diff --git a/test/modules/feature/test-evil.el b/test/modules/feature/test-evil.el
new file mode 100644
index 000000000..be16b31c5
--- /dev/null
+++ b/test/modules/feature/test-evil.el
@@ -0,0 +1,20 @@
+;;; ../test/modules/feature/test-evil.el
+
+(require! :feature evil t)
+
+(def-test-group! feature/evil
+  (ert-deftest custom-file-modifiers ()
+    (let ((buffer-file-name "~/.emacs.d/test/modules/feature/test-evil.el")
+          (default-directory "~/.emacs.d/test/modules"))
+      (should (equal (+evil*ex-replace-special-filenames "%") "feature/test-evil.el"))
+      (should (equal (+evil*ex-replace-special-filenames "%:r") "feature/test-evil"))
+      (should (equal (+evil*ex-replace-special-filenames "%:e") "el"))
+      ;; TODO :h
+      ;; TODO :t
+      ;; TODO :.
+      ;; TODO :~
+      ;; TODO :s
+      ;; TODO :S
+      (should (equal (+evil*ex-replace-special-filenames "%:P") (doom-project-root)))
+      (should (equal (file-truename (+evil*ex-replace-special-filenames "%:p"))
+                     (file-truename buffer-file-name))))))