diff options
-rw-r--r-- | test-suite/ChangeLog | 4 | ||||
-rw-r--r-- | test-suite/tests/bit-operations.test | 352 |
2 files changed, 356 insertions, 0 deletions
diff --git a/test-suite/ChangeLog b/test-suite/ChangeLog index 71eab5aba..1d2706aca 100644 --- a/test-suite/ChangeLog +++ b/test-suite/ChangeLog @@ -1,3 +1,7 @@ +2001-01-17 Dirk Herrmann <D.Herrmann@tu-bs.de> + + * tests/bit-operations.test: Added. + 2000-11-03 Dirk Herrmann <D.Herrmann@tu-bs.de> * tests/gc.test: Added. diff --git a/test-suite/tests/bit-operations.test b/test-suite/tests/bit-operations.test new file mode 100644 index 000000000..469d63073 --- /dev/null +++ b/test-suite/tests/bit-operations.test @@ -0,0 +1,352 @@ +;;;; bit-operations.test --- bitwise operations on numbers -*- scheme -*- +;;;; Copyright (C) 2000 Free Software Foundation, Inc. +;;;; +;;;; This program is free software; you can redistribute it and/or modify +;;;; it under the terms of the GNU General Public License as published by +;;;; the Free Software Foundation; either version 2, or (at your option) +;;;; any later version. +;;;; +;;;; This program 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 General Public License for more details. +;;;; +;;;; You should have received a copy of the GNU General Public License +;;;; along with this software; see the file COPYING. If not, write to +;;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330, +;;;; Boston, MA 02111-1307 USA +;;;; +;;;; As a special exception, the Free Software Foundation gives permission +;;;; for additional uses of the text contained in its release of GUILE. +;;;; +;;;; The exception is that, if you link the GUILE library with other files +;;;; to produce an executable, this does not by itself cause the +;;;; resulting executable to be covered by the GNU General Public License. +;;;; Your use of that executable is in no way restricted on account of +;;;; linking the GUILE library code into it. +;;;; +;;;; This exception does not however invalidate any other reasons why +;;;; the executable file might be covered by the GNU General Public License. +;;;; +;;;; This exception applies only to the code released by the +;;;; Free Software Foundation under the name GUILE. If you copy +;;;; code from other Free Software Foundation releases into a copy of +;;;; GUILE, as the General Public License permits, the exception does +;;;; not apply to the code that you add in this way. To avoid misleading +;;;; anyone as to the status of such modified files, you must delete +;;;; this exception notice from them. +;;;; +;;;; If you write modifications of your own for GUILE, it is your choice +;;;; whether to permit this exception to apply to your modifications. +;;;; If you do not wish that, delete this exception notice. + +(use-modules (ice-9 documentation)) + + +;;; +;;; miscellaneous +;;; + +(define (run-tests name-proc test-proc arg-sets) + (for-each + (lambda (arg-set) + (pass-if (apply name-proc arg-set) + (apply test-proc arg-set))) + arg-sets)) + +(define (documented? object) + (object-documentation object)) + +(define fixnum-bit 30) +(define fixnum-min most-negative-fixnum) +(define fixnum-max most-positive-fixnum) + +(with-test-prefix "bit-extract" + + (pass-if "documented?" + (documented? bit-extract)) + + (with-test-prefix "extract from zero" + + (run-tests + (lambda (a b c d) + (string-append "single bit " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list 0 0 1 0) + (list 0 1 2 0) + (list 0 (+ fixnum-bit -2) (+ fixnum-bit -1) 0) + (list 0 (+ fixnum-bit -1) (+ fixnum-bit 0) 0) + (list 0 (+ fixnum-bit 0) (+ fixnum-bit 1) 0) + (list 0 (+ fixnum-bit 1) (+ fixnum-bit 2) 0))) + + (run-tests + (lambda (a b c d) + (string-append "fixnum-bit - 1 bits starting at " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list 0 0 (+ fixnum-bit -1) 0) + (list 0 1 (+ fixnum-bit 0) 0) + (list 0 2 (+ fixnum-bit 1) 0) + (list 0 (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -3) 0) + (list 0 (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -2) 