3 (load "assertoid.lisp")
5 (defmacro assert-nil-nil (expr)
6 `(assert (equal '(nil nil) (multiple-value-list ,expr))))
7 (defmacro assert-nil-t (expr)
8 `(assert (equal '(nil t) (multiple-value-list ,expr))))
9 (defmacro assert-t-t (expr)
10 `(assert (equal '(t t) (multiple-value-list ,expr))))
12 (defmacro assert-t-t-or-uncertain (expr)
13 `(assert (let ((list (multiple-value-list ,expr)))
14 (or (equal '(nil nil) list)
15 (equal '(t t) list)))))
17 (let ((types '(character
18 integer fixnum (integer 0 10)
19 single-float (single-float -1.0 1.0) (single-float 0.1)
20 (real 4 8) (real -1 7) (real 2 11)
22 (member #\a #\b #\c) (member 1 #\a) (member 3.0 3.3)
25 (rational -1 7) (rational -2 4)
29 (format t "type I=~S~%" i)
31 (format t " type J=~S~%" j)
32 (assert (subtypep i `(or ,i ,j)))
33 (assert (subtypep i `(or ,j ,i)))
34 (assert (subtypep i `(or ,i ,i ,j)))
35 (assert (subtypep i `(or ,j ,i)))
37 (format t " type K=~S~%" k)
38 (assert (subtypep `(or ,i ,j) `(or ,i ,j ,k)))
39 (assert (subtypep `(or ,i ,j) `(or ,k ,j ,i)))))))
41 ;;; gotchas that can come up in handling subtypeness as "X is a
42 ;;; subtype of Y if each of the elements of X is a subtype of Y"
43 (let ((subtypep-values (multiple-value-list
44 (subtypep '(single-float -1.0 1.0)
45 '(or (real -100.0 0.0)
46 (single-float 0.0 100.0))))))
47 (assert (member subtypep-values
48 '(;; The system isn't expected to
49 ;; understand the subtype relationship.
51 ;; But if it does, that'd be neat.
53 ;; (And any other return would be wrong.)
57 (defun type-evidently-= (x y)
61 (assert (subtypep 'single-float 'float))
63 (assert (type-evidently-= '(integer 0 10) '(or (integer 0 5) (integer 4 10))))
65 ;;; Bug 50(c,d): numeric types with empty ranges should be NIL
66 (assert (type-evidently-= 'nil '(integer (0) (0))))
67 (assert (type-evidently-= 'nil '(rational (0) (0))))
68 (assert (type-evidently-= 'nil '(float (0.0) (0.0))))
70 ;;; sbcl-0.6.10 did (UPGRADED-ARRAY-ELEMENT-TYPE 'SOME-UNDEF-TYPE)=>T
71 ;;; and (UPGRADED-COMPLEX-PART-TYPE 'SOME-UNDEF-TYPE)=>T.
72 (assert (raises-error? (upgraded-array-element-type 'some-undef-type)))
73 (assert (eql (upgraded-array-element-type t) t))
74 (assert (raises-error? (upgraded-complex-part-type 'some-undef-type)))
75 (assert (subtypep (upgraded-complex-part-type 'fixnum) 'real))
77 ;;; Do reasonable things with undefined types, and with compound types
78 ;;; built from undefined types.
81 (assert (typep #(11) '(simple-array t 1)))
82 (assert (typep #(11) '(simple-array (or integer symbol) 1)))
83 (assert (raises-error? (typep #(11) '(simple-array undef-type 1))))
84 (assert (not (typep 11 '(simple-array undef-type 1))))
87 (assert (subtypep '(vector some-undef-type) 'vector))
88 (assert (not (subtypep '(vector some-undef-type) 'integer)))
89 (assert-nil-nil (subtypep 'utype-1 'utype-2))
90 (assert-nil-nil (subtypep '(vector utype-1) '(vector utype-2)))
91 (assert-nil-nil (subtypep '(vector utype-1) '(vector t)))
92 (assert-nil-nil (subtypep '(vector t) '(vector utype-2)))
94 ;;; ANSI specifically disallows bare AND and OR symbols as type specs.
95 #| ; Alas, this is part of bug 10, still unfixed as of sbcl-0.7.2.
96 (assert (raises-error? (typep 11 'and)))
97 (assert (raises-error? (typep 11 'or)))
99 ;;; Of course empty lists of subtypes are still OK.
