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* module/ice-9/boot-9.scm (compose, negate, const): New procedures. * doc/ref/api-procedures.texi (Higher-Order Functions): New node. * test-suite/Makefile.am (SCM_TESTS): Add `tests/procs.test'. * test-suite/tests/procs.test: New file.
48 lines
1.6 KiB
Scheme
48 lines
1.6 KiB
Scheme
;;;; procss.test --- Procedures. -*- mode: scheme; coding: utf-8; -*-
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;;;;
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;;;; Copyright (C) 2010 Free Software Foundation, Inc.
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;;;;
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;;;; This library is free software; you can redistribute it and/or
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;;;; modify it under the terms of the GNU Lesser General Public
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;;;; License as published by the Free Software Foundation; either
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;;;; version 3 of the License, or (at your option) any later version.
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;;;;
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;;;; This library is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;;; Lesser General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU Lesser General Public
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;;;; License along with this library; if not, write to the Free Software
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;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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(define-module (test-procs)
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#:use-module (srfi srfi-1)
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#:use-module (test-suite lib))
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(with-test-prefix "common procedures"
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(pass-if "identity"
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(eq? 'a (identity 'a)))
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(pass-if "const"
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(and (procedure? (const 'a))
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(eq? 'a ((const 'a)))
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(eq? 'a ((const 'a) 'b 'c 'd))))
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(pass-if "negate"
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(and (procedure? (negate number?))
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((negate real?) 'dream)
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((negate odd?) 0)))
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(with-test-prefix "compose"
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(pass-if "identity"
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(eq? 1+ (compose 1+)))
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(pass-if "simple"
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(= 2.0 ((compose sqrt 1+ 1+) 2)))
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(pass-if "multiple values"
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(equal? ((compose zip unzip2) '((1 2) (a b)))
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'((1 2) (a b))))))
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