is-pseudo-containing-sibling-relationship-in-has.html

<!DOCTYPE html>

<meta charset="utf-8">

<title>CSS Selectors Test: :has(:is()) invalidation for sibling change</title>

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

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

<link rel="help" href="https://drafts.csswg.org/selectors/#relational">

<style>

  #test-container > div { background-color: green; }

  #target1:has(:is(.item + .item + .item)) { background-color: red; }

  #target2:has(:is(.invalid .item, .item + .item + .item)) { background-color: red; }

  #target3:has(:is(.item + .item + .item > .child + .child + .child)) { background-color: red; }

  #target4:has(:is(.item + .item + .item > .child):is(.child + .child + .child)) { background-color: red; }

  #target5:has(:is(.item + .item + .item > .child)) { background-color: red; }

  #target6:has(:is(.invalid .item, .item + .item + .item > .child)) { background-color: red; }

  #target7:has(:is(.item + .item + .item > .child + .child + .child)) { background-color: red; }

  #target8:has(:is(.child + .child + .child):is(.item + .item + .item > .child)) { background-color: red; }

  #target9:has(:is(:where(:is(.item + .item + .item) > .child) + .child + .child)) { background-color: red; }

  #target10:has(:is(.item:nth-child(3))) { background-color: red; }

  #target11:has(:is(.item:nth-child(3) > .child:nth-child(3))) { background-color: red; }

  #target12:has(:is(.item:nth-last-child(3))) { background-color: red; }

  #target13:has(:is(.item:nth-last-child(3) > .child:nth-last-child(3))) { background-color: red; }

  #target14:has(:is(.item:nth-child(3) > .child)) { background-color: red; }

  #target15:has(:is(.item:nth-child(3) > .child:nth-child(3))) { background-color: red; }

  #target16:has(:is(.item:nth-last-child(3) > .child)) { background-color: red; }

  #target17:has(:is(.item:nth-last-child(3) > .child:nth-last-child(3))) { background-color: red; }

