1 files changed, 12 insertions, 1 deletions

diff --git a/test/lisp/progmodes/ps-mode-tests.el b/test/lisp/progmodes/ps-mode-tests.el
index aa0c4f3a059..9f157e022a1 100644
--- a/test/lisp/progmodes/ps-mode-tests.el
+++ b/test/lisp/progmodes/ps-mode-tests.el
@@ -24,7 +24,7 @@
 (require 'ert)
 (require 'ps-mode)
 
-(ert-deftest ps-mode-test-octal-region ()
+(ert-deftest ps-mode-test-octal-region-unibyte ()
   (with-temp-buffer
     (set-buffer-multibyte nil)
     (insert "foo" #x90 #x91 #x92 "bar")
@@ -32,6 +32,17 @@
     (should (equal (buffer-string)
                    "foo\\220\\221\\222bar"))))
 
+(ert-deftest ps-mode-test-octal-region-multibyte ()
+  (with-temp-buffer
+    (insert "foo"
+            (unibyte-char-to-multibyte #x90)
+            (unibyte-char-to-multibyte #x91)
+            (unibyte-char-to-multibyte #x92)
+            "bar")
+    (ps-mode-octal-region (point-min) (point-max))
+    (should (equal (buffer-string)
+                   "foo\\220\\221\\222bar"))))
+
 (provide 'ps-mode-tests)
 
 ;;; ps-mode-tests.el ends here