range-bounding-client-rect-with-nested-text.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>All the rectangles for the text nodes must included in getClientRects</title>
<link rel="help" href="https://drafts.csswg.org/cssom-view-1/#dom-range-getclientrects">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
  .nullDims {
    width: 0;
    height: 0;
  }

  .nullDims > div {
    position: absolute;
    left: 10px;
  }
</style>
<div id="container">
  <div class="nullDims">
    <div id="first" style="top: 10px">Hello</div>
  </div>
  <div class="nullDims">
    <div style="top: 40px">Firefox</div>
  </div>
  <div class="nullDims">
    <div style="top: 70px">Firefox again</div>
  </div>
  <div class="nullDims">
    <div id="last" style="top: 100px">World</div>
  </div>
</div>
<script>
  test(function () {
    const first = document.getElementById("first");
    const last = document.getElementById("last");
    const range = document.createRange();
    range.setStart(first.firstChild, 0);
    range.setEnd(last.firstChild, 5);

    const selection = window.getSelection();
    selection.removeAllRanges();
    selection.addRange(range);
    let rects = Array.from(range.getClientRects());
    assert_equals(rects.length, 6, "Number of rectangles");
    rects = rects.filter(({ width, height }) => width > 0 && height > 0);
    assert_equals(rects.length, 4, "Number of non-empty rectangles");
  }, "getClientRects should return non-empty rectangles for nested text nodes")
</script>
chromium/third_party/blink/web_tests/external/wpt/css/cssom-view/range-bounding-client-rect-with-nested-text.html
