LayoutTests/editing/selection-with-absolute-positioned-empty-content.html

<style>
div {
  font-family: Ahem;
  font-size: 20px;
  width: 220px;
}

span {
  position: absolute;
}
</style>
<div><a id=foobar style="color: black" href="">select this text<span></span></a> but not this</div>
<pre id=result></pre>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

function timerAfterRAF(callback) {
    return requestAnimationFrame(() => setTimeout(callback, 0));
}

timerAfterRAF(() => {
    if (window.internals)
        internals.startTrackingRepaints();
    window.getSelection().selectAllChildren(foobar);
    timerAfterRAF(() => {
        if (window.internals) {
            result.innerText = internals.repaintRectsAsText();
            internals.stopTrackingRepaints();
        }
        if (window.testRunner)
            testRunner.notifyDone();
    });
});
</script>