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 ;;; Check that arrays that we print while *PRINT-READABLY* is true are
107 ;;; in fact generating similar objects.
108 (assert (equal (array-dimensions
110 (with-output-to-string (s)
111 (let ((*print-readably* t))
112 (print (make-array '(1 2 0)) s)))))
115 (dolist (array (list (make-array '(1 0 1))
116 (make-array 0 :element-type nil)
117 (make-array 1 :element-type 'base-char)
118 (make-array 1 :element-type 'character)))
119 (assert (multiple-value-bind (result error)
120 (ignore-errors (read-from-string
121 (with-output-to-string (s)
122 (let ((*print-readably* t))
124 ;; it might not be readably-printable
125 (or (typep error 'print-not-readable)
127 ;; or else it had better have the same dimensions
128 (equal (array-dimensions result) (array-dimensions array))
129 ;; and the same element-type
130 (equal (array-element-type result) (array-element-type array)))))))
132 ;;; before 0.8.0.66 it signalled UNBOUND-VARIABLE
133 (write #(1 2 3) :pretty nil :readably t)
135 ;;; another UNBOUND-VARIABLE, this time due to a bug in FORMATTER
137 (funcall (formatter "~@<~A~:*~A~:>") nil 3)
139 ;;; the PPC floating point backend was at one point sufficiently
140 ;;; broken that this looped infinitely or caused segmentation
141 ;;; violations through stack corruption.
144 ;;; In sbcl-0.8.7, the ~W format directive interpreter implemented the
145 ;;; sense of the colon and at-sign modifiers exactly backwards.
147 ;;; (Yes, the test for this *is* substantially hairier than the fix;
148 ;;; wanna make something of it?)
149 (cl:in-package :cl-user)
150 (defstruct wexerciser-0-8-7)
151 (defun wexercise-0-8-7-interpreted (wformat)
152 (format t wformat (make-wexerciser-0-8-7)))
153 (defmacro define-compiled-wexercise-0-8-7 (wexercise wformat)
154 `(defun ,wexercise ()
155 (declare (optimize (speed 3) (space 1)))
156 (format t ,wformat (make-wexerciser-0-8-7))
158 (define-compiled-wexercise-0-8-7 wexercise-0-8-7-compiled-without-atsign "~W")
159 (define-compiled-wexercise-0-8-7 wexercise-0-8-7-compiled-with-atsign "~@W")
160 (defmethod print-object :before ((wexerciser-0-8-7 wexerciser-0-8-7) stream)
161 (unless (and *print-level* *print-length*)
162 (error "gotcha coming")))
163 (let ((*print-level* 11)
165 (wexercise-0-8-7-interpreted "~W")
166 (wexercise-0-8-7-compiled-without-atsign))
167 (remove-method #'print-object
168 (find-method #'print-object
170 (mapcar #'find-class '(wexerciser-0-8-7 t))))
171 (defmethod print-object :before ((wexerciser-0-8-7 wexerciser-0-8-7) stream)
172 (when (or *print-level* *print-length*)
173 (error "gotcha going")))
174 (let ((*print-level* 11)
176 (wexercise-0-8-7-interpreted "~@W")
177 (wexercise-0-8-7-compiled-with-atsign))
179 ;;; WRITE-TO-STRING was erroneously DEFKNOWNed as FOLDABLE
181 ;;; This bug from PFD
182 (defpackage "SCRATCH-WRITE-TO-STRING" (:use))
183 (with-standard-io-syntax
184 (let* ((*package* (find-package "SCRATCH-WRITE-TO-STRING"))
185 (answer (write-to-string 'scratch-write-to-string::x :readably nil)))
186 (assert (string= answer "X"))))
187 ;;; and a couple from Bruno Haible
188 (defun my-pprint-reverse (out list)
190 (when (setq list (reverse list))
192 (write (pop list) :stream out)
193 (when (endp list) (return))
194 (write-char #\Space out)))
195 (write-char #\) out))
196 (with-standard-io-syntax
197 (let ((*print-pprint-dispatch* (copy-pprint-dispatch)))
198 (set-pprint-dispatch '(cons (member foo)) 'my-pprint-reverse 0)
199 (let ((answer (write-to-string '(foo bar :boo 1) :pretty t :escape t)))
200 (assert (string= answer "(1 :BOO BAR FOO)")))))
201 (defun my-pprint-logical (out list)
202 (pprint-logical-block (out list :prefix "(" :suffix ")")
206 (write (pprint-pop) :stream out)
208 (pprint-exit-if-list-exhausted)
209 (write-char #\Space out)))))
210 (with-standard-io-syntax
211 (let ((*print-pprint-dispatch* (copy-pprint-dispatch)))
212 (set-pprint-dispatch '(cons (member bar)) 'my-pprint-logical 0)
213 (let ((answer (write-to-string '(bar foo :boo 1) :pretty t :escape t)))
214 (assert (string= answer "(?BAR? ?FOO? ?:BOO? ?1?)")))))
