guile/test-suite/tests/session.test

;;;; session.test --- test suite for (ice-9 session)   -*- scheme -*-
;;;; Jose Antonio Ortega Ruiz <jao@gnu.org> -- August 2010
;;;;
;;;; 	Copyright (C) 2010, 2012, 2013 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 3 of the License, or (at your option) any later version.
;;;;
;;;; This library is distributed in the hope that it will be useful,
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;;;; Lesser General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
;;;; 02110-1301 USA

(define-module (test-suite session)
  #:use-module (test-suite lib)
  #:use-module (ice-9 match)
  #:use-module (system base compile)
  #:use-module (ice-9 session))

(define (find-module mod)
  (call/cc (lambda (k)
             (apropos-fold-all (lambda (m _)
                                 (and (not (module? m)) (k #f))
                                 (and (eq? m mod) (k #t)))
                               #f))))
(define (find-mod-name mod-name)
  (find-module (resolve-module mod-name #f #:ensure #f)))


(with-test-prefix "apropos-fold-all"
  (pass-if "a root module: ice-9" (find-mod-name '(ice-9)))
  (pass-if "a child of test-suite" (find-mod-name '(test-suite lib)))
  (pass-if "a non-module" (not (find-mod-name '(ice-999-0))))
  (pass-if "a childish non-module" (not (find-mod-name '(ice-9 ice-999-0))))
  (pass-if "an anonymous module" (find-mod-name (module-name (make-module)))))

(define (find-interface mod-name)
  (let* ((mod (resolve-module mod-name #f #:ensure #f))
         (ifc (and mod (module-public-interface mod))))
    (and ifc
         (call/cc (lambda (k)
                    (apropos-fold-exported (lambda (i _)
                                             (and (eq? i ifc) (k #t)))
                                           #f))))))

(with-test-prefix "apropos-fold-exported"
  (pass-if "a child of test-suite" (find-interface '(test-suite lib)))
  (pass-if "a child of ice-9" (find-interface '(ice-9 session))))

(with-test-prefix "procedure-arguments"

  (define-syntax-rule (pass-if-valid-arguments name proc expected)
    (pass-if name
      (let ((args (procedure-arguments (compile 'proc #:to 'value))))
        (or (equal? args 'expected)
            (pk 'invalid-args args #f)))))

  (pass-if-valid-arguments "lambda"
    (lambda (a b c) #f)
    ((required . (a b c)) (optional) (keyword)
     (allow-other-keys? . #f) (rest . #f)))
  (pass-if-valid-arguments "lambda with rest"
    (lambda (a b . r) #f)
    ((required . (a b)) (optional) (keyword)
     (allow-other-keys? . #f) (rest . r)))
  (pass-if-valid-arguments "lambda* with optionals"
    (lambda* (a b #:optional (p 1) (q 2)) #f)
    ((required . (a b)) (optional . (p q))
     (keyword) (allow-other-keys? . #f) (rest . #f)))
  (pass-if-valid-arguments "lambda* with keywords"
    (lambda* (a b #:key (k 42) l) #f)
    ((required . (a b)) (optional)
     (keyword . ((#:k . 3) (#:l . 4))) (allow-other-keys? . #f)
     (rest . #f)))
  (pass-if-valid-arguments "lambda* with keywords and a-o-k"
    (lambda* (a b #:key (k 42) #:allow-other-keys) #f)
    ((required . (a b)) (optional)
     (keyword . ((#:k . 3))) (allow-other-keys? . #t)
     (rest . #f)))
  (pass-if-valid-arguments "lambda* with optionals, keys, and rest"
    (lambda* (a b #:optional o p #:key k l #:rest r) #f)
    ((required . (a b)) (optional . (o p))
     (keyword . ((#:k . 6) (#:l . 7))) (allow-other-keys? . #f)
     (rest . r)))

  (pass-if "aok? is preserved"
    ;; See <http://bugs.gnu.org/10938>.
    (let* ((proc (compile '(lambda (a b) #f) #:to 'value))
           (args (procedure-arguments proc)))
      (set-procedure-property! proc 'arglist (map cdr args))
      (equal? args (procedure-arguments proc))))

  (pass-if "interpreted procedures (simple)"
    (match (procedure-arguments
            (eval '(lambda (x y) #f) (current-module)))
      (((required _ _)
        (optional)
        (keyword)
        (allow-other-keys? . #f)
        (rest . #f))
       #t)
      (_ #f)))

  (pass-if "interpreted procedures (complex)"
    (match (procedure-arguments
            (eval '(lambda* (a b #:optional c #:key d) #f) (current-module)))
      (((required _ _)
        (optional _)
        (keyword (#:d . 3))
        (allow-other-keys? . #f)
        (rest . #f))
       #t)
      (_ #f))))

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