;;;; 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. (multiple-value-bind (val err) (ignore-errors (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))) (adjust-array x '(5)) (char y 5)))) (assert (and (not val) (typep err 'sb-kernel:displaced-to-array-too-small-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))))) ;;; 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))))