tests/seq.impure.lisp

   1 ;;;; tests related to sequences
   2
   3 ;;;; This file is impure because we want to be able to use DEFUN.
   4
   5 ;;;; This software is part of the SBCL system. See the README file for
   6 ;;;; more information.
   7 ;;;;
   8 ;;;; While most of SBCL is derived from the CMU CL system, the test
   9 ;;;; files (like this one) were written from scratch after the fork
  10 ;;;; from CMU CL.
  11 ;;;;
  12 ;;;; This software is in the public domain and is provided with
  13 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
  14 ;;;; more information.
  15
  16 (load "test-util.lisp")
  17 (load "assertoid.lisp")
  18
  19 (defpackage :seq-test
  20   (:use :cl :assertoid :test-util))
  21
  22 (in-package :seq-test)
  23
  24 ;;; user-defined mock sequence class for testing generic versions of
  25 ;;; sequence functions.
  26 (defclass list-backed-sequence (standard-object
  27                                 sequence)
  28   ((elements :initarg :elements :type list :accessor %elements)))
  29
  30 (defmethod sequence:make-sequence-like ((sequence list-backed-sequence) length
  31                                         &rest args &key
  32                                         initial-element initial-contents)
  33   (declare (ignore initial-element initial-contents))
  34   (make-instance 'list-backed-sequence
  35                  :elements (apply #'sequence:make-sequence-like
  36                                   '() length args)))
  37
  38 (defmethod sequence:length ((sequence list-backed-sequence))
  39   (length (%elements sequence)))
  40
  41 (defmethod sequence:elt
  42     ((sequence list-backed-sequence) index)
  43   (nth index (%elements sequence)))
  44
  45 (defmethod (setf sequence:elt)
  46     (new-value (sequence list-backed-sequence) index)
  47   (setf (nth index (%elements sequence)) new-value))
  48
  49 ;;; helper functions for exercising SEQUENCE code on data of many
  50 ;;; specialized types, and in many different optimization scenarios
  51 (defun for-every-seq-1 (base-seq snippet)
  52   (labels
  53       ((entirely (eltype)
  54          (every (lambda (el) (typep el eltype)) base-seq))
  55        (make-sequence-for-type (type)
  56          (etypecase type
  57            ((member list list-backed-sequence)
  58             (coerce base-seq type))
  59            ((cons (eql simple-array) (cons * (cons (eql 1) null)))
  60             (destructuring-bind (eltype one) (rest type)
  61               (when (entirely eltype)
  62                 (coerce base-seq type))))
  63            ((cons (eql vector))
  64             (destructuring-bind (eltype) (rest type)
  65               (when (entirely eltype)
  66                 (let ((initial-element
  67                         (cond ((subtypep eltype 'character)
  68                                #\!)
  69                               ((subtypep eltype 'number)
  70                                0)
  71                                 (t #'error))))
  72                   (replace (make-array
  73                             (+ (length base-seq)
  74                                (random 3))
  75                             :element-type eltype
  76                             :fill-pointer
  77                             (length base-seq)
  78                             :initial-element
  79                             initial-element)
  80                            base-seq))))))))
  81     (dolist (seq-type '(list
  82                         (simple-array t 1)
  83                         (vector t)
  84                         (simple-array character 1)
  85                         (vector character)
  86                         (simple-array (signed-byte 4) 1)
  87                         (vector (signed-byte 4))
  88                         list-backed-sequence))
  89       (dolist (declaredness '(nil t))
  90         (dolist (optimization '(((speed 3) (space 0))
  91                                 ((speed 2) (space 2))
  92                                 ((speed 1) (space 2))
  93                                 ((speed 0) (space 1))))
  94           (let ((seq (make-sequence-for-type seq-type))
  95                 (lambda-expr `(lambda (seq)
  96                                 ,@(when declaredness
  97                                     `((declare (type ,seq-type seq))))
  98                                 (declare (optimize ,@optimization))
  99                                 ,snippet)))
 100             (when (not seq)
 101               (return))
 102             (format t "~&~S~%" lambda-expr)
 103             (multiple-value-bind (fun warnings-p failure-p)
 104                 (compile nil lambda-expr)
 105               (when (or warnings-p failure-p)
 106                 (error "~@<failed compilation:~2I ~_LAMBDA-EXPR=~S ~_WARNINGS-P=~S ~_FAILURE-P=~S~:@>"
 107                        lambda-expr warnings-p failure-p))
 108               (format t "~&~S ~S~%~S~%~S ~S~%"
 109                       base-seq snippet seq-type declaredness optimization)
 110               (format t "~&(TYPEP SEQ 'SIMPLE-ARRAY)=~S~%"
 111                       (typep seq 'simple-array))
 112               (unless (funcall fun seq)
 113                 (error "~@<failed test:~2I ~_BASE-SEQ=~S ~_SNIPPET=~S ~_SEQ-TYPE=~S ~_DECLAREDNESS=~S ~_OPTIMIZATION=~S~:@>"
 114                        base-seq
 115                        snippet
 116                        seq-type
 117                        declaredness
 118                        optimization)))))))))
 119 (defun for-every-seq (base-seq snippets)
 120   (dolist (snippet snippets)
 121     (for-every-seq-1 base-seq snippet)))
 122
 123 ;;; a wrapper to hide declared type information from the compiler, so
 124 ;;; we don't get stopped by compiler warnings about e.g. compiling
 125 ;;; (POSITION 1 #() :KEY #'ABS) when #() has been coerced to a string.
 126 (defun indiscriminate (fun)
 127   (lambda (&rest rest) (apply fun rest)))
 128
 129 ;;; asymmetric test arg order example from ANSI FIND definition page
 130 (assert (eql #\space ; original example, depends on ASCII character ordering
 131              (find #\d "here are some letters that can be looked at"
 132                    :test #'char>)))
 133 (assert (eql #\e ; modified example, depends only on standard a-z ordering
 134              (find #\f "herearesomeletters" :test #'char>)))
 135 (assert (eql 4 ; modified more, avoids charset technicalities completely
 136              (find 5 '(6 4) :test '>)))
 137
 138 (with-test (:name sequence:emptyp)
 139   (for-every-seq #()
 140     '((eq t (sequence:emptyp seq))))
 141   (for-every-seq #(1)
 142     '((eq nil (sequence:emptyp seq)))))
 143
 144 ;;; tests of FIND, POSITION, FIND-IF, and POSITION-IF (and a few for
 145 ;;; deprecated FIND-IF-NOT and POSITION-IF-NOT too)
 146 (for-every-seq #()
 147   '((null (find 1 seq))
 148     (null (find 1 seq :from-end t))
 149     (null (position 1 seq :key (indiscriminate #'abs)))
 150     (null (position nil seq :test (constantly t)))
 151     (null (position nil seq :test nil))
 152     (null (position nil seq :test-not nil))
 153     (null (find-if #'1+ seq :key (indiscriminate #'log)))
 154     (null (position-if #'identity seq :from-end t))
 155     (null (find-if-not #'packagep seq))
 156     (null (position-if-not #'packagep seq :key nil))))
 157 (for-every-seq #(1)
 158   '((null (find 2 seq))
 159     ;; Get the argument ordering for asymmetric tests like #'> right.
