X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Fprint.impure.lisp;h=2198269a4029dea2bbba7801da443bdd15123f58;hb=ad3beba970fab6e451a461c9f9b14faf4ef17718;hp=8de1bc5f0a05c46952d61a877696297f0ca25c91;hpb=1422f9e5fa1d80247d809440112eb00075440a81;p=sbcl.git diff --git a/tests/print.impure.lisp b/tests/print.impure.lisp index 8de1bc5..2198269 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) @@ -168,6 +175,167 @@ (*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) "1.0d+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")) ;;; success (quit :unix-status 104)