1 files changed, 23 insertions, 0 deletions
diff --git a/testing/web-platform/tests/editing/crashtests/outdent-indent-inserthorizontalrule-on-selectionchange.html b/testing/web-platform/tests/editing/crashtests/outdent-indent-inserthorizontalrule-on-selectionchange.html
new file mode 100644
index 0000000000..800d9d1969
--- /dev/null
+++ b/testing/web-platform/tests/editing/crashtests/outdent-indent-inserthorizontalrule-on-selectionchange.html
@@ -0,0 +1,23 @@
+<!doctype html>
+<html>
+<head>
+<meta charset="utf-8">
+<script>
+var count = 0;
+document.addEventListener("DOMContentLoaded", () => {
+  document.onselectionchange = () => {
+    document.execCommand("outdent");
+    document.execCommand("indent");
+    document.execCommand("insertHorizontalRule");
+    if (count++ == 10) {
+      document.onselectionchange = null;
+    }
+  };
+  find("A");
+});
+</script>
+</head>
+<body><isindex contenteditable>
+A
+</body>
+</html>