tests/interface.impure.lisp

   1 ;;;; tests for problems in the interface presented to the user/programmer
   2
   3 ;;;; This software is part of the SBCL system. See the README file for
   4 ;;;; more information.
   5 ;;;;
   6 ;;;; While most of SBCL is derived from the CMU CL system, the test
   7 ;;;; files (like this one) were written from scratch after the fork
   8 ;;;; from CMU CL.
   9 ;;;;
  10 ;;;; This software is in the public domain and is provided with
  11 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
  12 ;;;; more information.
  13
  14 (load "assertoid.lisp")
  15 (load "test-util.lisp")
  16 (use-package "ASSERTOID")
  17 (use-package "TEST-UTIL")
  18
  19 (defun (setf foo) (x)
  20   "(setf foo) documentation"
  21   x)
  22
  23 (assert (string= (documentation '(setf foo) 'function)
  24                  "(setf foo) documentation"))
  25 (assert (string= (documentation #'(setf foo) 'function)
  26                  "(setf foo) documentation"))
  27
  28 (assert (string= (documentation '(setf foo) 'function)
  29                  "(setf foo) documentation"))
  30 (assert (string= (documentation #'(setf foo) 'function)
  31                  "(setf foo) documentation"))
  32 \f
  33 ;;; DISASSEMBLE shouldn't fail on closures or unpurified functions
  34 (defun disassemble-fun (x) x)
  35 (disassemble 'disassemble-fun)
  36
  37 (let ((x 1)) (defun disassemble-closure (y) (if y (setq x y) x)))
  38 (disassemble 'disassemble-closure)
  39
  40 #+sb-eval
  41 (progn
  42   ;; Nor should it fail on interpreted functions
  43   (let ((sb-ext:*evaluator-mode* :interpret))
  44     (eval `(defun disassemble-eval (x) x))
  45     (disassemble 'disassemble-eval))
  46
  47   ;; disassemble-eval should still be an interpreted function.
  48   ;; clhs disassemble: "(If that function is an interpreted function,
  49   ;; it is first compiled but the result of this implicit compilation
  50   ;; is not installed.)"
  51   (assert (sb-eval:interpreted-function-p #'disassemble-eval)))
  52
  53 ;; nor should it fail on generic functions or other funcallable instances
  54 (defgeneric disassemble-generic (x))
  55 (disassemble 'disassemble-generic)
  56 (let ((fin (sb-mop:make-instance 'sb-mop:funcallable-standard-object)))
  57   (disassemble fin))
  58
  59 ;;; while we're at it, much the same applies to
  60 ;;; FUNCTION-LAMBDA-EXPRESSION:
  61 (defun fle-fun (x) x)
  62 (function-lambda-expression #'fle-fun)
  63
  64 (let ((x 1)) (defun fle-closure (y) (if y (setq x y) x)))
  65 (function-lambda-expression #'fle-closure)
  66
  67 #+sb-eval
  68 (progn
  69   ;; Nor should it fail on interpreted functions
  70   (let ((sb-ext:*evaluator-mode* :interpret))
  71     (eval `(defun fle-eval (x) x))
  72     (function-lambda-expression #'fle-eval))
  73
  74   ;; fle-eval should still be an interpreted function.
  75   (assert (sb-eval:interpreted-function-p #'fle-eval)))
  76
  77 ;; nor should it fail on generic functions or other funcallable instances
  78 (defgeneric fle-generic (x))
  79 (function-lambda-expression #'fle-generic)
  80 (let ((fin (sb-mop:make-instance 'sb-mop:funcallable-standard-object)))
  81   (function-lambda-expression fin))
  82 \f
  83 ;;; support for DESCRIBE tests
  84 (defstruct to-be-described a b)
  85 (defclass forward-describe-class (forward-describe-ref) (a))
  86 (let ((sb-ext:*evaluator-mode* :compile))
  87   (eval `(let (x) (defun closure-to-describe () (incf x)))))
  88
  89 ;;; DESCRIBE should run without signalling an error.
  90 (with-test (:name (describe :no-error))
  91   (describe (make-to-be-described))
  92   (describe 12)
  93   (describe "a string")
  94   (describe 'symbolism)
  95   (describe (find-package :cl))
  96   (describe '(a list))
  97   (describe #(a vector))
  98 ;; bug 824974
  99   (describe 'closure-to-describe))
 100
 101 ;;; The DESCRIBE-OBJECT methods for built-in CL stuff should do
 102 ;;; FRESH-LINE and TERPRI neatly.
