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;;;; 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")
(locally
(declare (notinline mapcar))
(mapcar (lambda (args)
(destructuring-bind (obj type-spec result) args
(flet ((matches-result? (x)
(eq (if x t nil) result)))
(assert (matches-result? (typep obj type-spec)))
(assert (matches-result? (sb-kernel:ctypep
obj
(sb-kernel:specifier-type
type-spec)))))))
'((nil (or null vector) t)
(nil (or number vector) nil)
(12 (or null vector) nil)
(12 (and (or number vector) real) t))))
;;; This test is motivated by bug #195, which previously had (THE REAL
;;; #(1 2 3)) give an error which prints as "This is not a (OR
;;; SINGLE-FLOAT DOUBLE-FLOAT RATIONAL)". We ideally want all of the
;;; defined-by-ANSI types to unparse as themselves or at least
;;; something similar (e.g. CHARACTER can unparse to BASE-CHAR, since
;;; the types are equivalent in current SBCL, and EXTENDED-CHAR can
;;; unparse to NIL, since there are no EXTENDED-CHARs currently).
(let ((standard-types '(;; from table 4-2 in section 4.2.3 in the
;; CLHS.
arithmetic-error
function
simple-condition
array
generic-function
simple-error
atom
hash-table
simple-string
base-char
integer
simple-type-error
base-string
keyword
simple-vector
bignum
list
simple-warning
bit
logical-pathname
single-float
bit-vector
long-float
standard-char
broadcast-stream
method
standard-class
built-in-class
method-combination
standard-generic-function
cell-error
nil
standard-method
character
null
standard-object
class
number
storage-condition
compiled-function
package
stream
complex
package-error
stream-error
concatenated-stream
parse-error
string
condition
pathname
string-stream
cons
print-not-readable
structure-class
control-error
program-error
structure-object
division-by-zero
random-state
style-warning
double-float
ratio
symbol
echo-stream
rational
synonym-stream
end-of-file
reader-error
t
error
readtable
two-way-stream
extended-char
real
type-error
file-error
restart
unbound-slot
file-stream
sequence
unbound-variable
fixnum
serious-condition
undefined-function
float
short-float
unsigned-byte
floating-point-inexact
signed-byte
vector
floating-point-invalid-operation
simple-array
warning
floating-point-overflow
simple-base-string
floating-point-underflow
simple-bit-vector)))
(dolist (type standard-types)
(format t "~&~S~%" type)
(assert (not (sb-kernel:unknown-type-p (sb-kernel:specifier-type type))))
(assert (atom (sb-kernel:type-specifier (sb-kernel:specifier-type type))))))
;;; a bug underlying the reported bug #221: The SB-KERNEL type code
;;; signalled an error on this expression.
(subtypep '(function (fixnum) (values package boolean))
'(function (t) (values package boolean)))
;;; bug reported by Valtteri Vuorik
(compile nil '(lambda () (member (char "foo" 0) '(#\. #\/) :test #'char=)))
(assert (not (equal (multiple-value-list
(subtypep '(function ()) '(function (&rest t))))
'(nil t))))
(assert (not (equal (multiple-value-list
(subtypep '(function (&rest t)) '(function ())))
'(t t))))
(assert (subtypep '(function)
'(function (&optional * &rest t))))
(assert (equal (multiple-value-list
(subtypep '(function)
'(function (t &rest t))))
'(nil t)))
(assert (and (subtypep 'function '(function))