0) + (list 0 (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit -1) 0) + (list 0 (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 0) 0))) + + (run-tests + (lambda (a b c d) + (string-append "fixnum-bit bits starting at " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list 0 0 (+ fixnum-bit 0) 0) + (list 0 1 (+ fixnum-bit 1) 0) + (list 0 2 (+ fixnum-bit 2) 0) + (list 0 (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -2) 0) + (list 0 (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -1) 0) + (list 0 (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 0) 0) + (list 0 (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 1) 0))) + + (run-tests + (lambda (a b c d) + (string-append "fixnum-bit + 1 bits starting at " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list 0 0 (+ fixnum-bit 1) 0) + (list 0 1 (+ fixnum-bit 2) 0) + (list 0 2 (+ fixnum-bit 3) 0) + (list 0 (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -1) 0) + (list 0 (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit 0) 0) + (list 0 (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 1) 0) + (list 0 (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 2) 0)))) + + (with-test-prefix "extract from fixnum-max" + + (run-tests + (lambda (a b c d) + (string-append "single bit " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list fixnum-max 0 1 1) + (list fixnum-max 1 2 1) + (list fixnum-max (+ fixnum-bit -2) (+ fixnum-bit -1) 1) + (list fixnum-max (+ fixnum-bit -1) (+ fixnum-bit 0) 0) + (list fixnum-max (+ fixnum-bit 0) (+ fixnum-bit 1) 0) + (list fixnum-max (+ fixnum-bit 1) (+ fixnum-bit 2) 0))) + + (run-tests + (lambda (a b c d) + (string-append "fixnum-bit - 1 bits starting at " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list fixnum-max 0 (+ fixnum-bit -1) (ash fixnum-max 0)) + (list fixnum-max 1 (+ fixnum-bit 0) (ash fixnum-max -1)) + (list fixnum-max 2 (+ fixnum-bit 1) (ash fixnum-max -2)) + (list fixnum-max (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -3) 1) + (list fixnum-max (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -2) 0) + (list fixnum-max (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit -1) 0) + (list fixnum-max (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 0) 0))) + + (run-tests + (lambda (a b c d) + (string-append "fixnum-bit bits starting at " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list fixnum-max 0 (+ fixnum-bit 0) (ash fixnum-max 0)) + (list fixnum-max 1 (+ fixnum-bit 1) (ash fixnum-max -1)) + (list fixnum-max 2 (+ fixnum-bit 2) (ash fixnum-max -2)) + (list fixnum-max (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -2) 1) + (list fixnum-max (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -1) 0) + (list fixnum-max (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 0) 0) + (list fixnum-max (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 1) 0))) + + (run-tests + (lambda (a b c d) + (string-append "fixnum-bit + 1 bits starting at " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list fixnum-max 0 (+ fixnum-bit 1) (ash fixnum-max 0)) + (list fixnum-max 1 (+ fixnum-bit 2) (ash fixnum-max -1)) + (list fixnum-max 2 (+ fixnum-bit 3) (ash fixnum-max -2)) + (list fixnum-max (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -1) 1) + (list fixnum-max (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit 0) 0) + (list fixnum-max (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 1) 0) + (list fixnum-max (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 2) 0)))) + + (with-test-prefix "extract from fixnum-max + 1" + + (run-tests + (lambda (a b c d) + (string-append "single bit " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list (+ fixnum-max 1) 0 1 0) + (list (+ fixnum-max 1) 1 2 0) + (list (+ fixnum-max 1) (+ fixnum-bit -2) (+ fixnum-bit -1) 0) + (list (+ fixnum-max 1) (+ fixnum-bit -1) (+ fixnum-bit 0) 1) + (list (+ fixnum-max 1) (+ fixnum-bit 0) (+ fixnum-bit 1) 0) + (list (+ fixnum-max 1) (+ fixnum-bit 1) (+ fixnum-bit 2) 0))) + + (run-tests + (lambda (a b c d) + (string-append "fixnum-bit - 1 bits starting at " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list (+ fixnum-max 1) 0 (+ fixnum-bit -1) (ash 0 (- fixnum-bit 1))) + (list (+ fixnum-max 1) 1 (+ fixnum-bit 0) (ash 1 (- fixnum-bit 2))) + (list (+ fixnum-max 1) 2 (+ fixnum-bit 1) (ash 1 (- fixnum-bit 3))) + (list (+ fixnum-max 1) (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -3) 2) + (list (+ fixnum-max 1) (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -2) 1) + (list (+ fixnum-max 1) (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit -1) 0) + (list (+ fixnum-max 1) (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 0) 0))) + + (run-tests + (lambda (a b c d) + (string-append "fixnum-bit bits starting at " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list (+ fixnum-max 1) 0 (+ fixnum-bit 0) (ash 1 (- fixnum-bit 1))) + (list (+ fixnum-max 1) 1 (+ fixnum-bit 1) (ash 1 (- fixnum-bit 2))) + (list (+ fixnum-max 1) 2 (+ fixnum-bit 2) (ash 1 (- fixnum-bit 3))) + (list (+ fixnum-max 1) (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -2) 2) + (list (+ fixnum-max 1) (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -1) 1) + (list (+ fixnum-max 1) (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 0) 0) + (list (+ fixnum-max 1) (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 1) 0))) + + (run-tests + (lambda (a b c d) + (string-append "fixnum-bit + 1 bits starting at " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list (+ fixnum-max 1) 0 (+ fixnum-bit 1) (ash 1 (- fixnum-bit 1))) + (list (+ fixnum-max 1) 1 (+ fixnum-bit 2) (ash 1 (- fixnum-bit 2))) + (list (+ fixnum-max 1) 2 (+ fixnum-bit 3) (ash 1 (- fixnum-bit 3))) + (list (+ fixnum-max 1) (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -1) 2) + (list (+ fixnum-max 1) (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit 0) 1) + (list (+ fixnum-max 1) (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 1) 0) + (list (+ fixnum-max 1) (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 2) 0)))) + + (with-test-prefix "extract from fixnum-min" + + (run-tests + (lambda (a b c d) + (string-append "single bit " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list fixnum-min 0 1 0) + (list fixnum-min 1 2 0) + (list fixnum-min (+ fixnum-bit -2) (+ fixnum-bit -1) 0) + (list fixnum-min (+ fixnum-bit -1) (+ fixnum-bit 0) 1) + (list fixnum-min (+ fixnum-bit 0) (+ fixnum-bit 1) 1) + (list fixnum-min (+ fixnum-bit 1) (+ fixnum-bit 2) 1))) + + (run-tests + (lambda (a b c d) + (string-append "fixnum-bit - 1 bits starting at " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list fixnum-min 0 (+ fixnum-bit -1) (ash 0 (- fixnum-bit 1))) + (list fixnum-min 1 (+ fixnum-bit 0) (ash 1 (- fixnum-bit 2))) + (list fixnum-min 2 (+ fixnum-bit 1) (ash 3 (- fixnum-bit 3))) + (list fixnum-min (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -3) (- (ash 1 (- fixnum-bit 1)) 2)) + (list fixnum-min (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -2) (- (ash 1 (- fixnum-bit 1)) 1)) + (list fixnum-min (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit -1) (- (ash 1 (- fixnum-bit 1)) 1)) + (list fixnum-min (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 0) (- (ash 1 (- fixnum-bit 1)) 1)))) + + (run-tests + (lambda (a b c d) + (string-append "fixnum-bit bits starting at " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list fixnum-min 0 (+ fixnum-bit 0) (ash 1 (- fixnum-bit 1))) + (list fixnum-min 1 (+ fixnum-bit 1) (ash 3 (- fixnum-bit 2))) + (list fixnum-min 2 (+ fixnum-bit 2) (ash 7 (- fixnum-bit 3))) + (list fixnum-min (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -2) (- (ash 1 fixnum-bit) 2)) + (list fixnum-min (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -1) (- (ash 1 fixnum-bit) 1)) + (list fixnum-min (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 0) (- (ash 1 fixnum-bit) 1)) + (list fixnum-min (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 