Merge branch 'master' of git.sv.gnu.org:/srv/git/emacs into feature/pgtk

1 files changed, 37 insertions, 1 deletions

diff --git a/test/lisp/emacs-lisp/macroexp-tests.el b/test/lisp/emacs-lisp/macroexp-tests.el
index 1124e3b8d91..89d3882d1da 100644
--- a/test/lisp/emacs-lisp/macroexp-tests.el
+++ b/test/lisp/emacs-lisp/macroexp-tests.el
@@ -1,6 +1,6 @@
 ;;; macroexp-tests.el --- Tests for macroexp.el      -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2021  Stefan Monnier
+;; Copyright (C) 2021  Free Software Foundation, Inc.
 
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
 ;; Keywords:
@@ -32,5 +32,41 @@
   (should (equal (macroexp--fgrep '((x) (y)) '#2=([r] ((a x)) a b c d . #2#))
                  '((x)))))
 
+(defconst macroexp--tests-filename (macroexp-file-name))
+
+(defmacro macroexp--test-get-file-name () (macroexp-file-name))
+
+(ert-deftest macroexp--tests-file-name ()
+  (should (string-match
+           "\\`macroexp-tests.elc?\\'"
+           (file-name-nondirectory macroexp--tests-filename)))
+  (let ((rsrc-dir (expand-file-name
+                   "macroexp-resources"
+                   (file-name-directory macroexp--tests-filename))))
+    (with-current-buffer
+        (find-file-noselect (expand-file-name "m1.el" rsrc-dir))
+      (defvar macroexp--m1-tests-filename)
+      (declare-function macroexp--m1-tests-file-name "m1" ())
+      ;; `macroexp-file-name' should work with `eval-buffer'.
+      (eval-buffer)
+      (should (equal "m1.el"
+                     (file-name-nondirectory macroexp--m1-tests-filename)))
+      (should (equal "m1.el"
+                     (file-name-nondirectory (macroexp--m1-tests-file-name))))
+      (search-forward "macroexp--m1-tests-filename")
+      (makunbound 'macroexp--m1-tests-filename)
+      ;; `macroexp-file-name' should also work with `eval-defun'.
+      (eval-defun nil)
+      (should (equal "m1.el"
+                     (file-name-nondirectory macroexp--m1-tests-filename))))
+
+    ;; Test the case where we load a file which byte-compiles another.
+    (defvar macroexp--m1-tests-comp-filename)
+    (makunbound 'macroexp--m1-tests-comp-filename)
+    (load (expand-file-name "m2.el" rsrc-dir))
+    (should (equal "m1.el"
+                   (file-name-nondirectory macroexp--m1-tests-comp-filename)))))
+
+
 (provide 'macroexp-tests)
 ;;; macroexp-tests.el ends here