 160     ;; (bug reported and fixed by Alexey Dejneka sbcl-devel 2001-10-17)
 161     (eql 1 (find 2 seq :test #'>))
 162     (find 2 seq :key #'1+)
 163     (find 1 seq :from-end t)
 164     (null (find 1 seq :from-end t :start 1))
 165     (null (find 0 seq :from-end t))
 166     (eql 0 (position 1 seq :key #'abs))
 167     (null (position nil seq :test 'equal))
 168     (eql 1 (find-if #'1- seq :key #'log))
 169     (eql 0 (position-if #'identity seq :from-end t))
 170     (null (find-if-not #'sin seq))
 171     (eql 0 (position-if-not #'packagep seq :key 'identity))))
 172 (for-every-seq #(1 2 3 2 1)
 173   '((find 3 seq)
 174     (find 3 seq :from-end 'yes)
 175     (eql 1 (position 1.5 seq :test #'<))
 176     (eql 0 (position 0 seq :key '1-))
 177     (eql 4 (position 0 seq :key '1- :from-end t))
 178     (eql 2 (position 4 seq :key '1+))
 179     (eql 2 (position 4 seq :key '1+ :from-end t))
 180     (eql 1 (position 2 seq))
 181     (eql 1 (position 2 seq :start 1))
 182     (null (find 2 seq :start 1 :end 1))
 183     (eql 3 (position 2 seq :start 2))
 184     (eql 3 (position 2 seq :key nil :from-end t))
 185     (eql 2 (position 3 seq :test '=))
 186     (eql 0 (position 3 seq :test-not 'equalp))
 187     (eql 2 (position 3 seq :test 'equal :from-end t))
 188     (null (position 4 seq :test #'eql))
 189     (null (find-if #'packagep seq))
 190     (eql 1 (find-if #'plusp seq))
 191     (eql 3 (position-if #'plusp seq :key #'1- :from-end t))
 192     (eql 1 (position-if #'evenp seq))
 193     (eql 3 (position-if #'evenp seq :from-end t))
 194     (eql 2 (position-if #'plusp seq :from-end nil :key '1- :start 2))
 195     (eql 3 (position-if #'plusp seq :from-end t :key '1- :start 2))
 196     (null (position-if #'plusp seq :from-end t :key '1- :start 2 :end 2))
 197     (null (find-if-not #'plusp seq))
 198     (eql 0 (position-if-not #'evenp seq))
 199     (eql 0 (search #(1) seq))
 200     (eql 1 (search #(4 5) seq :key 'oddp))
 201     (eql 1 (search #(-2) seq :test (lambda (a b) (= (- a) b))))
 202     (eql 4 (search #(1) seq :start2 1))
 203     (null (search #(3) seq :start2 3))
 204     (eql 2 (search #(3) seq :start2 2))
 205     (eql 0 (search #(1 2) seq))
 206     (null (search #(2 1 3) seq))
 207     (eql 0 (search #(0 1 2 4) seq :start1 1 :end1 3))
 208     (eql 3 (search #(0 2 1 4) seq :start1 1 :end1 3))
 209     (eql 4 (search #(1) seq :from-end t))
 210     (eql 0 (search #(1 2) seq :from-end t))
 211     (null (search #(1 2) seq :from-end t :start2 1))
 212     (eql 0 (search #(0 1 2 4) seq :from-end t :start1 1 :end1 3))
 213     (eql 3 (search #(0 2 1 4) seq :from-end t :start1 1 :end1 3))
 214     (null (search #(2 1 3) seq :from-end t))))
 215 (for-every-seq "string test"
 216   '((null (find 0 seq))
 217     (null (find #\D seq :key #'char-upcase))
 218     (find #\E seq :key #'char-upcase)
 219     (null (find #\e seq :key #'char-upcase))
 220     (eql 3 (position #\i seq))
 221     (eql 0 (position #\s seq :key #'char-downcase))
 222     (eql 1 (position #\s seq :key #'char-downcase :test #'char/=))
 223     (eql 9 (position #\s seq :from-end t :test #'char=))
 224     (eql 10 (position #\s seq :from-end t :test #'char/=))
 225     (eql 4 (position #\N seq :from-end t :key 'char-upcase :test #'char-equal))
 226     (eql 5 (position-if (lambda (c) (equal #\g c)) seq))
 227     (eql 5 (position-if (lambda (c) (equal #\g c)) seq :from-end t))
 228     (find-if #'characterp seq)
 229     (find-if (lambda (c) (typep c 'base-char)) seq :from-end t)
 230     (null (find-if 'upper-case-p seq))))
 231
 232 ;;; SUBSEQ
 233 (let ((avec (make-array 10
 234                         :fill-pointer 4
 235                         :initial-contents '(0 1 2 3 iv v vi vii iix ix))))
 236   ;; These first five always worked AFAIK.
 237   (assert (equalp (subseq avec 0 3) #(0 1 2)))
 238   (assert (equalp (subseq avec 3 3) #()))
 239   (assert (equalp (subseq avec 1 3) #(1 2)))
 240   (assert (equalp (subseq avec 1) #(1 2 3)))
 241   (assert (equalp (subseq avec 1 4) #(1 2 3)))
 242   ;; SBCL bug found ca. 2002-05-01 by OpenMCL's correct handling of
 243   ;; SUBSEQ, CSR's driving portable cross-compilation far enough to
 244   ;; reach the SUBSEQ calls in assem.lisp, and WHN's sleazy
 245   ;; translation of old CMU CL new-assem.lisp into sufficiently grotty
 246   ;; portable Lisp that it passed suitable illegal values to SUBSEQ to
 247   ;; exercise the bug:-|
 248   ;;
 249   ;; SUBSEQ should check its END value against logical LENGTH, not
 250   ;; physical ARRAY-DIMENSION 0.
 251   ;;
 252   ;; fixed in sbcl-0.7.4.22 by WHN
 253   (assert (null (ignore-errors (aref (subseq avec 1 5) 0)))))
 254
 255 ;;; FILL
 256 (defun test-fill-typecheck (x)
 257   (declare (optimize (safety 3) (space 2) (speed 1)))
 258   (fill (make-string 10) x))
 259
 260 (assert (string= (test-fill-typecheck #\@) "@@@@@@@@@@"))
 261 ;;; BUG 186, fixed in sbcl-0.7.5.5
 262 (assert (null (ignore-errors (test-fill-typecheck 4097))))
 263
 264 ;;; MAKE-SEQUENCE, COERCE, CONCATENATE, MERGE, MAP and requested
 265 ;;; result type (BUGs 46a, 46b, 66)
 266 (macrolet ((assert-type-error (form)
 267              `(assert (typep (nth-value 1 (ignore-errors ,form))
 268                              'type-error))))
 269   (dolist (type-stub '((simple-vector)
 270                        (vector *)
 271                        (vector (signed-byte 8))
 272                        (vector (unsigned-byte 16))
 273                        (vector (signed-byte 32))
 274                        (simple-bit-vector)))
 275     (declare (optimize safety))
 276     (format t "~&~S~%" type-stub)
 277     ;; MAKE-SEQUENCE
 278     (assert (= (length (make-sequence `(,@type-stub) 10)) 10))
 279     (assert (= (length (make-sequence `(,@type-stub 10) 10)) 10))
 280     (assert-type-error (make-sequence `(,@type-stub 10) 11))
 281     ;; COERCE
 282     (assert (= (length (coerce '(0 0 0) `(,@type-stub))) 3))
 283     (assert (= (length (coerce #(0 0 0) `(,@type-stub 3))) 3))
 284     (assert-type-error (coerce #*111 `(,@type-stub 4)))
 285     ;; CONCATENATE
 286     (assert (= (length (concatenate `(,@type-stub) #(0 0 0) #*111)) 6))
 287     (assert (equalp (concatenate `(,@type-stub) #(0 0 0) #*111)
 288                    (coerce #(0 0 0 1 1 1) `(,@type-stub))))
 289     (assert (= (length (concatenate `(,@type-stub 6) #(0 0 0) #*111)) 6))
 290     (assert (equalp (concatenate `(,@type-stub 6) #(0 0 0) #*111)
 291                    (coerce #(0 0 0 1 1 1) `(,@type-stub 6))))
 292     (assert-type-error (concatenate `(,@type-stub 5) #(0 0 0) #*111))
 293     ;; MERGE
 294     (macrolet ((test (type)
 295                  `(merge ,type (copy-seq #(0 1 0)) (copy-seq #*111) #'>)))
 296       (assert (= (length (test `(,@type-stub))) 6))
 297       (assert (equalp (test `(,@type-stub))
 298                       (coerce #(1 1 1 0 1 0) `(,@type-stub))))
 299       (assert (= (length (test `(,@type-stub 6))) 6))
 300       (assert (equalp (test `(,@type-stub 6))
 301                       (coerce #(1 1 1 0 1 0) `(,@type-stub 6))))
 302       (assert-type-error (test `(,@type-stub 4))))
 303     ;; MAP
 304     (assert (= (length (map `(,@type-stub) #'logxor #(0 0 1 1) '(0 1 0 1))) 4))
 305     (assert (equalp (map `(,@type-stub) #'logxor #(0 0 1 1) '(0 1 0 1))
 306                    (coerce #(0 1 1 0) `(,@type-stub))))
 307     (assert (= (length (map `(,@type-stub 4) #'logxor #(0 0 1 1) '(0 1 0 1)))
 308                4))
 309     (assert (equalp (map `(,@type-stub 4) #'logxor #(0 0 1 1) '(0 1 0 1))
 310                    (coerce #(0 1 1 0) `(,@type-stub 4))))
 311     (assert-type-error (map `(,@type-stub 5) #'logxor #(0 0 1 1) '(0 1 0 1))))
 312   ;; some more CONCATENATE tests for strings
 313   (locally
 314       (declare (optimize safety))
 315     (assert (string= (concatenate 'string "foo" " " "bar") "foo bar"))
 316     (assert (string= (concatenate '(string 7) "foo" " " "bar") "foo bar"))
 317     (assert-type-error (concatenate '(string 6) "foo" " " "bar"))
 318     (assert (string= (concatenate '(string 6) "foo" #(#\b #\a #\r)) "foobar"))
 319     (assert-type-error (concatenate '(string 7) "foo" #(#\b #\a #\r))))
 320   ;; Non-VECTOR ARRAY types aren't allowed as vector type specifiers.
