0.8.16.40:

[sbcl.git] / tests / print.impure.lisp

diff --git a/tests/print.impure.lisp b/tests/print.impure.lisp
index 9d9fd62..73b87d8 100644 (file)
--- a/tests/print.impure.lisp
+++ b/tests/print.impure.lisp
@@ -298,5 +298,20 @@
                                     (princ-to-string r)))))))))
        (write-char #\.)
        (finish-output)))
+
+;;;; Bugs, found by PFD
+;;; NIL parameter for ~^ means `not supplied'
+(loop for (format arg result) in
+      '(("~:{~D~v^~D~}" ((3 1 4) (1 0 2) (7 nil) (5 nil 6)) "341756")
+        ("~:{~1,2,v^~A~}" ((nil 0) (3 1) (0 2)) "02"))
+      do (assert (string= (funcall #'format nil format arg) result))
+      do (assert (string= (with-output-to-string (s)
+                            (funcall (eval `(formatter ,format)) s arg))
+                          result)))
+
+;;; NIL first parameter for ~R is equivalent to no parameter.
+(assert (string= (format nil "~VR" nil 5) "five"))
+(assert (string= (format nil (formatter "~VR") nil 6) "six"))
+
 ;;; success
 (quit :unix-status 104)