(in-package :seq-test)
+(defclass list-backed-sequence (standard-object
+ sequence)
+ ((elements :initarg :elements :type list :accessor %elements)))
+
+(defmethod sequence:make-sequence-like ((sequence list-backed-sequence) length
+ &rest args &key
+ initial-element initial-contents)
+ (declare (ignore initial-element initial-contents))
+ (make-instance 'list-backed-sequence
+ :elements (apply #'sequence:make-sequence-like
+ '() length args)))
+
+(defmethod sequence:length ((sequence list-backed-sequence))
+ (length (%elements sequence)))
+
+(defmethod sequence:elt
+ ((sequence list-backed-sequence) index)
+ (nth index (%elements sequence)))
+
+(defmethod (setf sequence:elt)
+ (new-value (sequence list-backed-sequence) index)
+ (setf (nth index (%elements sequence)) new-value))
+
;;; helper functions for exercising SEQUENCE code on data of many
;;; specialized types, and in many different optimization scenarios
(defun for-every-seq-1 (base-seq snippet)
- (dolist (seq-type '(list
- (simple-array t 1)
- (vector t)
- (simple-array character 1)
- (vector character)
- (simple-array (signed-byte 4) 1)
- (vector (signed-byte 4))))
- (flet ((entirely (eltype)
- (every (lambda (el) (typep el eltype)) base-seq)))
+ (labels
+ ((entirely (eltype)
+ (every (lambda (el) (typep el eltype)) base-seq))
+ (make-sequence-for-type (type)
+ (etypecase type
+ ((member list list-backed-sequence)
+ (coerce base-seq type))
+ ((cons (eql simple-array) (cons * (cons (eql 1) null)))
+ (destructuring-bind (eltype one) (rest type)
+ (when (entirely eltype)
+ (coerce base-seq type))))
+ ((cons (eql vector))
+ (destructuring-bind (eltype) (rest type)
+ (when (entirely eltype)
+ (let ((initial-element
+ (cond ((subtypep eltype 'character)
+ #\!)
+ ((subtypep eltype 'number)
+ 0)
+ (t #'error))))
+ (replace (make-array
+ (+ (length base-seq)
+ (random 3))
+ :element-type eltype
+ :fill-pointer
+ (length base-seq)
+ :initial-element
+ initial-element)
+ base-seq))))))))
+ (dolist (seq-type '(list
+ (simple-array t 1)
+ (vector t)
+ (simple-array character 1)
+ (vector character)
+ (simple-array (signed-byte 4) 1)
+ (vector (signed-byte 4))
+ list-backed-sequence))
(dolist (declaredness '(nil t))
(dolist (optimization '(((speed 3) (space 0))
((speed 2) (space 2))
((speed 1) (space 2))
((speed 0) (space 1))))
- (let* ((seq (if (eq seq-type 'list)
- (coerce base-seq 'list)
- (destructuring-bind (type-first &rest type-rest)
- seq-type
- (ecase type-first
- (simple-array
- (destructuring-bind (eltype one) type-rest
- (assert (= one 1))
- (if (entirely eltype)
- (coerce base-seq seq-type)
- (return))))
- (vector
- (destructuring-bind (eltype) type-rest
- (if (entirely eltype)
- (let ((initial-element
- (cond ((subtypep eltype 'character)
- #\!)
- ((subtypep eltype 'number)
- 0)
- (t #'error))))
- (replace (make-array
- (+ (length base-seq)
- (random 3))
- :element-type eltype
- :fill-pointer
- (length base-seq)
- :initial-element
- initial-element)
- base-seq))
- (return))))))))
- (lambda-expr `(lambda (seq)
- ,@(when declaredness
- `((declare (type ,seq-type seq))))
- (declare (optimize ,@optimization))
- ,snippet)))
+ (let ((seq (make-sequence-for-type seq-type))
+ (lambda-expr `(lambda (seq)
+ ,@(when declaredness
+ `((declare (type ,seq-type seq))))
+ (declare (optimize ,@optimization))
+ ,snippet)))
+ (when (not seq)
+ (return))
(format t "~&~S~%" lambda-expr)
(multiple-value-bind (fun warnings-p failure-p)
(compile nil lambda-expr)
(error ()
:error))))))
\f
+;;; tests of deftype types equivalent to STRING or SIMPLE-STRING
+(deftype %string () 'string)
+(deftype %simple-string () 'simple-string)
+(deftype string-3 () '(string 3))
+(deftype simple-string-3 () '(simple-string 3))
+
+(with-test (:name :user-defined-string-types-map-etc)
+ (dolist (type '(%string %simple-string string-3 simple-string-3))
+ (assert (string= "foo" (coerce '(#\f #\o #\o) type)))
+ (assert (string= "foo" (map type 'identity #(#\f #\o #\o))))
+ (assert (string= "foo" (merge type '(#\o) '(#\f #\o) 'char<)))