216 ;;; FORMAT string compile-time checker failure, reported by Thomas
218 (multiple-value-bind (f w-p f-p)
219 (compile nil '(lambda () (format nil "~{")))
220 (assert (and w-p f-p))
221 (assert (nth-value 1 (ignore-errors (funcall f)))))
223 ;;; floating point print/read consistency
224 (let ((x (/ -9.349640046247849d-21 -9.381494249123696d-11)))
225 (let ((y (read-from-string (write-to-string x :readably t))))
228 (let ((x1 (float -5496527/100000000000000000))
229 (x2 (float -54965272/1000000000000000000)))
230 (assert (or (equal (multiple-value-list (integer-decode-float x1))
231 (multiple-value-list (integer-decode-float x2)))
232 (string/= (prin1-to-string x1) (prin1-to-string x2)))))
234 ;;; readable printing of arrays with *print-radix* t
235 (let ((*print-radix* t)
237 (*print-pretty* nil))
238 (let ((output (with-output-to-string (s)
239 (write #2a((t t) (nil nil)) :stream s))))
240 (assert (equalp (read-from-string output) #2a((t t) (nil nil))))))
242 ;;; NIL parameters to "interpreted" FORMAT directives
243 (assert (string= (format nil "~v%" nil) (string #\Newline)))
245 ;;; PRINC-TO-STRING should bind print-readably
246 (let ((*print-readably* t))
247 (assert (string= (princ-to-string #\7)
248 (write-to-string #\7 :escape nil :readably nil))))
250 ;;; in FORMAT, ~^ inside ~:{ should go to the next case, not break
251 ;;; iteration, even if one argument is just a one-element list.
252 (assert (string= (format nil "~:{~A~^~}" '((A) (C D))) "AC"))
254 ;;; errors should be raised if pprint and justification are mixed
256 (dolist (x (list "~<~:;~>~_" "~<~:;~>~I" "~<~:;~>~W"
257 "~<~:;~>~:T" "~<~:;~>~<~:>" "~_~<~:;~>"
258 "~I~<~:;~>" "~W~<~:;~>" "~:T~<~:;~>" "~<~:>~<~:;~>"))
259 (assert (raises-error? (format nil x nil)))
260 (assert (raises-error? (format nil (eval `(formatter ,x)) nil))))
261 ;;; ...but not in judicious cases.
