test-suite/tests/elisp.test

   1 ;;;; elisp.test --- tests guile's elisp support     -*- scheme -*-
   2 ;;;; Copyright (C) 2002, 2003, 2006 Free Software Foundation, Inc.
   3 ;;;;
   4 ;;;; This library is free software; you can redistribute it and/or
   5 ;;;; modify it under the terms of the GNU Lesser General Public
   6 ;;;; License as published by the Free Software Foundation; either
   7 ;;;; version 2.1 of the License, or (at your option) any later version.
   8 ;;;;
   9 ;;;; This library is distributed in the hope that it will be useful,
  10 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 ;;;; Lesser General Public License for more details.
  13 ;;;;
  14 ;;;; You should have received a copy of the GNU Lesser General Public
  15 ;;;; License along with this library; if not, write to the Free Software
  16 ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17
  18 (define-module (test-suite test-elisp)
  19   :use-module (test-suite lib)
  20   :use-module (ice-9 weak-vector))
  21
  22 (define *old-stack-level* (and=> (memq 'stack (debug-options)) cadr))
  23 (if *old-stack-level*
  24     (debug-set! stack (* 2 *old-stack-level*)))
  25
  26 (define *old-%load-should-autocompile* %load-should-autocompile)
  27 (set! %load-should-autocompile #f)
  28
  29 ;;;
  30 ;;; elisp
  31 ;;;
  32
  33 (if (defined? '%nil)
  34
  35     (with-test-prefix "scheme"
  36
  37       (with-test-prefix "nil value is a boolean"
  38
  39         (pass-if "boolean?"
  40           (boolean? %nil))
  41
  42         )
  43
  44       (with-test-prefix "nil value is false"
  45
  46         (pass-if "not"
  47           (eq? (not %nil) #t))
  48
  49         (pass-if "if"
  50           (if %nil #f #t))
  51
  52         (pass-if "and"
  53           (eq? (and %nil #t) #f))
  54
  55         (pass-if "or"
  56           (eq? (or %nil #f) #f))
  57
  58         (pass-if "cond"
  59           (cond (%nil #f) (else #t)))
  60
  61         (pass-if "do"
  62           (call-with-current-continuation
  63             (lambda (exit)
  64               (do ((i 0 (+ i 1)))
  65                   (%nil (exit #f))
  66                 (if (> i 10)
  67                     (exit #t))))))
  68
  69         )
  70
  71       (with-test-prefix "nil value as an empty list"
  72
  73         (pass-if "list?"
  74           (list? %nil))
  75
  76         (pass-if "null?"
  77           (null? %nil))
  78
  79         (pass-if "sort"
  80           (eq? (sort %nil <) %nil))
  81
  82         )
  83
  84       (with-test-prefix "lists formed using nil value"
  85
  86         (pass-if "list?"
  87           (list? (cons 'a %nil)))
  88
  89         (pass-if "length of %nil"
  90           (= (length %nil) 0))
  91
  92         (pass-if "length"
  93           (= (length (cons 'a (cons 'b (cons 'c %nil)))) 3))
  94
  95         (pass-if "length (with backquoted list)"
  96           (= (length `(a b c . ,%nil)) 3))
  97
  98         (pass-if "write (%nil)"
  99           (string=? (with-output-to-string
 100                       (lambda () (write %nil)))
 101                     "#nil"))            ; Hmmm... should be "()" ?
 102
 103         (pass-if "display (%nil)"
 104           (string=? (with-output-to-string
 105                       (lambda () (display %nil)))
 106                     "#nil"))            ; Ditto.
