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-rw-r--r--test-suite/tests/bit-operations.test354
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diff --git a/test-suite/tests/bit-operations.test b/test-suite/tests/bit-operations.test
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--- a/test-suite/tests/bit-operations.test
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@@ -1,354 +0,0 @@
-;;;; bit-operations.test --- bitwise operations on numbers -*- scheme -*-
-;;;; Copyright (C) 2000, 2001 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)
- (not (not (object-documentation object))))
-
-(define fixnum-bit
- (inexact->exact (+ (/ (log (+ most-positive-fixnum 1)) (log 2)) 1)))
-
-(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))))))