262 (dolist (x (list "~<~;~>~_" "~<~;~>~I" "~<~;~>~W"
263 "~<~;~>~:T" "~<~;~>~<~>" "~_~<~;~>"
264 "~I~<~;~>" "~W~<~;~>" "~:T~<~;~>" "~<~>~<~;~>"
265 "~<~:;~>~T" "~T~<~:;~>"))
266 (assert (format nil x nil))
267 (assert (format nil (eval `(formatter ,x)) nil)))
269 ;;; bug 350: bignum printing so memory-hungry that heap runs out
270 ;;; -- just don't stall here forever on a slow box
271 (with-test (:name bug-350 :fails-on :win32)
274 (print (ash 1 1000000)))
278 ;;; bug 371: bignum print/read inconsistency
279 (defvar *bug-371* -7043009959286724629649270926654940933664689003233793014518979272497911394287216967075767325693021717277238746020477538876750544587281879084559996466844417586093291189295867052594478662802691926547232838591510540917276694295393715934079679531035912244103731582711556740654671309980075069010778644542022/670550434139267031632063192770201289106737062379324644110801846820471752716238484923370056920388400273070254958650831435834503195629325418985020030706879602898158806736813101434594805676212779217311897830937606064579213895527844045511878668289820732425014254579493444623868748969110751636786165152601)
280 (let ((*print-base* 5)
283 (assert (= *bug-371* (read-from-string (prin1-to-string *bug-371*)))))
285 ;;; a spot of random-testing for rational printing
286 (defvar *seed-state* (make-random-state))
287 (print *seed-state*) ; so that we can reproduce errors
288 (let ((seed (make-random-state *seed-state*)))
290 do (let ((n (random (ash 1 1000) seed))
291 (d (random (ash 1 1000) seed)))
292 (when (zerop (random 2 seed))
295 (loop for base from 2 to 36
296 do (let ((*print-base* base)
299 (assert (= r (read-from-string (prin1-to-string r))))
303 (assert (not (eql r (read-from-string (prin1-to-string r)))))
304 (let ((*print-radix* t))
305 (assert (= r (read-from-string
306 (princ-to-string r)))))))))
310 ;;;; Bugs, found by PFD
311 ;;; NIL parameter for ~^ means `not supplied'
312 (loop for (format arg result) in
313 '(("~:{~D~v^~D~}" ((3 1 4) (1 0 2) (7 nil) (5 nil 6)) "341756")
314 ("~:{~1,2,v^~A~}" ((nil 0) (3 1) (0 2)) "02"))
315 do (assert (string= (funcall #'format nil format arg) result))
316 do (assert (string= (with-output-to-string (s)
317 (funcall (eval `(formatter ,format)) s arg))
320 ;;; NIL first parameter for ~R is equivalent to no parameter.
321 (assert (string= (format nil "~VR" nil 5) "five"))
322 (assert (string= (format nil (formatter "~VR") nil 6) "six"))
324 ;;; CSR inserted a bug into Burger & Dybvig's float printer. Caught
326 (assert (string= (format nil "~E" 1d23) "1.d+23"))
328 ;;; Fixed-format bugs from CLISP's test suite (reported by Bruno
330 (assert (string= (format nil "~1F" 10) "10."))
331 (assert (string= (format nil "~0F" 10) "10."))
332 (assert (string= (format nil "~2F" 1234567.1) "1234567."))
334 ;;; here's one that seems to fail most places. I think this is right,
335 ;;; and most of the other answers I've seen are definitely wrong.
336 (assert (string= (format nil "~G" 1d23) "100000000000000000000000. "))
338 ;;; Adam Warner's test case
339 (assert (string= (format nil "~@F" 1.23) "+1.23"))
342 ;;; New (2005-11-08, also known as CSR House day) float format test
343 ;;; cases. Simon Alexander, Raymond Toy, and others
344 (assert (string= (format nil "~9,4,,-7E" pi) ".00000003d+8"))
345 (assert (string= (format nil "~9,4,,-5E" pi) ".000003d+6"))
346 (assert (string= (format nil "~5,4,,7E" pi) "3141600.d-6"))
347 (assert (string= (format nil "~11,4,,3E" pi) " 314.16d-2"))
348 (assert (string= (format nil "~11,4,,5E" pi) " 31416.d-4"))
349 (assert (string= (format nil "~11,4,,0E" pi) " 0.3142d+1"))
350 (assert (string= (format nil "~9,,,-1E" pi) ".03142d+2"))
351 (assert (string= (format nil "~,,,-2E" pi) "0.003141592653589793d+3"))
352 (assert (string= (format nil "~,,,2E" pi) "31.41592653589793d-1"))
353 (assert (string= (format nil "~E" pi) "3.141592653589793d+0"))
354 (assert (string= (format nil "~9,5,,-1E" pi) ".03142d+2"))
355 (assert (string= (format nil "~11,5,,-1E" pi) " 0.03142d+2"))
356 (assert (string= (format nil "~G" pi) "3.141592653589793 "))
357 (assert (string= (format nil "~9,5G" pi) "3.1416 "))
358 (assert (string= (format nil "|~13,6,2,7E|" pi) "| 3141593.d-06|"))
359 (assert (string= (format nil "~9,3,2,0,'%E" pi) "0.314d+01"))
360 (assert (string= (format nil "~9,0,6f" pi) " 3141593."))
