File: scope-overlapping-has.html

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<!DOCTYPE html>
<title>@scope - Overlapping scopes with :has(..:scope..) selector</title>
<link rel="help" href="https://drafts.csswg.org/css-cascade-6/#scope-atrule">
<link rel="help" href="https://issues.chromium.org/issues/383343312">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
  :where(*) {
    background-color: green;
  }
  @scope (.a) to (.limit) {
    :scope:has(.b:not(:scope .a *)) .hello {
      background-color: red;
    }
  }
</style>
<div class=a id=outer>
  <div>
    <div class=limit>
      <div class=a id=inner>
        <div class=b></div>
        <div class=hello id=first>hello</div>
      </div>
    </div>
  </div>
  <div class=hello id=second>hello</div>
</div>
<script>
test(() => {
  assert_equals(getComputedStyle(first).backgroundColor, 'rgb(255, 0, 0)');
  assert_equals(getComputedStyle(second).backgroundColor, 'rgb(0, 128, 0)');
}, ':has() with inner :scope works when scopes overlap');
</script>