X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=tests%2Fexternal-format.impure.lisp;h=cff240a2737b9a00b25bcbb35c45d5454459064d;hb=07d6dd986728e8ea781954f5a3c2799ff0418ecb;hp=09953f341441c14f644405e32255f79cc0407fcc;hpb=9f29c03145c7fdefc5f54939d67ee8e00cd85f14;p=sbcl.git

diff --git a/tests/external-format.impure.lisp b/tests/external-format.impure.lisp
index 09953f3..cff240a 100644
--- a/tests/external-format.impure.lisp
+++ b/tests/external-format.impure.lisp
@@ -211,6 +211,16 @@
   (let ((char (read-char s)))
     (assert (= (char-code (eval char)) #xB0))))
 (delete-file "external-format-test.txt")
+
+(let* ((koi8-r-codes (coerce '(240 210 201 215 197 212 33) '(vector (unsigned-byte 8))))
+       (uni-codes #(1055 1088 1080 1074 1077 1090 33))
+
+       (string (octets-to-string koi8-r-codes :external-format :koi8-r))
+       (uni-decoded (map 'vector #'char-code string)))
+  (assert (equalp (map 'vector #'char-code (octets-to-string koi8-r-codes :external-format :koi8-r))
+                  uni-codes))
+  (assert (equalp (string-to-octets (map 'string #'code-char uni-codes) :external-format :koi8-r)
+                  koi8-r-codes)))
 
 ;;; tests of FILE-STRING-LENGTH
 (let ((standard-characters "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!$\"'(),_-./:;?+<=>#%&*@[\\]{|}`^~"))
@@ -245,4 +255,30 @@
       (write-string string s)
       (assert (= (file-position s) (+ position string-length))))))
 
-;;;; success
\ No newline at end of file
+
+;;; See sbcl-devel "Subject: Bug in FILE-POSITION on UTF-8-encoded files"
+;;; by Lutz Euler on 2006-03-05 for more details.
+(with-test (:name (:file-position :utf-8)
+                  :fails-on :sbcl)
+  (let ((path "external-format-test.txt"))
+    (with-open-file (s path
+                       :direction :output
+                       :if-exists :supersede
+                       :element-type '(unsigned-byte 8))
+      ;; Write #\*, encoded in UTF-8, to the file.
+      (write-byte 42 s)
+      ;; Append #\adiaeresis, encoded in UTF-8, to the file.
+      (write-sequence '(195 164) s))
+    (with-open-file (s path :external-format :utf-8)
+      (read-char s)
+      (let ((pos (file-position s))
+            (char (read-char s)))
+        (format t "read character with code ~a successfully from file position ~a~%"
+                (char-code char) pos)
+        (file-position s pos)
+        (format t "set file position back to ~a, trying to read-char again~%" pos)
+        (let ((new-char (read-char s)))
+          (assert (char= char new-char)))))
+    (values)))
+
+;;;; success