selection/extend-selection-backward-on-input.html

<!DOCTYPE html>
<title>
  This test crashes if block_flow is a pseudo node and first or last is null
  while creating inline contents from block flow if there is a block_node in an
  inline node.
</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
  function runTest() {
    test(() => {
      const div = document.createElement("div");
      document.body.appendChild(div);
      const bold = document.createElement("b");
      document.body.appendChild(bold);
      const input = document.createElement("input");
      bold.appendChild(input);
      input.setAttribute("type", "file");
      document.execCommand("selectall");
      const p = document.createElement("p");
      bold.appendChild(p);
      window.getSelection().modify("extend", "backward", "word");
    }, "Should not crash if block node is in an inline node and block_flow is a pseudo node");
    done();
  }
  window.addEventListener("load", runTest, { once: true });
</script>