XEmacs 21.2.20 "Yoko".

[chise/xemacs-chise.git] / tests / automated / lisp-tests.el

diff --git a/tests/automated/lisp-tests.el b/tests/automated/lisp-tests.el
index 3ee719b..2ace595 100644 (file)
--- a/tests/automated/lisp-tests.el
+++ b/tests/automated/lisp-tests.el
@@ -229,6 +229,8 @@
 (Assert (= (+ 1.0 1) 2.0))
 (Assert (= (+ 1.0 1 1) 3.0))
 (Assert (= (+ 1 1 1.0) 3.0))
+(Assert (eq (1+ most-positive-fixnum) most-negative-fixnum))
+(Assert (eq (+ most-positive-fixnum 1) most-negative-fixnum))
 
 ;; Test `-'
 (Check-Error wrong-number-of-arguments (-))
@@ -253,6 +255,9 @@
 (Assert (= (- 1.5 1) .5))
 (Assert (= (- 1 1.5) (- .5)))
 
+(Assert (eq (1- most-negative-fixnum) most-positive-fixnum))
+(Assert (eq (- most-negative-fixnum 1) most-positive-fixnum))
+
 ;; Test `/'
 
 ;; Test division by zero errors