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