diff --git a/tests/language/library/unnamed_library_test.dart b/tests/language/library/unnamed_library_test.dart
new file mode 100644
index 00000000000..71d2fce0f05
--- /dev/null
+++ b/tests/language/library/unnamed_library_test.dart
@@ -0,0 +1,11 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code as governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// SharedOptions=--enable-experiment=unnamed-libraries
+
+/// Doc comment.
+@deprecated
+library;
+
+main() {}