| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8" /> |
| <title>CSS Test (Selectors): Keyboard focus enables :focus-visible</title> |
| <link rel="author" title="Alice Boxhall" href="aboxhall@chromium.org" /> |
| <link rel="help" href="https://drafts.csswg.org/selectors-4/#the-focus-visible-pseudo" /> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| @supports not (selector(:focus-visible)) { |
| #button:focus { |
| outline: red solid 5px; |
| background-color: red; |
| } |
| } |
| |
| :focus-visible { |
| outline: green solid 5px; |
| } |
| |
| #button:focus:not(:focus-visible) { |
| background-color: red; |
| outline: 0; |
| } |
| </style> |
| </head> |
| <body> |
| This test checks that any element focused via an <code>autofocus</code> attribute will have <code>:focus-visible</code> matching enabled. |
| <ul id="instructions"> |
| <li>If the button that says "I will be focused automatically" has a red background, then the test result is FAILURE. If it has a green outline, then the test result is SUCCESS.</li> |
| </ul> |
| <br /> |
| <button id="button" autofocus tabindex="-1">I will be focused automatically.</button> |
| <script> |
| async_test(function(t) { |
| button.addEventListener("focus", t.step_func(function() { |
| assert_equals(getComputedStyle(button).outlineColor, "rgb(0, 128, 0)", `outlineColor for ${button.tagName}#${button.id} should be green`); |
| assert_not_equals(getComputedStyle(button).backgroundColor, "rgb(255, 0, 0)", `backgroundColor for ${button.tagName}#${button.id} should NOT be red`); |
| t.done(); |
| })); |
| |
| // Handle the case where the button is focused before the test runs. |
| if (document.activeElement === button) { |
| assert_equals(getComputedStyle(button).outlineColor, "rgb(0, 128, 0)", `outlineColor for ${button.tagName}#${button.id} should be green`); |
| assert_not_equals(getComputedStyle(button).backgroundColor, "rgb(255, 0, 0)", `backgroundColor for ${button.tagName}#${button.id} should NOT be red`); |
| t.done(); |
| } |
| |
| }, "Autofocus should match :focus-visible"); |
| </script> |
| </body> |
| </html> |
