1 ;;;; tests related to sequences
3 ;;;; This software is part of the SBCL system. See the README file for
6 ;;;; While most of SBCL is derived from the CMU CL system, the test
7 ;;;; files (like this one) were written from scratch after the fork
10 ;;;; This software is in the public domain and is provided with
11 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
12 ;;;; more information.
16 ;;; As reported by Paul Dietz from his ansi-test suite for gcl, REMOVE
17 ;;; malfunctioned when given :START, :END and :FROM-END arguments.
18 ;;; Make sure it doesn't happen again.
19 (let* ((orig '(1 2 3 2 6 1 2 4 1 3 2 7))
21 (y (remove 3 x :from-end t :start 1 :end 5))
22 (z (remove 2 x :from-end t :start 1 :end 5)))
23 (assert (equalp orig x))
24 (assert (equalp y '(1 2 2 6 1 2 4 1 3 2 7)))
25 (assert (equalp z '(1 3 6 1 2 4 1 3 2 7))))
27 ;;; Similarly, NSUBSTITUTE and friends were getting things wrong with
28 ;;; :START, :END and :FROM-END:
30 (loop for i from 0 to 9 always
31 (loop for j from i to 10 always
32 (loop for c from 0 to (- j i) always
33 (let* ((orig '(a a a a a a a a a a))
35 (y (nsubstitute 'x 'a x :start i :end j :count c)))
36 (equal y (nconc (make-list i :initial-element 'a)
37 (make-list c :initial-element 'x)
38 (make-list (- 10 (+ i c))
39 :initial-element 'a))))))))
42 (loop for i from 0 to 9 always
43 (loop for j from i to 10 always
44 (loop for c from 0 to (- j i) always
45 (let* ((orig '(a a a a a a a a a a))
47 (y (nsubstitute-if 'x (lambda (x) (eq x 'a)) x
49 :count c :from-end t)))
50 (equal y (nconc (make-list (- j c) :initial-element 'a)
51 (make-list c :initial-element 'x)
53 :initial-element 'a))))))))
55 (loop for i from 0 to 9 always
56 (loop for j from i to 10 always
57 (loop for c from 0 to (- j i) always
58 (let* ((orig '(a a a a a a a a a a))
60 (y (nsubstitute-if-not 'x (lambda (x)
63 :count c :from-end t)))
64 (equal y (nconc (make-list (- j c) :initial-element 'a)
65 (make-list c :initial-element 'x)
67 :initial-element 'a))))))))
69 ;;; And equally similarly, REMOVE-DUPLICATES misbehaved when given
72 (let ((orig (list 0 1 2 0 1 2 0 1 2 0 1 2)))
73 (assert (equalp (remove-duplicates orig :start 3 :end 9) '(0 1 2 0 1 2 0 1 2)))
74 (assert (equalp (delete-duplicates orig :start 3 :end 9) '(0 1 2 0 1 2 0 1 2))))
77 (assert (= 1 (count 1 '(1 2 3))))
78 (assert (= 2 (count 'z #(z 1 2 3 z))))
79 (assert (= 0 (count 'y '(z 1 2 3 z))))
81 ;;; tests of COUNT-IF and COUNT-IF-NOT
82 (macrolet (;; the guts of CCI, abstracted over whether we're testing
83 ;; COUNT-IF or COUNT-IF-NOT
84 (%cci (expected count-if test sequence-as-list &rest keys)
85 `(let* ((list ',sequence-as-list)
86 (simple-vector (coerce list 'simple-vector))
87 (length (length list))
88 (vector (make-array (* 2 length) :fill-pointer length)))
89 (replace vector list :end1 length)
90 (dolist (seq (list list simple-vector vector))
91 (assert (= ,expected (,count-if ,test seq ,@keys))))))
93 (cci (expected test sequence-as-list &rest keys)
95 (format t "~&SEQUENCE-AS-LIST=~S~%" ',sequence-as-list)
106 (cci 1 #'consp (1 (12) 1))
107 (cci 3 #'consp (1 (2) 3 (4) (5) 6))
108 (cci 3 #'consp (1 (2) 3 (4) (5) 6) :from-end t)
109 (cci 2 #'consp (1 (2) 3 (4) (5) 6) :start 2)
110 (cci 0 #'consp (1 (2) 3 (4) (5) 6) :start 2 :end 3)
111 (cci 1 #'consp (1 (2) 3 (4) (5) 6) :start 1 :end 3)
112 (cci 1 #'consp (1 (2) 3 (4) (5) 6) :start 1 :end 2)
113 (cci 0 #'consp (1 (2) 3 (4) (5) 6) :start 2 :end 2)
114 (cci 2 #'zerop (0 10 0 11 12))
115 (cci 1 #'zerop (0 10 0 11 12) :start 1)
116 (cci 2 #'minusp (0 10 0 11 12) :key #'1-)
117 (cci 1 #'minusp (0 10 0 11 12) :key #'1- :end 2))
118 (multiple-value-bind (v e)
119 (ignore-errors (count-if #'zerop '(0 a 0 b c) :start 1))
121 (assert (eql (type-error-datum e) 'a)))
122 (multiple-value-bind (v e)
123 (ignore-errors (count-if #'zerop #(0 a 0 b c) :start 1 :from-end 11))
125 (assert (eql (type-error-datum e) 'c)))
127 ;;; :COUNT may be negative and BIGNUM
128 (assert (equal (remove 1 '(1 2 3 1) :count 1) '(2 3 1)))
129 (assert (equal (remove 1 '(1 2 3 1) :count (* 2 most-positive-fixnum)) '(2 3)))
130 (assert (equal (remove 1 '(1 2 3 1) :count (* -2 most-positive-fixnum)) '(1 2 3 1)))
