+ (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)))