File: grid-layout-stale-002.html

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<!DOCTYPE html>
<title>CSS Grid: Do not leave stale pointers into the grid container</title>
<link rel="author" title="Sergio Villar" href="mailto:svillar@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-grid">
<link rel="help" href="https://crbug.com/313293">
<link rel="match" href="reference/grid-layout-stale-002-ref.html">
<meta name="assert" content="Check that we don't leave stale pointers into the internal grid representation."/>

<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>

<p>This test passes if it doesn't crash and it matches the reference.</p>
<span style="display: grid" contenteditable=plaintext-only></span>
<script>
function keyPress(key) {
  let actions = new test_driver.Actions()
    .keyDown(key)
    .keyUp(key);

  return actions.send();
}
function crash() {
    keyPress("\t");
    keyPress("X");
    document.designMode = 'on';
    document.execCommand("InsertHTML", false, "<div>");
}
document.addEventListener("DOMContentLoaded", crash, false);
</script>