tests/interface.pure.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 (in-package :cl-user)
  15 \f
  16 ;;;; properties of symbols, e.g. presence of doc strings for public symbols
  17
  18 ;;; FIXME: It would probably be good to require here that every
  19 ;;; external symbol either has a doc string or has some good excuse
  20 ;;; (like being an accessor for a structure which has a doc string).
  21 \f
  22 ;;;; tests of interface machinery
  23
  24 ;;; APROPOS should accept a package designator, not just a package, and
  25 ;;; furthermore do the right thing when it gets a package designator.
  26 ;;; (bug reported and fixed by Alexey Dejneka sbcl-devel 2001-10-17)
  27 (assert (< 0
  28            (length (apropos-list "PRINT" :cl))
  29            (length (apropos-list "PRINT"))))
  30 ;;; Further, it should correctly deal with the external-only flag (bug
  31 ;;; reported by cliini on #lisp IRC 2003-05-30, fixed in sbcl-0.8.0.1x
  32 ;;; by CSR)
  33 (assert (= (length (apropos-list "" "CL"))
  34            (length (apropos-list "" "CL" t))))
  35 (assert (< 0
  36            (length (apropos-list "" "SB-VM" t))
  37            (length (apropos-list "" "SB-VM"))))
  38 \f
  39 ;;; DESCRIBE shouldn't fail on rank-0 arrays (bug reported and fixed
  40 ;;; by Lutz Euler sbcl-devel 2002-12-03)
  41 (describe #0a0)
  42 (describe #(1 2 3))
  43 (describe #2a((1 2) (3 4)))
  44
  45 ;;; support for DESCRIBE tests
  46 (defstruct to-be-described a b)
  47 (defclass forward-describe-class (forward-describe-ref) (a))
  48
  49 ;;; DESCRIBE should run without signalling an error.
  50 (describe (make-to-be-described))
  51 (describe 12)
  52 (describe "a string")
  53 (describe 'symbolism)
  54 (describe (find-package :cl))
  55 (describe '(a list))
  56 (describe #(a vector))
  57
  58 ;;; The DESCRIBE-OBJECT methods for built-in CL stuff should do
  59 ;;; FRESH-LINE and TERPRI neatly.
  60 (dolist (i (list (make-to-be-described :a 14) 12 "a string"
  61                  #0a0 #(1 2 3) #2a((1 2) (3 4)) 'sym :keyword
  62                  (find-package :keyword) (list 1 2 3)
  63                  nil (cons 1 2) (make-hash-table)
  64                  (let ((h (make-hash-table)))
  65                    (setf (gethash 10 h) 100
  66                          (gethash 11 h) 121)
  67                    h)
  68                  (make-condition 'simple-error)
  69                  (make-condition 'simple-error :format-control "fc")
  70                  #'car #'make-to-be-described (lambda (x) (+ x 11))
  71                  (constantly 'foo) #'(setf to-be-described-a)
  72                  #'describe-object (find-class 'to-be-described)
  73                  (find-class 'forward-describe-class)
  74                  (find-class 'forward-describe-ref) (find-class 'cons)))
  75   (let ((s (with-output-to-string (s)
  76              (write-char #\x s)
  77              (describe i s))))
  78     (unless (and (char= #\x (char s 0))
  79                  ;; one leading #\NEWLINE from FRESH-LINE or the like, no more
  80                  (char= #\newline (char s 1))
  81                  (char/= #\newline (char s 2))
  82                  ;; one trailing #\NEWLINE from TERPRI or the like, no more
  83                  (let ((n (length s)))
  84                    (and (char= #\newline (char s (- n 1)))
  85                         (char/= #\newline (char s (- n 2))))))
  86       (error "misbehavior in DESCRIBE of ~S" i))))
  87
  88 ;;; TYPEP, SUBTYPEP, UPGRADED-ARRAY-ELEMENT-TYPE and
  89 ;;; UPGRADED-COMPLEX-PART-TYPE should be able to deal with NIL as an
  90 ;;; environment argument
  91 (typep 1 'fixnum nil)
  92 (subtypep 'fixnum 'integer nil)
  93 (upgraded-array-element-type '(mod 5) nil)
  94 (upgraded-complex-part-type '(single-float 0.0 1.0) nil)
  95
  96 ;;; We should have documentation for our extension package:
  97 (assert (documentation (find-package "SB-EXT") t))
  98
  99 ;;; DECLARE should not be a special operator
 100 (assert (not (special-operator-p 'declare)))
 101
 102 ;;; WITH-TIMEOUT should accept more than one form in its body.
 103 (handler-bind ((sb-ext:timeout #'continue))
 104   (sb-ext:with-timeout 3
 105     (sleep 2)
 106     (sleep 2)))
 107
 108 ;;; DOCUMENTATION should return nil, not signal slot-unbound
 109 (documentation 'fixnum 'type)
 110 (documentation 'class 'type)
 111 (documentation (find-class 'class) 'type)
 112
 113 ;;; DECODE-UNIVERSAL-TIME should accept second-resolution time-zones.
 114 (macrolet ((test (ut time-zone list)
 115              (destructuring-bind (sec min hr date mon yr day tz)
 116                  list
 117                `(multiple-value-bind (sec min hr date mon yr day dst tz)
 118                     (decode-universal-time ,ut ,time-zone)
 119                   (declare (ignore dst))
 120                   (assert (= sec ,sec))
 121                   (assert (= min ,min))
 122                   (assert (= hr ,hr))
 123                   (assert (= date ,date))
 124                   (assert (= mon ,mon))
 125                   (assert (= yr ,yr))
 126                   (assert (= day ,day))
 127                   (assert (= tz ,tz))))))
 128   (test (* 86400 365) -1/3600 (1 0 0 1 1 1901 1 -1/3600))
 129   (test (* 86400 365) 0 (0 0 0 1 1 1901 1 0))
 130   (test (* 86400 365) 1/3600 (59 59 23 31 12 1900 0 1/3600)))
 131
 132 ;;; DECODE-UNIVERSAL-TIME shouldn't fail when the time is outside UNIX
 133 ;;; 32-bit time_t and a timezone wasn't passed
 134 (decode-universal-time 0 nil)
 135
 136 ;;; ENCODE-UNIVERSAL-TIME should be able to encode the universal time
 137 ;;; 0 when passed a representation in a timezone where the
 138 ;;; representation of 0 as a decoded time is in 1899.
 139 (encode-universal-time 0 0 23 31 12 1899 1)
 140
 141 ;;; DISASSEMBLE shouldn't fail on purified functions
 142 (disassemble 'cl:+)
 143 (disassemble 'sb-ext:run-program)
 144
 145 ;;; minimal test of GC: see stress-gc.{sh,lisp} for a more
 146 ;;; comprehensive test.
 147 (loop repeat 2
 148       do (compile nil '(lambda (x) x))
 149       do (sb-ext:gc :full t))