test-suite/tests/procs.test

   1 ;;;; procss.test --- Procedures.      -*- mode: scheme; coding: utf-8; -*-
   2 ;;;;
   3 ;;;;    Copyright (C) 2010 Free Software Foundation, Inc.
   4 ;;;;
   5 ;;;; This library is free software; you can redistribute it and/or
   6 ;;;; modify it under the terms of the GNU Lesser General Public
   7 ;;;; License as published by the Free Software Foundation; either
   8 ;;;; version 3 of the License, or (at your option) any later version.
   9 ;;;;
  10 ;;;; This library is distributed in the hope that it will be useful,
  11 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 ;;;; Lesser General Public License for more details.
  14 ;;;;
  15 ;;;; You should have received a copy of the GNU Lesser General Public
  16 ;;;; License along with this library; if not, write to the Free Software
  17 ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  18
  19 (define-module (test-procs)
  20   #:use-module (srfi srfi-1)
  21   #:use-module (test-suite lib))
  22
  23 (with-test-prefix "common procedures"
  24
  25   (pass-if "identity"
  26     (eq? 'a (identity 'a)))
  27
  28   (pass-if "const"
  29     (and (procedure? (const 'a))
  30          (eq? 'a ((const 'a)))
  31          (eq? 'a ((const 'a) 'b 'c 'd))))
  32
  33   (pass-if "negate"
  34     (and (procedure? (negate number?))
  35          ((negate real?) 'dream)
  36          ((negate odd?) 0)))
  37
  38   (with-test-prefix "compose"
  39
  40     (pass-if "identity"
  41       (eq? 1+ (compose 1+)))
  42
  43     (pass-if "simple"
  44       (= 2.0 ((compose sqrt 1+ 1+) 2)))
  45
  46     (pass-if "multiple values"
  47       (equal? ((compose zip unzip2) '((1 2) (a b)))
  48               '((1 2) (a b))))))