100 (assert (typep 11 '(and)))
101 (assert (not (typep 11 '(or))))
103 ;;; bug 12: type system didn't grok nontrivial intersections
104 (assert (subtypep '(and symbol (satisfies keywordp)) 'symbol))
105 (assert (not (subtypep '(and symbol (satisfies keywordp)) 'null)))
106 (assert (subtypep 'keyword 'symbol))
107 (assert (not (subtypep 'symbol 'keyword)))
108 (assert (subtypep 'ratio 'real))
109 (assert (subtypep 'ratio 'number))
111 ;;; bug 50.g: Smarten up hairy type specifiers slightly. We may wish
112 ;;; to revisit this, perhaps by implementing a COMPLEMENT type
113 ;;; (analogous to UNION and INTERSECTION) to take the logic out of the
115 (assert-nil-t (subtypep 'atom 'cons))
116 (assert-nil-t (subtypep 'cons 'atom))
117 (assert-nil-t (subtypep '(not list) 'cons))
118 (assert-nil-t (subtypep '(not float) 'single-float))
119 (assert-t-t (subtypep '(not atom) 'cons))
120 (assert-t-t (subtypep 'cons '(not atom)))
121 ;;; ANSI requires that SUBTYPEP relationships among built-in primitive
122 ;;; types never be uncertain, i.e. never return NIL as second value.
123 ;;; Prior to about sbcl-0.7.2.6, ATOM caused a lot of problems here
124 ;;; (because it's a negation type, implemented as a HAIRY-TYPE, and
125 ;;; CMU CL's HAIRY-TYPE logic punted a lot).
126 (assert-t-t (subtypep 'integer 'atom))
127 (assert-t-t (subtypep 'function 'atom))
128 (assert-nil-t (subtypep 'list 'atom))
129 (assert-nil-t (subtypep 'atom 'integer))
130 (assert-nil-t (subtypep 'atom 'function))
131 (assert-nil-t (subtypep 'atom 'list))
132 ;;; ATOM is equivalent to (NOT CONS):
133 (assert-t-t (subtypep 'integer '(not cons)))
134 (assert-nil-t (subtypep 'list '(not cons)))
135 (assert-nil-t (subtypep '(not cons) 'integer))
136 (assert-nil-t (subtypep '(not cons) 'list))
137 ;;; And we'd better check that all the named types are right. (We also
138 ;;; do some more tests on ATOM here, since once CSR experimented with
139 ;;; making it a named type.)
140 (assert-t-t (subtypep 'nil 'nil))
141 (assert-t-t (subtypep 'nil 'atom))
142 (assert-t-t (subtypep 'nil 't))
143 (assert-nil-t (subtypep 'atom 'nil))
144 (assert-t-t (subtypep 'atom 'atom))
145 (assert-t-t (subtypep 'atom 't))
146 (assert-nil-t (subtypep 't 'nil))
147 (assert-nil-t (subtypep 't 'atom))
148 (assert-t-t (subtypep 't 't))
149 ;;; Also, LIST is now somewhat special, in that (NOT LIST) should be
150 ;;; recognized as a subtype of ATOM:
151 (assert-t-t (subtypep '(not list) 'atom))
152 (assert-nil-t (subtypep 'atom '(not list)))
153 ;;; These used to fail, because when the two arguments to subtypep are
154 ;;; of different specifier-type types (e.g. HAIRY and UNION), there
155 ;;; are two applicable type methods -- in this case
156 ;;; HAIRY-COMPLEX-SUBTYPEP-ARG1-TYPE-METHOD and
157 ;;; UNION-COMPLEX-SUBTYPEP-ARG2-TYPE-METHOD. Both of these exist, but
158 ;;; [!%]INVOKE-TYPE-METHOD aren't smart enough to know that if one of
159 ;;; them returns NIL, NIL (indicating uncertainty) it should try the
160 ;;; other. However, as of sbcl-0.7.2.6 or so, CALL-NEXT-METHOD-ish
161 ;;; logic in those type methods fixed it.