 321   (locally
 322     (declare (optimize safety))
 323     (assert-type-error (concatenate 'simple-array "foo" "bar"))
 324     (assert-type-error (map 'simple-array #'identity '(1 2 3)))
 325     (assert (equalp #(11 13)
 326                     (map '(simple-array fixnum (*)) #'+ '(1 2 3) '(10 11))))
 327     (assert-type-error (coerce '(1 2 3) 'simple-array))
 328     (assert-type-error (merge 'simple-array (list 1 3) (list 2 4) '<))
 329     (assert (equalp #(3 2 1) (coerce '(3 2 1) '(vector fixnum))))
 330     (assert-type-error (map 'array #'identity '(1 2 3)))
 331     (assert-type-error (map '(array fixnum) #'identity '(1 2 3)))
 332     (assert (equalp #(1 2 3) (coerce '(1 2 3) '(vector fixnum))))
 333     ;; but COERCE has an exemption clause:
 334     (assert (string= "foo" (coerce "foo" 'simple-array)))
 335     ;; ... though not in all cases.
 336     (assert-type-error (coerce '(#\f #\o #\o) 'simple-array))))
 337
 338 ;; CONCATENATE used to fail for generic sequences for result-type NULL.
 339 (with-test (:name (concatenate :result-type-null :bug-1162301))
 340   (assert (sequence:emptyp (concatenate 'null)))
 341
 342   (for-every-seq #()
 343     '((sequence:emptyp (concatenate 'null seq))
 344       (sequence:emptyp (concatenate 'null seq seq))
 345       (sequence:emptyp (concatenate 'null seq #()))
 346       (sequence:emptyp (concatenate 'null seq ""))))
 347
 348   (for-every-seq #(1)
 349     (mapcar (lambda (form)
 350               `(typep (nth-value 1 (ignore-errors ,form)) 'type-error))
 351             '((concatenate 'null seq)
 352               (concatenate 'null seq seq)
 353               (concatenate 'null seq #())
 354               (concatenate 'null seq "2")))))
 355
 356 ;;; As pointed out by Raymond Toy on #lisp IRC, MERGE had some issues
 357 ;;; with user-defined types until sbcl-0.7.8.11
 358 (deftype list-typeoid () 'list)
 359 (assert (equal '(1 2 3 4) (merge 'list-typeoid (list 1 3) (list 2 4) '<)))
 360 ;;; and also with types that weren't precicely LIST
 361 (assert (equal '(1 2 3 4) (merge 'cons (list 1 3) (list 2 4) '<)))
 362
 363 ;;; but wait, there's more! The NULL and CONS types also have implicit
 364 ;;; length requirements:
 365 (macrolet ((assert-type-error (form)
 366              `(assert (typep (nth-value 1 (ignore-errors ,form))
 367                              'type-error))))
 368   (locally
 369       (declare (optimize safety))
 370     ;; MAKE-SEQUENCE
 371     (assert-type-error (make-sequence 'cons 0))
 372     (assert-type-error (make-sequence 'null 1))
 373     (assert-type-error (make-sequence '(cons t null) 0))
 374     (assert-type-error (make-sequence '(cons t null) 2))
 375     ;; KLUDGE: I'm not certain that this test actually tests for what
 376     ;; it should test, in that the type deriver and optimizers might
 377     ;; be too smart for the good of an exhaustive test system.
 378     ;; However, it makes me feel good.  -- CSR, 2002-10-18
 379     (assert (null (make-sequence 'null 0)))
 380     (assert (= (length (make-sequence 'cons 3)) 3))
 381     (assert (= (length (make-sequence '(cons t null) 1)) 1))
 382     ;; and NIL is not a valid type for MAKE-SEQUENCE
 383     (assert-type-error (make-sequence 'nil 0))
 384     ;; COERCE
 385     (assert-type-error (coerce #(1) 'null))
 386     (assert-type-error (coerce #() 'cons))
 387     (assert-type-error (coerce #() '(cons t null)))
 388     (assert-type-error (coerce #(1 2) '(cons t null)))
 389     (assert (null (coerce #() 'null)))
 390     (assert (= (length (coerce #(1) 'cons)) 1))
 391     (assert (= (length (coerce #(1) '(cons t null))) 1))
 392     (assert-type-error (coerce #() 'nil))
 393     ;; MERGE
 394     (assert-type-error (merge 'null (list 1 3) (list 2 4) '<))
 395     (assert-type-error (merge 'cons () () '<))
 396     (assert (null (merge 'null () () '<)))
 397     (assert (= (length (merge 'cons (list 1 3) (list 2 4) '<)) 4))
 398     (assert (= (length (merge '(cons t (cons t (cons t (cons t null))))
 399                               (list 1 3) (list 2 4)
 400                               '<))
 401                4))
 402     (assert-type-error (merge 'nil () () '<))
 403     ;; CONCATENATE
 404     (assert-type-error (concatenate 'cons #() ()))
 405     (assert-type-error (concatenate '(cons t null) #(1 2 3) #(4 5 6)))
 406     (assert (= (length (concatenate 'cons #() '(1) "2 3")) 4))
 407     (assert (= (length (concatenate '(cons t cons) '(1) "34")) 3))
 408     (assert-type-error (concatenate 'nil '(3)))
 409     ;; FIXME: tests for MAP to come when some brave soul implements
 410     ;; the analogous type checking for MAP/%MAP.
 411     ))
 412 \f
 413 ;;; ELT should signal an error of type TYPE-ERROR if its index
 414 ;;; argument isn't a valid sequence index for sequence:
 415 (defun test-elt-signal (x)
 416   (elt x 3))
 417 (assert (raises-error? (test-elt-signal "foo") type-error))
 418 (assert (eql (test-elt-signal "foob") #\b))
 419 (locally
 420   (declare (optimize (safety 3)))
 421   (assert (raises-error? (elt (list 1 2 3) 3) type-error)))
 422 \f
 423 ;;; confusion in the refactoring led to this signalling an unbound
 424 ;;; variable, not a type error.
 425 (defun svrefalike (x)
 426   (svref x 0))
 427 (assert (raises-error? (svrefalike #*0) type-error))
 428 \f
 429 ;;; checks for uniform bounding index handling.
 430 ;;;
 431 ;;; This used to be SAFETY 3 only, but bypassing these checks with
 432 ;;; above-zero speed when SPEED > SAFETY is not The SBCL Way.
 433 ;;;
 434 ;;; KLUDGE: not all in one big form because that causes SBCL to spend
 435 ;;; an absolute age trying to compile it.
 436 (defmacro sequence-bounding-indices-test (&body body)
 437   `(progn
 438      (locally
 439     ;; See Issues 332 [and 333(!)] in the CLHS
 440     (declare (optimize (speed 3) (safety 1)))
 441     (let ((string (make-array 10
 442                               :fill-pointer 5
 443                               :initial-element #\a
 444                               :element-type 'base-char)))
 445         ,(car body)
 446         (format t "... BASE-CHAR")
 447         (finish-output)
 448         (flet ((reset ()
 449                  (setf (fill-pointer string) 10)
 450                  (fill string #\a)
 451                  (setf (fill-pointer string) 5)))
 452           (declare (ignorable #'reset))
 453           ,@(cdr body))))
 454     (locally
 455       ;; See Issues 332 [and 333(!)] in the CLHS
 456       (declare (optimize (speed 3) (safety 1)))
 457       (let ((string (make-array 10
 458                                 :fill-pointer 5
 459                                 :initial-element #\a
 460                                 :element-type 'character)))
 461         ,(car body)
 462         (format t "... CHARACTER")
 463         (finish-output)
 464       (flet ((reset ()
 465                (setf (fill-pointer string) 10)
 466                (fill string #\a)
 467                (setf (fill-pointer string) 5)))
 468         (declare (ignorable #'reset))
 469           ,@(cdr body))))))
 470
 471 (declaim (notinline opaque-identity))
 472 (defun opaque-identity (x) x)
 473 ;;; Accessor SUBSEQ
 474 (sequence-bounding-indices-test
 475  (format t "~&/Accessor SUBSEQ")
 476  (assert (string= (subseq string 0 5) "aaaaa"))
 477  (assert (raises-error? (subseq string 0 6)))
 478  (assert (raises-error? (subseq string (opaque-identity -1) 5)))
 479  (assert (raises-error? (subseq string 4 2)))
 480  (assert (raises-error? (subseq string 6)))
 481  (assert (string= (setf (subseq string 0 5) "abcde") "abcde"))
 482  (assert (string= (subseq string 0 5) "abcde"))
 483  (reset)
 484  (assert (raises-error? (setf (subseq string 0 6) "abcdef")))
 485  (assert (raises-error? (setf (subseq string (opaque-identity -1) 5) "abcdef")))
 486  (assert (raises-error? (setf (subseq string 4 2) "")))
 487  (assert (raises-error? (setf (subseq string 6) "ghij"))))
 488
 489 ;;; Function COUNT, COUNT-IF, COUNT-IF-NOT
 490 (sequence-bounding-indices-test
 491  (format t "~&/Function COUNT, COUNT-IF, COUNT-IF-NOT")
 492  (assert (= (count #\a string :start 0 :end nil) 5))
 493  (assert (= (count #\a string :start 0 :end 5) 5))
 494  (assert (raises-error? (count #\a string :start 0 :end 6)))
 495  (assert (raises-error? (count #\a string :start (opaque-identity -1) :end 5)))
 496  (assert (raises-error? (count #\a string :start 4 :end 2)))
 497  (assert (raises-error? (count #\a string :start 6 :end 9)))
 498  (assert (= (count-if #'alpha-char-p string :start 0 :end nil) 5))
 499  (assert (= (count-if #'alpha-char-p string :start 0 :end 5) 5))
 500  (assert (raises-error?
