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Diffstat (limited to 'test-suite/tests/bitvectors.test')
-rw-r--r-- | test-suite/tests/bitvectors.test | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/test-suite/tests/bitvectors.test b/test-suite/tests/bitvectors.test new file mode 100644 index 000000000..d9dfa136d --- /dev/null +++ b/test-suite/tests/bitvectors.test @@ -0,0 +1,76 @@ +;;;; bitvectors.test --- tests guile's bitvectors -*- scheme -*- +;;;; +;;;; Copyright 2010, 2011, 2013, 2014 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 (array? #*1010101010)) + (pass-if (eq? (array-type #*1010101010) 'b))) + + +(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? #*10010 (list->bitvector '(#t #f #f #t #f))))) + +(with-test-prefix "ref and set" + (with-test-prefix "as bitvector" + (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 "as array" + (let ((bv (list->bitvector '(#f #f #t #f #t)))) + (pass-if (eqv? (array-ref bv 0) #f)) + (pass-if (eqv? (array-ref bv 2) #t)) + (array-set! bv #t 0) + (pass-if (eqv? (array-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)))) + +(with-test-prefix "bit-count*" + (pass-if-equal 3 (bit-count* #*01110111 #*11001101 #t)) + (pass-if-equal 2 (bit-count* #*01110111 #u32(7 0 4) #f))) |