(with-standard-io-syntax
(prin1 'insert s)))
(with-open-file (s p)
- (assert (string= (read-line s) "THESE INSERTMBOLS")))
+ (let ((line (read-line s))
+ (want "THESE INSERTMBOLS"))
+ (unless (equal line want)
+ (error "wanted ~S, got ~S" want line))))
(delete-file p))
\f
;;; :DIRECTION :IO didn't work on non-existent pathnames
(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))))
(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.
(type-error (condition)
(assert (= (type-error-datum condition) -1))
(assert (subtypep (type-error-expected-type condition)
- '(unsigned-byte 8))))))))
+ '(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)))))))
+ (delete-file pathname))
\f
;;; Check WRITE-SEQUENCE signals a TYPE-ERROR when the stream can't
;;; write a sequence element.
(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
: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
: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
(type-error (condition)
(assert (= (type-error-datum condition) -1))
(assert (subtypep (type-error-expected-type condition)
- '(unsigned-byte 8)))))))
+ '(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))))))
+
+ (delete-file pathname))
+
+;;; writing looong lines. takes way too long and way too much space
+;;; to test on 64 bit platforms
+#-#.(cl:if (cl:= sb-vm:n-word-bits 64) '(and) '(or))
+(progn
+ (defun write-n-chars (n stream)
+ (format t "~&/writing ~D chars on a single line~%" n)
+ (finish-output t)
+ (loop repeat n
+ do (write-char #\x stream))
+ (terpri stream)
+ n)
+
+ (let ((test "long-lines-write-test.tmp"))
+ (unwind-protect
+ (with-open-file (f test
+ :direction :output
+ :external-format :ascii
+ :element-type 'character
+ :if-does-not-exist :create
+ :if-exists :supersede)
+ (write-n-chars (+ most-positive-fixnum 7) f))
+ (when (probe-file test)
+ (delete-file test)))))
;;; success
projects / sbcl.git / blobdiff