 501           (count-if #'alpha-char-p string :start 0 :end 6)))
 502  (assert (raises-error?
 503           (count-if #'alpha-char-p string :start (opaque-identity -1) :end 5)))
 504  (assert (raises-error?
 505           (count-if #'alpha-char-p string :start 4 :end 2)))
 506  (assert (raises-error?
 507           (count-if #'alpha-char-p string :start 6 :end 9)))
 508  (assert (= (count-if-not #'alpha-char-p string :start 0 :end nil) 0))
 509  (assert (= (count-if-not #'alpha-char-p string :start 0 :end 5) 0))
 510  (assert (raises-error?
 511           (count-if-not #'alpha-char-p string :start 0 :end 6)))
 512  (assert (raises-error?
 513           (count-if-not #'alpha-char-p string :start (opaque-identity -1) :end 5)))
 514  (assert (raises-error?
 515           (count-if-not #'alpha-char-p string :start 4 :end 2)))
 516  (assert (raises-error?
 517           (count-if-not #'alpha-char-p string :start 6 :end 9))))
 518
 519 ;;; Function FILL
 520 (sequence-bounding-indices-test
 521  (format t "~&/Function FILL")
 522  (assert (string= (fill string #\b :start 0 :end 5) "bbbbb"))
 523  (assert (string= (fill string #\c :start 0 :end nil) "ccccc"))
 524  (assert (raises-error? (fill string #\d :start 0 :end 6)))
 525  (assert (raises-error? (fill string #\d :start (opaque-identity -1) :end 5)))
 526  (assert (raises-error? (fill string #\d :start 4 :end 2)))
 527  (assert (raises-error? (fill string #\d :start 6 :end 9))))
 528
 529 ;;; Function FIND, FIND-IF, FIND-IF-NOT
 530 (sequence-bounding-indices-test
 531  (format t "~&/Function FIND, FIND-IF, FIND-IF-NOT")
 532  (assert (char= (find #\a string :start 0 :end nil) #\a))
 533  (assert (char= (find #\a string :start 0 :end 5) #\a))
 534  (assert (raises-error? (find #\a string :start 0 :end 6)))
 535  (assert (raises-error? (find #\a string :start (opaque-identity -1) :end 5)))
 536  (assert (raises-error? (find #\a string :start 4 :end 2)))
 537  (assert (raises-error? (find #\a string :start 6 :end 9)))
 538  (assert (char= (find-if #'alpha-char-p string :start 0 :end nil) #\a))
 539  (assert (char= (find-if #'alpha-char-p string :start 0 :end 5) #\a))
 540  (assert (raises-error?
 541           (find-if #'alpha-char-p string :start 0 :end 6)))
 542  (assert (raises-error?
 543           (find-if #'alpha-char-p string :start (opaque-identity -1) :end 5)))
 544  (assert (raises-error?
 545           (find-if #'alpha-char-p string :start 4 :end 2)))
 546  (assert (raises-error?
 547           (find-if #'alpha-char-p string :start 6 :end 9)))
 548  (assert (eq (find-if-not #'alpha-char-p string :start 0 :end nil) nil))
 549  (assert (eq (find-if-not #'alpha-char-p string :start 0 :end 5) nil))
 550  (assert (raises-error?
 551           (find-if-not #'alpha-char-p string :start 0 :end 6)))
 552  (assert (raises-error?
 553           (find-if-not #'alpha-char-p string :start (opaque-identity -1) :end 5)))
 554  (assert (raises-error?
 555           (find-if-not #'alpha-char-p string :start 4 :end 2)))
 556  (assert (raises-error?
 557           (find-if-not #'alpha-char-p string :start 6 :end 9))))
 558
 559 ;;; Function MISMATCH
 560 (sequence-bounding-indices-test
 561  (format t "~&/Function MISMATCH")
 562  (assert (null (mismatch string "aaaaa" :start1 0 :end1 nil)))
 563  (assert (= (mismatch "aaab" string :start2 0 :end2 4) 3))
 564  (assert (raises-error? (mismatch "aaaaaa" string :start2 0 :end2 6)))
 565  (assert (raises-error? (mismatch string "aaaaaa" :start1 (opaque-identity -1) :end1 5)))
 566  (assert (raises-error? (mismatch string "" :start1 4 :end1 2)))
 567  (assert (raises-error? (mismatch "aaaa" string :start2 6 :end2 9))))
 568
 569 ;;; Function PARSE-INTEGER
 570 (sequence-bounding-indices-test
 571  (format t "~&/Function PARSE-INTEGER")
 572  (setf (fill-pointer string) 10)
 573  (setf (subseq string 0 10) "1234567890")
 574  (setf (fill-pointer string) 5)
 575  (assert (= (parse-integer string :start 0 :end 5) 12345))
 576  (assert (= (parse-integer string :start 0 :end nil) 12345))
 577  (assert (raises-error? (parse-integer string :start 0 :end 6)))
 578  (assert (raises-error? (parse-integer string :start (opaque-identity -1) :end 5)))
 579  (assert (raises-error? (parse-integer string :start 4 :end 2)))
 580  (assert (raises-error? (parse-integer string :start 6 :end 9))))
 581
 582 ;;; Function PARSE-NAMESTRING
 583 (sequence-bounding-indices-test
 584  (format t "~&/Function PARSE-NAMESTRING")
 585  (setf (fill-pointer string) 10)
 586  (setf (subseq string 0 10)
 587        #-win32 "/dev/ /tmp"
 588        #+win32 "C:/   NUL")
 589  (setf (fill-pointer string) 5)
 590  (assert (truename (parse-namestring string nil *default-pathname-defaults*
 591                                      :start 0 :end 5)))
 592  (assert (truename (parse-namestring string nil *default-pathname-defaults*
 593                                      :start 0 :end nil)))
 594  (assert (raises-error? (parse-namestring string nil
 595                                           *default-pathname-defaults*
 596                                           :start 0 :end 6)))
 597  (assert (raises-error? (parse-namestring string nil
 598                                           *default-pathname-defaults*
 599                                           :start (opaque-identity -1) :end 5)))
 600  (assert (raises-error? (parse-namestring string nil
 601                                           *default-pathname-defaults*
 602                                           :start 4 :end 2)))
 603  (assert (raises-error? (parse-namestring string nil
 604                                           *default-pathname-defaults*
 605                                           :start 6 :end 9))))
 606
 607 ;;; Function POSITION, POSITION-IF, POSITION-IF-NOT
 608 (sequence-bounding-indices-test
 609  (format t "~&/Function POSITION, POSITION-IF, POSITION-IF-NOT")
 610
 611  (assert (= (position #\a string :start 0 :end nil) 0))
 612  (assert (= (position #\a string :start 0 :end 5) 0))
 613  (assert (raises-error? (position #\a string :start 0 :end 6)))
 614  (assert (raises-error? (position #\a string :start (opaque-identity -1) :end 5)))
 615  (assert (raises-error? (position #\a string :start 4 :end 2)))
 616  (assert (raises-error? (position #\a string :start 6 :end 9)))
 617  (assert (= (position-if #'alpha-char-p string :start 0 :end nil) 0))
 618  (assert (= (position-if #'alpha-char-p string :start 0 :end 5) 0))
 619  (assert (raises-error?
 620           (position-if #'alpha-char-p string :start 0 :end 6)))
 621  (assert (raises-error?
 622           (position-if #'alpha-char-p string :start (opaque-identity -1) :end 5)))
 623  (assert (raises-error?
 624           (position-if #'alpha-char-p string :start 4 :end 2)))
 625  (assert (raises-error?
 626           (position-if #'alpha-char-p string :start 6 :end 9)))
 627  (assert (eq (position-if-not #'alpha-char-p string :start 0 :end nil) nil))
 628  (assert (eq (position-if-not #'alpha-char-p string :start 0 :end 5) nil))
 629  (assert (raises-error?
 630           (position-if-not #'alpha-char-p string :start 0 :end 6)))
 631  (assert (raises-error?
 632           (position-if-not #'alpha-char-p string :start (opaque-identity -1) :end 5)))
 633  (assert (raises-error?
 634           (position-if-not #'alpha-char-p string :start 4 :end 2)))
 635  (assert (raises-error?