(subtypep '(function) 'function)))
;;; Absent any exciting generalizations of |R, the type RATIONAL is
;;; partitioned by RATIO and INTEGER. Ensure that the type system
;;; knows about this. [ the type system is permitted to return NIL,
;;; NIL for these, so if future maintenance breaks these tests that
;;; way, that's fine. What the SUBTYPEP calls are _not_ allowed to
;;; return is NIL, T, because that's completely wrong. ]
(assert (subtypep '(or integer ratio) 'rational))
(assert (subtypep 'rational '(or integer ratio)))
;;; Likewise, these are allowed to return NIL, NIL, but shouldn't
;;; return NIL, T:
(assert (subtypep t '(or real (not real))))
(assert (subtypep t '(or keyword (not keyword))))
(assert (subtypep '(and cons (not (cons symbol integer)))
'(or (cons (not symbol) *) (cons * (not integer)))))
(assert (subtypep '(or (cons (not symbol) *) (cons * (not integer)))
'(and cons (not (cons symbol integer)))))
(assert (subtypep '(or (eql 0) (rational (0) 10))
'(rational 0 10)))
(assert (subtypep '(rational 0 10)
'(or (eql 0) (rational (0) 10))))
;;; Until sbcl-0.7.13.7, union of CONS types when the CDRs were the
;;; same type gave exceedingly wrong results
(assert (null (subtypep '(or (cons fixnum single-float)
(cons bignum single-float))
'(cons single-float single-float))))
(assert (subtypep '(cons integer single-float)
'(or (cons fixnum single-float) (cons bignum single-float))))
(assert (not (nth-value 1 (subtypep '(and null some-unknown-type)
'another-unknown-type))))
;;; bug 46c
(with-test (:name :coerce-function-on-macro)
(dolist (fun '(and if))
(assert (raises-error? (coerce fun 'function)))))
(dotimes (i 100)
(let ((x (make-array 0 :element-type `(unsigned-byte ,(1+ i)))))
(eval `(typep ,x (class-of ,x)))))
(assert (not (typep #c(1 2) '(member #c(2 1)))))
(assert (typep #c(1 2) '(member #c(1 2))))
(assert (subtypep 'nil '(complex nil)))
(assert (subtypep '(complex nil) 'nil))
(assert (subtypep 'nil '(complex (eql 0))))
(assert (subtypep '(complex (eql 0)) 'nil))
(assert (subtypep 'nil '(complex (integer 0 0))))
(assert (subtypep '(complex (integer 0 0)) 'nil))
(assert (subtypep 'nil '(complex (rational 0 0))))
(assert (subtypep '(complex (rational 0 0)) 'nil))
(assert (subtypep 'complex '(complex real)))
(assert (subtypep '(complex real) 'complex))
(assert (subtypep '(complex (eql 1)) '(complex (member 1 2))))
(assert (subtypep '(complex ratio) '(complex rational)))
(assert (subtypep '(complex ratio) 'complex))
(assert (equal (multiple-value-list
(subtypep '(complex (integer 1 2))
'(member #c(1 1) #c(1 2) #c(2 1) #c(2 2))))
'(nil t)))
(assert (typep 0 '(real #.(ash -1 10000) #.(ash 1 10000))))
(assert (subtypep '(real #.(ash -1 1000) #.(ash 1 1000))
'(real #.(ash -1 10000) #.(ash 1 10000))))
(assert (subtypep '(real (#.(ash -1 1000)) (#.(ash 1 1000)))
'(real #.(ash -1 1000) #.(ash 1 1000))))
;;; Bug, found by Paul F. Dietz
(let* ((x (eval #c(-1 1/2)))
(type (type-of x)))
(assert (subtypep type '(complex rational)))
(assert (typep x type)))
;;; Test derivation of LOG{AND,IOR,XOR} bounds for unsigned arguments.
;;;
;;; Fear the Loop of Doom!
;;;
;;; (In fact, this is such a fearsome loop that executing it with the
;;; evaluator would take ages... Disable it under those circumstances.)