  .item + .item + .item {

    #target18:has(&) { background-color: red; }

    #target19:has(:is(& > .child + .child + .child)) { background-color: red; }

  .item + .item + .item > .child {

    #target20:has(:is(& + .child + .child)) { background-color: red; }

</style>

<div id="test-container">

  <div id="target1">

    <div class="item" id="item1">FAIL if you see this text</div>

    <div class="item"></div>

    <div class="item">This text should have a green background</div>

  </div>

  <div id="target2">

    <div class="item" id="item2">FAIL if you see this text</div>

    <div class="item"></div>

    <div class="item">This text should have a green background</div>

  </div>

  <div id="target3">

    <div class="item"></div>

    <div class="item"></div>

    <div class="item">

      <span class="child" id="item3">(FAIL if you see this text)</span>

      <span class="child"></span>

      <span class="child">This text should have a green background</span>

    </div>

  </div>

  <div id="target4">

    <div class="item"></div>

    <div class="item"></div>

    <div class="item">

      <span class="child" id="item4">(FAIL if you see this text)</span>

      <span class="child"></span>

      <span class="child">This text should have a green background</span>

    </div>

  </div>

  <div id="target5">

    <div class="item" id="item5">FAIL if you see this text</div>

    <div class="item"></div>

    <div class="item">

      <span class="child">This text should have a green background</span>

    </div>

  </div>

  <div id="target6">

    <div class="item" id="item6">FAIL if you see this text</div>

    <div class="item"></div>

    <div class="item">

      <span class="child">This text should have a green background</span>

    </div>

  </div>

  <div id="target7">

    <div class="item"></div>

    <div class="item" id="item7">FAIL if you see this text</div>

    <div class="item">

      <span class="child"></span>

      <span class="child"></span>

      <span class="child">This text should have a green background</span>

    </div>

  </div>

  <div id="target8">

    <div class="item"></div>

    <div class="item" id="item8">FAIL if you see this text</div>

    <div class="item">

      <span class="child"></span>

      <span class="child"></span>

      <span class="child">This text should have a green background</span>

    </div>

  </div>

  <div id="target9">

    <div class="item"></div>

    <div class="item" id="item9">FAIL if you see this text</div>

    <div class="item">

      <span class="child"></span>

      <span class="child"></span>

      <span class="child">This text should have a green background</span>

    </div>

  </div>

  <div id="target10">

    <div class="item" id="item10">FAIL if you see this text</div>

    <div class="item"></div>

    <div class="item">This text should have a green background</div>

  </div>

  <div id="target11">

    <div class="item"></div>

    <div class="item"></div>

    <div class="item">

      <span class="child" id="item11">(FAIL if you see this text)</span>

      <span class="child"></span>

      <span class="child">This text should have a green background</span>

    </div>

  </div>

  <div id="target12">

    <div class="item">This text should have a green background</div>

    <div class="item"></div>

    <div class="item" id="item12">FAIL if you see this text</div>

  </div>

  <div id="target13">

    <div class="item">

      <span class="child">This text should have a green background</span>

      <span class="child"></span>

      <span class="child" id="item13">(FAIL if you see this text)</span>

    </div>

    <div class="item"></div>

    <div class="item"></div>

  </div>

  <div id="target14">

    <div class="item" id="item14">FAIL if you see this text</div>

    <div class="item"></div>

    <div class="item">

      <span class="child">This text should have a green background</span>

    </div>

  </div>

  <div id="target15">

    <div class="item" id="item15">FAIL if you see this text</div>

    <div class="item"></div>

    <div class="item">

      <span class="child"></span>

      <span class="child"></span>

      <span class="child">This text should have a green background</span>

    </div>

  </div>

  <div id="target16">

    <div class="item">

      <span class="child">This text should have a green background</span>

    </div>

    <div class="item"></div>

    <div class="item" id="item16">FAIL if you see this text</div>

  </div>

  <div id="target17">

    <div class="item">

      <span class="child">This text should have a green background</span>

      <span class="child"></span>

      <span class="child"></span>

    </div>

    <div class="item"></div>

    <div class="item" id="item17">FAIL if you see this text</div>

  </div>

  <div id="target18">

    <div class="item" id="item18">FAIL if you see this text</div>

    <div class="item"></div>

    <div class="item">This text should have a green background</div>

  </div>

  <div id="target19">

    <div class="item"></div>

    <div class="item" id="item19">FAIL if you see this text</div>

    <div class="item">

      <span class="child"></span>

      <span class="child"></span>

      <span class="child">This text should have a green background</span>

    </div>

  </div>

  <div id="target20">

    <div class="item"></div>

    <div class="item" id="item20">FAIL if you see this text</div>

    <div class="item">

      <span class="child"></span>

      <span class="child"></span>

      <span class="child">This text should have a green background</span>

    </div>

  </div>

</div>

<script>

  test(() => {

    assert_equals(getComputedStyle(target1).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target2).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target3).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target4).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target5).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target6).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target7).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target8).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target9).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target10).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target11).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target12).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target13).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target14).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target15).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target16).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target17).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target18).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target19).backgroundColor, "rgb(255, 0, 0)");

    assert_equals(getComputedStyle(target20).backgroundColor, "rgb(255, 0, 0)");

  }, "Initially red");

  test(() => {

    item1.remove();

    assert_equals(getComputedStyle(target1).backgroundColor, "rgb(0, 128, 0)");

  }, "sibling selector enclosed by :is() no longer matching after removal (1)");

  test(() => {

    item2.remove();

    assert_equals(getComputedStyle(target2).backgroundColor, "rgb(0, 128, 0)");

  }, "sibling selector enclosed by :is() no longer matching after removal (2)");

  test(() => {

    item3.remove();

    assert_equals(getComputedStyle(target3).backgroundColor, "rgb(0, 128, 0)");

