HCoop / bpt / guile.git / blame
| Commit | Line | Data |
|---|---|---|
| 0142d376 AW |
1 | ;;;; bitvectors.test --- tests guile's bitvectors -*- scheme -*- |
| 2 | ;;;; | |
| fb7dd001 | 3 | ;;;; Copyright 2010, 2011, 2013, 2014 Free Software Foundation, Inc. |
| 0142d376 AW |
4 | ;;;; |
| 5 | ;;;; This library is free software; you can redistribute it and/or | |
| 6 | ;;;; modify it under the terms of the GNU Lesser General Public | |
| 7 | ;;;; License as published by the Free Software Foundation; either | |
| 8 | ;;;; version 3 of the License, or (at your option) any later version. | |
| 9 | ;;;; | |
| 10 | ;;;; This library is distributed in the hope that it will be useful, | |
| 11 | ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | ;;;; Lesser General Public License for more details. | |
| 14 | ;;;; | |
| 15 | ;;;; You should have received a copy of the GNU Lesser General Public | |
| 16 | ;;;; License along with this library; if not, write to the Free Software | |
| 17 | ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 18 | ||
| 19 | (define-module (test-suite test-bitvectors) | |
| 20 | #:use-module (test-suite lib)) | |
| 21 | ||
| 22 | ||
| 23 | (with-test-prefix "predicates" | |
| 24 | (pass-if (bitvector? #*1010101010)) | |
| fb7dd001 AW |
25 | (pass-if (array? #*1010101010)) |
| 26 | (pass-if (eq? (array-type #*1010101010) 'b))) | |
| 0142d376 AW |
27 | |
| 28 | ||
| 29 | (with-test-prefix "equality" | |
| 30 | (pass-if (equal? #*1010101 #*1010101)) | |
| 31 | (pass-if (array-equal? #*1010101 #*1010101)) | |
| 32 | ||
| 33 | (pass-if (not (equal? #*10101010 #*1010101))) | |
| 34 | (pass-if (not (array-equal? #*10101010 #*1010101)))) | |
| 35 | ||
| 36 | (with-test-prefix "lists" | |
| 37 | (pass-if (equal? (bitvector->list #*10010) '(#t #f #f #t #f))) | |
| 38 | (pass-if (equal? (array->list #*10010) '(#t #f #f #t #f))) | |
| 0142d376 AW |
39 | (pass-if (equal? #*10010 (list->bitvector '(#t #f #f #t #f))))) |
| 40 | ||
| 41 | (with-test-prefix "ref and set" | |
| fb7dd001 | 42 | (with-test-prefix "as bitvector" |
| 0142d376 AW |
43 | (let ((bv (list->bitvector '(#f #f #t #f #t)))) |
| 44 | (pass-if (eqv? (bitvector-ref bv 0) #f)) | |
| 45 | (pass-if (eqv? (bitvector-ref bv 2) #t)) | |
| 46 | (bitvector-set! bv 0 #t) | |
| 47 | (pass-if (eqv? (bitvector-ref bv 0) #t)))) | |
| 48 | ||
| fb7dd001 | 49 | (with-test-prefix "as array" |
| 0142d376 | 50 | (let ((bv (list->bitvector '(#f #f #t #f #t)))) |
| fb7dd001 AW |
51 | (pass-if (eqv? (array-ref bv 0) #f)) |
| 52 | (pass-if (eqv? (array-ref bv 2) #t)) | |
| 53 | (array-set! bv #t 0) | |
| 54 | (pass-if (eqv? (array-ref bv 0) #t))))) | |
| 0142d376 | 55 | |
| 39c5363b AW |
56 | (with-test-prefix "bit-set*!" |
| 57 | (pass-if "#t" | |
| 58 | (let ((v (bitvector #t #t #f #f))) | |
| 59 | (bit-set*! v #*1010 #t) | |
| 60 | (equal? v #*1110))) | |
| 61 | (pass-if "#f" | |
| 62 | (let ((v (bitvector #t #t #f #f))) | |
| 63 | (bit-set*! v #*1010 #f) | |
| 64 | (equal? v #*0100))) | |
| 65 | (pass-if "#t, shorter" | |
| 66 | (let ((v (bitvector #t #t #f #f))) | |
| 67 | (bit-set*! v #*101 #t) | |
| 68 | (equal? v #*1110))) | |
| 69 | (pass-if "#f, shorter" | |
| 70 | (let ((v (bitvector #t #t #f #f))) | |
| 71 | (bit-set*! v #*101 #f) | |
| 72 | (equal? v #*0100)))) | |
| d40b0538 AW |
73 | |
| 74 | (with-test-prefix "bit-count*" | |
| 75 | (pass-if-equal 3 (bit-count* #*01110111 #*11001101 #t)) | |
| 76 | (pass-if-equal 2 (bit-count* #*01110111 #u32(7 0 4) #f))) |