(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))))