X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Fstream.impure.lisp;h=da980b0e2e22053cf0a15d737011d9b21a368548;hb=4e0ff6bb79908436adea8375d4eea46d10079cec;hp=9b671c5c163cbb53f044823e11f19d61d5520c29;hpb=c44f2e6960733edc383244f3e39db3b6581255c4;p=sbcl.git diff --git a/tests/stream.impure.lisp b/tests/stream.impure.lisp index 9b671c5..da980b0 100644 --- a/tests/stream.impure.lisp +++ b/tests/stream.impure.lisp @@ -6,7 +6,7 @@ ;;;; 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. @@ -19,11 +19,11 @@ (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 @@ -31,15 +31,15 @@ ;; 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) @@ -58,9 +58,9 @@ ;;; 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))) @@ -72,15 +72,15 @@ (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)) (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) @@ -104,5 +104,79 @@ (assert (char= (read-char s) #\1))) (delete-file p)) +;;; 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)) + ;;; success -(quit :unix-status 104)