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<!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>
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