1 ;;;; miscellaneous tests of printing stuff
3 ;;;; This software is part of the SBCL system. See the README file for
6 ;;;; While most of SBCL is derived from the CMU CL system, the test
7 ;;;; files (like this one) were written from scratch after the fork
10 ;;;; This software is in the public domain and is provided with
11 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
12 ;;;; more information.
14 (load "assertoid.lisp")
15 (use-package "ASSERTOID")
17 ;;; We should be able to output X readably (at least when *READ-EVAL*).
18 (defun assert-readable-output (x)
20 (let ((*read-eval* t))
21 (read-from-string (with-output-to-string (s)
22 (write x :stream s :readably t)))))))
24 ;;; Even when *READ-EVAL* is NIL, we should be able to output some
25 ;;; (not necessarily readable) representation without signalling an
27 (defun assert-unreadable-output (x)
28 (let ((*read-eval* nil))
29 (with-output-to-string (s) (write x :stream s :readably nil))))
31 (defun assert-output (x)
32 (assert-readable-output x)
33 (assert-unreadable-output x))
35 ;;; Nathan Froyd reported that sbcl-0.6.11.34 screwed up output of
36 ;;; floating point infinities.
37 (dolist (x (list short-float-positive-infinity short-float-negative-infinity
38 single-float-positive-infinity single-float-negative-infinity
39 double-float-positive-infinity double-float-negative-infinity
40 long-float-positive-infinity long-float-negative-infinity))
43 ;;; Eric Marsden reported that this would blow up in CMU CL (even
44 ;;; though ANSI says that the mismatch between ~F expected type and
45 ;;; provided string type is supposed to be handled without signalling
46 ;;; an error) and provided a fix which was ported to sbcl-0.6.12.35.
47 (assert (null (format t "~F" "foo")))
49 ;;; This was a bug in SBCL until 0.6.12.40 (originally reported as a
50 ;;; CMU CL bug by Erik Naggum on comp.lang.lisp).
51 (loop for base from 2 to 36
52 with *print-radix* = t
53 do (let ((*print-base* base))
54 (assert (string= "#*101" (format nil "~S" #*101)))))
56 ;;; bug in sbcl-0.7.1.25, reported by DB sbcl-devel 2002-02-25
57 (assert (string= "0.5" (format nil "~2D" 0.5)))
59 ;;; we want malformed format strings to cause errors rather than have
60 ;;; some DWIM "functionality".
61 (assert (raises-error? (format nil "~:2T")))
63 ;;; bug reported, with fix, by Robert Strandh, sbcl-devel 2002-03-09,
64 ;;; fixed in sbcl-0.7.1.36:
65 (assert (string= (format nil "~2,3,8,'0$" 1234567.3d0) "1234567.30"))
67 ;;; checks that other FORMAT-DOLLAR output remains sane after the
69 (assert (string= (format nil "~$" 0) "0.00"))
70 (assert (string= (format nil "~$" 4) "4.00"))
71 (assert (string= (format nil "~$" -4.0) "-4.00"))
72 (assert (string= (format nil "~2,7,11$" -4.0) "-0000004.00"))
73 (assert (string= (format nil "~2,7,11,' $" 1.1) " 0000001.10"))
74 (assert (string= (format nil "~1,7,11,' $" 1.1) " 0000001.1"))
75 (assert (string= (format nil "~1,3,8,' $" 7.3) " 007.3"))
76 (assert (string= (format nil "~2,3,8,'0$" 7.3) "00007.30"))
78 ;;; Check for symbol lookup in ~/ / directive -- double-colon was
79 ;;; broken in 0.7.1.36 and earlier
80 (defun print-foo (stream arg colonp atsignp &rest params)
81 (declare (ignore colonp atsignp params))
82 (format stream "~d" arg))
84 (assert (string= (format nil "~/print-foo/" 2) "2"))
85 (assert (string= (format nil "~/cl-user:print-foo/" 2) "2"))
86 (assert (string= (format nil "~/cl-user::print-foo/" 2) "2"))
87 (assert (raises-error? (format nil "~/cl-user:::print-foo/" 2)))