361 (assert (string= (format nil "~6,2,1,'*F" pi) " 31.42"))
362 (assert (string= (format nil "~6,2,1,'*F" (* 100 pi)) "******"))
363 (assert (string= (format nil "~9,3,2,-2,'%@E" pi) "+.003d+03"))
364 (assert (string= (format nil "~10,3,2,-2,'%@E" pi) "+0.003d+03"))
365 (assert (string= (format nil "~15,3,2,-2,'%,'=@E" pi) "=====+0.003d+03"))
366 (assert (string= (format nil "~9,3,2,-2,'%E" pi) "0.003d+03"))
367 (assert (string= (format nil "~8,3,2,-2,'%@E" pi) "%%%%%%%%"))
369 (assert (string= (format nil "~g" 1e0) "1. "))
370 (assert (string= (format nil "~g" 1.2d40) "12000000000000000000000000000000000000000. "))
372 (assert (string= (format nil "~e" 0) "0.0e+0"))
373 (assert (string= (format nil "~e" 0d0) "0.0d+0"))
374 (assert (string= (format nil "~9,,4e" 0d0) "0.0d+0000"))
376 (let ((table (make-hash-table)))
377 (setf (gethash 1 table) t)
379 (raises-error? (with-standard-io-syntax
380 (let ((*read-eval* nil)
381 (*print-readably* t))
382 (with-output-to-string (*standard-output*)
384 print-not-readable)))
386 ;; Test that we can print characters readably regardless of the external format
389 (defun test-readable-character (character external-format)
390 (let ((file "print.impure.tmp"))
393 (with-open-file (stream file
395 :external-format external-format
396 :if-exists :supersede)
397 (write character :stream stream :readably t))
398 (with-open-file (stream file
400 :external-format external-format
401 :if-does-not-exist :error)
402 (assert (char= (read stream) character))))
404 (delete-file file)))))
406 (with-test (:name (:print-readable :character :utf-8) :skipped-on '(not :sb-unicode))
407 (test-readable-character (code-char #xfffe) :utf-8))
409 (with-test (:name (:print-readable :character :iso-8859-1) :skipped-on '(not :sb-unicode))
410 (test-readable-character (code-char #xfffe) :iso-8859-1))
412 (assert (string= (eval '(format nil "~:C" #\a)) "a"))
413 (assert (string= (format nil (formatter "~:C") #\a) "a"))
415 ;;; This used to trigger an AVER instead.
416 (assert (raises-error? (eval '(formatter "~>")) sb-format:format-error))
417 (assert (raises-error? (eval '(format t "~>")) sb-format:format-error))
419 ;;; readably printing hash-tables, check for circularity
421 (h (make-hash-table))
425 (setf (gethash x h) h)
426 (destructuring-bind (x2 . h2) (read-from-string (write-to-string (cons x h)))
427 (assert (equal x x2))
428 (assert (eq h2 (gethash x2 h2)))))
430 ;;; an off-by-one error in the ~R format directive until 1.0.15.20
431 ;;; prevented printing cardinals and ordinals between (expt 10 63) and
432 ;;; (1- (expt 10 66))
433 (assert (string= (format nil "~R" (expt 10 63)) "one vigintillion"))
434 (assert (string= (format nil "~:R" (expt 10 63)) "one vigintillionth"))
436 ;;; too-clever cacheing for PRINT-OBJECT resulted in a bogus method
437 ;;; for printing RESTART objects. Check also CONTROL-STACK-EXHAUSTED
438 ;;; and HEAP-EXHAUSTED-ERROR.
