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array.pure.lisp
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array.pure.lisp
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;;;; This software is part of the SBCL system. See the README file for
;;;; more information.
;;;;
;;;; While most of SBCL is derived from the CMU CL system, the test
;;;; files (like this one) were written from scratch after the fork
;;;; from CMU CL.
;;;;
;;;; This software is in the public domain and is provided with
;;;; absolutely no warranty. See the COPYING and CREDITS files for
;;;; more information.
(in-package :cl-user)
;;; Array initialization has complicated defaulting for :ELEMENT-TYPE,
;;; and both compile-time and run-time logic takes a whack at it.
(let ((testcases '(;; Bug 126, confusion between high-level default string
;; initial element #\SPACE and low-level default array
;; element #\NULL, is gone.
(#\null (make-array 11 :element-type 'character) simple-string)
(#\space (make-string 11 :initial-element #\space) string)
(#\* (make-string 11 :initial-element #\*))
(#\null (make-string 11))
(#\null (make-string 11 :initial-element #\null))
(#\x (make-string 11 :initial-element #\x))
;; And the other tweaks made when fixing bug 126 didn't
;; mess things up too badly either.
(0 (make-array 11) simple-vector)
(nil (make-array 11 :initial-element nil))
(12 (make-array 11 :initial-element 12))
(0 (make-array 11 :element-type '(unsigned-byte 4)) (simple-array (unsigned-byte 4) (*)))
(12 (make-array 11
:element-type '(unsigned-byte 4)
:initial-element 12)))))
(dolist (testcase testcases)
(destructuring-bind (expected-result form &optional type) testcase
(unless (eql expected-result (aref (eval form) 3))
(error "expected ~S in EVAL ~S" expected-result form))
(unless (eql expected-result
(aref (funcall (compile nil `(lambda () ,form))) 3))
(error "expected ~S in FUNCALL COMPILE ~S" expected-result form))
;; also do some testing of compilation and verification that
;; errors are thrown appropriately.
(unless (eql expected-result
(funcall (compile nil `(lambda () (aref ,form 3)))))
(error "expected ~S in COMPILED-AREF ~S" expected-result form))
(when type
(unless (eql expected-result
(funcall (compile nil `(lambda () (let ((x ,form))
(declare (type ,type x))
(aref x 3))))))
(error "expected ~S in COMPILED-DECLARED-AREF ~S" expected-result form)))
(when (ignore-errors (aref (eval form) 12))
(error "error not thrown in EVAL ~S" form))
(when (ignore-errors (aref (funcall (compile nil `(lambda () ,form))) 12))
(error "error not thrown in FUNCALL COMPILE ~S"))
(when (ignore-errors (funcall (compile nil `(lambda () (aref ,form 12)))))
(error "error not thrown in COMPILED-AREF ~S" form))
(when type
(when (ignore-errors (funcall
(compile nil `(lambda () (let ((x ,form))
(declare (type ,type x))
(aref x 12))))))
(error "error not thrown in COMPILED-DECLARED-AREF ~S" form))))))
;;; On the SPARC, until sbcl-0.7.7.20, there was a bug in array
;;; references for small vector elements (spotted by Raymond Toy); the
;;; bug persisted on the PPC until sbcl-0.7.8.20.
(let (vector)
(loop for i below 64
for list = (make-list 64 :initial-element 1)
do (setf (nth i list) 0)
do (setf vector (make-array 64 :element-type 'bit
:initial-contents list))
do (assert (= (funcall
(compile nil
`(lambda (rmdr)
(declare (type (simple-array bit (*)) rmdr)
(optimize (speed 3) (safety 0)))
(aref rmdr ,i)))
vector)
0))))
;;; Following refactoring of sequence functions to detect bad type
;;; specifiers, REVERSE was left broken on vectors with fill pointers.
