justify-content-position-change-grid.html

<!DOCTYPE HTML>
<script src="../resources/text-based-repaint.js"></script>
<script>
function repaintTest() {
  document.getElementById('container').style.justifyContent = 'end';
}
onload = runRepaintAndPixelTest;
</script>
<style>
body {
  margin: 0;
}
#container {
  display: grid;
  grid-auto-columns: auto;
  grid-auto-rows: 200px;
  grid-auto-flow: column;
  justify-content: start;
  width: 300px;
  height: 200px;
  background-color: red;
}
.item {
  background-color: green;
}
</style>
<p style="height: 20px">Tests invalidation on justify-content style change (position). Passes if the red half is on the left.</p>
<div id="container">
  <div class="item">
    <div style="width: 50px"></div>
  </div>
  <div class="item">
    <div style="width: 50px"></div>
  </div>
  <div class="item">
    <div style="width: 50px"></div>
  </div>
</div>

chromium/third_party/blink/web_tests/paint/invalidation/position/justify-content-position-change-grid.html