parse-part.html - mozsearch

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /css/selectors/parsing/parse-part.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8" />

<title>CSS Selectors: part pseudo selectors</title>

<link rel="help" href="https://drafts.csswg.org/css-shadow-parts/#part" />

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/css/support/parsing-testcommon.js"></script>

<script>

  test_valid_selector("::part(--foo)");

  test_valid_selector("::part(bar)");

  test_valid_selector("::part(--)");

  test_valid_selector("::part(--0)");

  test_valid_selector("::part(foo bar)");

  test_valid_selector("::part(-foo bar)");

  test_valid_selector("::part(foo):focus");

  test_valid_selector("::part(foo):hover");

  test_valid_selector("::part(foo):focus-within");

  test_valid_selector("::part(foo)::before");

  test_valid_selector("::part(foo)::after");

  test_valid_selector("::part(foo)::placeholder");

  test_valid_selector("::part(foo)::first-line");

  test_valid_selector("::part(foo)::first-letter");

  test_valid_selector("::part(foo)::file-selector-button");

  test_valid_selector("::part(foo):is(:focus)");

  test_valid_selector(":lang(en)::part(foo)");

  test_valid_selector(":dir(ltr)::part(foo)");

  test_valid_selector("::part(foo):lang(en)");

  test_valid_selector("::part(foo):dir(ltr)");

  test_valid_selector("::part(foo):disabled");

  test_valid_selector("::part(foo):checked");

  test_invalid_selector(":part()");

  test_invalid_selector(":part(0)");

  test_invalid_selector(":part('foo')");

  test_invalid_selector(":part([foo])");

  test_invalid_selector('::part(foo) + ::part(bar)');

  // Note: the serialization behavior of the following is as resolved in

  // https://github.com/w3c/csswg-drafts/issues/8356 but it has not yet been

  // specified.

  test_valid_forgiving_selector("::part(foo):is(ul)");

  test_valid_forgiving_selector("::part(foo):is(nav ul)");

  test_valid_forgiving_selector("::part(foo):where(ul)");

  test_valid_forgiving_selector("::part(foo):where(nav ul)");

  test_invalid_selector("::part(foo):has(li)");

</script>