guile/test-suite/tests/curried-definitions.test

;;;; curried-definitions.test          -*- scheme -*-
;;;; Copyright (C) 2010  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 test-curried-definitions)
  #:use-module (test-suite lib)
  #:use-module (ice-9 curried-definitions))

(with-test-prefix "define"
  (pass-if "define works as usual"
    (equal? 34
            (primitive-eval '(let ()
                               (define (foo)
                                 34)
                               (foo)))))
  (pass-if "define works as usual (2)"
    (equal? 134
            (primitive-eval '(let ()
                               (define (foo x)
                                 (+ x 34))
                               (foo 100)))))
  (pass-if "currying once"
    (equal? 234
            (primitive-eval '(let ()
                               (define ((foo) x)
                                 (+ x 34))
                               ((foo) 200)))))
  (pass-if "currying twice"
    (equal? 334
            (primitive-eval '(let ()
                               (define (((foo)) x)
                                 (+ x 34))
                               (((foo)) 300)))))

  (pass-if "just a value"
    (equal? 444
            (primitive-eval '(let ()
                               (define foo 444)
                               foo))))

  (pass-if "docstring"
    (equal? "Doc"
            (primitive-eval '(let ()
                               (define (((foo a) b c) d)
                                 "Doc"
                                 42)
                               (procedure-documentation foo)))))

  (pass-if "define-public"
    (eqv? 6
          (primitive-eval '(let ()
                             (define-public (((f a) b) c)
                               (+ a b c))
                             (((f 1) 2) 3)))))

  ;; FIXME: how to test for define-public actually making
  ;; a public binding?

  (pass-if "define-public and docstring"
    (equal? "Addition curried."
            (primitive-eval '(let ()
                               (define-public (((f a) b) c)
                                 "Addition curried."
                                 (+ a b c))
                               (procedure-documentation f))))))

(with-test-prefix "define*"
  (pass-if "define* works as usual"
    (equal? 34
            (primitive-eval '(let ()
                               (define* (foo)
                                 34)
                               (foo)))))
  (pass-if "define* works as usual (2)"
    (equal? 134
            (primitive-eval '(let ()
                               (define* (foo x)
                                 (+ x 34))
                               (foo 100)))))
  (pass-if "currying once"
    (equal? 234
            (primitive-eval '(let ()
                               (define* ((foo) x)
                                 (+ x 34))
                               ((foo) 200)))))
  (pass-if "currying twice"
    (equal? 334
            (primitive-eval '(let ()
                               (define* (((foo)) x)
                                 (+ x 34))
                               (((foo)) 300)))))

  (pass-if "just a value"
    (equal? 444
            (primitive-eval '(let ()
                               (define* foo 444)
                               foo))))
  (pass-if "docstring"
    (equal? "Doc"
            (primitive-eval '(let ()
                               (define* (((f a) b c) #:optional d)
                                 "Doc"
                                 42)
                               (procedure-documentation f)))))

  (pass-if "define*-public"
    (eqv? 6
          (primitive-eval '(let ()
                             (define*-public (((f a) b) #:optional c)
                               (+ a b c))
                             (((f 1) 2) 3)))))

  (pass-if "define*-public and docstring"
    (equal? "Addition curried."
            (primitive-eval '(let ()
                               (define*-public (((f a) b) #:key (c 3))
                                 "Addition curried."
                                 (+ a b c))
                               (procedure-documentation f))))))