#+#.(cl:if (cl:eq sb-ext:*evaluator-mode* :compile) '(and) '(or))
(with-test (:name (:type-derivation :logical-operations :correctness))
(let* ((n-bits 5)
(size (ash 1 n-bits)))
(labels ((brute-force (a b c d op)
(loop with min = (ash 1 n-bits)
with max = 0
for i from a upto b do
(loop for j from c upto d do
(let ((x (funcall op i j)))
(setf min (min min x)
max (max max x))))
finally (return (values min max))))
(test (a b c d op deriver)
(multiple-value-bind (brute-low brute-high)
(brute-force a b c d op)
(multiple-value-bind (test-low test-high)
(funcall deriver
(sb-c::specifier-type `(integer ,a ,b))
(sb-c::specifier-type `(integer ,c ,d)))
(unless (and (= brute-low test-low)
(= brute-high test-high))
(format t "FAIL: ~A [~D, ~D] [~D, ~D]~%EXPECTED [~D, ~D] GOT [~D, ~D]~%"
op a b c d
brute-low brute-high test-low test-high)
(assert (and (= brute-low test-low)
(= brute-high test-high))))))))
(dolist (op '(logand logior logxor))
(let ((deriver (intern (format nil "~A-DERIVE-UNSIGNED-BOUNDS" op)
(find-package :sb-c))))
(format t "testing type derivation: ~A~%" deriver)
(loop for a from 0 below size do
(loop for b from a below size do
(loop for c from 0 below size do
(loop for d from c below size do
(test a b c d op deriver))))))))))
(with-test (:name (:type-derivation :logical-operations :scaling))
(let ((type-x1 (sb-c::specifier-type `(integer ,(expt 2 10000)
,(expt 2 10000))))
(type-x2 (sb-c::specifier-type `(integer ,(expt 2 100000)
,(expt 2 100000))))
(type-y (sb-c::specifier-type '(integer 0 1))))
(dolist (op '(logand logior logxor))
(let* ((deriver (intern (format nil "~A-DERIVE-TYPE-AUX" op)
(find-package :sb-c)))
(scale (/ (runtime (funcall deriver type-x2 type-y))
(runtime (funcall deriver type-x1 type-y)))))
;; Linear scaling is good, quadratical bad. Draw the line
;; near the geometric mean of the corresponding SCALEs.
(when (> scale 32)
(error "Bad scaling of ~a: input 10 times but runtime ~a times as large."
deriver scale))))))
;;; subtypep on CONS types wasn't taking account of the fact that a
;;; CONS type could be the empty type (but no other non-CONS type) in
;;; disguise.
(multiple-value-bind (yes win)
(subtypep '(and function stream) 'nil)
(multiple-value-bind (cyes cwin)
(subtypep '(cons (and function stream) t)
'(cons nil t))
(assert (eq yes cyes))
(assert (eq win cwin))))
;;; CONS type subtypep could be too enthusiastic about thinking it was
;;; certain
(multiple-value-bind (yes win)
(subtypep '(satisfies foo) '(satisfies bar))
(assert (null yes))
(assert (null win))
(multiple-value-bind (cyes cwin)
(subtypep '(cons (satisfies foo) t)
'(cons (satisfies bar) t))
(assert (null cyes))
(assert (null cwin))))
(multiple-value-bind (yes win)
(subtypep 'generic-function 'function)
(assert yes)
(assert win))
;;; this would be in some internal test suite like type.before-xc.lisp
;;; except that generic functions don't exist at that stage.
(multiple-value-bind (yes win)
(subtypep 'generic-function 'sb-kernel:funcallable-instance)
(assert yes)
(assert win))
;;; all sorts of answers are right for this one, but it used to
;;; trigger an AVER instead.
(subtypep '(function ()) '(and (function ()) (satisfies identity)))
(assert (sb-kernel:unknown-type-p (sb-kernel:specifier-type 'an-unkown-type)))
(assert
(sb-kernel:type=
(sb-kernel:specifier-type '(or (simple-array an-unkown-type (*))
(simple-array an-unkown-type)))
(sb-kernel:specifier-type '(or (simple-array an-unkown-type (*))
(simple-array an-unkown-type)))))
(assert
(sb-kernel:type=
(sb-kernel:specifier-type '(simple-array an-unkown-type (*)))
(sb-kernel:specifier-type '(simple-array an-unkown-type (*)))))
(assert
(not
(sb-kernel:type=
(sb-kernel:specifier-type '(simple-array an-unkown-type (*)))
(sb-kernel:specifier-type '(array an-unkown-type (*))))))
(assert
(not
(sb-kernel:type=
(sb-kernel:specifier-type '(simple-array an-unkown-type (7)))
(sb-kernel:specifier-type '(simple-array an-unkown-type (8))))))
(assert
(sb-kernel:type/= (sb-kernel:specifier-type 'cons)
(sb-kernel:specifier-type '(cons single-float single-float))))
(multiple-value-bind (match win)
(sb-kernel:type= (sb-kernel:specifier-type '(cons integer))
(sb-kernel:specifier-type '(cons)))
(assert (and (not match) win)))
(assert (typep #p"" 'sb-kernel:instance))
(assert (subtypep '(member #p"") 'sb-kernel:instance))
(with-test (:name (:typep :character-set :negation))
(flet ((generate-chars ()
(loop repeat 100
collect (code-char (random char-code-limit)))))
(dotimes (i 1000)
(let* ((chars (generate-chars))
(type `(member ,@chars))
(not-type `(not ,type)))
(dolist (char chars)
(assert (typep char type))
(assert (not (typep char not-type))))
(let ((other-chars (generate-chars)))
(dolist (char other-chars)
(unless (member char chars)
(assert (not (typep char type)))
(assert (typep char not-type)))))))))
(with-test (:name (:check-type :store-value :complex-place))
(let ((a (cons 0.0 2))
(handler-invoked nil))
(handler-bind ((error
(lambda (c)
(declare (ignore c))
(assert (not handler-invoked))
(setf handler-invoked t)
(invoke-restart 'store-value 1))))
(check-type (car a) integer))
(assert (eql (car a) 1))))
;;; The VOP FIXNUMP/UNSIGNED-BYTE-64 was broken on x86-64, failing
;;; the first ASSERT below. The second ASSERT takes care that the fix
;;; doesn't overshoot the mark.