 103 (dolist (i (list (make-to-be-described :a 14) 12 "a string"
 104                  #0a0 #(1 2 3) #2a((1 2) (3 4)) 'sym :keyword
 105                  (find-package :keyword) (list 1 2 3)
 106                  nil (cons 1 2) (make-hash-table)
 107                  (let ((h (make-hash-table)))
 108                    (setf (gethash 10 h) 100
 109                          (gethash 11 h) 121)
 110                    h)
 111                  (make-condition 'simple-error)
 112                  (make-condition 'simple-error :format-control "fc")
 113                  #'car #'make-to-be-described (lambda (x) (+ x 11))
 114                  (constantly 'foo) #'(setf to-be-described-a)
 115                  #'describe-object (find-class 'to-be-described)
 116                  (find-class 'forward-describe-class)
 117                  (find-class 'forward-describe-ref) (find-class 'cons)))
 118   (let ((s (with-output-to-string (s)
 119              (write-char #\x s)
 120              (describe i s))))
 121     (macrolet ((check (form)
 122                  `(or ,form
 123                       (error "misbehavior in DESCRIBE of ~S:~%   ~S" i ',form))))
 124       (check (char= #\x (char s 0)))
 125       ;; one leading #\NEWLINE from FRESH-LINE or the like, no more
 126       (check (char= #\newline (char s 1)))
 127       (check (char/= #\newline (char s 2)))
 128       ;; one trailing #\NEWLINE from TERPRI or the like, no more
 129       (let ((n (length s)))
 130         (check (char= #\newline (char s (- n 1))))
 131         (check (char/= #\newline (char s (- n 2))))))))
 132
 133 \f
 134 ;;; Tests of documentation on types and classes
 135 (defclass foo ()
 136   ()
 137   (:documentation "FOO"))
 138 (defstruct bar "BAR")
 139 (define-condition baz ()
 140   ()
 141   (:documentation "BAZ"))
 142 (deftype quux ()
 143   "QUUX"
 144   't)
 145 (defstruct (frob (:type vector)) "FROB")
 146 (macrolet
 147     ((do-class (name expected &optional structurep)
 148        `(progn
 149          (assert (string= (documentation ',name 'type) ,expected))
 150          (assert (string= (documentation (find-class ',name) 'type) ,expected))
 151          (assert (string= (documentation (find-class ',name) 't) ,expected))
 152          ,@(when structurep
 153             `((assert (string= (documentation ',name 'structure) ,expected))))
 154          (let ((new1 (symbol-name (gensym "NEW1")))
 155                (new2 (symbol-name (gensym "NEW2")))
 156                (new3 (symbol-name (gensym "NEW3")))
 157                (new4 (symbol-name (gensym "NEW4"))))
 158            (declare (ignorable new4))
 159            (setf (documentation ',name 'type) new1)
 160            (assert (string= (documentation (find-class ',name) 'type) new1))
 161            (setf (documentation (find-class ',name) 'type) new2)
 162            (assert (string= (documentation (find-class ',name) 't) new2))
 163            (setf (documentation (find-class ',name) 't) new3)
 164            (assert (string= (documentation ',name 'type) new3))
 165            ,@(when structurep
 166               `((assert (string= (documentation ',name 'structure) new3))
 167                 (setf (documentation ',name 'structure) new4)
 168                 (assert (string= (documentation ',name 'structure) new4))))))))
 169   (do-class foo "FOO")
 170   (do-class bar "BAR" t)
 171   (do-class baz "BAZ"))
 172
 173 (assert (string= (documentation 'quux 'type) "QUUX"))
 174 (setf (documentation 'quux 'type) "NEW4")
 175 (assert (string= (documentation 'quux 'type) "NEW4"))
 176
 177 (assert (string= (documentation 'frob 'structure) "FROB"))
 178 (setf (documentation 'frob 'structure) "NEW5")
 179 (assert (string= (documentation 'frob 'structure) "NEW5"))
 180
 181 (define-compiler-macro cmacro (x)
 182   "compiler macro"
 183   x)
 184
 185 (define-compiler-macro (setf cmacro) (y x)
 186   "setf compiler macro"
 187   y)
 188
 189 (with-test (:name (documentation compiler-macro))
 190   (unless (equal "compiler macro"
 191                  (documentation 'cmacro 'compiler-macro))
 192     (error "got ~S for cmacro"
 193            (documentation 'cmacro 'compiler-macro)))
 194   (unless (equal "setf compiler macro"
 195                  (documentation '(setf cmacro) 'compiler-macro))
