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;;;; bitvectors.test --- tests guile's bitvectors -*- scheme -*-
;;;;
;;;; Copyright 2010, 2011 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-bitvectors)
#:use-module (test-suite lib))
(with-test-prefix "predicates"
(pass-if (bitvector? #*1010101010))
(pass-if (generalized-vector? #*1010101010))
(pass-if (uniform-vector? #*1010101010))
(pass-if (array? #*1010101010)))
(with-test-prefix "equality"
(pass-if (equal? #*1010101 #*1010101))
(pass-if (array-equal? #*1010101 #*1010101))
(pass-if (not (equal? #*10101010 #*1010101)))
(pass-if (not (array-equal? #*10101010 #*1010101))))
(with-test-prefix "lists"
(pass-if (equal? (bitvector->list #*10010) '(#t #f #f #t #f)))
(pass-if (equal? (array->list #*10010) '(#t #f #f #t #f)))
(pass-if (equal? (uniform-vector->list #*10010) '(#t #f #f #t #f)))
(pass-if (equal? #*10010 (list->bitvector '(#t #f #f #t #f)))))
(with-test-prefix "ref and set"
(with-test-prefix "bv"
(let ((bv (list->bitvector '(#f #f #t #f #t))))
(pass-if (eqv? (bitvector-ref bv 0) #f))
(pass-if (eqv? (bitvector-ref bv 2) #t))
(bitvector-set! bv 0 #t)
(pass-if (eqv? (bitvector-ref bv 0) #t))))
(with-test-prefix "uv"
(let ((bv (list->bitvector '(#f #f #t #f #t))))
(pass-if (eqv? (uniform-vector-ref bv 0) #f))
(pass-if (eqv? (uniform-vector-ref bv 2) #t))
(uniform-vector-set! bv 0 #t)
(pass-if (eqv? (uniform-vector-ref bv 0) #t)))))
(with-test-prefix "bit-set*!"
(pass-if "#t"
(let ((v (bitvector #t #t #f #f)))
(bit-set*! v #*1010 #t)
(equal? v #*1110)))
(pass-if "#f"
(let ((v (bitvector #t #t #f #f)))
(bit-set*! v #*1010 #f)
(equal? v #*0100)))
(pass-if "#t, shorter"
(let ((v (bitvector #t #t #f #f)))
(bit-set*! v #*101 #t)
(equal? v #*1110)))
(pass-if "#f, shorter"
(let ((v (bitvector #t #t #f #f)))
(bit-set*! v #*101 #f)
(equal? v #*0100))))
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