X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Fstream.impure.lisp;h=8ecee3a6c5a5b5c5c9bbca74b9e7a138bddc6ac0;hb=bef0d9c1274819ee3fb886401209662bace136ce;hp=3568766ece844c02fe73210c3cb1f299d4f8d3c0;hpb=4898ef32c639b1c7f4ee13a5ba566ce6debd03e6;p=sbcl.git diff --git a/tests/stream.impure.lisp b/tests/stream.impure.lisp index 3568766..8ecee3a 100644 --- a/tests/stream.impure.lisp +++ b/tests/stream.impure.lisp @@ -178,6 +178,262 @@ (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)) + +;;; 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)))))))) + +;;; 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))))))) + +;;; 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 -(quit :unix-status 104)