162 (assert-nil-t (subtypep '(not cons) 'list))
163 (assert-nil-t (subtypep '(not single-float) 'float))
164 ;;; Somewhere along the line (probably when adding CALL-NEXT-METHOD-ish
165 ;;; logic in SUBTYPEP type methods) we fixed bug 58 too:
166 (assert-t-t (subtypep '(and zilch integer) 'zilch))
167 (assert-t-t (subtypep '(and integer zilch) 'zilch))
169 ;;; Bug 84: SB-KERNEL:CSUBTYPEP was a bit enthusiastic at
170 ;;; special-casing calls to subtypep involving *EMPTY-TYPE*,
171 ;;; corresponding to the NIL type-specifier; we were bogusly returning
172 ;;; NIL, T (indicating surety) for the following:
173 (assert-nil-nil (subtypep '(satisfies some-undefined-fun) 'nil))
175 ;;; It turns out that, as of sbcl-0.7.2, we require to be able to
176 ;;; detect this to compile src/compiler/node.lisp (and in particular,
177 ;;; the definition of the component structure). Since it's a sensible
178 ;;; thing to want anyway, let's test for it here:
179 (assert-t-t (subtypep '(or some-undefined-type (member :no-ir2-yet :dead))
180 '(or some-undefined-type (member :no-ir2-yet :dead))))
181 ;;; BUG 158 (failure to compile loops with vector references and
182 ;;; increments of greater than 1) was a symptom of type system
183 ;;; uncertainty, to wit:
184 (assert-t-t (subtypep '(and (mod 536870911) (or (integer 0 0) (integer 2 536870912)))
185 '(mod 536870911))) ; aka SB-INT:INDEX.
187 ;;;; Douglas Thomas Crosher rewrote the CMU CL type test system to
188 ;;;; allow inline type tests for CONDITIONs and STANDARD-OBJECTs, and
189 ;;;; generally be nicer, and Martin Atzmueller ported the patches.
190 ;;;; They look nice but they're nontrivial enough that it's not
191 ;;;; obvious from inspection that everything is OK. Let's make sure
192 ;;;; that things still basically work.
194 ;; structure type tests setup
195 (defstruct structure-foo1)
196 (defstruct (structure-foo2 (:include structure-foo1))
198 (defstruct (structure-foo3 (:include structure-foo2)))
199 (defstruct (structure-foo4 (:include structure-foo3))
202 ;; structure-class tests setup
203 (defclass structure-class-foo1 () () (:metaclass cl:structure-class))
204 (defclass structure-class-foo2 (structure-class-foo1)
205 () (:metaclass cl:structure-class))
206 (defclass structure-class-foo3 (structure-class-foo2)
207 () (:metaclass cl:structure-class))
208 (defclass structure-class-foo4 (structure-class-foo3)
209 () (:metaclass cl:structure-class))
211 ;; standard-class tests setup
212 (defclass standard-class-foo1 () () (:metaclass cl:standard-class))
213 (defclass standard-class-foo2 (standard-class-foo1)
214 () (:metaclass cl:standard-class))
215 (defclass standard-class-foo3 (standard-class-foo2)
216 () (:metaclass cl:standard-class))
217 (defclass standard-class-foo4 (standard-class-foo3)
218 () (:metaclass cl:standard-class))
220 ;; condition tests setup
221 (define-condition condition-foo1 (condition) ())
222 (define-condition condition-foo2 (condition-foo1) ())
223 (define-condition condition-foo3 (condition-foo2) ())
224 (define-condition condition-foo4 (condition-foo3) ())
226 ;;; inline type tests
227 (format t "~&/setting up *TESTS-OF-INLINE-TYPE-TESTS*~%")
228 (defparameter *tests-of-inline-type-tests*
231 ;; structure type tests
232 (assert (typep (make-structure-foo3) 'structure-foo2))
233 (assert (not (typep (make-structure-foo1) 'structure-foo4)))
234 (assert (typep (nth-value 1
235 (ignore-errors (structure-foo2-x
236 (make-structure-foo1))))
238 (assert (null (ignore-errors
239 (setf (structure-foo2-x (make-structure-foo1)) 11))))
241 ;; structure-class tests
242 (assert (typep (make-instance 'structure-class-foo3)
243 'structure-class-foo2))
244 (assert (not (typep (make-instance 'structure-class-foo1)
