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* module/rnrs/lists.scm (fold-left): New procedure. * module/rnrs/records/syntactic.scm (define-record-type): Fix to use corrected `fold-left'. * test-suite/tests/r6rs-lists.test: Add tests. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
58 lines
2.1 KiB
Text
58 lines
2.1 KiB
Text
;;; r6rs-lists.test --- Test suite for R6RS (rnrs lists)
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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-suite test-r6rs-lists)
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:use-module ((rnrs lists) :version (6))
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:use-module (test-suite lib))
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(with-test-prefix "memp"
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(pass-if "memp simple"
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(equal? (memp even? '(3 1 4 1 5 9 2 6 5)) '(4 1 5 9 2 6 5))))
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(with-test-prefix "assp"
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(pass-if "assp simple"
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(let ((d '((3 a) (1 b) (4 c))))
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(equal? (assp even? d) '(4 c)))))
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(with-test-prefix "fold-left"
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(pass-if "fold-left sum"
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(equal? (fold-left + 0 '(1 2 3 4 5))
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15))
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(pass-if "fold-left reverse"
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(equal? (fold-left (lambda (a e) (cons e a)) '() '(1 2 3 4 5))
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'(5 4 3 2 1)))
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(pass-if "fold-left max-length"
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(equal? (fold-left (lambda (max-len s)
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(max max-len (string-length s)))
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0
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'("longest" "long" "longer"))
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7))
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(pass-if "fold-left with-cons"
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(equal? (fold-left cons '(q) '(a b c))
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'((((q) . a) . b) . c)))
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(pass-if "fold-left sum-multiple"
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(equal? (fold-left + 0 '(1 2 3) '(4 5 6))
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21))
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(pass-if "fold-left pairlis"
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(equal? (fold-left (lambda (accum e1 e2)
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(cons (cons e1 e2) accum))
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'((d . 4))
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'(a b c)
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'(1 2 3))
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'((c . 3) (b . 2) (a . 1) (d . 4)))))
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