<!DOCTYPE html>
<html>
<head>
<title>This tests that child content is positioned properly when the parent compositing layer has zero width/height.</title>
<style>
  .container {
    position: absolute;
  }

  .child {
    position: absolute;
    width: 5px;
    height: 5px;
    border: 0.5px solid red;
}
</style>
</head>
<body>
<p id="container"></p>
<script>
  var container = document.getElementById("container");
  containerAdjustment = 0;
  for (i = 0; i < 40; ++i) {
    var childAdjustment = 0;
    for (j = 0; j < 40; ++j) {
      var c = document.createElement("div");
      c.className = "container";
      c.style.top = (6 * i + j * containerAdjustment) + "px";
      c.style.left = (6 * j + i * containerAdjustment) + "px";

      var child = document.createElement("div");
      child.className = "child";
      child.style.top = (6 * i + j * childAdjustment) + "px";
      child.style.left = (6 * j + i * childAdjustment) + "px";
      c.appendChild(child);

      container.appendChild(c);
      childAdjustment += 0.05;
    }
    containerAdjustment += 0.05;
  }
</script>
</body>
</html>