #eee; |
| } |
| .target { |
| width: 60px; |
| height: 60px; |
| display: inline-block; |
| border: 2px solid black; |
| margin-right: 2px; |
| color: rgba(0, 0, 255, 0.5); |
| background-color: black; |
| } |
| .expected { |
| margin-right: 15px; |
| } |
| </style> |
| |
| <body></body> |
| |
| <script> |
| test_interpolation({ |
| property: 'background-color', |
| from: neutralKeyframe, |
| to: 'green', |
| }, [ |
| {at: -0.3, expect: 'rgb(0, 0, 0)'}, |
| {at: 0, expect: 'rgb(0, 0, 0)'}, |
| {at: 0.3, expect: 'rgb(0, 38, 0)'}, |
| {at: 0.6, expect: 'rgb(0, 77, 0)'}, |
| {at: 1, expect: 'rgb(0, 128, 0)'}, |
| {at: 1.5, expect: 'rgb(0, 192, 0)'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'background-color', |
| from: 'initial', |
| to: 'green', |
| }, [ |
| {at: -0.3, expect: 'rgba(0, 0, 0, 0)'}, |
| {at: 0, expect: 'rgba(0, 0, 0, 0)'}, |
| {at: 0.3, expect: 'rgba(0, 128, 0, 0.3)'}, |
| {at: 0.6, expect: 'rgba(0, 128, 0, 0.6)'}, |
| {at: 1, expect: 'rgb(0, 128, 0)'}, |
| {at: 1.5, expect: 'rgb(0, 192, 0)'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'background-color', |
| from: 'inherit', |
| to: 'green', |
| }, [ |
| {at: -0.3, expect: 'rgb(255, 255, 255)'}, |
| {at: 0, expect: 'rgb(238, 238, 238)'}, |
| {at: 0.3, expect: 'rgb(167, 205, 167)'}, |
| {at: 0.6, expect: 'rgb(95, 172, 95)'}, |
| {at: 1, expect: 'rgb(0, 128, 0)'}, |
| {at: 1.5, expect: 'rgb(0, 73, 0)'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'background-color', |
| from: 'unset', |
| to: 'green', |
| }, [ |
| {at: -0.3, expect: 'rgba(0, 0, 0, 0)'}, |
| {at: 0, expect: 'rgba(0, 0, 0, 0)'}, |
| {at: 0.3, expect: 'rgba(0, 128, 0, 0.3)'}, |
| {at: 0.6, expect: 'rgba(0, 128, 0, 0.6)'}, |
| {at: 1, expect: 'rgb(0, 128, 0)'}, |
| {at: 1.5, expect: 'rgb(0, 192, 0)'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'background-color', |
| from: 'white', |
| to: 'orange', |
| }, [ |
| {at: -0.3, expect: 'white'}, |
| {at: 0, expect: 'white'}, |
| {at: 0.3, expect: 'rgb(255, 228, 179)'}, |
| {at: 0.6, expect: 'rgb(255, 201, 102)'}, |
| {at: 1, expect: 'orange'}, |
| {at: 1.5, expect: 'rgb(255, 120, 0)'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'background-color', |
| from: 'transparent', |
| to: 'green', |
| }, [ |
| {at: -0.3, expect: 'rgba(0, 0, 0, 0)'}, |
| {at: 0, expect: 'rgba(0, 0, 0, 0)'}, |
| {at: 0.3, expect: 'rgba(0, 128, 0, 0.3)'}, |
| {at: 0.6, expect: 'rgba(0, 128, 0, 0.6)'}, |
| {at: 1, expect: 'rgb(0, 128, 0)'}, |
| {at: 1.5, expect: 'rgb(0, 192, 0)'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'background-color', |
| from: 'currentcolor', |
| to: 'rgba(0, 255, 0, 0.75)', |
| }, [ |
| {at: -0.5, expect: 'rgba(0, 0, 255, 0.38)'}, |
| {at: 0, expect: 'rgba(0, 0, 255, 0.5)'}, |
| {at: 0.25, expect: 'rgba(0, 85, 170, 0.56)'}, |
| {at: 0.5, expect: 'rgba(0, 153, 102, 0.63)'}, |
| {at: 0.75, expect: 'rgba(0, 208, 47, 0.69)'}, |
| {at: 1, expect: 'rgba(0, 255, 0, 0.75)'}, |
| {at: 1.5, expect: 'rgba(0, 255, 0, 0.88)'}, |
| ]); |
| </script> |