diff --git a/test/lisp/subr-tests.el b/test/lisp/subr-tests.el
index df330bf60fc..3459a653283 100644
--- a/test/lisp/subr-tests.el
+++ b/test/lisp/subr-tests.el
@@ -1285,6 +1285,22 @@ final or penultimate step during initialization."))
     (nconc cycle cycle)
     (should-not (plistp cycle))))
 
+(defun subr-tests--some-fun ())
+(defalias 'subr-tests--some-alias #'subr-tests--some-fun)
+
+(ert-deftest subr-tests-function-get ()
+  (unwind-protect
+      (progn
+        (should (eq (function-get 'subr-tests--some-fun 'prop) nil))
+        (should (eq (function-get 'subr-tests--some-alias 'prop) nil))
+        ;; With the function symbol directly.
+        (function-put 'subr-tests--some-fun 'prop 'value)
+        (should (eq (function-get 'subr-tests--some-fun 'prop) 'value))
+        ;; With an alias.
+        (should (eq (function-get 'subr-tests--some-alias 'prop) 'value))
+        (function-put 'subr-tests--some-alias 'prop 'value))
+    (function-put 'subr-tests--some-fun 'prop nil)))
+
 (defun subr-tests--butlast-ref (list &optional n)
   "Reference implementation of `butlast'."
   (let ((m (or n 1))