;;;; 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))))