;;;; 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.
-(in-package :cl-user)
-
(load "assertoid.lisp")
+(use-package "ASSERTOID")
;;; type errors for inappropriate stream arguments, fixed in
;;; sbcl-0.7.8.19
(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)
+ ,@(mapcar (lambda (class)
+ `(:method :around ((s ,class)) (cons ',class (call-next-method))))
+ '(stream string-stream sb-impl::string-input-stream
+ sb-impl::string-output-stream))
+ (:method (class) nil)))
+
+(assert (equal (bug225 (make-string-input-stream "hello"))
+ '(sb-impl::string-input-stream string-stream stream)))
+(assert (equal (bug225 (make-string-output-stream))
+ '(sb-impl::string-output-stream string-stream stream)))
+
+\f
+;;; 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)
+ (write-byte 255 s))
+ (with-open-file (s p :element-type '(signed-byte 8))
+ (assert (= (read-byte s) -1)))
+ (delete-file p))
+\f
+;;; :IF-EXISTS got :ERROR and NIL the wrong way round (reported by
+;;; Milan Zamazal)
+(let* ((p "this-file-will-exist")
+ (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))))
+ (close stream)
+ (delete-file p))
+\f
+(assert (raises-error? (read-byte (make-string-input-stream "abc"))
+ type-error))
+(assert (raises-error? (with-open-file (s "/dev/zero")
+ (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)
+ (with-standard-io-syntax
+ (format s "~S ~S ~S~%" 'these 'are 'symbols)))
+ (with-open-file (s p :direction :io :if-exists :overwrite)
+ (read s)
+ (with-standard-io-syntax
+ (prin1 'insert s)))
+ (with-open-file (s p)
+ (assert (string= (read-line s) "THESE INSERTMBOLS")))
+ (delete-file p))
+\f
+;;; :DIRECTION :IO didn't work on non-existent pathnames
+(let ((p "direction-io-test"))
+ (ignore-errors (delete-file p))
+ (with-open-file (s p :direction :io)
+ (format s "1")
+ (finish-output s)
+ (file-position s :start)
+ (assert (char= (read-char s) #\1)))
+ (delete-file p))
+\f
+;;; FILE-POSITION on broadcast-streams is mostly uncontroversial
+(assert (= 0 (file-position (make-broadcast-stream))))
+(assert (file-position (make-broadcast-stream) :start))
+(assert (file-position (make-broadcast-stream) 0))
+(assert (not (file-position (make-broadcast-stream) 1)))
+(let ((s (make-broadcast-stream)))
+ (write-char #\a s)
+ (assert (not (file-position s 1)))
+ (assert (= 0 (file-position s))))
+
+(let ((p "broadcast-stream-test"))
+ (ignore-errors (delete-file p))
+ (with-open-file (f p :direction :output)
+ (let ((s (make-broadcast-stream f)))
+ (assert (= 0 (file-position s)))
+ (assert (file-position s :start))
+ (assert (file-position s 0))
+ (write-char #\a s)
+ (assert (= 1 (file-position s))) ; unicode...
+ (assert (file-position s 0))))
+ (delete-file p))
+
+;;; CLOSING a non-new streams should not delete them, and superseded
+;;; 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)))))
+ (unwind-protect
+ (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)))))
+
+;;; 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))
\f
+;;; Check READ-SEQUENCE signals a TYPE-ERROR when the sequence can't
+;;; contain a stream element.
+;;;
+;;; These tests check READ-SEQUENCE correctness, not whether the fast
+;;; or slow paths are being taken for each element type. To check the
+;;; fast or slow paths, trace ANSI-STREAM-READ-BYTE (slow path) and/or
+;;; READ-N-BYTES:
+;;;
+;;; (trace sb-impl::ansi-stream-read-byte sb-impl::read-n-bytes)
+;;;
+;;; The order should be ANSI-STREAM-READ-BYTE, READ-N-BYTES,
+;;; READ-N-BYTES, ANSI-STREAM-READ-BYTE, ANSI-STREAM-READ-BYTE.
+
+(let ((pathname "read-sequence.data"))
+
+ ;; Create the binary data.
