| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Forced colors mode - alpha channel. |
| Tests that the alpha channel for background colors are preserved in forced |
| colors mode. |
| </title> |
| <link rel="help" href="https://www.w3.org/TR/css-color-adjust-1/#forced-colors-properties"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| body { |
| background-color: Canvas; |
| } |
| div { |
| background-color: rgba(114, 173, 218, .3); |
| } |
| </style> |
| <body id="body"> |
| <div id="div"> |
| Background colors should maintain their alpha channels in forced |
| colors mode. |
| </div> |
| </body> |
| |
| <script> |
| var body_color = getComputedStyle(body).backgroundColor; |
| var expected_div_color = body_color.replace(')', ', 0.3)').replace('rgb(', 'rgba('); |
| test(function(){ |
| assert_equals(getComputedStyle(div).backgroundColor, expected_div_color); |
| }, "Checks that background color alpha channels are preserved in forced colors mode."); |
| </script> |