88 (assert (raises-error? (format nil "~/cl-user:a:print-foo/" 2)))
89 (assert (raises-error? (format nil "~/a:cl-user:print-foo/" 2)))
90 (assert (raises-error? (format nil "~/cl-user:print-foo:print-foo/" 2)))
92 ;;; better make sure that we get this one right, too
93 (defun print-foo\:print-foo (stream arg colonp atsignp &rest params)
94 (declare (ignore colonp atsignp params))
95 (format stream "~d" arg))
97 (assert (string= (format nil "~/cl-user:print-foo:print-foo/" 2) "2"))
98 (assert (string= (format nil "~/cl-user::print-foo:print-foo/" 2) "2"))
100 ;;; Check for error detection of illegal directives in a~<..~> justify
101 ;;; block (see ANSI section 22.3.5.2)
102 (assert (raises-error? (format nil "~<~W~>" 'foo)))
103 (assert (raises-error? (format nil "~<~<~A~:>~>" '(foo))))
104 (assert (string= (format nil "~<~<~A~>~>" 'foo) "FOO"))
106 (with-test (:name (:format :justification-atsign-check))
107 (assert (raises-error? (format nil "~<~@>")))
108 (assert (raises-error? (eval '(format nil "~<~@>")))))
110 ;;; Check that arrays that we print while *PRINT-READABLY* is true are
111 ;;; in fact generating similar objects.
112 (assert (equal (array-dimensions
114 (with-output-to-string (s)
115 (let ((*print-readably* t))
116 (print (make-array '(1 2 0)) s)))))
119 (dolist (array (list (make-array '(1 0 1))
120 (make-array 0 :element-type nil)
121 (make-array 1 :element-type 'base-char)
122 (make-array 1 :element-type 'character)))
123 (assert (multiple-value-bind (result error)
124 (ignore-errors (read-from-string
125 (with-output-to-string (s)
126 (let ((*print-readably* t))
128 ;; it might not be readably-printable
129 (or (typep error 'print-not-readable)
131 ;; or else it had better have the same dimensions
132 (equal (array-dimensions result) (array-dimensions array))
133 ;; and the same element-type
134 (equal (array-element-type result) (array-element-type array)))))))
136 ;;; before 0.8.0.66 it signalled UNBOUND-VARIABLE
137 (write #(1 2 3) :pretty nil :readably t)
139 ;;; another UNBOUND-VARIABLE, this time due to a bug in FORMATTER
141 (funcall (formatter "~@<~A~:*~A~:>") nil 3)
143 ;;; the PPC floating point backend was at one point sufficiently
144 ;;; broken that this looped infinitely or caused segmentation
145 ;;; violations through stack corruption.
148 ;;; In sbcl-0.8.7, the ~W format directive interpreter implemented the
149 ;;; sense of the colon and at-sign modifiers exactly backwards.
151 ;;; (Yes, the test for this *is* substantially hairier than the fix;
152 ;;; wanna make something of it?)
153 (cl:in-package :cl-user)
154 (defstruct wexerciser-0-8-7)
155 (defun wexercise-0-8-7-interpreted (wformat)
156 (format t wformat (make-wexerciser-0-8-7)))
157 (defmacro define-compiled-wexercise-0-8-7 (wexercise wformat)
158 `(defun ,wexercise ()
159 (declare (optimize (speed 3) (space 1)))
160 (format t ,wformat (make-wexerciser-0-8-7))
162 (define-compiled-wexercise-0-8-7 wexercise-0-8-7-compiled-without-atsign "~W")
163 (define-compiled-wexercise-0-8-7 wexercise-0-8-7-compiled-with-atsign "~@W")
164 (defmethod print-object :before ((wexerciser-0-8-7 wexerciser-0-8-7) stream)
165 (unless (and *print-level* *print-length*)
166 (error "gotcha coming")))
167 (let ((*print-level* 11)
169 (wexercise-0-8-7-interpreted "~W")
170 (wexercise-0-8-7-compiled-without-atsign))
171 (remove-method #'print-object
172 (find-method #'print-object
174 (mapcar #'find-class '(wexerciser-0-8-7 t))))
