X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Fprint.impure.lisp;h=9a3a2c3132c8f8ed0ed776a8bb2f3fc2d3758892;hb=bfa4310e41dcd011ca9d139f29be1c5757b41378;hp=c5e6d61f6c6eb68ff3b652fd3f600b8154a2bcd8;hpb=479ef26343b45753fc019b6535d3aa0ee54cb324;p=sbcl.git diff --git a/tests/print.impure.lisp b/tests/print.impure.lisp index c5e6d61..9a3a2c3 100644 --- a/tests/print.impure.lisp +++ b/tests/print.impure.lisp @@ -112,15 +112,22 @@ (print (make-array '(1 2 0)) s))))) '(1 2 0))) -(assert (multiple-value-bind (result error) - (ignore-errors (read-from-string - (with-output-to-string (s) - (let ((*print-readably* t)) - (print (make-array '(1 0 1)) s))))) - ;; it might not be readably-printable - (or (typep error 'print-not-readable) - ;; or else it had better have the same dimensions - (equal (array-dimensions result) '(1 0 1))))) +(dolist (array (list (make-array '(1 0 1)) + (make-array 0 :element-type nil) + (make-array 1 :element-type 'base-char) + (make-array 1 :element-type 'character))) + (assert (multiple-value-bind (result error) + (ignore-errors (read-from-string + (with-output-to-string (s) + (let ((*print-readably* t)) + (print array s))))) + ;; it might not be readably-printable + (or (typep error 'print-not-readable) + (and + ;; or else it had better have the same dimensions + (equal (array-dimensions result) (array-dimensions array)) + ;; and the same element-type + (equal (array-element-type result) (array-element-type array))))))) ;;; before 0.8.0.66 it signalled UNBOUND-VARIABLE (write #(1 2 3) :pretty nil :readably t) @@ -129,5 +136,108 @@ ;;; expanders. (funcall (formatter "~@<~A~:*~A~:>") nil 3) +;;; the PPC floating point backend was at one point sufficiently +;;; broken that this looped infinitely or caused segmentation +;;; violations through stack corruption. +(print 0.0001) + +;;; In sbcl-0.8.7, the ~W format directive interpreter implemented the +;;; sense of the colon and at-sign modifiers exactly backwards. +;;; +;;; (Yes, the test for this *is* substantially hairier than the fix; +;;; wanna make something of it?) +(cl:in-package :cl-user) +(defstruct wexerciser-0-8-7) +(defun wexercise-0-8-7-interpreted (wformat) + (format t wformat (make-wexerciser-0-8-7))) +(defmacro define-compiled-wexercise-0-8-7 (wexercise wformat) + `(defun ,wexercise () + (declare (optimize (speed 3) (space 1))) + (format t ,wformat (make-wexerciser-0-8-7)) + (values))) +(define-compiled-wexercise-0-8-7 wexercise-0-8-7-compiled-without-atsign "~W") +(define-compiled-wexercise-0-8-7 wexercise-0-8-7-compiled-with-atsign "~@W") +(defmethod print-object :before ((wexerciser-0-8-7 wexerciser-0-8-7) stream) + (unless (and *print-level* *print-length*) + (error "gotcha coming"))) +(let ((*print-level* 11) + (*print-length* 12)) + (wexercise-0-8-7-interpreted "~W") + (wexercise-0-8-7-compiled-without-atsign)) +(remove-method #'print-object + (find-method #'print-object + '(:before) + (mapcar #'find-class '(wexerciser-0-8-7 t)))) +(defmethod print-object :before ((wexerciser-0-8-7 wexerciser-0-8-7) stream) + (when (or *print-level* *print-length*) + (error "gotcha going"))) +(let ((*print-level* 11) + (*print-length* 12)) + (wexercise-0-8-7-interpreted "~@W") + (wexercise-0-8-7-compiled-with-atsign)) + +;;; WRITE-TO-STRING was erroneously DEFKNOWNed as FOLDABLE +;;; +;;; This bug from PFD +(defpackage "SCRATCH-WRITE-TO-STRING" (:use)) +(with-standard-io-syntax + (let* ((*package* (find-package "SCRATCH-WRITE-TO-STRING")) + (answer (write-to-string 'scratch-write-to-string::x :readably nil))) + (assert (string= answer "X")))) +;;; and a couple from Bruno Haible +(defun my-pprint-reverse (out list) + (write-char #\( out) + (when (setq list (reverse list)) + (loop + (write (pop list) :stream out) + (when (endp list) (return)) + (write-char #\Space out))) + (write-char #\) out)) +(with-standard-io-syntax + (let ((*print-pprint-dispatch* (copy-pprint-dispatch))) + (set-pprint-dispatch '(cons (member foo)) 'my-pprint-reverse 0) + (let ((answer (write-to-string '(foo bar :boo 1) :pretty t :escape t))) + (assert (string= answer "(1 :BOO BAR FOO)"))))) +(defun my-pprint-logical (out list) + (pprint-logical-block (out list :prefix "(" :suffix ")") + (when list + (loop + (write-char #\? out) + (write (pprint-pop) :stream out) + (write-char #\? out) + (pprint-exit-if-list-exhausted) + (write-char #\Space out))))) +(with-standard-io-syntax + (let ((*print-pprint-dispatch* (copy-pprint-dispatch))) + (set-pprint-dispatch '(cons (member bar)) 'my-pprint-logical 0) + (let ((answer (write-to-string '(bar foo :boo 1) :pretty t :escape t))) + (assert (string= answer "(?BAR? ?FOO? ?:BOO? ?1?)"))))) + +;;; FORMAT string compile-time checker failure, reported by Thomas +;;; F. Burdick +(multiple-value-bind (f w-p f-p) + (compile nil '(lambda () (format nil "~{"))) + (assert (and w-p f-p)) + (assert (nth-value 1 (ignore-errors (funcall f))))) + +;;; floating point print/read consistency +(let ((x (/ -9.349640046247849d-21 -9.381494249123696d-11))) + (let ((y (read-from-string (write-to-string x :readably t)))) + (assert (eql x y)))) + +(let ((x1 (float -5496527/100000000000000000)) + (x2 (float -54965272/1000000000000000000))) + (assert (or (equal (multiple-value-list (integer-decode-float x1)) + (multiple-value-list (integer-decode-float x2))) + (string/= (prin1-to-string x1) (prin1-to-string x2))))) + +;;; readable printing of arrays with *print-radix* t +(let ((*print-radix* t) + (*print-readably* t) + (*print-pretty* nil)) + (let ((output (with-output-to-string (s) + (write #2a((t t) (nil nil)) :stream s)))) + (assert (equalp (read-from-string output) #2a((t t) (nil nil)))))) + ;;; success (quit :unix-status 104)