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-rw-r--r--test/lisp/emacs-lisp/eieio-tests/eieio-test-persist.el22
1 files changed, 22 insertions, 0 deletions
diff --git a/test/lisp/emacs-lisp/eieio-tests/eieio-test-persist.el b/test/lisp/emacs-lisp/eieio-tests/eieio-test-persist.el
index e2cff3fbcaa..738711c9c84 100644
--- a/test/lisp/emacs-lisp/eieio-tests/eieio-test-persist.el
+++ b/test/lisp/emacs-lisp/eieio-tests/eieio-test-persist.el
@@ -195,6 +195,28 @@ persistent class.")
(persist-test-save-and-compare persist-woss)
(delete-file (oref persist-woss file))))
+;; A slot that can contain one of two different classes, to exercise
+;; the `or' slot type.
+
+(defclass persistent-random-class ()
+ ())
+
+(defclass persistent-multiclass-slot (eieio-persistent)
+ ((slot1 :initarg :slot1
+ :type (or persistent-random-class null persist-not-persistent))
+ (slot2 :initarg :slot2
+ :type (or persist-not-persistent persist-random-class null))))
+
+(ert-deftest eieio-test-multiple-class-slot ()
+ (let ((persist
+ (persistent-multiclass-slot "random string"
+ :slot1 (persistent-random-class)
+ :slot2 (persist-not-persistent)
+ :file (concat default-directory "test-ps5.pt"))))
+ (unwind-protect
+ (persist-test-save-and-compare persist)
+ (ignore-errors (delete-file (oref persist file))))))
+
;;; Slot with a list of Objects
;;
;; A slot that contains another object that isn't persistent