Bug 1928137 [wpt PR 48886] - Prevent infinite loop in nested customiz…

…able selects, a=testonly Automatic update from web-platform-tests Prevent infinite loop in nested customizable selects Nesting selects with <selectedoption> elements can lead to infinite cloning. By preventing the nested select's <selectedoption> from doing any cloning, the infinite loop is fixed. Fixed: 373893049 Change-Id: I9c493be5dfc1dd51c3d3aa2e10ee2a1d2f27d071 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5939531 Reviewed-by: Traian Captan <tcaptan@chromium.org> Commit-Queue: Joey Arhar <jarhar@chromium.org> Cr-Commit-Position: refs/heads/main@{#1375888} -- wpt-commits: c332da54a2e24b488c538cfd5b036763304bb1fc wpt-pr: 48886
jamienicol · Oct 31, 2024 · 9f02316 · 9f02316
1 parent 7643d71
commit 9f02316
Showing 1 changed file with 29 additions and 0 deletions.
diff --git a/...ests/html/semantics/forms/the-select-element/customizable-select/nested-select-crash.html b/...ests/html/semantics/forms/the-select-element/customizable-select/nested-select-crash.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<link rel=author href="mailto:jarhar@chromium.org">
+<link rel=help href="https://issues.chromium.org/issues/373893049">
+
+<style>
+select,::picker(select) {
+  appearance: base-select;
+}
+</style>
+
+<select>
+  <button>
+    Hello??
+    <selectedoption />
+  </button>
+  <option>
+    <object type="no/type">
+      <select>
+        <button>
+          Hello??
+          <selectedoption />
+        </button>
+        <option>One</option>
+        <option>Two</option>
+      </select>
+    </object>
+  </option>
+  <option>Two</option>
+</select>