245 'structure-class-foo4)))
246 (assert (null (ignore-errors
247 (setf (slot-value (make-instance 'structure-class-foo1)
251 ;; standard-class tests
252 (assert (typep (make-instance 'standard-class-foo3)
253 'standard-class-foo2))
254 (assert (not (typep (make-instance 'standard-class-foo1)
255 'standard-class-foo4)))
256 (assert (null (ignore-errors
257 (setf (slot-value (make-instance 'standard-class-foo1) 'x)
261 (assert (typep (make-condition 'condition-foo3)
263 (assert (not (typep (make-condition 'condition-foo1)
265 (assert (null (ignore-errors
266 (setf (slot-value (make-condition 'condition-foo1) 'x)
268 (assert (subtypep 'error 't))
269 (assert (subtypep 'simple-condition 'condition))
270 (assert (subtypep 'simple-error 'simple-condition))
271 (assert (subtypep 'simple-error 'error))
272 (assert (not (subtypep 'condition 'simple-condition)))
273 (assert (not (subtypep 'error 'simple-error)))
274 (assert (eq (car (sb-kernel:class-direct-superclasses
275 (find-class 'simple-condition)))
276 (find-class 'condition)))
278 (assert (eq (car (sb-pcl:class-direct-superclasses (sb-pcl:find-class
280 (sb-pcl:find-class 'condition)))
282 (let ((subclasses (mapcar #'sb-pcl:find-class
286 sb-int:simple-file-error
287 sb-int:simple-style-warning))))
288 (assert (null (set-difference
289 (sb-pcl:class-direct-subclasses (sb-pcl:find-class
294 (assert (equal (sb-pcl:class-precedence-list
295 (sb-pcl:find-class 'simple-condition))
296 (mapcar #'sb-pcl:find-class '(simple-condition
302 (assert (null (sb-kernel:class-direct-superclasses
303 (find-class 'fundamental-stream))))
304 (assert (equal (sb-pcl:class-direct-superclasses (sb-pcl:find-class
305 'fundamental-stream))
306 (mapcar #'sb-pcl:find-class '(standard-object stream))))
307 (assert (null (set-difference
308 (sb-pcl:class-direct-subclasses (sb-pcl:find-class
309 'fundamental-stream))
310 (mapcar #'sb-pcl:find-class '(fundamental-binary-stream
311 fundamental-character-stream
312 fundamental-output-stream
313 fundamental-input-stream)))))
314 (assert (equal (sb-pcl:class-precedence-list (sb-pcl:find-class
315 'fundamental-stream))
316 (mapcar #'sb-pcl:find-class '(fundamental-stream
323 (assert (equal (sb-pcl:class-precedence-list (sb-pcl:find-class
324 'fundamental-stream))
325 (mapcar #'sb-pcl:find-class '(fundamental-stream
328 sb-pcl::slot-object stream
329 sb-kernel:instance t))))
330 (assert (subtypep (find-class 'stream) (find-class t)))
331 (assert (subtypep (find-class 'fundamental-stream) 'stream))
332 (assert (not (subtypep 'stream 'fundamental-stream)))))
333 ;;; Test under the interpreter.
334 (eval *tests-of-inline-type-tests*)
335 (format t "~&/done with interpreted *TESTS-OF-INLINE-TYPE-TESTS*~%")
336 ;;; Test under the compiler.
337 (defun tests-of-inline-type-tests ()
338 #.*tests-of-inline-type-tests*)
339 (tests-of-inline-type-tests)
340 (format t "~&/done with compiled (TESTS-OF-INLINE-TYPE-TESTS)~%")
342 ;;; Redefinition of classes should alter the type hierarchy (BUG 140):
343 (defclass superclass () ())
344 (defclass maybe-subclass () ())
345 (assert-nil-t (subtypep 'maybe-subclass 'superclass))
346 (defclass maybe-subclass (superclass) ())
347 (assert-t-t (subtypep 'maybe-subclass 'superclass))
348 (defclass maybe-subclass () ())
349 (assert-nil-t (subtypep 'maybe-subclass 'superclass))
351 ;;; Prior to sbcl-0.7.6.27, there was some confusion in ARRAY types
352 ;;; specialized on some as-yet-undefined type which would cause this
353 ;;; program to fail (bugs #123 and #165). Verify that it doesn't.
355 (declare (type (vector bar) x))
357 (deftype bar () 'single-float)
358 (assert (eql (foo (make-array 3 :element-type 'bar :initial-element 0.0f0))
362 (quit :unix-status 104)