175 (defmethod print-object :before ((wexerciser-0-8-7 wexerciser-0-8-7) stream)
176 (when (or *print-level* *print-length*)
177 (error "gotcha going")))
178 (let ((*print-level* 11)
180 (wexercise-0-8-7-interpreted "~@W")
181 (wexercise-0-8-7-compiled-with-atsign))
183 ;;; WRITE-TO-STRING was erroneously DEFKNOWNed as FOLDABLE
185 ;;; This bug from PFD
186 (defpackage "SCRATCH-WRITE-TO-STRING" (:use))
187 (with-standard-io-syntax
188 (let* ((*package* (find-package "SCRATCH-WRITE-TO-STRING"))
189 (answer (write-to-string 'scratch-write-to-string::x :readably nil)))
190 (assert (string= answer "X"))))
191 ;;; and a couple from Bruno Haible
192 (defun my-pprint-reverse (out list)
194 (when (setq list (reverse list))
196 (write (pop list) :stream out)
197 (when (endp list) (return))
198 (write-char #\Space out)))
199 (write-char #\) out))
200 (with-standard-io-syntax
201 (let ((*print-pprint-dispatch* (copy-pprint-dispatch)))
202 (set-pprint-dispatch '(cons (member foo)) 'my-pprint-reverse 0)
203 (let ((answer (write-to-string '(foo bar :boo 1) :pretty t :escape t)))
204 (assert (string= answer "(1 :BOO BAR FOO)")))))
205 (defun my-pprint-logical (out list)
206 (pprint-logical-block (out list :prefix "(" :suffix ")")
210 (write (pprint-pop) :stream out)
212 (pprint-exit-if-list-exhausted)
213 (write-char #\Space out)))))
214 (with-standard-io-syntax
215 (let ((*print-pprint-dispatch* (copy-pprint-dispatch)))
216 (set-pprint-dispatch '(cons (member bar)) 'my-pprint-logical 0)
217 (let ((answer (write-to-string '(bar foo :boo 1) :pretty t :escape t)))
218 (assert (string= answer "(?BAR? ?FOO? ?:BOO? ?1?)")))))
220 ;;; FORMAT string compile-time checker failure, reported by Thomas
222 (multiple-value-bind (f w-p f-p)
223 (compile nil '(lambda () (format nil "~{")))
224 (assert (and w-p f-p))
225 (assert (nth-value 1 (ignore-errors (funcall f)))))
227 ;;; floating point print/read consistency
228 (let ((x (/ -9.349640046247849d-21 -9.381494249123696d-11)))
229 (let ((y (read-from-string (write-to-string x :readably t))))
232 (let ((x1 (float -5496527/100000000000000000))
233 (x2 (float -54965272/1000000000000000000)))
234 (assert (or (equal (multiple-value-list (integer-decode-float x1))
235 (multiple-value-list (integer-decode-float x2)))
236 (string/= (prin1-to-string x1) (prin1-to-string x2)))))
238 ;;; readable printing of arrays with *print-radix* t
239 (let ((*print-radix* t)
241 (*print-pretty* nil))
242 (let ((output (with-output-to-string (s)
243 (write #2a((t t) (nil nil)) :stream s))))
244 (assert (equalp (read-from-string output) #2a((t t) (nil nil))))))
246 ;;; NIL parameters to "interpreted" FORMAT directives
247 (assert (string= (format nil "~v%" nil) (string #\Newline)))
249 ;;; PRINC-TO-STRING should bind print-readably
250 (let ((*print-readably* t))
251 (assert (string= (princ-to-string #\7)
252 (write-to-string #\7 :escape nil :readably nil))))
254 ;;; in FORMAT, ~^ inside ~:{ should go to the next case, not break
255 ;;; iteration, even if one argument is just a one-element list.
256 (assert (string= (format nil "~:{~A~^~}" '((A) (C D))) "AC"))
258 ;;; errors should be raised if pprint and justification are mixed
260 (dolist (x (list "~<~:;~>~_" "~<~:;~>~I" "~<~:;~>~W"
261 "~<~:;~>~:T" "~<~:;~>~<~:>" "~_~<~:;~>"
262 "~I~<~:;~>" "~W~<~:;~>" "~:T~<~:;~>" "~<~:>~<~:;~>"))
263 (assert (raises-error? (format nil x nil)))
264 (assert (raises-error? (format nil (eval `(formatter ,x)) nil))))
265 ;;; ...but not in judicious cases.