 636           (position-if-not #'alpha-char-p string :start 6 :end 9))))
 637
 638 ;;; Function READ-FROM-STRING
 639 (sequence-bounding-indices-test
 640  (format t "~&/Function READ-FROM-STRING")
 641  (setf (subseq string 0 5) "(a b)")
 642  (assert (equal (read-from-string string nil nil :start 0 :end 5) '(a b)))
 643  (assert (equal (read-from-string string nil nil :start 0 :end nil) '(a b)))
 644  (assert (raises-error? (read-from-string string nil nil :start 0 :end 6)))
 645  (assert (raises-error? (read-from-string string nil nil :start (opaque-identity -1) :end 5)))
 646  (assert (raises-error? (read-from-string string nil nil :start 4 :end 2)))
 647  (assert (raises-error? (read-from-string string nil nil :start 6 :end 9))))
 648
 649 ;;; Function REDUCE
 650 (sequence-bounding-indices-test
 651  (format t "~&/Function REDUCE")
 652  (setf (subseq string 0 5) "abcde")
 653  (assert (equal (reduce #'list* string :from-end t :start 0 :end nil)
 654                 '(#\a #\b #\c #\d . #\e)))
 655  (assert (equal (reduce #'list* string :from-end t :start 0 :end 5)
 656                 '(#\a #\b #\c #\d . #\e)))
 657  (assert (raises-error? (reduce #'list* string :start 0 :end 6)))
 658  (assert (raises-error? (reduce #'list* string :start (opaque-identity -1) :end 5)))
 659  (assert (raises-error? (reduce #'list* string :start 4 :end 2)))
 660  (assert (raises-error? (reduce #'list* string :start 6 :end 9))))
 661
 662 ;;; Function REMOVE, REMOVE-IF, REMOVE-IF-NOT, DELETE, DELETE-IF,
 663 ;;; DELETE-IF-NOT
 664 (sequence-bounding-indices-test
 665  (format t "~&/Function REMOVE, REMOVE-IF, REMOVE-IF-NOT, ...")
 666  (assert (equal (remove #\a string :start 0 :end nil) ""))
 667  (assert (equal (remove #\a string :start 0 :end 5) ""))
 668  (assert (raises-error? (remove #\a string :start 0 :end 6)))
 669  (assert (raises-error? (remove #\a string :start (opaque-identity -1) :end 5)))
 670  (assert (raises-error? (remove #\a string :start 4 :end 2)))
 671  (assert (raises-error? (remove #\a string :start 6 :end 9)))
 672  (assert (equal (remove-if #'alpha-char-p string :start 0 :end nil) ""))
 673  (assert (equal (remove-if #'alpha-char-p string :start 0 :end 5) ""))
 674  (assert (raises-error?
 675           (remove-if #'alpha-char-p string :start 0 :end 6)))
 676  (assert (raises-error?
 677           (remove-if #'alpha-char-p string :start (opaque-identity -1) :end 5)))
 678  (assert (raises-error?
 679           (remove-if #'alpha-char-p string :start 4 :end 2)))
 680  (assert (raises-error?
 681           (remove-if #'alpha-char-p string :start 6 :end 9)))
 682  (assert (equal (remove-if-not #'alpha-char-p string :start 0 :end nil)
 683                 "aaaaa"))
 684  (assert (equal (remove-if-not #'alpha-char-p string :start 0 :end 5)
 685                 "aaaaa"))
 686  (assert (raises-error?
 687           (remove-if-not #'alpha-char-p string :start 0 :end 6)))
 688  (assert (raises-error?
 689           (remove-if-not #'alpha-char-p string :start (opaque-identity -1) :end 5)))
 690  (assert (raises-error?
 691           (remove-if-not #'alpha-char-p string :start 4 :end 2)))
 692  (assert (raises-error?
 693           (remove-if-not #'alpha-char-p string :start 6 :end 9))))
 694 (sequence-bounding-indices-test
 695  (format t "~&/... DELETE, DELETE-IF, DELETE-IF-NOT")
 696  (assert (equal (delete #\a string :start 0 :end nil) ""))
 697  (reset)
 698  (assert (equal (delete #\a string :start 0 :end 5) ""))
 699  (reset)
 700  (assert (raises-error? (delete #\a string :start 0 :end 6)))
 701  (reset)
 702  (assert (raises-error? (delete #\a string :start (opaque-identity -1) :end 5)))
 703  (reset)
 704  (assert (raises-error? (delete #\a string :start 4 :end 2)))
 705  (reset)
 706  (assert (raises-error? (delete #\a string :start 6 :end 9)))
 707  (reset)
 708  (assert (equal (delete-if #'alpha-char-p string :start 0 :end nil) ""))
 709  (reset)
 710  (assert (equal (delete-if #'alpha-char-p string :start 0 :end 5) ""))
 711  (reset)
 712  (assert (raises-error?
 713           (delete-if #'alpha-char-p string :start 0 :end 6)))
 714  (reset)
 715  (assert (raises-error?
 716           (delete-if #'alpha-char-p string :start (opaque-identity -1) :end 5)))
 717  (reset)
 718  (assert (raises-error?
 719           (delete-if #'alpha-char-p string :start 4 :end 2)))
 720  (reset)
 721  (assert (raises-error?
 722           (delete-if #'alpha-char-p string :start 6 :end 9)))
 723  (reset)
 724  (assert (equal (delete-if-not #'alpha-char-p string :start 0 :end nil)
 725                 "aaaaa"))
 726  (reset)
 727  (assert (equal (delete-if-not #'alpha-char-p string :start 0 :end 5)
 728                 "aaaaa"))
 729  (reset)
 730  (assert (raises-error?
 731           (delete-if-not #'alpha-char-p string :start 0 :end 6)))
 732  (reset)
 733  (assert (raises-error?
 734           (delete-if-not #'alpha-char-p string :start (opaque-identity -1) :end 5)))
 735  (reset)
 736  (assert (raises-error?
 737           (delete-if-not #'alpha-char-p string :start 4 :end 2)))
 738  (reset)
 739  (assert (raises-error?
 740           (delete-if-not #'alpha-char-p string :start 6 :end 9))))
 741
 742 ;;; Function REMOVE-DUPLICATES, DELETE-DUPLICATES
 743 (sequence-bounding-indices-test
 744  (format t "~&/Function REMOVE-DUPLICATES, DELETE-DUPLICATES")
 745  (assert (string= (remove-duplicates string :start 0 :end 5) "a"))
 746  (assert (string= (remove-duplicates string :start 0 :end nil) "a"))
 747  (assert (raises-error? (remove-duplicates string :start 0 :end 6)))
 748  (assert (raises-error? (remove-duplicates string :start (opaque-identity -1) :end 5)))
 749  (assert (raises-error? (remove-duplicates string :start 4 :end 2)))
 750  (assert (raises-error? (remove-duplicates string :start 6 :end 9)))
 751  (assert (string= (delete-duplicates string :start 0 :end 5) "a"))
 752  (reset)
 753  (assert (string= (delete-duplicates string :start 0 :end nil) "a"))
 754  (reset)
 755  (assert (raises-error? (delete-duplicates string :start 0 :end 6)))
 756  (reset)
 757  (assert (raises-error? (delete-duplicates string :start (opaque-identity -1) :end 5)))
 758  (reset)
 759  (assert (raises-error? (delete-duplicates string :start 4 :end 2)))
 760  (reset)
 761  (assert (raises-error? (delete-duplicates string :start 6 :end 9))))
 762
 763 ;;; Function REPLACE
 764 (sequence-bounding-indices-test
 765  (format t "~&/Function REPLACE")
 766  (assert (string= (replace string "bbbbb" :start1 0 :end1 5) "bbbbb"))
 767  (assert (string= (replace (copy-seq "ccccc")
 768                            string
 769                            :start2 0 :end2 nil) "bbbbb"))
 770  (assert (raises-error? (replace string "ccccc" :start1 0 :end1 6)))
 771  (assert (raises-error? (replace string "ccccc" :start2 (opaque-identity -1) :end2 5)))
 772  (assert (raises-error? (replace string "ccccc" :start1 4 :end1 2)))
 773  (assert (raises-error? (replace string "ccccc" :start1 6 :end1 9))))
 774
 775 ;;; Function SEARCH
 776 (sequence-bounding-indices-test
 777  (format t "~&/Function SEARCH")
 778  (assert (= (search "aa" string :start2 0 :end2 5) 0))
 779  (assert (null (search string "aa" :start1 0 :end2 nil)))
 780  (assert (raises-error? (search "aa" string :start2 0 :end2 6)))
 781  (assert (raises-error? (search "aa" string :start2 (opaque-identity -1) :end2 5)))
 782  (assert (raises-error? (search "aa" string :start2 4 :end2 2)))
 783  (assert (raises-error? (search "aa" string :start2 6 :end2 9))))
 784
 785 ;;; Function STRING-UPCASE, STRING-DOWNCASE, STRING-CAPITALIZE,
 786 ;;; NSTRING-UPCASE, NSTRING-DOWNCASE, NSTRING-CAPITALIZE
 787 (defmacro string-case-frob (fn)
 788   `(progn
 789     (assert (raises-error? (,fn string :start 0 :end 6)))
 790     (assert (raises-error? (,fn string :start (opaque-identity -1) :end 5)))
 791     (assert (raises-error? (,fn string :start 4 :end 2)))
 792     (assert (raises-error? (,fn string :start 6 :end 9)))))
 793
 794 (sequence-bounding-indices-test
 795  (format t "~&/Function STRING-UPCASE, STRING-DOWNCASE, STRING-CAPITALIZE, ...")
