slotted-parsing.html

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This test has a WPT meta file that expects 6 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /css/css-scoping/slotted-parsing.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>CSS Scoping: ::slotted pseudo parsing</title>

<link rel="author" title="Rune Lillesveen" href="mailto:rune@opera.com">

<link rel="help" href="https://drafts.csswg.org/css-scoping/#slotted-pseudo">

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

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

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

<style id="styleElm">

</style>

<script>

  test_invalid_selector("::slotted");

  test_invalid_selector("::slotted()");

  test_invalid_selector("::slotted(*).class");

  test_invalid_selector("::slotted(*)#id {}");

  test_invalid_selector("::slotted(*)[attr]");

  test_invalid_selector("::slotted(*):host");

  test_invalid_selector("::slotted(*):host(div)");

  test_invalid_selector("::slotted(*):hover");

  test_invalid_selector("::slotted(*):read-only");

  test_invalid_selector("::slotted(*)::slotted(*)");

  test_invalid_selector("::slotted(*)::before::slotted(*)");

  test_invalid_selector("::slotted(*) span");

  test_valid_selector("::slotted(*)");

  test_valid_selector("::slotted(div)");

  test_valid_selector("::slotted([attr]:hover)");

  test_valid_selector("::slotted(:not(.a))");

  test_valid_forgiving_selector("::slotted(*):is()");

  test_valid_forgiving_selector("::slotted(*):is(:hover)");

  test_valid_forgiving_selector("::slotted(*):is(#id)");

  test_valid_forgiving_selector("::slotted(*):where()");

  test_valid_forgiving_selector("::slotted(*):where(:hover)");

  test_valid_forgiving_selector("::slotted(*):where(#id)");

  test_valid_forgiving_selector("::slotted(*):where(::before)");

  // Allow tree-abiding pseudo elements after ::slotted

  test_valid_selector("::slotted(*)::before");

  test_valid_selector("::slotted(*)::after");

  test_valid_selector("::slotted(*)::details-content");

  test_valid_selector("::slotted(*)::file-selector-button");

  test_valid_selector("::slotted(*)::placeholder");

  test_valid_selector("::slotted(*)::marker");

  // Other pseudo elements not valid after ::slotted

  test_invalid_selector("::slotted(*)::first-line");

  test_invalid_selector("::slotted(*)::first-letter");

  test_invalid_selector("::slotted(*)::selection");

</script>