;;;; 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.
(locally
(declare (optimize (safety 3)))
(assert (raises-error? (make-two-way-stream (make-string-output-stream)
- (make-string-output-stream))
- type-error))
+ (make-string-output-stream))
+ type-error))
(assert (raises-error? (make-two-way-stream (make-string-input-stream "foo")
- (make-string-input-stream "bar"))
- type-error))
+ (make-string-input-stream "bar"))
+ type-error))
;; the following two aren't actually guaranteed, because ANSI, as it
;; happens, doesn't say "should signal an error" for
;; MAKE-ECHO-STREAM. It's still good to have, but if future
;; MAKE-ECHO-STREAM clauses, consider simply removing these clauses
;; from the test. -- CSR, 2002-10-06
(assert (raises-error? (make-echo-stream (make-string-output-stream)
- (make-string-output-stream))
- type-error))
+ (make-string-output-stream))
+ type-error))
(assert (raises-error? (make-echo-stream (make-string-input-stream "foo")
- (make-string-input-stream "bar"))
- type-error))
+ (make-string-input-stream "bar"))
+ type-error))
(assert (raises-error? (make-concatenated-stream
- (make-string-output-stream)
- (make-string-input-stream "foo"))
- type-error)))
+ (make-string-output-stream)
+ (make-string-input-stream "foo"))
+ type-error)))
;;; bug 225: STRING-STREAM was not a class
(eval `(defgeneric bug225 (s)
;;; improper buffering on (SIGNED-BYTE 8) streams (fixed by David Lichteblau):
(let ((p "signed-byte-8-test.data"))
(with-open-file (s p
- :direction :output
- :element-type '(unsigned-byte 8)
- :if-exists :supersede)
+ :direction :output
+ :element-type '(unsigned-byte 8)
+ :if-exists :supersede)
(write-byte 255 s))
(with-open-file (s p :element-type '(signed-byte 8))
(assert (= (read-byte s) -1)))
(stream (open p :direction :output :if-exists :error)))
(assert (null (with-open-file (s p :direction :output :if-exists nil) s)))
(assert (raises-error?
- (with-open-file (s p :direction :output :if-exists :error))))
+ (with-open-file (s p :direction :output :if-exists :error))))
(close stream)
(delete-file p))
\f
(assert (raises-error? (read-byte (make-string-input-stream "abc"))
- type-error))
+ type-error))
(assert (raises-error? (with-open-file (s "/dev/zero")
- (read-byte s))
- type-error))
+ (read-byte s))
+ type-error))
;;; bidirectional streams getting confused about their position
(let ((p "bidirectional-stream-test"))
(with-open-file (s p :direction :output :if-exists :supersede)
;;; files should be restored.
(let ((test "test-file-for-close-should-not-delete"))
(macrolet ((test-mode (mode)
- `(progn
- (catch :close-test-exit
- (with-open-file (f test :direction :output :if-exists ,mode)
- (write-line "test" f)
- (throw :close-test-exit t)))
- (assert (and (probe-file test) ,mode)))))
+ `(progn
+ (catch :close-test-exit
+ (with-open-file (f test :direction :output :if-exists ,mode)
+ (write-line "test" f)
+ (throw :close-test-exit t)))
+ (assert (and (probe-file test) ,mode)))))
(unwind-protect
- (progn
- (with-open-file (f test :direction :output)
- (write-line "test" f))
- (test-mode :append)
- ;; FIXME: We really should recover supersede files as well, according to
- ;; CLOSE in CLHS, but at the moment we don't.
- ;; (test-mode :supersede)
- (test-mode :rename)
- (test-mode :rename-and-delete))
+ (progn
+ (with-open-file (f test :direction :output)
+ (write-line "test" f))
+ (test-mode :append)
+ (test-mode :overwrite)
+ ;; FIXME: We really should recover supersede files as well, according to
+ ;; CLOSE in CLHS, but at the moment we don't.
+ ;; (test-mode :supersede)
+ (test-mode :rename)
+ (test-mode :rename-and-delete))
(when (probe-file test)
- (delete-file test)))))
+ (delete-file test)))))
+
+;;; test for read-write invariance of signed bytes, from Bruno Haible
+;;; cmucl-imp 2004-09-06
+(defun bin-stream-test (&key (size (integer-length most-positive-fixnum))
+ (type 'unsigned-byte) (file-name "stream-impure.tmp")
+ (num-bytes 10)
+ (bytes (if (eq type 'signed-byte)
+ (loop :repeat num-bytes :collect
+ (- (random (ash 1 size))
+ (ash 1 (1- size))))
+ (loop :repeat num-bytes :collect
+ (random (ash 1 size))))))
+ (with-open-file (foo file-name :direction :output :if-exists :supersede
+ :element-type (list type size))
+ (dolist (byte bytes)
+ (write-byte byte foo)))
+ (unwind-protect
+ (with-open-file (foo file-name :direction :input
+ :element-type (list type size))
+ (list (stream-element-type foo) (file-length foo) bytes
+ (loop :for byte :in bytes :for nb = (read-byte foo) :collect nb
+ :unless (= nb byte) :do
+ (flet ((by-out (sz by)
+ (format nil "~v,'0,' ,4:b"
+ (+ sz (floor sz 4)) by)))
+ (error "~& * [(~s ~s)] ~a != ~a~%" type size
+ (by-out size byte) (by-out size nb))))))
+ (delete-file file-name)))
+(loop for size from 2 to 40 do (bin-stream-test :size size :type 'signed-byte))
;;; success
-(quit :unix-status 104)