chromium/third_party/blink/web_tests/external/wpt/css/selectors/focus-visible-025.html

<!DOCTYPE html>
<meta charset="utf-8" />
<title>CSS Test (Selectors): Element matches :focus-visiblel after accesskey after previous mouse focus</title>
<link rel="author" title="Manuel Rego Casasnovas" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/selectors-4/#the-focus-visible-pseudo" />
<meta name="assert" content="This test checks that :focus-visible matches after focusing an element using accesskey, even when previously another element has been focused by mouse click.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/accesskey.js"></script>
<script src="/css/support/parsing-testcommon.js"></script>
<style>
  :focus-visible {
    outline: green solid 5px;
  }
</style>

<div id="initial" tabindex="0">Initial</div>
<div id="targetA" tabindex="0" accesskey="a">Target A</div>
<button id="targetB" tabindex="0" accesskey="b">Target B</button>
<script>
  // Check that :focus-visible is supported.
  test_valid_selector(':focus-visible');

  promise_test(async t => {
    await test_driver.click(initial);
    assert_equals(getComputedStyle(initial).outlineStyle, "none", `outline-style for ${initial.tagName}#${initial.id} should be none`);

    await pressAccessKey("a");
    assert_equals(getComputedStyle(targetA).outlineStyle, "solid", `outline-style for ${targetA.tagName}#${targetA.id} should be solid`);
    assert_equals(getComputedStyle(targetA).outlineColor, "rgb(0, 128, 0)", `outlineColor for ${targetA.tagName}#${targetA.id} should be green`);
    t.done();
  }, ":focus-visible matches after accesskey on DIV after previous mouse focus");

  promise_test(async t => {
    await test_driver.click(initial);
    assert_equals(getComputedStyle(initial).outlineStyle, "none", `outline-style for ${initial.tagName}#${initial.id} should be none`);

    await pressAccessKey("b");
    assert_equals(getComputedStyle(targetB).outlineStyle, "solid", `outline-style for ${targetB.tagName}#${targetB.id} should be solid`);
    assert_equals(getComputedStyle(targetB).outlineColor, "rgb(0, 128, 0)", `outlineColor for ${targetB.tagName}#${targetB.id} should be green`);
    t.done();
  }, ":focus-visible matches after accesskey on BUTTON after previous mouse focus");
</script>