+ (assert (string= "foo" (concatenate type '(#\f) "oo")))
+ (assert (string= "ooo" (make-sequence type 3 :initial-element #\o)))))
+(with-test (:name :user-defined-string-types-map-etc-error)
+ (dolist (type '(string-3 simple-string-3))
+ (assert (raises-error? (coerce '(#\q #\u #\u #\x) type)))
+ (assert (raises-error? (map type 'identity #(#\q #\u #\u #\x))))
+ (assert (raises-error? (merge type '(#\q #\x) "uu" 'char<)))
+ (assert (raises-error? (concatenate type "qu" '(#\u #\x))))
+ (assert (raises-error? (make-sequence type 4 :initial-element #\u)))))
+
+(defun test-bit-position (size set start end from-end res)
+ (let ((v (make-array size :element-type 'bit :initial-element 0)))
+ (dolist (i set)
+ (setf (bit v i) 1))
+ (dolist (f (list (compile nil
+ `(lambda (b v s e fe)
+ (position b (the bit-vector v) :start s :end e :from-end fe)))
+ (compile nil
+ `(lambda (b v s e fe)
+ (assert (eql b 1))
+ (position 1 (the bit-vector v) :start s :end e :from-end fe)))
+ (compile nil
+ `(lambda (b v s e fe)
+ (position b (the vector v) :start s :end e :from-end fe)))))
+ (let ((got (funcall f 1 v start end from-end)))
+ (unless (eql res got)
+ (cerror "Continue" "POSITION 1, Wanted ~S, got ~S.~% size = ~S, set = ~S, from-end = ~S"
+ res got
+ size set from-end)))))
+ (let ((v (make-array size :element-type 'bit :initial-element 1)))
+ (dolist (i set)
+ (setf (bit v i) 0))
+ (dolist (f (list (compile nil
+ `(lambda (b v s e fe)
+ (position b (the bit-vector v) :start s :end e :from-end fe)))
+ (compile nil
+ `(lambda (b v s e fe)
+ (assert (eql b 0))
+ (position 0 (the bit-vector v) :start s :end e :from-end fe)))
+ (compile nil
+ `(lambda (b v s e fe)
+ (position b (the vector v) :start s :end e :from-end fe)))))
+ (let ((got (funcall f 0 v start end from-end)))
+ (unless (eql res got)
+ (cerror "Continue" "POSITION 0, Wanted ~S, got ~S.~% size = ~S, set = ~S, from-end = ~S"
+ res got
+ size set from-end))))))
+
+(defun random-test-bit-position (n)
+ (loop repeat n
+ do (let* ((vector (make-array (+ 2 (random 5000)) :element-type 'bit))
+ (offset (random (1- (length vector))))
+ (size (1+ (random (- (length vector) offset))))
+ (disp (make-array size :element-type 'bit :displaced-to vector
+ :displaced-index-offset offset)))
+ (assert (plusp size))
+ (loop repeat 10
+ do (setf (bit vector (random (length vector))) 1))
+ (flet ((test (orig)
+ (declare (bit-vector orig))
+ (let ((copy (coerce orig 'simple-vector))
+ (p0 (random (length orig)))
+ (p1 (1+ (random (length orig)))))
+ (multiple-value-bind (s e)
+ (if (> p1 p0)
+ (values p0 p1)
+ (values p1 p0))
+ (assert (eql (position 1 copy :start s :end e)
+ (position 1 orig :start s :end e)))
+ (assert (eql (position 1 copy :start s :end e :from-end t)
+ (position 1 orig :start s :end e :from-end t)))))))
+ (test vector)
+ (test disp)))))
+
+(with-test (:name :bit-position)
+ (test-bit-position 0 (list) 0 0 nil nil)
+ (test-bit-position 0 (list) 0 0 t nil)
+ (test-bit-position 1 (list 0) 0 0 nil nil)
+ (test-bit-position 1 (list 0) 0 0 t nil)
+ (test-bit-position 1 (list 0) 0 1 nil 0)
+ (test-bit-position 1 (list 0) 0 1 t 0)
+ (test-bit-position 10 (list 0 1) 0 1 nil 0)
+ (test-bit-position 10 (list 0 1) 1 1 nil nil)
+ (test-bit-position 10 (list 0 1) 0 1 t 0)
+ (test-bit-position 10 (list 0 1) 1 1 t nil)
+ (test-bit-position 10 (list 0 3) 1 4 nil 3)
+ (test-bit-position 10 (list 0 3) 1 4 t 3)
+ (test-bit-position 10 (list 0 3 6) 1 10 nil 3)
+ (test-bit-position 10 (list 0 3 6) 1 10 t 6)
+ (test-bit-position 1000 (list 128 700) 20 500 nil 128)
+ (test-bit-position 1000 (list 128 700) 20 500 t 128)
+ (test-bit-position 1000 (list 423 762) 200 800 nil 423)
+ (test-bit-position 1000 (list 423 762) 200 800 t 762)
+ (test-bit-position 1000 (list 298 299) 100 400 nil 298)
+ (test-bit-position 1000 (list 298 299) 100 400 t 299))
+
+(with-test (:name (:bit-position :random-test))
+ (random-test-bit-position 10000))
+
;;; success
projects / sbcl.git / blobdiff