 796  (string-case-frob string-upcase)
 797  (string-case-frob string-downcase)
 798  (string-case-frob string-capitalize)
 799  (format t "~&/... NSTRING-UPCASE, NSTRING-DOWNCASE, NSTRING-CAPITALIZE")
 800  (string-case-frob nstring-upcase)
 801  (string-case-frob nstring-downcase)
 802  (string-case-frob nstring-capitalize))
 803
 804 ;;; Function STRING=, STRING/=, STRING<, STRING>, STRING<=, STRING>=,
 805 ;;; STRING-EQUAL, STRING-NOT-EQUAL, STRING-LESSP, STRING-GREATERP,
 806 ;;; STRING-NOT-GREATERP, STRING-NOT-LESSP
 807 (defmacro string-predicate-frob (fn)
 808   `(progn
 809     (,fn string "abcde" :start1 0 :end1 5)
 810     (,fn "fghij" string :start2 0 :end2 nil)
 811     (assert (raises-error? (,fn string "klmno"
 812                                 :start1 0 :end1 6)))
 813     (assert (raises-error? (,fn "pqrst" string
 814                                 :start2 (opaque-identity -1) :end2 5)))
 815     (assert (raises-error? (,fn "uvwxy" string
 816                                 :start1 4 :end1 2)))
 817     (assert (raises-error? (,fn string "z" :start2 6 :end2 9)))))
 818 (sequence-bounding-indices-test
 819  (format t "~&/Function STRING=, STRING/=, STRING<, STRING>, STRING<=, STRING>=, ...")
 820  (string-predicate-frob string=)
 821  (string-predicate-frob string/=)
 822  (string-predicate-frob string<)
 823  (string-predicate-frob string>)
 824  (string-predicate-frob string<=)
 825  (string-predicate-frob string>=))
 826 (sequence-bounding-indices-test
 827  (format t "~&/... STRING-EQUAL, STRING-NOT-EQUAL, STRING-LESSP, ...")
 828  (string-predicate-frob string-equal)
 829  (string-predicate-frob string-not-equal)
 830  (string-predicate-frob string-lessp))
 831 (sequence-bounding-indices-test
 832  (format t "~&/... STRING-GREATERP, STRING-NOT-GREATERP, STRING-NOT-LESSP")
 833  (string-predicate-frob string-greaterp)
 834  (string-predicate-frob string-not-greaterp)
 835  (string-predicate-frob string-not-lessp))
 836
 837 ;;; Function SUBSTITUTE, SUBSTITUTE-IF, SUBSTITUTE-IF-NOT,
 838 ;;; NSUBSTITUTE, NSUBSTITUTE-IF, NSUBSTITUTE-IF-NOT
 839 (sequence-bounding-indices-test
 840  (format t "~&/Function SUBSTITUTE, SUBSTITUTE-IF, SUBSTITUTE-IF-NOT, ...")
 841  (assert (string= (substitute #\b #\a string :start 0 :end 5) "bbbbb"))
 842  (assert (string= (substitute #\c #\a string :start 0 :end nil)
 843                   "ccccc"))
 844  (assert (raises-error? (substitute #\b #\a string :start 0 :end 6)))
 845  (assert (raises-error? (substitute #\b #\a string :start (opaque-identity -1) :end 5)))
 846  (assert (raises-error? (substitute #\b #\a string :start 4 :end 2)))
 847  (assert (raises-error? (substitute #\b #\a string :start 6 :end 9)))
 848  (assert (string= (substitute-if #\b #'alpha-char-p string
 849                                  :start 0 :end 5)
 850                   "bbbbb"))
 851  (assert (string= (substitute-if #\c #'alpha-char-p string
 852                                  :start 0 :end nil)
 853                   "ccccc"))
 854  (assert (raises-error? (substitute-if #\b #'alpha-char-p string
 855                                        :start 0 :end 6)))
 856  (assert (raises-error? (substitute-if #\b #'alpha-char-p string
 857                                        :start (opaque-identity -1) :end 5)))
 858  (assert (raises-error? (substitute-if #\b #'alpha-char-p string
 859                                        :start 4 :end 2)))
 860  (assert (raises-error? (substitute-if #\b #'alpha-char-p string
 861                                        :start 6 :end 9)))
 862  (assert (string= (substitute-if-not #\b #'alpha-char-p string
 863                                      :start 0 :end 5)
 864                   "aaaaa"))
 865  (assert (string= (substitute-if-not #\c #'alpha-char-p string
 866                                      :start 0 :end nil)
 867                   "aaaaa"))
 868  (assert (raises-error? (substitute-if-not #\b #'alpha-char-p string
 869                                            :start 0 :end 6)))
 870  (assert (raises-error? (substitute-if-not #\b #'alpha-char-p string
 871                                            :start (opaque-identity -1) :end 5)))
 872  (assert (raises-error? (substitute-if-not #\b #'alpha-char-p string
 873                                            :start 4 :end 2)))
 874  (assert (raises-error? (substitute-if-not #\b #'alpha-char-p string
 875                                            :start 6 :end 9))))
 876 (sequence-bounding-indices-test
 877  (format t "~&/... NSUBSTITUTE, NSUBSTITUTE-IF, NSUBSTITUTE-IF-NOT")
 878  (assert (string= (nsubstitute #\b #\a string :start 0 :end 5) "bbbbb"))
 879  (reset)
 880  (assert (string= (nsubstitute #\c #\a string :start 0 :end nil)
 881                   "ccccc"))
 882  (reset)
 883  (assert (raises-error? (nsubstitute #\b #\a string :start 0 :end 6)))
 884  (reset)
 885  (assert (raises-error? (nsubstitute #\b #\a string :start (opaque-identity -1) :end 5)))
 886  (reset)
 887  (assert (raises-error? (nsubstitute #\b #\a string :start 4 :end 2)))
 888  (reset)
 889  (assert (raises-error? (nsubstitute #\b #\a string :start 6 :end 9)))
 890  (reset)
 891  (assert (string= (nsubstitute-if #\b #'alpha-char-p string
 892                                   :start 0 :end 5)
 893                   "bbbbb"))
 894  (reset)
 895  (assert (string= (nsubstitute-if #\c #'alpha-char-p string
 896                                   :start 0 :end nil)
 897                   "ccccc"))
 898  (reset)
 899  (assert (raises-error? (nsubstitute-if #\b #'alpha-char-p string
 900                                         :start 0 :end 6)))
 901  (reset)
 902  (assert (raises-error? (nsubstitute-if #\b #'alpha-char-p string
 903                                         :start (opaque-identity -1) :end 5)))
 904  (reset)
 905  (assert (raises-error? (nsubstitute-if #\b #'alpha-char-p string
 906                                         :start 4 :end 2)))
 907  (reset)
 908  (assert (raises-error? (nsubstitute-if #\b #'alpha-char-p string
 909                                         :start 6 :end 9)))
 910  (reset)
 911  (assert (string= (nsubstitute-if-not #\b #'alpha-char-p string
 912                                       :start 0 :end 5)
 913                   "aaaaa"))
 914  (reset)
 915  (assert (string= (nsubstitute-if-not #\c #'alpha-char-p string
 916                                       :start 0 :end nil)
 917                   "aaaaa"))
 918  (reset)
 919  (assert (raises-error? (nsubstitute-if-not #\b #'alpha-char-p string
 920                                             :start 0 :end 6)))
 921  (reset)
 922  (assert (raises-error? (nsubstitute-if-not #\b #'alpha-char-p string
 923                                             :start (opaque-identity -1) :end 5)))
 924  (reset)
 925  (assert (raises-error? (nsubstitute-if-not #\b #'alpha-char-p string
 926                                             :start 4 :end 2)))
 927  (reset)
 928  (assert (raises-error? (nsubstitute-if-not #\b #'alpha-char-p string
 929                                             :start 6 :end 9))))
 930 ;;; Function WRITE-STRING, WRITE-LINE
 931 (sequence-bounding-indices-test
 932  (format t "~&/Function WRITE-STRING, WRITE-LINE")
 933  (write-string string *standard-output* :start 0 :end 5)
 934  (write-string string *standard-output* :start 0 :end nil)
 935  (assert (raises-error? (write-string string *standard-output*
 936                                       :start 0 :end 6)))
 937  (assert (raises-error? (write-string string *standard-output*
 938                                       :start (opaque-identity -1) :end 5)))
 939  (assert (raises-error? (write-string string *standard-output*
 940                                       :start 4 :end 2)))
 941  (assert (raises-error? (write-string string *standard-output*
 942                                       :start 6 :end 9)))
 943  (write-line string *standard-output* :start 0 :end 5)
 944  (write-line string *standard-output* :start 0 :end nil)
 945  (assert (raises-error? (write-line string *standard-output*
 946                                       :start 0 :end 6)))
 947  (assert (raises-error? (write-line string *standard-output*
 948                                       :start (opaque-identity -1) :end 5)))
 949  (assert (raises-error? (write-line string *standard-output*
 950                                       :start 4 :end 2)))
 951  (assert (raises-error? (write-line string *standard-output*
 952                                       :start 6 :end 9))))
 953
 954 ;;; Macro WITH-INPUT-FROM-STRING
 955 (sequence-bounding-indices-test
 956  (format t "~&/Macro WITH-INPUT-FROM-STRING")
 957  (with-input-from-string (s string :start 0 :end 5)
 958    (assert (char= (read-char s) #\a)))
 959  (with-input-from-string (s string :start 0 :end nil)
 960    (assert (char= (read-char s) #\a)))
 961  (assert (raises-error?
