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

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This WPT test may be referenced by the following Test IDs:
- /css/cssom-view/range-bounding-client-rect-with-nested-text.html - WPT Dashboard Interop Dashboard

<!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>