 107
 108         (pass-if "write (list)"
 109           (string=? (with-output-to-string
 110                       (lambda () (write (cons 'a %nil))))
 111                     "(a)"))
 112
 113         (pass-if "display (list)"
 114           (string=? (with-output-to-string
 115                       (lambda () (display (cons 'a %nil))))
 116                     "(a)"))
 117
 118         (pass-if "assq"
 119           (and (equal? (assq 1 `((1 one) (2 two) . ,%nil))
 120                        '(1 one))
 121                (equal? (assq 3 `((1 one) (2 two) . ,%nil))
 122                        #f)))
 123
 124         (pass-if "assv"
 125           (and (equal? (assv 1 `((1 one) (2 two) . ,%nil))
 126                        '(1 one))
 127                (equal? (assv 3 `((1 one) (2 two) . ,%nil))
 128                        #f)))
 129
 130         (pass-if "assoc"
 131           (and (equal? (assoc 1 `((1 one) (2 two) . ,%nil))
 132                        '(1 one))
 133                (equal? (assoc 3 `((1 one) (2 two) . ,%nil))
 134                        #f)))
 135
 136         (pass-if "with-fluids*"
 137           (let ((f (make-fluid))
 138                 (g (make-fluid)))
 139             (with-fluids* (cons f (cons g %nil))
 140                           '(3 4)
 141                           (lambda ()
 142                             (and (eq? (fluid-ref f) 3)
 143                                  (eq? (fluid-ref g) 4))))))
 144
 145         (pass-if "append!"
 146           (let ((a (copy-tree '(1 2 3)))
 147                 (b (copy-tree `(4 5 6 . ,%nil)))
 148                 (c (copy-tree '(7 8 9)))
 149                 (d (copy-tree `(a b c . ,%nil))))
 150             (equal? (append! a b c d)
 151                     `(1 2 3 4 5 6 7 8 9 a b c . ,%nil))))
 152
 153         (pass-if "last-pair"
 154           (equal? (last-pair `(1 2 3 4 5 . ,%nil))
 155                   (cons 5 %nil)))
 156
 157         (pass-if "reverse"
 158           (equal? (reverse `(1 2 3 4 5 . ,%nil))
 159                   '(5 4 3 2 1)))        ; Hmmm... is this OK, or
 160                                         ; should it be
 161                                         ; `(5 4 3 2 1 . ,%nil) ?
 162
 163         (pass-if "reverse!"
 164           (equal? (reverse! (copy-tree `(1 2 3 4 5 . ,%nil)))
 165                   '(5 4 3 2 1)))        ; Ditto.
 166
 167         (pass-if "list-ref"
 168           (eq? (list-ref `(0 1 2 3 4 . ,%nil) 4) 4))
 169
 170         (pass-if-exception "list-ref"
 171           exception:out-of-range
 172           (eq? (list-ref `(0 1 2 3 4 . ,%nil) 6) 6))
 173
 174         (pass-if "list-set!"
 175           (let ((l (copy-tree `(0 1 2 3 4 . ,%nil))))
 176             (list-set! l 4 44)
 177             (= (list-ref l 4) 44)))
 178
 179         (pass-if-exception "list-set!"
 180           exception:out-of-range
 181           (let ((l (copy-tree `(0 1 2 3 4 . ,%nil))))
 182             (list-set! l 6 44)
 183             (= (list-ref l 6) 44)))
 184
 185         (pass-if "list-cdr-set!"
 186           (let ((l (copy-tree `(0 1 2 3 4 . ,%nil))))
 187             (and (begin
 188                    (list-cdr-set! l 4 44)
 189                    (equal? l '(0 1 2 3 4 . 44)))
 190                  (begin
 191                    (list-cdr-set! l 3 `(new . ,%nil))
 192                    (equal? l `(0 1 2 3 new . ,%nil))))))
 193
 194         (pass-if-exception "list-cdr-set!"