 962           (with-input-from-string (s string :start 0 :end 6)
 963             (read-char s))))
 964  (assert (raises-error?
 965           (with-input-from-string (s string :start (opaque-identity -1) :end 5)
 966             (read-char s))))
 967  (assert (raises-error?
 968           (with-input-from-string (s string :start 4 :end 2)
 969             (read-char s))))
 970  (assert (raises-error?
 971           (with-input-from-string (s string :start 6 :end 9)
 972             (read-char s)))))
 973 \f
 974 ;;; testing bit-bashing according to _The Practice of Programming_
 975 (defun fill-bytes-for-testing (bitsize)
 976   "Return a list of 'bytes' of type (MOD BITSIZE)."
 977   (remove-duplicates (list 0
 978                            (1- (ash 1 (1- bitsize)))
 979                            (ash 1 (1- bitsize))
 980                            (1- (ash 1 bitsize)))))
 981
 982 (defun fill-with-known-value (value size &rest vectors)
 983   (dolist (vec vectors)
 984     (dotimes (i size)
 985       (setf (aref vec i) value))))
 986
 987 (defun collect-fill-amounts (n-power)
 988   (remove-duplicates
 989    (loop for i from 0 upto n-power
 990          collect (1- (expt 2 i))
 991          collect (expt 2 i)
 992          collect (1+ (expt 2 i)))))
 993
 994 (defun test-fill-bashing (bitsize padding-amount n-power)
 995   (let* ((size (+ (* padding-amount 2) (expt 2 n-power) (* padding-amount 2)))
 996          (standard (make-array size :element-type `(unsigned-byte ,bitsize)))
 997          (bashed (make-array size :element-type `(unsigned-byte ,bitsize)))
 998          (fill-amounts (collect-fill-amounts n-power))
 999          (bash-function (intern (format nil "UB~A-BASH-FILL" bitsize)
1000                                 (find-package "SB-KERNEL"))))
1001     (format t "~&/Function ~A..." bash-function)
1002     (loop for offset from padding-amount below (* 2 padding-amount) do
1003           (dolist (c (fill-bytes-for-testing bitsize))
1004             (dolist (n fill-amounts)
1005               (fill-with-known-value (mod (lognot c) (ash 1 bitsize)) n
1006                                      standard bashed)
1007               ;; fill vectors
1008               ;; a) the standard slow way
1009               (locally (declare (notinline fill))
1010                 (fill standard c :start offset :end (+ offset n)))
1011               ;; b) the blazingly fast way
1012               (let ((value (loop for i from 0 by bitsize
1013                                  until (= i sb-vm:n-word-bits)
1014                                  sum (ash c i))))
1015                 (funcall bash-function value bashed offset n))
1016               ;; check for errors
1017               (when (mismatch standard bashed)
1018                 (format t "Test with offset ~A, fill ~A and length ~A failed.~%"
1019                         offset c n)
1020                 (format t "Mismatch: ~A ~A~%"
1021                         (subseq standard 0 (+ offset n 1))
1022                         (subseq bashed 0 (+ offset n 1)))
1023                 (return-from test-fill-bashing nil))))
1024           finally (return t))))
1025
1026 (defun test-copy-bashing (bitsize padding-amount n-power)
1027   (let* ((size (+ (* padding-amount 2) (expt 2 n-power) (* padding-amount 2)))
1028          (standard-dst (make-array size :element-type `(unsigned-byte ,bitsize)))
1029          (bashed-dst (make-array size :element-type `(unsigned-byte ,bitsize)))
1030          (source (make-array size :element-type `(unsigned-byte ,bitsize)))
1031          (fill-amounts (collect-fill-amounts n-power))
1032          (bash-function (intern (format nil "UB~A-BASH-COPY" bitsize)
1033                                 (find-package "SB-KERNEL"))))
1034     (format t "~&/Function ~A..." bash-function)
1035     (do ((source-offset padding-amount (1+ source-offset)))
1036         ((>= source-offset (* padding-amount 2))
1037          ;; success!
1038          t)
1039      (do ((target-offset padding-amount (1+ target-offset)))
1040          ((>= target-offset (* padding-amount 2)))
1041        (dolist (c (fill-bytes-for-testing bitsize))
1042          (dolist (n fill-amounts)
1043            (fill-with-known-value (mod (lognot c) (ash 1 bitsize)) size
1044                                   source standard-dst bashed-dst)
1045            ;; fill with test data
1046            (fill source c :start source-offset :end (+ source-offset n))
1047            ;; copy filled test data to test vectors
1048            ;; a) the slow way
1049            (replace standard-dst source
1050                     :start1 target-offset :end1 (+ target-offset n)
1051                     :start2 source-offset :end2 (+ source-offset n))
1052            ;; b) the blazingly fast way
1053            (funcall bash-function source source-offset
1054                     bashed-dst target-offset n)
1055            ;; check for errors
1056            (when (mismatch standard-dst bashed-dst)
1057              (format t "Test with target-offset ~A, source-offset ~A, fill ~A, and length ~A failed.~%"
1058                      target-offset source-offset c n)
1059              (format t "Mismatch:~% correct ~A~% actual  ~A~%"
1060                      standard-dst
1061                      bashed-dst)
1062              (return-from test-copy-bashing nil))))))))
1063
1064 ;; Too slow for the interpreter
1065 #+#.(cl:if (cl:eq sb-ext:*evaluator-mode* :compile) '(and) '(or))
1066 (loop for i = 1 then (* i 2) do
1067      ;; the bare '13' here is fairly arbitrary, except that it's been
1068      ;; reduced from '32', which made the tests take aeons; '8' provides
1069      ;; a good range of lengths over which to fill and copy, which
1070      ;; should tease out most errors in the code (if any exist).  (It
1071      ;; also makes this part of the test suite finish reasonably
1072      ;; quickly.)
1073      (assert (time (test-fill-bashing i 13 8)))
1074      (assert (time (test-copy-bashing i 13 8)))
1075      until (= i sb-vm:n-word-bits))
1076
1077 (defun test-inlined-bashing (bitsize)
1078   ;; We have to compile things separately for each bitsize so the
1079   ;; compiler will work out the array type and trigger the REPLACE
1080   ;; transform.