439 (let ((result (with-output-to-string (*standard-output*)
440 (princ (find-restart 'abort)))))
441 (assert (string/= result "#<" :end1 2)))
442 (let ((result (with-output-to-string (*standard-output*)
443 (princ (make-condition 'sb-kernel::control-stack-exhausted)))))
444 (assert (string/= result "#<" :end1 2)))
445 (let ((result (with-output-to-string (*standard-output*)
446 (princ (make-condition 'sb-kernel::heap-exhausted-error)))))
447 (assert (string/= result "#<" :end1 2)))
449 (with-test (:name (:with-standard-io-syntax :bind-print-pprint-dispatch))
450 (let ((*print-pprint-dispatch* (copy-pprint-dispatch nil)))
451 (set-pprint-dispatch 'symbol #'(lambda (stream obj)
452 (declare (ignore obj))
453 (write-string "FOO" stream)))
454 (with-standard-io-syntax
455 (let ((*print-pretty* t))
456 (assert (string= (princ-to-string 'bar) "BAR"))))))
460 (defclass a-class-name () ())
462 (assert (find #\Newline
463 (let ((*print-pretty* t)
464 (*print-right-margin* 10))
465 (format nil "~A" (make-instance 'a-class-name)))
468 (assert (not (find #\Newline
469 (let ((*print-pretty* nil)
470 (*print-right-margin* 10))
471 (format nil "~A" (make-instance 'a-class-name)))
474 ;;; The PRINT-OBJECT method for RANDOM-STATE used to have a bogus
475 ;;; dimension argument for MAKE-ARRAY.
476 (with-test (:name :print-random-state)
477 (assert (equalp *random-state*
479 (write-to-string *random-state*)))))
481 (with-test (:name :write-return-value)
482 (assert (= 123 (funcall (compile nil (lambda ()
485 (with-test (:name :write/write-to-string-compiler-macro-lp/598374+581564)
486 (let ((test (compile nil
487 `(lambda (object &optional output-stream)
489 :stream output-stream)))))
490 (assert (equal "(HELLO WORLD)"
491 (with-output-to-string (*standard-output*)
492 (let ((list '(hello world)))
493 (assert (eq list (funcall test list)))))))
495 (with-output-to-string (*standard-output*)
496 (assert (eql 12 (funcall test 12)))))))
497 (let ((test (compile nil
499 (let ((*print-length* 42))
500 (write-to-string *print-length* :length nil))))))
501 (assert (equal "42" (funcall test)))))
503 (with-test (:name (:format :compile-literal-dest-string))
507 `(lambda (x) (format "~A" x)))
508 ((and warning (not style-warning)) ()
511 (with-test (:name :bug-308961)
512 (assert (string= (format nil "~4,1F" 0.001) " 0.0"))
513 (assert (string= (format nil "~4,1@F" 0.001) "+0.0"))
514 (assert (string= (format nil "~E" 0.01) "1.e-2"))
515 (assert (string= (format nil "~G" 0.01) "1.00e-2")))
517 (with-test (:name (:fp-read/print-consistency single-float))
518 (let ((*random-state* (make-random-state t))
520 (loop for f = most-positive-single-float then (/ f 2.0)
524 do (unless (eql fr (read-from-string (prin1-to-string fr)))
527 (loop for f = most-negative-single-float then (/ f 2.0)
530 for fr = (- (random (- f)))
531 do (unless (eql fr (read-from-string (prin1-to-string fr)))
535 (error "FP read/print inconsistencies:~%~:{ ~S => ~S~%~}"
537 (list f (read-from-string (prin1-to-string f))))
540 (with-test (:name (:fp-read/print-consistency double-float))
541 (let ((*random-state* (make-random-state t))
543 ;; FIXME skipping denormalized floats due to bug 793774.