+ (with-open-file (stream pathname
+ :direction :output
+ :if-exists :supersede
+ :element-type '(unsigned-byte 8))
+ (write-byte 255 stream))
+
+ ;; Check the slow path for generic vectors.
+ (let ((sequence (make-array 1)))
+ (with-open-file (stream pathname
+ :direction :input
+ :element-type '(unsigned-byte 8))
+ (read-sequence sequence stream)
+ (assert (equalp sequence #(255)))))
+
+ (let ((sequence (make-array 1)))
+ (with-open-file (stream pathname
+ :direction :input
+ :external-format :latin-1
+ :element-type 'character)
+ (read-sequence sequence stream)
+ (assert (equalp sequence #(#.(code-char 255))))))
+
+ ;; Check the fast path works for (UNSIGNED-BYTE 8) and (SIGNED-BYTE
+ ;; 8) vectors.
+ (let ((sequence (make-array 1 :element-type '(unsigned-byte 8))))
+ (with-open-file (stream pathname
+ :direction :input
+ :element-type '(unsigned-byte 8))
+ (read-sequence sequence stream)
+ (assert (equalp sequence #(255)))))
+
+ (let ((sequence (make-array 1 :element-type '(signed-byte 8))))
+ (with-open-file (stream pathname
+ :direction :input
+ :element-type '(signed-byte 8))
+ (read-sequence sequence stream)
+ (assert (equalp sequence #(-1)))))
+
+ ;; A bivalent stream can be read to a unsigned-byte vector, a
+ ;; string, or a generic vector
+
+ (let ((sequence (make-array 1 :element-type '(unsigned-byte 8))))
+ (with-open-file (stream pathname
+ :direction :input
+ :element-type :default)
+ (read-sequence sequence stream)
+ (assert (equalp sequence #(255)))))
+
+ (let ((sequence (make-array 1 :element-type 'character)))
+ (with-open-file (stream pathname
+ :direction :input
+ :external-format :latin-1
+ :element-type :default)
+ (read-sequence sequence stream)
+ (assert (equalp sequence #(#.(code-char 255))))))
+
+ (let ((sequence (make-array 1)))
+ (with-open-file (stream pathname
+ :direction :input
+ :external-format :latin-1
+ :element-type :default)
+ (read-sequence sequence stream)
+ (assert (equalp sequence #(#.(code-char 255))))))
+
+ ;; Check that a TYPE-ERROR is signalled for incompatible (sequence,
+ ;; stream) pairs.
+
+ (let ((sequence (make-array 1 :element-type '(signed-byte 8))))
+ (with-open-file (stream pathname
+ :direction :input
+ :element-type '(unsigned-byte 8))
+ (handler-case (progn
+ (read-sequence sequence stream)
+ (error "READ-SEQUENCE didn't signal an error"))
+ (type-error (condition)
+ (assert (= (type-error-datum condition) 255))
+ (assert (subtypep (type-error-expected-type condition)
+ '(signed-byte 8)))))))
+
+ (let ((sequence (make-array 1 :element-type '(unsigned-byte 8))))
+ (with-open-file (stream pathname
+ :direction :input
+ :element-type '(signed-byte 8))
+ (handler-case (progn
+ (read-sequence sequence stream)
+ (error "READ-SEQUENCE didn't signal an error"))
+ (type-error (condition)
+ (assert (= (type-error-datum condition) -1))
+ (assert (subtypep (type-error-expected-type condition)
+ '(unsigned-byte 8)))))))
+
+ ;; Can't read a signed-byte from a bivalent stream
+
+ (let ((sequence (make-array 1 :element-type '(signed-byte 8))))
+ (with-open-file (stream pathname
+ :direction :input
+ :external-format :latin1
+ :element-type :default)
+ (handler-case (progn
+ (read-sequence sequence stream)
+ (error "READ-SEQUENCE didn't signal an error"))
+ (type-error (condition)
+ (assert (eql (type-error-datum condition) (code-char 255)))
+ (assert (subtypep (type-error-expected-type condition)
+ '(signed-byte 8))))))))
+\f
+;;; Check WRITE-SEQUENCE signals a TYPE-ERROR when the stream can't
+;;; write a sequence element.
