X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Fprint.impure.lisp;h=bbaf4cb7c10ea350f77911fdecd19477d5feb905;hb=c8cc0137e55e6179f6af344f42e54f514660f68b;hp=c12fe05b11b9f8f65542d7bd306e6ec65eb4b9ad;hpb=0f3d47226b4c3f9fcc350e681443534701d56aa4;p=sbcl.git diff --git a/tests/print.impure.lisp b/tests/print.impure.lisp index c12fe05..bbaf4cb 100644 --- a/tests/print.impure.lisp +++ b/tests/print.impure.lisp @@ -1,6 +1,18 @@ -(in-package :cl-user) +;;;; miscellaneous tests of printing stuff + +;;;; This software is part of the SBCL system. See the README file for +;;;; more information. +;;;; +;;;; 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. (load "assertoid.lisp") +(use-package "ASSERTOID") ;;; We should be able to output X readably (at least when *READ-EVAL*). (defun assert-readable-output (x) @@ -36,10 +48,10 @@ ;;; This was a bug in SBCL until 0.6.12.40 (originally reported as a ;;; CMU CL bug by Erik Naggum on comp.lang.lisp). -(loop for *print-base* from 2 to 36 +(loop for base from 2 to 36 with *print-radix* = t - do - (assert (string= "#*101" (format nil "~S" #*101)))) + do (let ((*print-base* base)) + (assert (string= "#*101" (format nil "~S" #*101))))) ;;; bug in sbcl-0.7.1.25, reported by DB sbcl-devel 2002-02-25 (assert (string= "0.5" (format nil "~2D" 0.5))) @@ -91,5 +103,133 @@ (assert (raises-error? (format nil "~<~<~A~:>~>" '(foo)))) (assert (string= (format nil "~<~<~A~>~>" 'foo) "FOO")) +;;; Check that arrays that we print while *PRINT-READABLY* is true are +;;; in fact generating similar objects. +(assert (equal (array-dimensions + (read-from-string + (with-output-to-string (s) + (let ((*print-readably* t)) + (print (make-array '(1 2 0)) s))))) + '(1 2 0))) + +(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) + +;;; another UNBOUND-VARIABLE, this time due to a bug in FORMATTER +;;; 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))))) + ;;; success (quit :unix-status 104)