132 ;;; bug reported by Wolfgang Jenkner on sbcl-devel 2003-01-04:
133 ;;; embedded calls of SORT do not work
134 (assert (equal (sort (list 0 0 0) (lambda (x y) (sort (list 0 0 0) #'<) nil))
136 (assert (equal (sort (list 0 0 0 0 0)
138 (declare (ignore x y))
140 (sort (make-list 11 :initial-element 1)
143 (declare (ignore x y))
144 (when (= (decf counter) 0)
145 (return-from compare nil))
149 ;;; miscellaneous sanity checks on stuff which could've been broken by
150 ;;; changes in MERGE-LIST* in sbcl-0.7.11.*
151 (assert (equal (merge 'list () () '<) ()))
152 (assert (equal (merge 'list () (list 1) #'< :key 'identity) '(1)))
153 (assert (equal (merge 'list (list 2) () '>) '(2)))
154 (assert (equal (merge 'list (list 1 2 4) (list 2 3 7) '<) '(1 2 2 3 4 7)))
155 (assert (equal (merge 'list (list 1 2 4) (list -2 3 7) #'<) '(-2 1 2 3 4 7)))
156 (assert (equal (merge 'list (list 1 2 4) (vector -2 3 7) '< :key 'abs)
158 (assert (equal (merge 'list (list 1 -2 4) (list -2 3 7) '< :key #'abs)
160 (assert (equal (stable-sort (list 1 10 2 12 13 3) '<) '(1 2 3 10 12 13)))
161 (assert (equal (stable-sort (list 1 10 2 12 13 3) #'< :key '-)
163 (assert (equal (stable-sort (list 1 10 2 12 13 3) '> :key #'-)
165 (assert (equal (stable-sort (list 1 2 3 -3 -2 -1) '< :key 'abs)
168 ;;; CSR broke FILL by not returning the sequence argument in a transform.
169 (let* ((s1 (copy-seq "abcde"))
172 (assert (string= s2 "zzzzz")))
174 ;;; POSITION on displaced arrays with non-zero offset has been broken
175 ;;; for quite a while...
176 (let ((fn (compile nil '(lambda (x) (position x)))))
178 (y (make-array 2 :displaced-to x :displaced-index-offset 1)))
179 (assert (= (position 2 y) 0))))
181 ;;; (SIMPLE-STRING) is a legal type specifier for creation functions
182 (let ((a (make-sequence '(simple-string) 5))
183 (b (concatenate '(simple-string) "a" "bdec"))
184 (c (map '(simple-string) 'identity "abcde"))
185 (d (merge '(simple-string) (copy-seq "acd") (copy-seq "be") 'char>))
186 (e (coerce '(#\a #\b #\c #\e #\d) '(simple-string))))
187 (assert (= (length a) 5))
188 (assert (string= b "abdec"))
189 (assert (string= c "abcde"))
190 (assert (string= d "beacd"))
191 (assert (string= e "abced")))
193 ;;; COPY-SEQ "should be prepared to signal an error if sequence is not
194 ;;; a proper sequence".
195 (locally (declare (optimize safety))
196 (multiple-value-bind (seq err) (ignore-errors (copy-seq '(1 2 3 . 4)))
198 (assert (typep err 'type-error))))
200 ;;; UBX-BASH-COPY transform had an inconsistent return type
201 (let ((sb-c::*check-consistency* t))
202 (handler-bind ((warning #'error))
205 (declare (type fixnum l))
207 (b1 (make-array bsize :element-type '(unsigned-byte 8)))
208 (b2 (make-array l :element-type '(unsigned-byte 8))))
209 (replace b1 b2 :start2 0 :end2 l))))))
211 (with-test (:name :bug-452008)
212 ;; FIND & POSITION on lists should check bounds and (in safe code) detect
213 ;; circular and dotted lists.
214 (macrolet ((test (type lambda)
215 `(let ((got (handler-case
216 (funcall (compile nil ',lambda))
219 (list :no-error res)))))
220 (let ((*print-circle* t))
221 (format t "test: ~S~%" ',lambda))
222 (unless (eq :error got)
223 (error "wanted an error, got ~S for~% ~S"
224 (second got) ',lambda)))))
225 (test sb-kernel:bounding-indices-bad-error
227 (find :foo '(1 2 3 :foo) :start 1 :end 5 :from-end t)))
228 (test sb-kernel:bounding-indices-bad-error
230 (position :foo '(1 2 3 :foo) :start 1 :end 5 :from-end t)))
231 (test sb-kernel:bounding-indices-bad-error
233 (find :foo '(1 2 3 :foo) :start 3 :end 0 :from-end t)))
234 (test sb-kernel:bounding-indices-bad-error
236 (position :foo '(1 2 3 :foo) :start 3 :end 0 :from-end t)))
239 (let ((list (list 1 2 3 :foo)))
240 (find :bar (nconc list list)))))
243 (let ((list (list 1 2 3 :foo)))
244 (position :bar (nconc list list)))))))
246 (with-test (:name :bug-554385)
247 ;; FIND-IF shouldn't look through the entire list.
248 (assert (= 2 (find-if #'evenp '(1 2 1 1 1 1 1 1 1 1 1 1 :foo))))
249 ;; Even though the end bounds are incorrect, the
250 ;; element is found before that's an issue.
251 (assert (eq :foo (find :foo '(1 2 3 :foo) :start 1 :end 5)))
252 (assert (= 3 (position :foo '(1 2 3 :foo) :start 1 :end 5))))