+;;;
+;;; These tests check WRITE-SEQUENCE correctness, not whether the fast
+;;; or slow paths are being taken for each element type. See the
+;;; READ-SEQUENCE tests above for more information.
+;;;
+;;; (trace sb-impl::output-unsigned-byte-full-buffered sb-impl::output-signed-byte-full-buffered sb-impl::output-raw-bytes)
+
+(let ((pathname "write-sequence.data")
+ (generic-sequence (make-array 1 :initial-contents '(255)))
+ (generic-character-sequence (make-array 1 :initial-element #\a))
+ (generic-mixed-sequence (make-array 2 :initial-element #\a))
+ (string (make-array 1 :element-type 'character
+ :initial-element (code-char 255)))
+ (unsigned-sequence (make-array 1
+ :element-type '(unsigned-byte 8)
+ :initial-contents '(255)))
+ (signed-sequence (make-array 1
+ :element-type '(signed-byte 8)
+ :initial-contents '(-1))))
+
+ (setf (aref generic-mixed-sequence 1) 255)
+
+ ;; Check the slow path for generic vectors.
+ (with-open-file (stream pathname
+ :direction :output
+ :if-exists :supersede
+ :element-type '(unsigned-byte 8))
+ (write-sequence generic-sequence stream))
+
+ (with-open-file (stream pathname
+ :direction :output
+ :if-exists :supersede
+ :element-type 'character)
+ (write-sequence generic-character-sequence stream))
+
+ ;; Check the fast path for unsigned and signed vectors.
+ (with-open-file (stream pathname
+ :direction :output
+ :if-exists :supersede
+ :element-type '(unsigned-byte 8))
+ (write-sequence unsigned-sequence stream))
+
+ (with-open-file (stream pathname
+ :direction :output
+ :if-exists :supersede
+ :element-type '(signed-byte 8))
+ (write-sequence signed-sequence stream))
+
+ ;; Bivalent streams on unsigned-byte vectors, strings, and a simple
+ ;; vector with mixed characters and bytes
+
+ (with-open-file (stream pathname
+ :direction :output
+ :if-exists :supersede
+ :element-type :default)
+ (write-sequence unsigned-sequence stream))
+
+ (with-open-file (stream pathname
+ :direction :output
+ :external-format :latin-1
+ :if-exists :supersede
+ :element-type :default)
+ (write-sequence string stream))
+
+ (with-open-file (stream pathname
+ :direction :output
+ :external-format :latin-1
+ :if-exists :supersede
+ :element-type :default)
+ (write-sequence generic-mixed-sequence stream))
+
+ ;; Check a TYPE-ERROR is signalled for unsigned and signed vectors
+ ;; which are incompatible with the stream element type.
+ (with-open-file (stream pathname
+ :direction :output
+ :if-exists :supersede
+ :element-type '(signed-byte 8))
+ (handler-case (progn
+ (write-sequence unsigned-sequence stream)
+ (error "WRITE-SEQUENCE didn't signal an error"))
+ (type-error (condition)
+ (assert (= (type-error-datum condition) 255))
+ (assert (subtypep (type-error-expected-type condition)
+ '(signed-byte 8))))))
+
+ (with-open-file (stream pathname
+ :direction :output
+ :if-exists :supersede
+ :element-type '(unsigned-byte 8))
+ (handler-case (progn
+ (write-sequence signed-sequence stream)
+ (error "WRITE-SEQUENCE didn't signal an error"))
+ (type-error (condition)
+ (assert (= (type-error-datum condition) -1))
+ (assert (subtypep (type-error-expected-type condition)
+ '(unsigned-byte 8))))))
+
+ (with-open-file (stream pathname
+ :direction :output
+ :if-exists :supersede
+ :element-type :default)
+ (handler-case (progn
+ (write-sequence signed-sequence stream)
+ (error "WRITE-SEQUENCE didn't signal an error"))
+ (type-error (condition)
+ (assert (= (type-error-datum condition) -1))
+ (assert (subtypep (type-error-expected-type condition)
+ '(unsigned-byte 8)))))))
+
;;; success
-(quit :unix-status 104)
projects / sbcl.git / blobdiff