;;;; miscellaneous tests of compiling toplevel forms
;;;; 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.
;;; Exercise a compiler bug (by causing a call to ERROR).
;;;
;;; This bug was in sbcl-0.6.11.6.
(let ((a 1) (b 1))
(declare (type (mod 1000) a b))
(let ((tmp (= 10 (+ (incf a) (incf a) (incf b) (incf b)))))
(or tmp (error "TMP not true"))))
;;; Exercise a (byte-)compiler bug by causing a call to ERROR, not
;;; because the symbol isn't defined as a variable, but because
;;; TYPE-ERROR in SB-KERNEL::OBJECT-NOT-TYPE-ERROR-HANDLER:
;;; 0 is not of type (OR FUNCTION SB-KERNEL:FDEFN).
;;; Correct behavior is to warn at compile time because the symbol
;;; isn't declared as a variable, but to set its SYMBOL-VALUE anyway.
;;;
;;; This bug was in sbcl-0.6.11.13.
(print (setq improperly-declared-var '(1 2)))
(assert (equal (symbol-value 'improperly-declared-var) '(1 2)))
(makunbound 'improperly-declared-var)
;;; This is a slightly different way of getting the same symptoms out
;;; of the sbcl-0.6.11.13 byte compiler bug.
(print (setq *print-level* *print-level*))
;;; PROGV with different numbers of variables and values
(let ((a 1))
(declare (special a))
(assert (equal (list a (progv '(a b) '(:a :b :c)
(assert (eq (symbol-value 'nil) nil))
(list (symbol-value 'a) (symbol-value 'b)))
a)
'(1 (:a :b) 1)))
(assert (equal (list a (progv '(a b) '(:a :b)
(assert (eq (symbol-value 'nil) nil))
(list (symbol-value 'a) (symbol-value 'b)))
a)
'(1 (:a :b) 1)))
(assert (not (boundp 'b))))
(let ((a 1) (b 2))
(declare (special a b))
(assert (equal (list a b (progv '(a b) '(:a)
(assert (eq (symbol-value 'nil) nil))
(assert (not (boundp 'b)))
(symbol-value 'a))
a b)
'(1 2 :a 1 2))))
;;; bug in LOOP, reported by ??? on c.l.l
(flet ((foo (l)
(loop for x in l
when (symbolp x) return x
while (numberp x)
collect (list x))))
(assert (equal (foo '(1 2 #\a 3)) '((1) (2))))
(assert (equal (foo '(1 2 x 3)) 'x)))
;;; compiler failure found by Paul Dietz' randomized tortuter
(defun #:foo (a b c d)
(declare (type (integer 240 100434465) a)
(optimize (speed 3) (safety 1) (debug 1)))
(logxor
(if (ldb-test (byte 27 4) d)
-1
(max 55546856 -431))
(logorc2
(if (>= 0 b)
(if (> b c) (logandc2 c d) (if (> d 224002) 0 d))
(signum (logior c b)))
(logior a -1))))
(defun #:foo (b c)
(declare (type (integer -23228343 2) b)
(type (integer -115581022 512244512) c)
(optimize (speed 3) (safety 1) (debug 1)))
(* (* (logorc2 3 (deposit-field 4667947 (byte 14 26) b))
(deposit-field b (byte 25 27) -30424886))
(dpb b (byte 23 29) c)))
(defun #:foo (x y)
(declare (type (integer -1 1000000000000000000000000) x y)
(optimize speed))
(* x (* y x)))
(defun #:foo (b)
(declare (type (integer -290488443 2) b)
(optimize (speed 3) (safety 1) (debug 1)))
(let ((v3 (min -1720 b))) (max v3 (logcount (if (= v3 b) b b)))))
(defun #:foo (d)
(let ((v7 (flet ((%f16 () (labels ((%f3 () -8)) (%f3))))
(labels ((%f7 () (%f16))) d))))
132887443))
;;; RESULT-FORM in DO is not contained in the implicit TAGBODY
(assert (eq (handler-case (eval `(do ((x '(1 2 3) (cdr x)))
((endp x) (go :loop))
:loop
(unless x (return :bad))))
(error () :good))
:good))
(assert (eq (handler-case (eval `(do* ((x '(1 2 3) (cdr x)))
((endp x) (go :loop))
:loop
(unless x (return :bad))))
(error () :good))
:good))
;;; bug 282
;;;
;;; Verify type checking policy in full calls: the callee is supposed
;;; to perform check, but the results should not be used before the
;;; check will be actually performed.
(locally
(declare (optimize (safety 3)))
(flet ((bar (f a)
(declare (type (simple-array (unsigned-byte 32) (*)) a))
(declare (type (function (fixnum)) f))
(funcall f (aref a 0))))
#-64-bit
(assert
(eval `(let ((n (1+ most-positive-fixnum)))
(if (not (typep n '(unsigned-byte 32)))
(warn 'style-warning
"~@<This test is written for platforms with ~
~@<(proper-subtypep 'fixnum '(unsigned-byte 32))~:@>.~:@>")
(block nil
(funcall ,#'bar
(lambda (x) (when (eql x n) (return t)))
(make-array 1 :element-type '(unsigned-byte 32)
:initial-element n))
nil)))))))
;;; bug 261
(let ((x (list (the (values &optional fixnum) (eval '(values))))))
(assert (equal x '(nil))))
;;; Bug 125, reported by Gabe Garza: Python did not preserve identity
;;; of closures.
(flet ((test-case (test-pred x)
(let ((func (lambda () x)))
(list (eq func func)
(funcall test-pred func func)
(delete func (list func))))))
(assert (equal '(t t nil) (funcall (eval #'test-case) #'eq 3))))
;;; compiler failure reported by Alan Shields:
;;; MAYBE-INFER-ITERATION-VAR-TYPE did not deal with types (REAL * (n)).
(let ((s (loop for x from (- pi) below (floor (* 2 pi)) by (/ pi 75) count t)))
(assert (= s 219)))
(with-test (:name :specialized-array-dumping)
(macrolet
((make-tests ()
`(progn
,@(loop for saetp across
sb-vm:*specialized-array-element-type-properties*
for specifier = (sb-vm:saetp-specifier saetp)
for init = (cond ((member specifier '(character base-char))
'(:initial-element #\X))
((eq specifier 't) '(:initial-element :hello))
(specifier
`(:initial-element
,(sb-vm:saetp-initial-element-default saetp))))
for array = (apply 'make-array (if specifier 10 0)
:element-type specifier init)
for make-array = `(make-array ,(if specifier 10 0)
:element-type ',specifier
,@init)
collect `(assert (and (equal (type-of ,array)
',(type-of array))
(equalp ,array
,make-array)))))))
(make-tests)))
(lambda () (the string (+ 1 x)))
(lambda ()
(macrolet ((x (&rest args)
(declare (ignore args))
'a))
(let (a)
(declare (type vector a))
(x #.#'list))))
(defparameter *my-type-test-ran* 0)
(deftype some-weird-type () '(satisfies my-thing-p))
(defun my-thing-p (x)
(incf *my-type-test-ran*)
(member x '(nil :foo)))
(defun make-array-fill-nil ()
(sb-int:dx-let ((a (make-array 5 :initial-element nil
:element-type '(or (and complex) some-weird-type))))
(values (stack-allocated-p a)
*my-type-test-ran*)))
(with-test (:name :splat-nil)
(multiple-value-bind (ok tested) (make-array-fill-nil)
;; should not inhibit stack allocation, should check that NIL is OK
(assert (and ok (eql tested 1)))))