chromium/third_party/blink/web_tests/paint/invalidation/image/percent-size-image-resize-container.html

<!DOCTYPE html>
<script src="../resources/text-based-repaint.js"></script>
<script>
function repaintTest() {
  var div = document.getElementsByTagName('div')[0];
  div.style.width = '100px';
  div.style.height = '200px';
}
onload = runRepaintAndPixelTest;
</script>
<style>
div {
  position: absolute;
  top: 50px;
  left: 0px;
  width: 150px;
  height: 150px;
}
img {
  position: absolute;
  width: 100%;
  height: 100%;
}
</style>
The percent-sized image should be fully repainted on container's resize. Passes if there is a whole apple after resize.
<div>
  <img src="../resources/apple.jpg">
</div>