 196     (error "got ~S for setf macro" (documentation '(setf cmacro) 'compiler-macro))))
 197
 198 (with-test (:name (documentation lambda))
 199   (let ((f (lambda () "aos the zos" t))
 200         (g (sb-int:named-lambda fii () "zoot the fruit" t)))
 201     (dolist (doc-type '(t function))
 202       (assert (string= (documentation f doc-type) "aos the zos"))
 203       (assert (string= (documentation g doc-type) "zoot the fruit")))
 204     (setf (documentation f t) "fire")
 205     (assert (string= (documentation f t) "fire"))
 206     (assert (string= (documentation g t) "zoot the fruit"))))
 207
 208 (with-test (:name (documentation flet))
 209   (assert
 210    (string= (documentation
 211              (flet ((quux (x)
 212                       "this is FLET quux"
 213                       (/ x 2)))
 214                #'quux)
 215              t)
 216             "this is FLET quux")))
 217
 218 (with-test (:name (documentation labels))
 219   (assert
 220    (string= (documentation
 221              (labels ((rec (x)
 222                         "this is LABELS rec"
 223                         (if (plusp x)
 224                             (* x (rec (1- x)))
 225                             1)))
 226                #'rec)
 227              t)
 228             "this is LABELS rec")))
 229
 230 (let ((x 1))
 231   (defun docfoo (y)
 232     "bar"
 233     (incf x y)))
 234
 235 (with-test (:name (documentation closure))
 236   (assert (string= (documentation 'docfoo 'function) "bar"))
 237   (assert (string= (documentation #'docfoo t) "bar"))
 238   (assert (string= (setf (documentation 'docfoo 'function) "baz") "baz"))
 239   (assert (string= (documentation 'docfoo 'function) "baz"))
 240   (assert (string= (documentation #'docfoo t) "bar"))
 241   (assert (string= (setf (documentation #'docfoo t) "zot") "zot"))
 242   (assert (string= (documentation #'docfoo t) "zot"))
 243   (assert (string= (documentation 'docfoo 'function) "baz"))
 244   (assert (not (setf (documentation 'docfoo 'function) nil)))
 245   (assert (string= (documentation 'docfoo 'function) "zot")))
 246
 247 (with-test (:name (documentation built-in-macro) :skipped-on '(not :sb-doc))
 248   (assert (documentation 'trace 'function)))
 249
 250 (with-test (:name (documentation built-in-function) :skipped-on '(not :sb-doc))
 251   (assert (documentation 'cons 'function)))
 252
 253 (with-test (:name :describe-generic-function-with-assumed-type)
 254   ;; Signalled an error at one point
 255   (flet ((zoo () (gogo)))
 256     (defmethod gogo () nil)
 257     (describe 'gogo)))
 258
 259 (defmacro bug-643958-test ()
 260   "foo"
 261   :ding!)
 262
 263 (with-test (:name :bug-643958)
 264   (assert (equal "foo" (documentation 'bug-643958-test 'function)))
 265   (setf (documentation 'bug-643958-test 'function) "bar")
 266   (assert (equal "bar" (documentation 'bug-643958-test 'function))))
 267
 268 (defclass cannot-print-this ()
 269   ())
 270 (defmethod print-object ((oops cannot-print-this) stream)
 271   (error "No go!"))
 272 (with-test (:name :describe-suppresses-print-errors)
 273   (handler-bind ((error #'continue))
 274     (with-output-to-string (s)
 275       (describe (make-instance 'cannot-print-this) s))))
 276 (with-test (:name :backtrace-suppresses-print-errors)
 277   (handler-bind ((error #'continue))
 278     (with-output-to-string (s)
 279       (labels ((foo (n x)
 280                  (when (plusp n)
 281                    (foo (1- n) x))
 282                  (when (zerop n)
 283                    (sb-debug:backtrace 100 s))))
 284         (foo 100 (make-instance 'cannot-print-this))))))
 285 (with-test (:name :backtrace-and-circles)
 286   (handler-bind ((error #'continue))
 287     (with-output-to-string (s)
 288       (labels ((foo (n x)
 289                  (when (plusp n)
 290                    (foo (1- n) x))
 291                  (when (zerop n)
 292                    (sb-debug:backtrace 100 s))))
 293         (foo 100 (let ((list (list t)))
 294                    (nconc list list)))))))
 295
 296 (with-test (:name :endianness-in-features)
 297   (assert
 298    (or (member :big-endian *features*)
 299        (member :little-endian *features*))))
 300 \f
 301 ;;;; success