X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Fprint.impure.lisp;h=6d8072f0d91539a34a5f4fd89bdb11c36e4e974a;hb=e1905b479292158bd2bacdebb81e27b4da041097;hp=c12fe05b11b9f8f65542d7bd306e6ec65eb4b9ad;hpb=0f3d47226b4c3f9fcc350e681443534701d56aa4;p=sbcl.git diff --git a/tests/print.impure.lisp b/tests/print.impure.lisp index c12fe05..6d8072f 100644 --- a/tests/print.impure.lisp +++ b/tests/print.impure.lisp @@ -1,13 +1,25 @@ -(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) (assert (eql x - (let ((*read-eval* t)) - (read-from-string (with-output-to-string (s) - (write x :stream s :readably t))))))) + (let ((*read-eval* t)) + (read-from-string (with-output-to-string (s) + (write x :stream s :readably t))))))) ;;; Even when *READ-EVAL* is NIL, we should be able to output some ;;; (not necessarily readable) representation without signalling an @@ -15,7 +27,7 @@ (defun assert-unreadable-output (x) (let ((*read-eval* nil)) (with-output-to-string (s) (write x :stream s :readably nil)))) - + (defun assert-output (x) (assert-readable-output x) (assert-unreadable-output x)) @@ -23,11 +35,11 @@ ;;; Nathan Froyd reported that sbcl-0.6.11.34 screwed up output of ;;; floating point infinities. (dolist (x (list short-float-positive-infinity short-float-negative-infinity - single-float-positive-infinity single-float-negative-infinity - double-float-positive-infinity double-float-negative-infinity - long-float-positive-infinity long-float-negative-infinity)) + single-float-positive-infinity single-float-negative-infinity + double-float-positive-infinity double-float-negative-infinity + long-float-positive-infinity long-float-negative-infinity)) (assert-output x)) - + ;;; Eric Marsden reported that this would blow up in CMU CL (even ;;; though ANSI says that the mismatch between ~F expected type and ;;; provided string type is supposed to be handled without signalling @@ -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 +103,317 @@ (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))))) + +;;; 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)))))) + +;;; NIL parameters to "interpreted" FORMAT directives +(assert (string= (format nil "~v%" nil) (string #\Newline))) + +;;; PRINC-TO-STRING should bind print-readably +(let ((*print-readably* t)) + (assert (string= (princ-to-string #\7) + (write-to-string #\7 :escape nil :readably nil)))) + +;;; in FORMAT, ~^ inside ~:{ should go to the next case, not break +;;; iteration, even if one argument is just a one-element list. +(assert (string= (format nil "~:{~A~^~}" '((A) (C D))) "AC")) + +;;; errors should be raised if pprint and justification are mixed +;;; injudiciously... +(dolist (x (list "~<~:;~>~_" "~<~:;~>~I" "~<~:;~>~W" + "~<~:;~>~:T" "~<~:;~>~<~:>" "~_~<~:;~>" + "~I~<~:;~>" "~W~<~:;~>" "~:T~<~:;~>" "~<~:>~<~:;~>")) + (assert (raises-error? (format nil x nil))) + (assert (raises-error? (format nil (eval `(formatter ,x)) nil)))) +;;; ...but not in judicious cases. +(dolist (x (list "~<~;~>~_" "~<~;~>~I" "~<~;~>~W" + "~<~;~>~:T" "~<~;~>~<~>" "~_~<~;~>" + "~I~<~;~>" "~W~<~;~>" "~:T~<~;~>" "~<~>~<~;~>" + "~<~:;~>~T" "~T~<~:;~>")) + (assert (format nil x nil)) + (assert (format nil (eval `(formatter ,x)) nil))) + +;;; bug 350: bignum printing so memory-hungry that heap runs out +;;; -- just don't stall here forever on a slow box +(handler-case + (with-timeout 10 + (print (ash 1 1000000))) + (timeout () + (print 'timeout!))) + +;;; bug 371: bignum print/read inconsistency +(defvar *bug-371* -7043009959286724629649270926654940933664689003233793014518979272497911394287216967075767325693021717277238746020477538876750544587281879084559996466844417586093291189295867052594478662802691926547232838591510540917276694295393715934079679531035912244103731582711556740654671309980075069010778644542022/670550434139267031632063192770201289106737062379324644110801846820471752716238484923370056920388400273070254958650831435834503195629325418985020030706879602898158806736813101434594805676212779217311897830937606064579213895527844045511878668289820732425014254579493444623868748969110751636786165152601) +(let ((*print-base* 5) + (*read-base* 5) + (*print-radix* nil)) + (assert (= *bug-371* (read-from-string (prin1-to-string *bug-371*))))) + +;;; a spot of random-testing for rational printing +(defvar *seed-state* (make-random-state)) +(print *seed-state*) ; so that we can reproduce errors +(let ((seed (make-random-state *seed-state*))) + (loop repeat 42 + do (let ((n (random (ash 1 1000) seed)) + (d (random (ash 1 1000) seed))) + (when (zerop (random 2 seed)) + (setf n (- n))) + (let ((r (/ n d))) + (loop for base from 2 to 36 + do (let ((*print-base* base) + (*read-base* base) + (*print-radix* nil)) + (assert (= r (read-from-string (prin1-to-string r)))) + (if (= 36 base) + (decf *read-base*) + (incf *read-base*)) + (assert (not (eql r (read-from-string (prin1-to-string r))))) + (let ((*print-radix* t)) + (assert (= r (read-from-string + (princ-to-string r))))))))) + (write-char #\.) + (finish-output))) + +;;;; Bugs, found by PFD +;;; NIL parameter for ~^ means `not supplied' +(loop for (format arg result) in + '(("~:{~D~v^~D~}" ((3 1 4) (1 0 2) (7 nil) (5 nil 6)) "341756") + ("~:{~1,2,v^~A~}" ((nil 0) (3 1) (0 2)) "02")) + do (assert (string= (funcall #'format nil format arg) result)) + do (assert (string= (with-output-to-string (s) + (funcall (eval `(formatter ,format)) s arg)) + result))) + +;;; NIL first parameter for ~R is equivalent to no parameter. +(assert (string= (format nil "~VR" nil 5) "five")) +(assert (string= (format nil (formatter "~VR") nil 6) "six")) + +;;; CSR inserted a bug into Burger & Dybvig's float printer. Caught +;;; by Raymond Toy +(assert (string= (format nil "~E" 1d23) "1.d+23")) + +;;; Fixed-format bugs from CLISP's test suite (reported by Bruno +;;; Haible, bug 317) +(assert (string= (format nil "~1F" 10) "10.")) +(assert (string= (format nil "~0F" 10) "10.")) +(assert (string= (format nil "~2F" 1234567.1) "1234567.")) + +;;; here's one that seems to fail most places. I think this is right, +;;; and most of the other answers I've seen are definitely wrong. +(assert (string= (format nil "~G" 1d23) "100000000000000000000000. ")) + +;;; Adam Warner's test case +(assert (string= (format nil "~@F" 1.23) "+1.23")) + + +;;; New (2005-11-08, also known as CSR House day) float format test +;;; cases. Simon Alexander, Raymond Toy, and others +(assert (string= (format nil "~9,4,,-7E" pi) ".00000003d+8")) +(assert (string= (format nil "~9,4,,-5E" pi) ".000003d+6")) +(assert (string= (format nil "~5,4,,7E" pi) "3141600.d-6")) +(assert (string= (format nil "~11,4,,3E" pi) " 314.16d-2")) +(assert (string= (format nil "~11,4,,5E" pi) " 31416.d-4")) +(assert (string= (format nil "~11,4,,0E" pi) " 0.3142d+1")) +(assert (string= (format nil "~9,,,-1E" pi) ".03142d+2")) +(assert (string= (format nil "~,,,-2E" pi) "0.003141592653589793d+3")) +(assert (string= (format nil "~,,,2E" pi) "31.41592653589793d-1")) +(assert (string= (format nil "~E" pi) "3.141592653589793d+0")) +(assert (string= (format nil "~9,5,,-1E" pi) ".03142d+2")) +(assert (string= (format nil "~11,5,,-1E" pi) " 0.03142d+2")) +(assert (string= (format nil "~G" pi) "3.141592653589793 ")) +(assert (string= (format nil "~9,5G" pi) "3.1416 ")) +(assert (string= (format nil "|~13,6,2,7E|" pi) "| 3141593.d-06|")) +(assert (string= (format nil "~9,3,2,0,'%E" pi) "0.314d+01")) +(assert (string= (format nil "~9,0,6f" pi) " 3141593.")) +(assert (string= (format nil "~6,2,1,'*F" pi) " 31.42")) +(assert (string= (format nil "~6,2,1,'*F" (* 100 pi)) "******")) +(assert (string= (format nil "~9,3,2,-2,'%@E" pi) "+.003d+03")) +(assert (string= (format nil "~10,3,2,-2,'%@E" pi) "+0.003d+03")) +(assert (string= (format nil "~15,3,2,-2,'%,'=@E" pi) "=====+0.003d+03")) +(assert (string= (format nil "~9,3,2,-2,'%E" pi) "0.003d+03")) +(assert (string= (format nil "~8,3,2,-2,'%@E" pi) "%%%%%%%%")) + +(assert (string= (format nil "~g" 1e0) "1. ")) +(assert (string= (format nil "~g" 1.2d40) "12000000000000000000000000000000000000000. ")) + +(assert (string= (format nil "~e" 0) "0.0e+0")) +(assert (string= (format nil "~e" 0d0) "0.0d+0")) +(assert (string= (format nil "~9,,4e" 0d0) "0.0d+0000")) + +(let ((table (make-hash-table))) + (setf (gethash 1 table) t) + (assert + (raises-error? (with-standard-io-syntax + (let ((*read-eval* nil) + (*print-readably* t)) + (with-output-to-string (*standard-output*) + (prin1 table)))) + print-not-readable))) + +;; Test that we can print characters readably regardless of the external format +;; of the stream. + +(defun test-readable-character (character external-format) + (let ((file "print.impure.tmp")) + (unwind-protect + (progn + (with-open-file (stream file + :direction :output + :external-format external-format + :if-exists :supersede) + (write character :stream stream :readably t)) + (with-open-file (stream file + :direction :input + :external-format external-format + :if-does-not-exist :error) + (assert (char= (read stream) character)))) + (ignore-errors + (delete-file file))))) + +#+sb-unicode +(with-test (:name (:print-readable :character :utf-8)) + (test-readable-character (code-char #xfffe) :utf-8)) + +#+sb-unicode +(with-test (:name (:print-readable :character :iso-8859-1)) + (test-readable-character (code-char #xfffe) :iso-8859-1)) + +(assert (string= (eval '(format nil "~:C" #\a)) "a")) +(assert (string= (format nil (formatter "~:C") #\a) "a")) + +;;; This used to trigger an AVER instead. +(assert (raises-error? (format t "~>") sb-format:format-error)) + ;;; success -(quit :unix-status 104)