1 files changed, 28 insertions, 0 deletions
diff --git a/editor/libeditor/crashtests/1666556.html b/editor/libeditor/crashtests/1666556.html
new file mode 100644
index 0000000000..8c8c18574a
--- /dev/null
+++ b/editor/libeditor/crashtests/1666556.html
@@ -0,0 +1,28 @@
+<script>
+function onError() {
+  document.querySelector("details").appendChild(
+    document.querySelector("p")
+  );
+  document.execCommand("indent");
+}
+
+function onLoadOfStyle() {
+  document.execCommand("delete");
+  document.querySelector("details").contentEditable = "true";
+  // For emulating the traditional behavior, collapse Selection to end of the
+  // text node at end of the <style> (end of the text node after the comment
+  // node).
+  const style = document.querySelector("style");
+  getSelection().collapse(style.lastChild, style.lastChild.length);
+  document.querySelector("input").select();
+}
+</script>
+<video focus="false">
+<source onerror="onError()">
+</video>
+<details open>
+<p>
+<input contenteditable="false">
+<style onload="onLoadOfStyle()">
+<!-- x -->
+</style></p></details></body>