X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Fstream.pure.lisp;h=d1f52f8ef79cd34582e1d2defb53c6ca7334c8f9;hb=24407d11d34abdaaef6d839fd0b2665c73b0e6d5;hp=845c87e2d11cce9c039b3fce06a3a9848cd1e281;hpb=5bf4a6a677c80a71dfa31b5c9c374f986594392f;p=sbcl.git

diff --git a/tests/stream.pure.lisp b/tests/stream.pure.lisp
index 845c87e..d1f52f8 100644
--- a/tests/stream.pure.lisp
+++ b/tests/stream.pure.lisp
@@ -53,7 +53,7 @@
        (return)))))
 
 ;;; Entomotomy PEEK-CHAR-WRONGLY-ECHOS-TO-ECHO-STREAM bug, fixed by
-;;; by MRD patch sbcl-devel 2002-11-02 merged ca. sbcl-0.7.9.32
+;;; by MRD patch sbcl-devel 2002-11-02 merged ca. sbcl-0.7.9.32...
 (assert (string=
 	 (with-output-to-string (out)
 	   (peek-char #\]
@@ -61,3 +61,15 @@
 		       (make-string-input-stream "ab cd e df s]") out)))
 	 ;; (Before the fix, the result had a trailing #\] in it.)
 	 "ab cd e df s"))
+;;; ...and a missing wrinkle in the original patch, dealing with
+;;; PEEK-CHAR/UNREAD-CHAR on ECHO-STREAMs, fixed by MRD patch
+;;; sbcl-devel 2002-11-18, merged ca. sbcl-0.7.9.66
+(assert (string=
+	 (let* ((in-stream (make-string-input-stream "abc"))
+		(out-stream (make-string-output-stream))
+		(echo-stream (make-echo-stream in-stream out-stream)))  
+	   (unread-char (read-char echo-stream) echo-stream)  
+	   (peek-char #\a echo-stream)
+	   (get-output-stream-string out-stream))
+	 ;; (Before the fix, the LET* expression just signalled an error.)
+	 "a"))