544 (loop for f = most-positive-double-float then (/ f 2d0)
548 do (unless (float-denormalized-p fr)
549 (unless (eql fr (read-from-string (prin1-to-string fr)))
552 (loop for f = most-negative-double-float then (/ f 2d0)
555 for fr = (- (random (- f)))
556 do (unless (float-denormalized-p fr)
557 (unless (eql fr (read-from-string (prin1-to-string fr)))
561 (error "FP read/print inconsistencies:~%~:{ ~S => ~S~%~}"
563 (list f (read-from-string (prin1-to-string f))))
566 (with-test (:name :bug-811386)
567 (assert (equal " 0.00" (format nil "~7,2,-2f" 0)))
568 (assert (equal " 0.00" (format nil "~7,2,2f" 0)))
569 (assert (equal " 0.01" (format nil "~7,2,-2f" 1)))
570 (assert (equal " 100.00" (format nil "~7,2,2f" 1)))
571 (assert (equal " 0.00" (format nil "~7,2,-2f" 0.1)))
572 (assert (equal " 10.00" (format nil "~7,2,2f" 0.1)))
573 (assert (equal " 0.01" (format nil "~7,2,-2f" 0.5))))
575 (with-test (:name :bug-867684)
576 (assert (equal "ab" (format nil "a~0&b"))))
578 (with-test (:name :print-unreadably-function)
579 (assert (equal "\"foo\""
580 (handler-bind ((print-not-readable #'sb-ext:print-unreadably))
581 (write-to-string (coerce "foo" 'base-string) :readably t)))))
583 (with-test (:name :printing-specialized-arrays-readably)
584 (let ((*read-eval* t)
585 (dimss (loop repeat 10
586 collect (loop repeat (1+ (random 3))
587 collect (1+ (random 10)))))
588 (props sb-vm::*specialized-array-element-type-properties*))
589 (labels ((random-elt (type)
592 (code-char (random 128)))
594 (code-char (random char-code-limit)))
596 (+ least-positive-normalized-single-float
597 (random most-positive-single-float)))
599 (+ least-positive-normalized-double-float
600 (random most-positive-double-float)))
604 (random most-positive-fixnum))
608 (destructuring-bind (type x) type
611 (random (1- (expt 2 x))))
613 (- (random (expt 2 (1- x)))))
615 (complex (random-elt x) (random-elt x)))))))))
616 (dotimes (i (length props))
617 (let ((et (sb-vm::saetp-specifier (aref props i))))
619 (when (eq 'base-char et)
620 ;; base-strings not included in the #. printing.
623 (let ((a (make-array dims :element-type et)))
624 (assert (equal et (array-element-type a)))
625 (dotimes (i (array-total-size a))
626 (setf (row-major-aref a i) (random-elt et)))
627 (let ((copy (read-from-string (write-to-string a :readably t))))
628 (assert (equal dims (array-dimensions copy)))
629 (assert (equal et (array-element-type copy)))
630 (assert (equal (array-total-size a) (array-total-size copy)))
631 (dotimes (i (array-total-size a))
632 (assert (equal (row-major-aref a i) (row-major-aref copy i)))))))))
635 (with-test (:name (:format :negative-colinc-and-mincol))
636 (assert (raises-error? (format nil "~-2a" 1)))
637 (assert (raises-error? (format nil "~,0a" 1))))
639 (with-test (:name :bug-905817)
640 ;; The bug manifests itself in an endless loop in FORMAT.
641 ;; Correct behaviour is to signal an error.
644 (assert (raises-error? (format nil "e~8,0s" 12395))))
646 (error "Endless loop in FORMAT"))))