266 (dolist (x (list "~<~;~>~_" "~<~;~>~I" "~<~;~>~W"
267 "~<~;~>~:T" "~<~;~>~<~>" "~_~<~;~>"
268 "~I~<~;~>" "~W~<~;~>" "~:T~<~;~>" "~<~>~<~;~>"
269 "~<~:;~>~T" "~T~<~:;~>"))
270 (assert (format nil x nil))
271 (assert (format nil (eval `(formatter ,x)) nil)))
273 ;;; bug 350: bignum printing so memory-hungry that heap runs out
274 ;;; -- just don't stall here forever on a slow box
275 (with-test (:name :bug-350)
278 (print (ash 1 1000000)))
282 ;;; bug 371: bignum print/read inconsistency
283 (defvar *bug-371* -7043009959286724629649270926654940933664689003233793014518979272497911394287216967075767325693021717277238746020477538876750544587281879084559996466844417586093291189295867052594478662802691926547232838591510540917276694295393715934079679531035912244103731582711556740654671309980075069010778644542022/670550434139267031632063192770201289106737062379324644110801846820471752716238484923370056920388400273070254958650831435834503195629325418985020030706879602898158806736813101434594805676212779217311897830937606064579213895527844045511878668289820732425014254579493444623868748969110751636786165152601)
284 (let ((*print-base* 5)
287 (assert (= *bug-371* (read-from-string (prin1-to-string *bug-371*)))))
289 ;;; a spot of random-testing for rational printing
290 (defvar *seed-state* (make-random-state))
291 (print *seed-state*) ; so that we can reproduce errors
292 (let ((seed (make-random-state *seed-state*)))
294 do (let ((n (random (ash 1 1000) seed))
295 (d (random (ash 1 1000) seed)))
296 (when (zerop (random 2 seed))
299 (loop for base from 2 to 36
300 do (let ((*print-base* base)
303 (assert (= r (read-from-string (prin1-to-string r))))
307 (assert (not (eql r (read-from-string (prin1-to-string r)))))
308 (let ((*print-radix* t))
309 (assert (= r (read-from-string
310 (princ-to-string r)))))))))
314 ;;;; Bugs, found by PFD
315 ;;; NIL parameter for ~^ means `not supplied'
316 (loop for (format arg result) in
317 '(("~:{~D~v^~D~}" ((3 1 4) (1 0 2) (7 nil) (5 nil 6)) "341756")
318 ("~:{~1,2,v^~A~}" ((nil 0) (3 1) (0 2)) "02"))
319 do (assert (string= (funcall #'format nil format arg) result))
320 do (assert (string= (with-output-to-string (s)
321 (funcall (eval `(formatter ,format)) s arg))
324 ;;; NIL first parameter for ~R is equivalent to no parameter.
325 (assert (string= (format nil "~VR" nil 5) "five"))
326 (assert (string= (format nil (formatter "~VR") nil 6) "six"))
328 ;;; CSR inserted a bug into Burger & Dybvig's float printer. Caught
330 (assert (string= (format nil "~E" 1d23) "1.d+23"))
332 ;;; Fixed-format bugs from CLISP's test suite (reported by Bruno
334 (assert (string= (format nil "~1F" 10) "10."))
335 (assert (string= (format nil "~0F" 10) "10."))
336 (assert (string= (format nil "~2F" 1234567.1) "1234567."))
338 ;;; here's one that seems to fail most places. I think this is right,
339 ;;; and most of the other answers I've seen are definitely wrong.
