X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=inline;f=tests%2Fpprint.impure.lisp;h=4e6d8a3394ca97c6cd1bbb0850195fa1eee4fbac;hb=179de85ab4fdff049c72ddb2767b93d838494b09;hp=e59458fcd43bc4a04b7c9504ce5c04e77a0969dd;hpb=989f5a77df0dbf4557eda6fb92c4365e19818598;p=sbcl.git

diff --git a/tests/pprint.impure.lisp b/tests/pprint.impure.lisp
index e59458f..4e6d8a3 100644
--- a/tests/pprint.impure.lisp
+++ b/tests/pprint.impure.lisp
@@ -269,5 +269,27 @@
                              (pprint-newline :mandatory s)))
                          n)))))
 
+(with-test (:name :can-restore-orig-pprint-dispatch-table)
+  (let* ((orig (pprint-dispatch 'some-symbol))
+         (alt (lambda (&rest args) (apply orig args))))
+    (set-pprint-dispatch 'symbol alt)
+    (assert (eq alt (pprint-dispatch 'some-symbol)))
+    (setf *print-pprint-dispatch* (copy-pprint-dispatch nil))
+    (assert (eq orig (pprint-dispatch 'some-symbol)))
+    (assert (not (eq alt orig)))))
+
+(with-test (:name :pprint-improper-list)
+  (let* ((max-length 10)
+         (stream (make-broadcast-stream))
+         (errors
+           (loop for symbol being the symbol in :cl
+                 nconc
+                 (loop for i from 1 below max-length
+                       for list = (cons symbol 10) then (cons symbol list)
+                       when (nth-value 1 (ignore-errors (pprint list stream)))
+                       collect (format nil "(~{~a ~}~a . 10)" (butlast list) symbol)))))
+    (when errors
+      (error "Can't PPRINT imporper lists: ~a" errors))))
+
 
 ;;; success