(let ((a (make-array 10
:fill-pointer 5
:element-type 'character
:initial-contents "abcdefghij")))
(assert (string= (reverse a) "edcba")))
;;; ARRAY-IN-BOUNDS-P should work when given non-INDEXes as its
;;; subscripts (and return NIL, of course)
(let ((a (make-array 10 :fill-pointer 5)))
(assert (not (array-in-bounds-p a -1)))
(assert (array-in-bounds-p a 3))
(assert (array-in-bounds-p a 7))
(assert (not (array-in-bounds-p a 11)))
(assert (not (array-in-bounds-p a (1+ most-positive-fixnum)))))
;;; arrays of bits should work:
(let ((a (make-array '(10 10) :element-type 'bit :adjustable t)))
(setf (bit a 0 0) 1)
(assert (= (bit a 0 0) 1)))
(let ((a (make-array '(10 10) :element-type 'bit)))
(setf (sbit a 0 0) 1)
(assert (= (sbit a 0 0) 1)))
(let ((x (copy-seq #*0011))
(y (copy-seq #*0101)))
(assert (equalp (bit-and x y nil) #*0001)))
;;; arrays of NIL should work, FSVO "work".
(let ((a (make-array '(10 10) :element-type 'nil)))
(assert (= (array-total-size a) 100))
(assert (equal (array-dimensions a) '(10 10)))
(assert (eq (array-element-type a) 'nil)))
(assert (eq (upgraded-array-element-type 'nil) 'nil))
(multiple-value-bind (fun warn fail)
(compile nil '(lambda () (aref (make-array 0) 0)))
#+nil (assert fail) ; doesn't work, (maybe because ASSERTED-TYPE is NIL?)
(assert (raises-error? (funcall fun) type-error)))
(multiple-value-bind (fun warn fail)
(compile nil '(lambda () (aref (make-array 1) 1)))
(assert fail)
(assert (raises-error? (funcall fun) type-error)))
(multiple-value-bind (fun warn fail)
(compile nil '(lambda () (make-array 5 :element-type 'undefined-type)))
(assert warn))
(flet ((opaque-identity (x) x))
(declare (notinline opaque-identity))
;; we used to have leakage from cross-compilation hosts of the INDEX
;; type, which prevented us from actually using all the large array
;; dimensions that we promised. Let's make sure that we can create
;; an array with more than 2^24 elements, since that was a symptom
;; from the CLISP and OpenMCL hosts.
(let ((big-array (opaque-identity
(make-array (expt 2 26) :element-type 'bit))))
(assert (= (length big-array) (expt 2 26)))))
;;; Bug reported by Kalle Olavi Niemitalo for CMUCL through Debian BTS
(let ((array (make-array nil :initial-contents nil)))
(assert (eql (aref array) nil)))
(let ((f (compile nil '(lambda ()
(let ((a (make-array '(4)
:element-type 'base-char
:initial-element #\z)))
(setf (aref a 0) #\a)
(setf (aref a 1) #\b)
(setf (aref a 2) #\c)
a)))))
(assert (= (length (funcall f)) 4)))
(let ((x (make-array nil :initial-element 'foo)))
(adjust-array x nil)
(assert (eql (aref x) 'foo)))
;;; BUG 315: "no bounds check for access to displaced array"
;;; reported by Bruno Haible sbcl-devel "various SBCL bugs" from CLISP
;;; test suite.