340 (assert (string= (format nil "~G" 1d23) "100000000000000000000000. "))
342 ;;; Adam Warner's test case
343 (assert (string= (format nil "~@F" 1.23) "+1.23"))
346 ;;; New (2005-11-08, also known as CSR House day) float format test
347 ;;; cases. Simon Alexander, Raymond Toy, and others
348 (assert (string= (format nil "~9,4,,-7E" pi) ".00000003d+8"))
349 (assert (string= (format nil "~9,4,,-5E" pi) ".000003d+6"))
350 (assert (string= (format nil "~5,4,,7E" pi) "3141600.d-6"))
351 (assert (string= (format nil "~11,4,,3E" pi) " 314.16d-2"))
352 (assert (string= (format nil "~11,4,,5E" pi) " 31416.d-4"))
353 (assert (string= (format nil "~11,4,,0E" pi) " 0.3142d+1"))
354 (assert (string= (format nil "~9,,,-1E" pi) ".03142d+2"))
355 (assert (string= (format nil "~,,,-2E" pi) "0.003141592653589793d+3"))
356 (assert (string= (format nil "~,,,2E" pi) "31.41592653589793d-1"))
357 (assert (string= (format nil "~E" pi) "3.141592653589793d+0"))
358 (assert (string= (format nil "~9,5,,-1E" pi) ".03142d+2"))
359 (assert (string= (format nil "~11,5,,-1E" pi) " 0.03142d+2"))
360 (assert (string= (format nil "~G" pi) "3.141592653589793 "))
361 (assert (string= (format nil "~9,5G" pi) "3.1416 "))
362 (assert (string= (format nil "|~13,6,2,7E|" pi) "| 3141593.d-06|"))
363 (assert (string= (format nil "~9,3,2,0,'%E" pi) "0.314d+01"))
364 (assert (string= (format nil "~9,0,6f" pi) " 3141593."))
365 (assert (string= (format nil "~6,2,1,'*F" pi) " 31.42"))
366 (assert (string= (format nil "~6,2,1,'*F" (* 100 pi)) "******"))
367 (assert (string= (format nil "~9,3,2,-2,'%@E" pi) "+.003d+03"))
368 (assert (string= (format nil "~10,3,2,-2,'%@E" pi) "+0.003d+03"))
369 (assert (string= (format nil "~15,3,2,-2,'%,'=@E" pi) "=====+0.003d+03"))
370 (assert (string= (format nil "~9,3,2,-2,'%E" pi) "0.003d+03"))
371 (assert (string= (format nil "~8,3,2,-2,'%@E" pi) "%%%%%%%%"))
373 (assert (string= (format nil "~g" 1e0) "1. "))
374 (assert (string= (format nil "~g" 1.2d40) "12000000000000000000000000000000000000000. "))
376 (assert (string= (format nil "~e" 0) "0.0e+0"))
377 (assert (string= (format nil "~e" 0d0) "0.0d+0"))
378 (assert (string= (format nil "~9,,4e" 0d0) "0.0d+0000"))
380 (let ((table (make-hash-table)))
381 (setf (gethash 1 table) t)
383 (raises-error? (with-standard-io-syntax
384 (let ((*read-eval* nil)
385 (*print-readably* t))
386 (with-output-to-string (*standard-output*)
388 print-not-readable)))
390 ;; Test that we can print characters readably regardless of the external format
393 (defun test-readable-character (character external-format)
394 (let ((file "print.impure.tmp"))
397 (with-open-file (stream file
399 :external-format external-format
400 :if-exists :supersede)
401 (write character :stream stream :readably t))
402 (with-open-file (stream file
404 :external-format external-format
405 :if-does-not-exist :error)
406 (assert (char= (read stream) character))))
408 (delete-file file)))))
410 (with-test (:name (:print-readable :character :utf-8) :skipped-on '(not :sb-unicode))
411 (test-readable-character (code-char #xfffe) :utf-8))
413 (with-test (:name (:print-readable :character :iso-8859-1) :skipped-on '(not :sb-unicode))
414 (test-readable-character (code-char #xfffe) :iso-8859-1))
416 (assert (string= (eval '(format nil "~:C" #\a)) "a"))
417 (assert (string= (format nil (formatter "~:C") #\a) "a"))
419 ;;; This used to trigger an AVER instead.
420 (assert (raises-error? (eval '(formatter "~>")) sb-format:format-error))
421 (assert (raises-error? (eval '(format t "~>")) sb-format:format-error))
423 ;;; readably printing hash-tables, check for circularity
425 (h (make-hash-table))
429 (setf (gethash x h) h)
430 (destructuring-bind (x2 . h2) (read-from-string (write-to-string (cons x h)))
431 (assert (equal x x2))
432 (assert (eq h2 (gethash x2 h2)))))
434 ;;; an off-by-one error in the ~R format directive until 1.0.15.20
435 ;;; prevented printing cardinals and ordinals between (expt 10 63) and
436 ;;; (1- (expt 10 66))
437 (assert (string= (format nil "~R" (expt 10 63)) "one vigintillion"))
438 (assert (string= (format nil "~:R" (expt 10 63)) "one vigintillionth"))
440 ;;; too-clever cacheing for PRINT-OBJECT resulted in a bogus method
441 ;;; for printing RESTART objects. Check also CONTROL-STACK-EXHAUSTED
442 ;;; and HEAP-EXHAUSTED-ERROR.
