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
  87 ;;; DESCRIBE should run without signalling an error.
  88 (describe (make-to-be-described))
  89 (describe 12)
  90 (describe "a string")
  91 (describe 'symbolism)
  92 (describe (find-package :cl))
  93 (describe '(a list))
  94 (describe #(a vector))
  95
  96 ;;; The DESCRIBE-OBJECT methods for built-in CL stuff should do
  97 ;;; FRESH-LINE and TERPRI neatly.
  98 (dolist (i (list (make-to-be-described :a 14) 12 "a string"
  99                  #0a0 #(1 2 3) #2a((1 2) (3 4)) 'sym :keyword
 100                  (find-package :keyword) (list 1 2 3)
 101                  nil (cons 1 2) (make-hash-table)
 102                  (let ((h (make-hash-table)))
 103                    (setf (gethash 10 h) 100
 104                          (gethash 11 h) 121)
 105                    h)
 106                  (make-condition 'simple-error)
 107                  (make-condition 'simple-error :format-control "fc")
 108                  #'car #'make-to-be-described (lambda (x) (+ x 11))
 109                  (constantly 'foo) #'(setf to-be-described-a)
 110                  #'describe-object (find-class 'to-be-described)
 111                  (find-class 'forward-describe-class)
 112                  (find-class 'forward-describe-ref) (find-class 'cons)))
 113   (let ((s (with-output-to-string (s)
 114              (write-char #\x s)
 115              (describe i s))))
 116     (macrolet ((check (form)
 117                  `(or ,form
 118                       (error "misbehavior in DESCRIBE of ~S:~%   ~S" i ',form))))
 119       (check (char= #\x (char s 0)))
 120       ;; one leading #\NEWLINE from FRESH-LINE or the like, no more
 121       (check (char= #\newline (char s 1)))
 122       (check (char/= #\newline (char s 2)))
 123       ;; one trailing #\NEWLINE from TERPRI or the like, no more
 124       (let ((n (length s)))
 125         (check (char= #\newline (char s (- n 1))))
 126         (check (char/= #\newline (char s (- n 2))))))))
 127
 128 \f
 129 ;;; Tests of documentation on types and classes
 130 (defclass foo ()
 131   ()
 132   (:documentation "FOO"))
 133 (defstruct bar "BAR")
 134 (define-condition baz ()
 135   ()
 136   (:documentation "BAZ"))
 137 (deftype quux ()
 138   "QUUX"
 139   't)
 140 (defstruct (frob (:type vector)) "FROB")
 141 (macrolet
 142     ((do-class (name expected &optional structurep)
 143        `(progn
 144          (assert (string= (documentation ',name 'type) ,expected))
 145          (assert (string= (documentation (find-class ',name) 'type) ,expected))
 146          (assert (string= (documentation (find-class ',name) 't) ,expected))
 147          ,@(when structurep
 148             `((assert (string= (documentation ',name 'structure) ,expected))))
 149          (let ((new1 (symbol-name (gensym "NEW1")))
 150                (new2 (symbol-name (gensym "NEW2")))
 151                (new3 (symbol-name (gensym "NEW3")))
 152                (new4 (symbol-name (gensym "NEW4"))))
 153            (declare (ignorable new4))
 154            (setf (documentation ',name 'type) new1)
 155            (assert (string= (documentation (find-class ',name) 'type) new1))
 156            (setf (documentation (find-class ',name) 'type) new2)
 157            (assert (string= (documentation (find-class ',name) 't) new2))
 158            (setf (documentation (find-class ',name) 't) new3)
 159            (assert (string= (documentation ',name 'type) new3))
 160            ,@(when structurep
 161               `((assert (string= (documentation ',name 'structure) new3))
 162                 (setf (documentation ',name 'structure) new4)
 163                 (assert (string= (documentation ',name 'structure) new4))))))))
 164   (do-class foo "FOO")
 165   (do-class bar "BAR" t)
 166   (do-class baz "BAZ"))
 167
 168 (assert (string= (documentation 'quux 'type) "QUUX"))
 169 (setf (documentation 'quux 'type) "NEW4")
 170 (assert (string= (documentation 'quux 'type) "NEW4"))
 171
 172 (assert (string= (documentation 'frob 'structure) "FROB"))
 173 (setf (documentation 'frob 'structure) "NEW5")
 174 (assert (string= (documentation 'frob 'structure) "NEW5"))
 175
 176 (define-compiler-macro cmacro (x)
 177   "compiler macro"
 178   x)
 179
 180 (define-compiler-macro (setf cmacro) (y x)
 181   "setf compiler macro"
 182   y)
 183
 184 (with-test (:name (documentation compiler-macro))
 185   (unless (equal "compiler macro"
 186                  (documentation 'cmacro 'compiler-macro))
 187     (error "got ~S for cmacro"
 188            (documentation 'cmacro 'compiler-macro)))
 189   (unless (equal "setf compiler macro"
 190                  (documentation '(setf cmacro) 'compiler-macro))
 191     (error "got ~S for setf macro" (documentation '(setf cmacro) 'compiler-macro))))
 192
 193 (with-test (:name (documentation lambda))
 194   (let ((f (lambda () "aos the zos" t))
 195         (g (sb-int:named-lambda fii () "zoot the fruit" t)))
 196     (dolist (doc-type '(t function))
 197       (assert (string= (documentation f doc-type) "aos the zos"))
 198       (assert (string= (documentation g doc-type) "zoot the fruit")))
 199     (setf (documentation f t) "fire")
 200     (assert (string= (documentation f t) "fire"))
 201     (assert (string= (documentation g t) "zoot the fruit"))))
 202
 203 (with-test (:name (documentation flet))
 204   (assert
 205    (string= (documentation
 206              (flet ((quux (x)
 207                       "this is FLET quux"
 208                       (/ x 2)))
 209                #'quux)
 210              t)
 211             "this is FLET quux")))
 212
 213 (with-test (:name (documentation labels))
 214   (assert
 215    (string= (documentation
 216              (labels ((rec (x)
 217                         "this is LABELS rec"
 218                         (if (plusp x)
 219                             (* x (rec (1- x)))
 220                             1)))
 221                #'rec)
 222              t)
 223             "this is LABELS rec")))
 224
 225 (let ((x 1))
 226   (defun docfoo (y)
 227     "bar"
 228     (incf x y)))
 229
 230 (with-test (:name (documentation closure))
 231   (assert (string= (documentation 'docfoo 'function) "bar"))
 232   (assert (string= (documentation #'docfoo t) "bar"))
 233   (assert (string= (setf (documentation 'docfoo 'function) "baz") "baz"))
 234   (assert (string= (documentation 'docfoo 'function) "baz"))
 235   (assert (string= (documentation #'docfoo t) "baz")))
 236
 237 #+sb-doc
 238 (with-test (:name (documentation built-in-macro))
 239   (assert (documentation 'trace 'function)))
 240
 241 #+sb-doc
 242 (with-test (:name (documentation built-in-function))
 243   (assert (documentation 'cons 'function)))
 244
 245 (with-test (:name :describe-generic-function-with-assumed-type)
 246   ;; Signalled an error at one point
 247   (flet ((zoo () (gogo)))
 248     (defmethod gogo () nil)
 249     (describe 'gogo)))
 250 \f
 251 ;;;; success