  }, "sibling selector enclosed by :is() no longer matching after removal (3)");

  test(() => {

    item4.remove();

    assert_equals(getComputedStyle(target4).backgroundColor, "rgb(0, 128, 0)");

  }, "sibling selector enclosed by :is() no longer matching after removal (4)");

  test(() => {

    item5.remove();

    assert_equals(getComputedStyle(target5).backgroundColor, "rgb(0, 128, 0)");

  }, "sibling selector in non-subject enclosed by :is() no longer matching after removal (1)");

  test(() => {

    item6.remove();

    assert_equals(getComputedStyle(target6).backgroundColor, "rgb(0, 128, 0)");

  }, "sibling selector in non-subject enclosed by :is() no longer matching after removal (2)");

  test(() => {

    item7.remove();

    assert_equals(getComputedStyle(target7).backgroundColor, "rgb(0, 128, 0)");

  }, "sibling selector in non-subject enclosed by :is() no longer matching after removal (3)");

  test(() => {

    item8.remove();

    assert_equals(getComputedStyle(target8).backgroundColor, "rgb(0, 128, 0)");

  }, "sibling selector in non-subject enclosed by :is() no longer matching after removal (4)");

  test(() => {

    item9.remove();

    assert_equals(getComputedStyle(target9).backgroundColor, "rgb(0, 128, 0)");

  }, "sibling selector in non-subject enclosed by :is() no longer matching after removal (5)");

  test(() => {

    item10.remove();

    assert_equals(getComputedStyle(target10).backgroundColor, "rgb(0, 128, 0)");

  }, ":nth-child() enclosed by :is() no longer matching after removal (1)");

  test(() => {

    item11.remove();

    assert_equals(getComputedStyle(target11).backgroundColor, "rgb(0, 128, 0)");

  }, ":nth-child() enclosed by :is() no longer matching after removal (2)");

  test(() => {

    item12.remove();

    assert_equals(getComputedStyle(target12).backgroundColor, "rgb(0, 128, 0)");

  }, ":nth-last-child() enclosed by :is() no longer matching after removal (1)");

  test(() => {

    item13.remove();

    assert_equals(getComputedStyle(target13).backgroundColor, "rgb(0, 128, 0)");

  }, ":nth-last-child() enclosed by :is() no longer matching after removal (2)");

  test(() => {

    item14.remove();

    assert_equals(getComputedStyle(target14).backgroundColor, "rgb(0, 128, 0)");

  }, ":nth-child() in non-subject enclosed by :is() no longer matching after removal (1)");

  test(() => {

    item15.remove();

    assert_equals(getComputedStyle(target15).backgroundColor, "rgb(0, 128, 0)");

  }, ":nth-child() in non-subject enclosed by :is() no longer matching after removal (2)");

  test(() => {

    item16.remove();

    assert_equals(getComputedStyle(target16).backgroundColor, "rgb(0, 128, 0)");

  }, ":nth-last-child() in non-subject enclosed by :is() no longer matching after removal (1)");

  test(() => {

    item17.remove();

    assert_equals(getComputedStyle(target17).backgroundColor, "rgb(0, 128, 0)");

  }, ":nth-last-child() in non-subject enclosed by :is() no longer matching after removal (2)");

  test(() => {

    item18.remove();

    assert_equals(getComputedStyle(target18).backgroundColor, "rgb(0, 128, 0)");

  }, "sibling selector in parent selector enclosed by :is() no longer matching after removal");

  test(() => {

    item19.remove();

    assert_equals(getComputedStyle(target19).backgroundColor, "rgb(0, 128, 0)");

  }, "sibling selector in parent selector non-subject position enclosed by :is() no longer matching after removal (1)");

  test(() => {

    item20.remove();

    assert_equals(getComputedStyle(target20).backgroundColor, "rgb(0, 128, 0)");

  }, "sibling selector in parent selector non-subject position enclosed by :is() no longer matching after removal (2)");

</script>

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Test Info: Warnings