(with-test (:name (:typep :fixnum-if-unsigned-byte))
(let ((f (compile nil
(lambda (x)
(declare (type (unsigned-byte #.sb-vm:n-word-bits) x))
(typep x (quote fixnum))))))
(assert (not (funcall f (1+ most-positive-fixnum))))
(assert (funcall f most-positive-fixnum))))
(with-test (:name (:typep :member-uses-eql))
(assert (eval '(typep 1/3 '(member 1/3 nil))))
(assert (eval '(typep 1.0 '(member 1.0 t))))
(assert (eval '(typep #c(1.1 1.2) '(member #c(1.1 1.2)))))
(assert (eval '(typep #c(1 1) '(member #c(1 1)))))
(let ((bignum1 (+ 12 most-positive-fixnum))
(bignum2 (- (+ 15 most-positive-fixnum) 3)))
(assert (eval `(typep ,bignum1 '(member ,bignum2))))))
(with-test (:name :opt+rest+key-canonicalization)
(let ((type '(function (&optional t &rest t &key (:x t) (:y t)) *)))
(assert (equal type (sb-kernel:type-specifier (sb-kernel:specifier-type type))))))
(with-test (:name :bug-369)
(let ((types (mapcar #'sb-c::values-specifier-type
'((values (vector package) &optional)
(values (vector package) &rest t)
(values (vector hash-table) &rest t)
(values (vector hash-table) &optional)
(values t &optional)
(values t &rest t)
(values nil &optional)
(values nil &rest t)
(values sequence &optional)
(values sequence &rest t)
(values list &optional)
(values list &rest t)))))
(dolist (x types)
(dolist (y types)
(let ((i (sb-c::values-type-intersection x y)))
(assert (sb-c::type= i (sb-c::values-type-intersection i x)))
(assert (sb-c::type= i (sb-c::values-type-intersection i y))))))))
(with-test (:name :bug-485972)
(assert (equal (multiple-value-list (subtypep 'symbol 'keyword)) '(nil t)))
(assert (equal (multiple-value-list (subtypep 'keyword 'symbol)) '(t t))))
;; WARNING: this test case would fail by recursing into the stack's guard page.
(with-test (:name :bug-883498)
(sb-kernel:specifier-type
`(or (INTEGER -2 -2)
(AND (SATISFIES FOO) (RATIONAL -3/2 -3/2)))))
;; The infinite recursion mentioned in the previous test was caused by an
;; attempt to get the following right.
(with-test (:name :quirky-integer-rational-union)
(assert (subtypep `(or (integer * -1)
(and (rational * -1/2) (not integer)))
`(rational * -1/2)))
(assert (subtypep `(rational * -1/2)
`(or (integer * -1)
(and (rational * -1/2) (not integer))))))
;; for the longest time (at least 05525d3a), single-value-type would
;; return CHARACTER on this.
(with-test (:name :single-value-&optional-type)
(assert (sb-c::type= (sb-c::single-value-type
(sb-c::values-specifier-type '(values &optional character)))
(sb-c::specifier-type '(or null character)))))