1081   (let ((lambda-form
1082          `(lambda ()
1083             (let* ((n-elements-per-word ,(truncate sb-vm:n-word-bits bitsize))
1084                    (size (* 3 n-elements-per-word))
1085                    (standard-dst (make-array size :element-type '(unsigned-byte ,bitsize)))
1086                    (bashed-dst (make-array size :element-type '(unsigned-byte ,bitsize)))
1087                    (source (make-array size :element-type '(unsigned-byte ,bitsize))))
1088               (declare (type (simple-array (unsigned-byte ,bitsize) (*))
1089                              source standard-dst bashed-dst))
1090               (do ((i 0 (1+ i))
1091                    (offset n-elements-per-word (1+ offset)))
1092                   ((>= offset (* 2 n-elements-per-word)) t)
1093                 (dolist (c (fill-bytes-for-testing ,bitsize))
1094                   (fill-with-known-value (mod (lognot c) (ash 1 ,bitsize)) size
1095                                          source standard-dst bashed-dst)
1096                   ;; fill with test-data
1097                   (fill source c :start offset :end (+ offset n-elements-per-word))
1098                   ;; copy filled data to test vectors
1099                   ;;
1100                   ;; a) the slow way (which is actually fast, since this
1101                   ;; should be transformed into UB*-BASH-COPY)
1102                   (replace standard-dst source
1103                            :start1 (- offset n-elements-per-word i)
1104                            :start2 (- offset n-elements-per-word i)
1105                            :end1 offset :end2 offset)
1106                   ;; b) the fast way--we fold the
1107                   ;; :START{1,2} arguments above ourselves
1108                   ;; to trigger the REPLACE transform
1109                   (replace bashed-dst source
1110                            :start1 0 :start2 0 :end1 offset :end2 offset)
1111                   ;; check for errors
1112                   (when (or (mismatch standard-dst bashed-dst)
1113                             ;; trigger COPY-SEQ transform
1114                             (mismatch (copy-seq standard-dst) bashed-dst)
1115                             ;; trigger SUBSEQ transform
1116                             (mismatch (subseq standard-dst (- offset n-elements-per-word i))
1117                                       bashed-dst))
1118                     (format t "Test with target-offset ~A, source-offset ~A, fill ~A, and length ~A failed.~%"
1119                             0 0 c offset)
1120                     (format t "Mismatch:~% correct ~A~% actual  ~A~%"
1121                             standard-dst
1122                             bashed-dst)
1123                     (return-from nil nil))))))))
1124     (funcall (compile nil lambda-form))))
1125
1126 #+#.(cl:if (cl:eq sb-ext:*evaluator-mode* :compile) '(and) '(or))
1127 (loop for i = 1 then (* i 2) do
1128       (assert (test-inlined-bashing i))
1129       until (= i sb-vm:n-word-bits))
1130 \f
1131 ;;; tests from the Sacla test suite via Eric Marsden, 2007-05-07
1132 (remove-duplicates (vector 1 2 2 1) :test-not (lambda (a b) (not (= a b))))
1133
1134 (delete-duplicates (vector #\a #\b #\c #\a)
1135                    :test-not (lambda (a b) (not (char-equal a b))))
1136
1137 ;;; FILL on lists
1138 (let ((l (list 1 2 3)))
1139   (assert (eq l (fill l 0 :start 1 :end 2)))
1140   (assert (equal l '(1 0 3)))
1141   (assert (eq l (fill l 'x :start 2 :end 3)))
1142   (assert (equal l '(1 0 x)))
1143   (assert (eq l (fill l 'y :start 1)))
1144   (assert (equal l '(1 y y)))
1145   (assert (eq l (fill l 'z :end 2)))
1146   (assert (equal l '(z z y)))
1147   (assert (eq l (fill l 1)))
1148   (assert (equal l '(1 1 1)))
1149   (assert (raises-error? (fill l 0 :start 4)))
1150   (assert (raises-error? (fill l 0 :end 4)))
1151   (assert (raises-error? (fill l 0 :start 2 :end 1))))
1152
1153 ;;; Both :TEST and :TEST-NOT provided
1154 (with-test (:name :test-and-test-not-to-adjoin)
1155   (let* ((wc 0)
1156          (fun
1157           (handler-bind (((and warning (not style-warning))
1158                           (lambda (w) (incf wc))))
1159             (compile nil `(lambda (item test test-not) (adjoin item '(1 2 3 :foo)
1160                                                                :test test
1161                                                                :test-not test-not))))))
1162     (assert (= 1 wc))
1163     (assert (eq :error
1164                 (handler-case
1165                     (funcall fun 1 #'eql (complement #'eql))
1166                   (error ()
1167                     :error))))))
1168 \f
1169 ;;; tests of deftype types equivalent to STRING or SIMPLE-STRING
1170 (deftype %string () 'string)
1171 (deftype %simple-string () 'simple-string)
1172 (deftype string-3 () '(string 3))
1173 (deftype simple-string-3 () '(simple-string 3))
1174
1175 (with-test (:name :user-defined-string-types-map-etc)
1176   (dolist (type '(%string %simple-string string-3 simple-string-3))
1177     (assert (string= "foo" (coerce '(#\f #\o #\o) type)))
1178     (assert (string= "foo" (map type 'identity #(#\f #\o #\o))))
1179     (assert (string= "foo" (merge type '(#\o) '(#\f #\o) 'char<)))
1180     (assert (string= "foo" (concatenate type '(#\f) "oo")))
1181     (assert (string= "ooo" (make-sequence type 3 :initial-element #\o)))))
1182 (with-test (:name :user-defined-string-types-map-etc-error)
1183   (dolist (type '(string-3 simple-string-3))
1184     (assert (raises-error? (coerce '(#\q #\u #\u #\x) type)))
1185     (assert (raises-error? (map type 'identity #(#\q #\u #\u #\x))))
1186     (assert (raises-error? (merge type '(#\q #\x) "uu" 'char<)))
1187     (assert (raises-error? (concatenate type "qu" '(#\u #\x))))
1188     (assert (raises-error? (make-sequence type 4 :initial-element #\u)))))
1189
1190 (defun test-bit-position (size set start end from-end res)
1191   (let ((v (make-array size :element-type 'bit :initial-element 0)))
1192     (dolist (i set)
1193       (setf (bit v i) 1))
1194     (dolist (f (list (compile nil
1195                               `(lambda (b v s e fe)
1196                                  (position b (the bit-vector v) :start s :end e :from-end fe)))
1197                      (compile nil
1198                               `(lambda (b v s e fe)
1199                                  (assert (eql b 1))
1200                                  (position 1 (the bit-vector v) :start s :end e :from-end fe)))
1201                      (compile nil
1202                               `(lambda (b v s e fe)
1203                                  (position b (the vector v) :start s :end e :from-end fe)))))
1204       (let ((got (funcall f 1 v start end from-end)))
1205         (unless (eql res got)
1206           (cerror "Continue" "POSITION 1, Wanted ~S, got ~S.~%  size = ~S, set = ~S, from-end = ~S"
1207                   res got
1208                   size set from-end)))))
1209   (let ((v (make-array size :element-type 'bit :initial-element 1)))
1210     (dolist (i set)
1211       (setf (bit v i) 0))
1212     (dolist (f (list (compile nil
1213                               `(lambda (b v s e fe)
1214                                  (position b (the bit-vector v) :start s :end e :from-end fe)))
1215                      (compile nil
1216                               `(lambda (b v s e fe)
1217                                  (assert (eql b 0))
1218                                  (position 0 (the bit-vector v) :start s :end e :from-end fe)))
1219                      (compile nil
1220                               `(lambda (b v s e fe)
1221                                  (position b (the vector v) :start s :end e :from-end fe)))))
1222       (let ((got (funcall f 0 v start end from-end)))
1223         (unless (eql res got)
1224           (cerror "Continue" "POSITION 0, Wanted ~S, got ~S.~%  size = ~S, set = ~S, from-end = ~S"
1225                   res got
1226                   size set from-end))))))
1227
1228 (defun random-test-bit-position (n)
1229   (loop repeat n
1230         do (let* ((vector (make-array (+ 2 (random 5000)) :element-type 'bit))
1231                   (offset (random (1- (length vector))))
1232                   (size (1+ (random (- (length vector) offset))))
1233                   (disp (make-array size :element-type 'bit :displaced-to vector
1234                                          :displaced-index-offset offset)))
1235              (assert (plusp size))
1236              (loop repeat 10
1237                    do (setf (bit vector (random (length vector))) 1))
1238              (flet ((test (orig)
1239                       (declare (bit-vector orig))
1240                       (let ((copy (coerce orig 'simple-vector))
1241                             (p0 (random (length orig)))
1242                             (p1 (1+ (random (length orig)))))
1243                         (multiple-value-bind (s e)
1244                             (if (> p1 p0)
1245                                 (values p0 p1)
1246                                 (values p1 p0))
1247                           (assert (eql (position 1 copy :start s :end e)
1248                                        (position 1 orig :start s :end e)))
1249                           (assert (eql (position 1 copy :start s :end e :from-end t)
1250                                        (position 1 orig :start s :end e :from-end t)))))))
1251                (test vector)
1252                (test disp)))))
1253
1254 (with-test (:name :bit-position)
1255   (test-bit-position 0 (list) 0 0 nil nil)
1256   (test-bit-position 0 (list) 0 0 t nil)
1257   (test-bit-position 1 (list 0) 0 0 nil nil)
1258   (test-bit-position 1 (list 0) 0 0 t nil)
1259   (test-bit-position 1 (list 0) 0 1 nil 0)
1260   (test-bit-position 1 (list 0) 0 1 t 0)
1261   (test-bit-position 10 (list 0 1) 0 1 nil 0)
1262   (test-bit-position 10 (list 0 1) 1 1 nil nil)
1263   (test-bit-position 10 (list 0 1) 0 1 t 0)
1264   (test-bit-position 10 (list 0 1) 1 1 t nil)
1265   (test-bit-position 10 (list 0 3) 1 4 nil 3)
1266   (test-bit-position 10 (list 0 3) 1 4 t 3)
1267   (test-bit-position 10 (list 0 3 6) 1 10 nil 3)
1268   (test-bit-position 10 (list 0 3 6) 1 10 t 6)
1269   (test-bit-position 1000 (list 128 700) 20 500 nil 128)
1270   (test-bit-position 1000 (list 128 700) 20 500 t 128)
1271   (test-bit-position 1000 (list 423 762) 200 800 nil 423)
1272   (test-bit-position 1000 (list 423 762) 200 800 t 762)
1273   (test-bit-position 1000 (list 298 299) 100 400 nil 298)
1274   (test-bit-position 1000 (list 298 299) 100 400 t 299))
1275
1276 (with-test (:name (:bit-position :random-test))
1277   (random-test-bit-position 10000))
1278
1279 ;;; success