1) (- (ash 1 fixnum-bit) 1)))) + + (run-tests + (lambda (a b c d) + (string-append "fixnum-bit + 1 bits starting at " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list fixnum-min 0 (+ fixnum-bit 1) (ash 3 (- fixnum-bit 1))) + (list fixnum-min 1 (+ fixnum-bit 2) (ash 7 (- fixnum-bit 2))) + (list fixnum-min 2 (+ fixnum-bit 3) (ash 15 (- fixnum-bit 3))) + (list fixnum-min (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -1) (- (ash 1 (+ fixnum-bit 1)) 2)) + (list fixnum-min (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit 0) (- (ash 1 (+ fixnum-bit 1)) 1)) + (list fixnum-min (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 1) (- (ash 1 (+ fixnum-bit 1)) 1)) + (list fixnum-min (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 2) (- (ash 1 (+ fixnum-bit 1)) 1))))) + + (with-test-prefix "extract from fixnum-min - 1" + + (run-tests + (lambda (a b c d) + (string-append "single bit " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list (- fixnum-min 1) 0 1 1) + (list (- fixnum-min 1) 1 2 1) + (list (- fixnum-min 1) (+ fixnum-bit -2) (+ fixnum-bit -1) 1) + (list (- fixnum-min 1) (+ fixnum-bit -1) (+ fixnum-bit 0) 0) + (list (- fixnum-min 1) (+ fixnum-bit 0) (+ fixnum-bit 1) 1) + (list (- fixnum-min 1) (+ fixnum-bit 1) (+ fixnum-bit 2) 1))) + + (run-tests + (lambda (a b c d) + (string-append "fixnum-bit - 1 bits starting at " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list (- fixnum-min 1) 0 (+ fixnum-bit -1) (- (ash 1 (- fixnum-bit 1)) 1 (ash 0 (- fixnum-bit 1)))) + (list (- fixnum-min 1) 1 (+ fixnum-bit 0) (- (ash 1 (- fixnum-bit 1)) 1 (ash 1 (- fixnum-bit 2)))) + (list (- fixnum-min 1) 2 (+ fixnum-bit 1) (- (ash 1 (- fixnum-bit 1)) 1 (ash 1 (- fixnum-bit 3)))) + (list (- fixnum-min 1) (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -3) (- (ash 1 (- fixnum-bit 1)) 3)) + (list (- fixnum-min 1) (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -2) (- (ash 1 (- fixnum-bit 1)) 2)) + (list (- fixnum-min 1) (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit -1) (- (ash 1 (- fixnum-bit 1)) 1)) + (list (- fixnum-min 1) (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 0) (- (ash 1 (- fixnum-bit 1)) 1)))) + + (run-tests + (lambda (a b c d) + (string-append "fixnum-bit bits starting at " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list (- fixnum-min 1) 0 (+ fixnum-bit 0) (- (ash 1 fixnum-bit) 1 (ash 1 (- fixnum-bit 1)))) + (list (- fixnum-min 1) 1 (+ fixnum-bit 1) (- (ash 1 fixnum-bit) 1 (ash 1 (- fixnum-bit 2)))) + (list (- fixnum-min 1) 2 (+ fixnum-bit 2) (- (ash 1 fixnum-bit) 1 (ash 1 (- fixnum-bit 3)))) + (list (- fixnum-min 1) (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -2) (- (ash 1 fixnum-bit) 3)) + (list (- fixnum-min 1) (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -1) (- (ash 1 fixnum-bit) 2)) + (list (- fixnum-min 1) (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 0) (- (ash 1 fixnum-bit) 1)) + (list (- fixnum-min 1) (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 1) (- (ash 1 fixnum-bit) 1)))) + + (run-tests + (lambda (a b c d) + (string-append "fixnum-bit + 1 bits starting at " (number->string b))) + (lambda (a b c d) + (= (bit-extract a b c) d)) + (list + (list (- fixnum-min 1) 0 (+ fixnum-bit 1) (- (ash 1 (+ fixnum-bit 1)) 1 (ash 1 (- fixnum-bit 1)))) + (list (- fixnum-min 1) 1 (+ fixnum-bit 2) (- (ash 1 (+ fixnum-bit 1)) 1 (ash 1 (- fixnum-bit 2)))) + (list (- fixnum-min 1) 2 (+ fixnum-bit 3) (- (ash 1 (+ fixnum-bit 1)) 1 (ash 1 (- fixnum-bit 3)))) + (list (- fixnum-min 1) (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -1) (- (ash 1 (+ fixnum-bit 1)) 3)) + (list (- fixnum-min 1) (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit 0) (- (ash 1 (+ fixnum-bit 1)) 2)) + (list (- fixnum-min 1) (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 1) (- (ash 1 (+ fixnum-bit 1)) 1)) + (list (- fixnum-min 1) (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 2) (- (ash 1 (+ fixnum-bit 1)) 1)))))) |