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guile/test-suite/tests/bitvectors.test
Andy Wingo 8110061e64 bitvector-set-bit! / bitvector-clear-bit! replace bitvector-set!
* NEWS: Add entry.
* doc/ref/api-data.texi (Bit Vectors): Update.
* libguile/array-handle.h (bitvector_set_x, scm_array_get_handle): Adapt
  to bitvector changes.
* libguile/bitvectors.h:
* libguile/bitvectors.c (scm_c_bitvector_set_bit_x)
  (scm_c_bitvector_clear_bit_x): New functions.
* libguile/deprecated.h:
* libguile/deprecated.c (scm_bitvector_set_x): Deprecate.
* module/ice-9/sandbox.scm (mutable-bitvector-bindings): Replace
  bitvector-set! with bitvector-set-bit! / bitvector-clear-bit!.
* module/system/vm/disassembler.scm (static-opcode-set): Use
  bitvector-set-bit!.
* module/system/vm/frame.scm (compute-defs-by-slot, available-bindings):
  Use bitvector-set-bit!.
* test-suite/tests/bitvectors.test: Update.
2020-04-14 22:40:43 +02:00

94 lines
3.5 KiB
Scheme

;;;; bitvectors.test --- tests guile's bitvectors -*- scheme -*-
;;;;
;;;; Copyright 2010, 2011, 2013, 2014, 2020 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-bit-set? bv 0) #f))
(pass-if (eqv? (bitvector-bit-set? bv 2) #t))
(bitvector-set-bit! bv 0)
(pass-if (eqv? (bitvector-bit-set? bv 0) #t))
(pass-if (eqv? (bitvector-bit-clear? bv 0) #f))
(bitvector-clear-bit! bv 0)
(pass-if (eqv? (bitvector-bit-set? bv 0) #f))
(pass-if (eqv? (bitvector-bit-clear? 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 "bitvector-set-bits!"
(pass-if "#t"
(let ((v (bitvector #t #t #f #f)))
(bitvector-set-bits! v #*1010)
(equal? v #*1110)))
(pass-if "#t, shorter"
(let ((v (bitvector #t #t #f #f)))
(bitvector-set-bits! v #*101)
(equal? v #*1110))))
(with-test-prefix "bitvector-clear-bits!"
(pass-if "#f"
(let ((v (bitvector #t #t #f #f)))
(bitvector-clear-bits! v #*1010)
(equal? v #*0100)))
(pass-if "#f, shorter"
(let ((v (bitvector #t #t #f #f)))
(bitvector-clear-bits! v #*101)
(equal? v #*0100))))
(with-test-prefix "bitvector-count"
(pass-if-equal 6 (bitvector-count #*01110111))
(pass-if-equal 2 (let ((bv #*01110111))
(- (bitvector-length bv) (bitvector-count bv)))))
(with-test-prefix "bitvector-position"
(pass-if-equal 0 (bitvector-position #*01110111 #f))
(pass-if-equal 1 (bitvector-position #*01110111 #t))
(pass-if-equal 4 (bitvector-position #*01110111 #f 1))
(pass-if-equal 4 (bitvector-position #*01110111 #f 4))
(pass-if-equal 5 (bitvector-position #*01110111 #t 5))
(pass-if-equal #f (bitvector-position #*01110111 #f 5)))
(with-test-prefix "bit-count*"
(pass-if-equal 3 (bit-count* #*01110111 #*11001101 #t)))