443 (let ((result (with-output-to-string (*standard-output*)
444 (princ (find-restart 'abort)))))
445 (assert (string/= result "#<" :end1 2)))
446 (let ((result (with-output-to-string (*standard-output*)
447 (princ (make-condition 'sb-kernel::control-stack-exhausted)))))
448 (assert (string/= result "#<" :end1 2)))
449 (let ((result (with-output-to-string (*standard-output*)
450 (princ (make-condition 'sb-kernel::heap-exhausted-error)))))
451 (assert (string/= result "#<" :end1 2)))
453 (with-test (:name (:with-standard-io-syntax :bind-print-pprint-dispatch))
454 (let ((*print-pprint-dispatch* (copy-pprint-dispatch nil)))
455 (set-pprint-dispatch 'symbol #'(lambda (stream obj)
456 (declare (ignore obj))
457 (write-string "FOO" stream)))
458 (with-standard-io-syntax
459 (let ((*print-pretty* t))
460 (assert (string= (princ-to-string 'bar) "BAR"))))))
464 (defclass a-class-name () ())
466 (assert (find #\Newline
467 (let ((*print-pretty* t)
468 (*print-right-margin* 10))
469 (format nil "~A" (make-instance 'a-class-name)))
472 (assert (not (find #\Newline
473 (let ((*print-pretty* nil)
474 (*print-right-margin* 10))
475 (format nil "~A" (make-instance 'a-class-name)))
478 ;;; The PRINT-OBJECT method for RANDOM-STATE used to have a bogus
479 ;;; dimension argument for MAKE-ARRAY.
480 (with-test (:name :print-random-state)
481 (assert (equalp *random-state*
483 (write-to-string *random-state*)))))
485 (with-test (:name :write-return-value)
486 (assert (= 123 (funcall (compile nil (lambda ()
489 (with-test (:name :write/write-to-string-compiler-macro-lp/598374+581564)
490 (let ((test (compile nil
491 `(lambda (object &optional output-stream)
493 :stream output-stream)))))
494 (assert (equal "(HELLO WORLD)"
495 (with-output-to-string (*standard-output*)
496 (let ((list '(hello world)))
497 (assert (eq list (funcall test list)))))))
499 (with-output-to-string (*standard-output*)
500 (assert (eql 12 (funcall test 12)))))))
501 (let ((test (compile nil
503 (let ((*print-length* 42))
504 (write-to-string *print-length* :length nil))))))
505 (assert (equal "42" (funcall test)))))
507 (with-test (:name (:format :compile-literal-dest-string))
511 `(lambda (x) (format "~A" x)))
512 ((and warning (not style-warning)) ()
515 (with-test (:name :bug-308961)
516 (assert (string= (format nil "~4,1F" 0.001) " 0.0"))
517 (assert (string= (format nil "~4,1@F" 0.001) "+0.0"))
518 (assert (string= (format nil "~E" 0.01) "1.e-2"))
519 (assert (string= (format nil "~G" 0.01) "1.00e-2")))
521 (with-test (:name (:fp-print-read-consistency single-float))
522 (let ((*random-state* (make-random-state t))
524 (loop for f = most-positive-single-float then (/ f 2.0)
528 do (unless (eql fr (read-from-string (prin1-to-string fr)))
531 (loop for f = most-negative-single-float then (/ f 2.0)
534 for fr = (- (random (- f)))
535 do (unless (eql fr (read-from-string (prin1-to-string fr)))
539 (error "FP print-read inconsistencies:~%~:{ ~S => ~S~%~}"
541 (list f (read-from-string (prin1-to-string f))))
544 (with-test (:name (:fp-print-read-consistency double-float))
545 (let ((*random-state* (make-random-state t))
547 ;; FIXME skipping denormalized floats due to bug 793774.
