(frob 'base-char)
(frob 'nil))
-(with-open-file (s "/dev/null" :element-type '(signed-byte 48))
+(with-open-file (s #-win32 "/dev/null" #+win32 "nul" :element-type '(signed-byte 48))
(assert (eq :eof (read-byte s nil :eof))))
(let* ((is (make-string-input-stream "foo"))
(assert (string= (get-output-stream-string os) "foo")))
(with-standard-io-syntax
- (open "/dev/null"))
+ (open #-win32 "/dev/null" #+win32 "nul" ))
;;; PEEK-CHAR T uses whitespace[2]
(let ((*readtable* (copy-readtable)))
(assert (char= (peek-char t (make-string-input-stream " a")) #\a))
(set-syntax-from-char #\Space #\a)
(assert (char= (peek-char t (make-string-input-stream " a")) #\Space)))
+
+;;; It is actually easier to run into the problem exercised by this
+;;; test with sockets, due to their delays between availabilities of
+;;; data. However edgy the case may be for normal files, however,
+;;; there is still a case to be found in which CL:LISTEN answers
+;;; improperly.
+;;;
+;;; This test assumes that buffering is still done until a buffer of
+;;; SB-IMPL::+BYTES-PER-BUFFER+ bytes is filled up, that the buffer may
+;;; immediately be completely filled for normal files, and that the
+;;; buffer-fill routine is responsible for figuring out when we've
+;;; reached EOF.
+(with-test (:name (stream listen-vs-select))
+ (let ((listen-testfile-name "stream.impure.lisp.testqfile")
+ ;; If non-NIL, size (in bytes) of the file that will exercise
+ ;; the LISTEN problem.
+ (bytes-per-buffer-sometime
+ (and (boundp 'sb-impl::+bytes-per-buffer+)
+ (symbol-value 'sb-impl::+bytes-per-buffer+))))
+ (when bytes-per-buffer-sometime
+ (unwind-protect
+ (progn
+ (with-open-file (stream listen-testfile-name
+ :direction :output :if-exists :error
+ :element-type '(unsigned-byte 8))
+ (dotimes (n bytes-per-buffer-sometime)
+ (write-byte 113 stream)))
+ (with-open-file (stream listen-testfile-name
+ :direction :input :element-type '(unsigned-byte 8))
+ (dotimes (n bytes-per-buffer-sometime)
+ (read-byte stream))
+ (assert (not (listen stream)))))
+ (ignore-errors (delete-file listen-testfile-name))))))