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-rw-r--r--test-suite/ChangeLog4
-rw-r--r--test-suite/tests/bit-operations.test352
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))))))