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+;;;; procss.test --- Procedures. -*- mode: scheme; coding: utf-8; -*-
+;;;;
+;;;; 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-procs)
+ #:use-module (srfi srfi-1)
+ #:use-module (test-suite lib))
+
+(with-test-prefix "common procedures"
+
+ (pass-if "identity"
+ (eq? 'a (identity 'a)))
+
+ (pass-if "const"
+ (and (procedure? (const 'a))
+ (eq? 'a ((const 'a)))
+ (eq? 'a ((const 'a) 'b 'c 'd))))
+
+ (pass-if "negate"
+ (and (procedure? (negate number?))
+ ((negate real?) 'dream)
+ ((negate odd?) 0)))
+
+ (with-test-prefix "compose"
+
+ (pass-if "identity"
+ (eq? 1+ (compose 1+)))
+
+ (pass-if "simple"
+ (= 2.0 ((compose sqrt 1+ 1+) 2)))
+
+ (pass-if "multiple values"
+ (equal? ((compose zip unzip2) '((1 2) (a b)))
+ '((1 2) (a b))))))