;;;; 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.
;;; 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
(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))
;;; 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
;;; 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)))
;;; 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)))
-
-(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)))))
+ (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))
+\f
+;;; 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)