X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Freader.impure.lisp;h=8b60a5ded2ebd3f5e1598e90aab952f3a33c4c4c;hb=e7dc41bb0e683c1ea329ce720cddd148da6e92e1;hp=46be9f93fd829eaa6df5bab00f1f7fe8f97d5d84;hpb=848db680b495956ae3968649af260e7448fa8ddc;p=sbcl.git

diff --git a/tests/reader.impure.lisp b/tests/reader.impure.lisp
index 46be9f9..8b60a5d 100644
--- a/tests/reader.impure.lisp
+++ b/tests/reader.impure.lisp
@@ -8,7 +8,7 @@
 ;;;; While most of SBCL is derived from the CMU CL system, the test
 ;;;; files (like this one) were written from scratch after the fork
 ;;;; from CMU CL.
-;;;; 
+;;;;
 ;;;; This software is in the public domain and is provided with
 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
 ;;;; more information.
@@ -81,7 +81,32 @@
 ;;; reported by Henrik Motakef
 (defpackage "")
 (assert (eq (symbol-package (read-from-string "||::FOO"))
-	    (find-package "")))
+            (find-package "")))
+
+;;; test nested reads, test case by Helmut Eller for cmucl
+(defclass my-in-stream (sb-gray:fundamental-character-input-stream)
+  ((last-char :initarg :last-char)))
+
+(let ((string " a ")
+      (i 0))
+  (defmethod sb-gray:stream-read-char ((s my-in-stream))
+    (with-input-from-string (s "b") (read s))
+    (with-slots (last-char) s
+      (cond (last-char (prog1 last-char (setf last-char nil)))
+             (t (prog1 (aref string i)
+                  (setq i (mod (1+ i) (length string)))))))))
+
+(defmethod sb-gray:stream-unread-char ((s my-in-stream) char)
+  (setf (slot-value s 'last-char) char)
+  nil)
+
+(assert (eq 'a (read (make-instance 'my-in-stream :last-char nil))))
+
+;;; NIL as the last argument to SET-SYNTAX-FROM-CHAR in compiled code,
+;;; reported by Levente Mészáros
+(let ((fun (compile nil '(lambda ()
+                          (set-syntax-from-char #\{ #\( *readtable* nil)))))
+  (funcall fun)
+  (assert (equal '(:ok) (read-from-string "{:ok)"))))
 
 ;;; success
-(quit :unix-status 104)