(locally (declare (optimize (safety 3) (speed 0)))
(let* ((x (make-array 10 :fill-pointer 4 :element-type 'character
:initial-element #\space :adjustable t))
(y (make-array 10 :fill-pointer 4 :element-type 'character
:displaced-to x)))
(assert (eq x (adjust-array x '(5))))
(assert (eq :error (handler-case
(char y 0)
(sb-int:invalid-array-error (e)
(assert (eq y (type-error-datum e)))
(assert (equal `(vector character 10)
(type-error-expected-type e)))
:error))))))
;;; MISC.527: bit-vector bitwise operations used LENGTH to get a size
;;; of a vector
(flet ((bit-vector-equal (v1 v2)
(and (bit-vector-p v1) (bit-vector-p v2)
(equal (array-dimension v1 0) (array-dimension v2 0))
(loop for i below (array-dimension v1 0)
always (eql (aref v1 i) (aref v2 i))))))
(let* ((length 1024)
(v1 (make-array length :element-type 'bit :fill-pointer 0))
(v2 (make-array length :element-type 'bit :fill-pointer 1)))
(loop for i from 0 below length
for x1 in '#1=(0 0 1 1 . #1#)
and x2 in '#2=(0 1 0 1 . #2#)
do (setf (aref v1 i) x1)
do (setf (aref v2 i) x2))
(loop for (bf lf) in '((bit-and logand)
(bit-andc1 logandc1)
(bit-andc2 logandc2)
(bit-eqv logeqv)
(bit-ior logior)
(bit-nand lognand)
(bit-nor lognor)
(bit-orc1 logorc1)
(bit-orc2 logorc2)
(bit-xor logxor)
((lambda (x y) (bit-not x)) #.(lambda (x y) (lognot x))))
for fun = (compile nil `(lambda (v)
(declare (type (array bit (*)) v))
(declare (optimize (speed 3) (safety 0)))
(,bf v ,v2)))
for r1 = (funcall fun v1)
and r2 = (coerce (loop for i below length
collect (logand 1 (funcall lf (aref v1 i) (aref v2 i))))
'bit-vector)
do (assert (bit-vector-equal r1 r2)))))
(with-test (:name (adjust-array fill-pointer))
;; CLHS, ADJUST-ARRAY: An error of type error is signaled if
;; fill-pointer is supplied and non-nil but array has no fill pointer.
(assert (eq :good
(handler-case
(let ((array (make-array 12)))
(assert (not (array-has-fill-pointer-p array)))
(adjust-array array 12 :fill-pointer t)
array)
(type-error ()
:good)))))
(with-test (:name (adjust-array multidimensional))
(let ((ary (make-array '(2 2))))
;; SBCL used to give multidimensional arrays a bogus fill-pointer
(assert (not (array-has-fill-pointer-p (adjust-array ary '(2 2)))))))
(with-test (:name %set-fill-pointer/error)
(let ((v (make-array 3 :fill-pointer 0)))
(handler-case
(progn
(setf (fill-pointer v) 12)
(error "WTF"))
(error (e)
(assert (eql 12 (type-error-datum e)))
(assert (equal '(integer 0 3) (type-error-expected-type e)))))))
(with-test (:name array-storage-vector)
(let ((vec (vector 1 2 3)))
(assert (eq vec (sb-ext:array-storage-vector vec)))
(assert (equalp (vector 1 2 3 4)
(sb-ext:array-storage-vector
(make-array '(2 2) :initial-contents '((1 2) (3 4))))))
(assert (eq 'fixnum (array-element-type
(sb-ext:array-storage-vector (make-array '(3 4 5)
:element-type 'fixnum)))))
(assert (not (array-has-fill-pointer-p
(sb-ext::array-storage-vector
(make-array 5 :fill-pointer 4)))))))
(with-test (:name invalid-array-index-error)
(let ((array (make-array '(3 3 3))))
(assert
(eq :right
(handler-case
(eval `(aref ,array 0 1 3))
(sb-int:invalid-array-index-error (e)
(when (and (eq array (sb-kernel::invalid-array-index-error-array e))
(= 3 (type-error-datum e))
(equal '(integer 0 (3)) (type-error-expected-type e)))
:right)))))))
(with-test (:name :out-of-bounds-error-details)
(assert (eq :good
(handler-case
(flet ((test (array i)
(aref array i)))
(test (eval '(vector 0 1 2 3)) 6))
(sb-int:invalid-array-index-error (e)
(when (and (equal '(integer 0 (4))
(type-error-expected-type e))
(eql 6 (type-error-datum e)))
:good))))))
(with-test (:name :odd-keys-for-make-array)
(assert (eq :good
(handler-case
(compile nil '(lambda (m) (make-array m 1)))
(simple-warning () :good)))))