 195           exception:out-of-range
 196           (let ((l (copy-tree `(0 1 2 3 4 . ,%nil))))
 197             (list-cdr-set! l 6 44)))
 198
 199         (pass-if "memq"
 200           (equal? (memq 'c `(a b c d . ,%nil)) `(c d . ,%nil)))
 201
 202         (pass-if "memv"
 203           (equal? (memv 'c `(a b c d . ,%nil)) `(c d . ,%nil)))
 204
 205         (pass-if "member"
 206           (equal? (member "c" `("a" "b" "c" "d" . ,%nil)) `("c" "d" . ,%nil)))
 207
 208         (pass-if "list->vector"
 209           (equal? '#(1 2 3) (list->vector `(1 2 3 . ,%nil))))
 210
 211         (pass-if "list->vector"
 212           (equal? '#(1 2 3) (list->vector `(1 2 3 . ,%nil))))
 213
 214         (pass-if "list->weak-vector"
 215           (equal? (weak-vector 1 2 3) (list->weak-vector `(1 2 3 . ,%nil))))
 216
 217         (pass-if "sorted?"
 218           (and (sorted? `(1 2 3 . ,%nil) <)
 219                (not (sorted? `(1 6 3 . ,%nil) <))))
 220
 221         (pass-if "merge"
 222           (equal? (merge '(1 4 7 10)
 223                          (merge `(2 5 8 11 . ,%nil)
 224                                 `(3 6 9 12 . ,%nil)
 225                                 <)
 226                          <)
 227                   `(1 2 3 4 5 6 7 8 9 10 11 12 . ,%nil)))
 228
 229         (pass-if "merge!"
 230           (equal? (merge! (copy-tree '(1 4 7 10))
 231                           (merge! (copy-tree `(2 5 8 11 . ,%nil))
 232                                   (copy-tree `(3 6 9 12 . ,%nil))
 233                                   <)
 234                          <)
 235                   `(1 2 3 4 5 6 7 8 9 10 11 12 . ,%nil)))
 236
 237         (pass-if "sort"
 238           (equal? (sort `(1 5 3 8 4 . ,%nil) <) '(1 3 4 5 8)))
 239
 240         (pass-if "stable-sort"
 241           (equal? (stable-sort `(1 5 3 8 4 . ,%nil) <) '(1 3 4 5 8)))
 242
 243         (pass-if "sort!"
 244           (equal? (sort! (copy-tree `(1 5 3 8 4 . ,%nil)) <)
 245                   '(1 3 4 5 8)))
 246
 247         (pass-if "stable-sort!"
 248           (equal? (stable-sort! (copy-tree `(1 5 3 8 4 . ,%nil)) <)
 249                   '(1 3 4 5 8)))
 250
 251         )
 252
 253       (with-test-prefix "value preservation"
 254
 255         (pass-if "car"
 256           (eq? (car (cons %nil 'a)) %nil))
 257
 258         (pass-if "cdr"
 259           (eq? (cdr (cons 'a %nil)) %nil))
 260
 261         (pass-if "vector-ref"
 262           (eq? (vector-ref (vector %nil) 0) %nil))
 263
 264         )
 265
 266       ))
 267
 268 (if (defined? '%nil)
 269     (use-modules (lang elisp interface)))
 270
 271 (if (defined? '%nil)
 272
 273     (with-test-prefix "elisp"
 274
 275       (define (elisp-pass-if expr expected)
 276         (pass-if (with-output-to-string
 277                   (lambda ()
 278                     (write expr)))
 279                  (let ((calc (with-output-to-string
 280                               (lambda ()
 281                                 (write (eval-elisp expr))))))
 282                    (string=? calc expected))))
 283
 284       (define (elisp-pass-if/maybe-error key expr expected)
 285         (pass-if (with-output-to-string (lambda () (write expr)))
 286                  (string=?