548 (loop for f = most-positive-double-float then (/ f 2d0)
552 do (unless (float-denormalized-p fr)
553 (unless (eql fr (read-from-string (prin1-to-string fr)))
556 (loop for f = most-negative-double-float then (/ f 2d0)
559 for fr = (- (random (- f)))
560 do (unless (float-denormalized-p fr)
561 (unless (eql fr (read-from-string (prin1-to-string fr)))
565 (error "FP print-read inconsistencies:~%~:{ ~S => ~S~%~}"
567 (list f (read-from-string (prin1-to-string f))))
570 (with-test (:name :bug-811386)
571 (assert (equal " 0.00" (format nil "~7,2,-2f" 0)))
572 (assert (equal " 0.00" (format nil "~7,2,2f" 0)))
573 (assert (equal " 0.01" (format nil "~7,2,-2f" 1)))
574 (assert (equal " 100.00" (format nil "~7,2,2f" 1)))
575 (assert (equal " 0.00" (format nil "~7,2,-2f" 0.1)))
576 (assert (equal " 10.00" (format nil "~7,2,2f" 0.1)))
577 (assert (equal " 0.01" (format nil "~7,2,-2f" 0.5))))
579 (with-test (:name :bug-867684)
580 (assert (equal "ab" (format nil "a~0&b"))))
582 (with-test (:name :print-unreadably-function)
583 (assert (equal "\"foo\""
584 (handler-bind ((print-not-readable #'sb-ext:print-unreadably))
585 (write-to-string (coerce "foo" 'base-string) :readably t)))))
587 (with-test (:name :printing-specialized-arrays-readably)
588 (let ((*read-eval* t)
589 (dimss (loop repeat 10
590 collect (loop repeat (1+ (random 3))
591 collect (1+ (random 10)))))
592 (props sb-vm::*specialized-array-element-type-properties*))
593 (labels ((random-elt (type)
596 (code-char (random 128)))
598 (code-char (random char-code-limit)))
600 (+ least-positive-normalized-single-float
601 (random most-positive-single-float)))
603 (+ least-positive-normalized-double-float
604 (random most-positive-double-float)))
608 (random most-positive-fixnum))
612 (destructuring-bind (type x) type
615 (random (1- (expt 2 x))))
617 (- (random (expt 2 (1- x)))))
619 (complex (random-elt x) (random-elt x)))))))))
620 (dotimes (i (length props))
621 (let ((et (sb-vm::saetp-specifier (aref props i))))
623 (when (eq 'base-char et)
624 ;; base-strings not included in the #. printing.
627 (let ((a (make-array dims :element-type et)))
628 (assert (equal et (array-element-type a)))
629 (dotimes (i (array-total-size a))
630 (setf (row-major-aref a i) (random-elt et)))
631 (let ((copy (read-from-string (write-to-string a :readably t))))
632 (assert (equal dims (array-dimensions copy)))
633 (assert (equal et (array-element-type copy)))
634 (assert (equal (array-total-size a) (array-total-size copy)))
635 (dotimes (i (array-total-size a))
636 (assert (equal (row-major-aref a i) (row-major-aref copy i)))))))))
639 (with-test (:name (:format :negative-colinc-and-mincol))
640 (assert (raises-error? (format nil "~-2a" 1)))
641 (assert (raises-error? (format nil "~,0a" 1))))
643 (with-test (:name :bug-905817)
644 ;; The bug manifests itself in an endless loop in FORMAT.
645 ;; Correct behaviour is to signal an error.
648 (assert (raises-error? (format nil "e~8,0s" 12395))))
650 (error "Endless loop in FORMAT"))))
652 (with-test (:name :format-type-check)
653 (assert (equal "1/10" (format nil "~2r" 1/2)))
654 (assert (raises-error? (format nil "~r" 1.32) sb-format:format-error))
655 (assert (raises-error? (format nil "~c" 1.32) sb-format:format-error))
656 (assert (equal "1/10" (eval '(format nil "~2r" 1/2))))
657 (assert (raises-error? (eval '(format nil "~r" 1.32)) sb-format:format-error))
658 (assert (raises-error? (eval '(format nil "~c" 1.32)) sb-format:format-error)))