range-surroundContents-with-preceding-node.html

<!DOCTYPE html>
<html>
  <body>
    <script src="../../resources/js-test.js"></script>
    <div id="root">
      <div id="targetForSurround"></div>
      <div id="description">Test that there is no crash when surroundContents is called with a node preceding the current selection.</div>
      <div id="trailingNode"></div>
    </div>
    <script>
        var range = document.createRange();
        var rootNode = document.getElementById("root");
        range.setStart(rootNode, 4);
        range.setEnd(rootNode, 6);
        var parentElement = document.getElementById("targetForSurround");
        range.surroundContents(parentElement);

        shouldBe('range.startContainer.id', 'rootNode.id');
        shouldBe('range.startOffset', '3');
        shouldBe('range.endContainer.id', 'rootNode.id');
        shouldBe('range.startOffset', '3');
    </script>
  </body>
</html>

chromium/third_party/blink/web_tests/editing/selection/range-surroundContents-with-preceding-node.html