 287                   (catch key
 288                          (lambda ()
 289                            (with-output-to-string
 290                              (lambda () (write (eval-elisp expr)))))
 291                          (lambda (k . args)
 292                            (format (current-error-port)
 293                                    "warning: caught ~a: ~a\n" k args)
 294                            (throw 'unresolved)))
 295                   expected)))
 296
 297       (elisp-pass-if '(and #f) "#f")
 298       (elisp-pass-if '(and #t) "#t")
 299       (elisp-pass-if '(and nil) "#nil")
 300       (elisp-pass-if '(and t) "#t")
 301       (elisp-pass-if '(and) "#t")
 302       (elisp-pass-if '(cond (nil t) (t 3)) "3")
 303       (elisp-pass-if '(cond (nil t) (t)) "#t")
 304       (elisp-pass-if '(cond (nil)) "#nil")
 305       (elisp-pass-if '(cond) "#nil")
 306       (elisp-pass-if '(if #f 'a 'b) "b")
 307       (elisp-pass-if '(if #t 'a 'b) "a")
 308       (elisp-pass-if '(if '() 'a 'b) "b")
 309       (elisp-pass-if '(if nil 'a 'b) "b")
 310       (elisp-pass-if '(if nil 1 2 3 4) "4")
 311       (elisp-pass-if '(if nil 1 2) "2")
 312       (elisp-pass-if '(if nil 1) "#nil")
 313       (elisp-pass-if '(if t 1 2) "1")
 314       (elisp-pass-if '(if t 1) "1")
 315       (elisp-pass-if '(let (a) a) "#nil")
 316       (elisp-pass-if '(let* (a) a) "#nil")
 317       (elisp-pass-if '(let* ((a 1) (b (* a 2))) b) "2")
 318       (elisp-pass-if '(memq '() '(())) "(())")
 319       (elisp-pass-if '(memq '() '(nil)) "(#nil)")
 320       (elisp-pass-if '(memq '() '(t)) "#nil")
 321       (elisp-pass-if '(memq nil '(())) "(())")
 322       (elisp-pass-if '(memq nil '(nil)) "(#nil)")
 323       (elisp-pass-if '(memq nil (list nil)) "(#nil)")
 324       (elisp-pass-if '(null '#f) "#t")
 325       (elisp-pass-if '(null '()) "#t")
 326       (elisp-pass-if '(null 'nil) "#t")
 327       (elisp-pass-if '(null nil) "#t")
 328       (elisp-pass-if '(or 1 2 3) "1")
 329       (elisp-pass-if '(or nil t nil) "#t")
 330       (elisp-pass-if '(or nil) "#nil")
 331       (elisp-pass-if '(or t nil t) "#t")
 332       (elisp-pass-if '(or t) "#t")
 333       (elisp-pass-if '(or) "#nil")
 334       (elisp-pass-if '(prog1 1 2 3) "1")
 335       (elisp-pass-if '(prog2 1 2 3) "2")
 336       (elisp-pass-if '(progn 1 2 3) "3")
 337       (elisp-pass-if '(while nil 1) "#nil")
 338
 339       (elisp-pass-if '(defun testf (x y &optional o &rest r) (list x y o r)) "testf")
 340       (elisp-pass-if '(testf 1 2) "(1 2 #nil #nil)")
 341       (elisp-pass-if '(testf 1 2 3 4 5 56) "(1 2 3 (4 5 56))")
 342       ;; NB `lambda' in Emacs is self-quoting, but that's only after
 343       ;; loading the macro definition of lambda in subr.el.
 344       (elisp-pass-if '(function (lambda (x y &optional o &rest r) (list x y o r))) "(lambda (x y &optional o &rest r) (list x y o r))")
 345       (elisp-pass-if '(funcall (lambda (x y &optional o &rest r) (list x y o r)) 1 2 3 4) "(1 2 3 (4))")
 346
 347       (elisp-pass-if '(apply (lambda (x y &optional o &rest r) (list x y o r)) 1 2 3 nil)
 348                      "(1 2 3 #nil)")
 349
 350       (elisp-pass-if '(setq x 3) "3")
 351       (elisp-pass-if '(defvar x 4) "x")
 352       (elisp-pass-if 'x "3")
 353
 354       ))
 355
 356 (set! %load-should-autocompile *old-%load-should-autocompile*)
 357 (debug-set! stack *old-stack-level*)
 358
 359 ;;; elisp.test ends here