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Diffstat (limited to 'test-suite/tests/r6rs-arithmetic-fixnums.test')
-rw-r--r-- | test-suite/tests/r6rs-arithmetic-fixnums.test | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/test-suite/tests/r6rs-arithmetic-fixnums.test b/test-suite/tests/r6rs-arithmetic-fixnums.test new file mode 100644 index 000000000..9f244722f --- /dev/null +++ b/test-suite/tests/r6rs-arithmetic-fixnums.test @@ -0,0 +1,214 @@ +;;; arithmetic-fixnums.test --- Test suite for R6RS (rnrs arithmetic bitwise) + +;; Copyright (C) 2010, 2011, 2013 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-r6rs-arithmetic-fixnums) + :use-module ((rnrs arithmetic fixnums) :version (6)) + :use-module ((rnrs conditions) :version (6)) + :use-module ((rnrs exceptions) :version (6)) + :use-module (test-suite lib)) + +(with-test-prefix "fixnum-width" + (pass-if-equal "consistent with least-fixnum" + (- (expt 2 (- (fixnum-width) 1))) + (least-fixnum)) + (pass-if-equal "consistent with greatest-fixnum" + (- (expt 2 (- (fixnum-width) 1)) 1) + (greatest-fixnum))) + +(with-test-prefix "fixnum?" + (pass-if "fixnum? is #t for fixnums" (fixnum? 0)) + + (pass-if "fixnum? is #f for non-fixnums" (not (fixnum? 'foo))) + + (pass-if "fixnum? is #f for non-fixnum numbers" + (and (not (fixnum? 1.0)) (not (fixnum? (+ (greatest-fixnum) 1)))))) + +(with-test-prefix "fx=?" + (pass-if "fx=? is #t for eqv inputs" (fx=? 3 3 3)) + + (pass-if "fx=? is #f for non-eqv inputs" (not (fx=? 1 2 3)))) + +(with-test-prefix "fx>?" + (pass-if "fx>? is #t for monotonically > inputs" (fx>? 3 2 1)) + + (pass-if "fx>? is #f for non-monotonically > inputs" (not (fx>? 1 2 3)))) + +(with-test-prefix "fx<?" + (pass-if "fx<? is #t for monotonically < inputs" (fx<? 1 2 3)) + + (pass-if "fx<? is #t for non-monotonically < inputs" (not (fx<? 3 2 1)))) + +(with-test-prefix "fx>=?" + (pass-if "fx>=? is #t for monotonically > or = inputs" (fx>=? 3 2 2 1)) + + (pass-if "fx>=? is #f for non-monotonically > or = inputs" + (not (fx>=? 1 2 3)))) + +(with-test-prefix "fx<=?" + (pass-if "fx<=? is #t for monotonically < or = inputs" (fx<=? 1 2 2 3)) + + (pass-if "fx<=? is #f for non-monotonically < or = inputs" + (not (fx<=? 3 2 1)))) + +(with-test-prefix "fxzero?" + (pass-if "fxzero? is #t for zero" (fxzero? 0)) + + (pass-if "fxzero? is #f for non-zero fixnums" + (and (not (fxzero? 1)) (not (fxzero? -1))))) + +(with-test-prefix "fxpositive?" + (pass-if "fxpositive? is #t for positive fixnums" (fxpositive? 1)) + + (pass-if "fxpositive? is #f for non-positive fixnums" + (and (not (fxpositive? -1)) + (not (fxpositive? 0))))) + +(with-test-prefix "fxnegative?" + (pass-if "fxnegative? is #t for negative fixnums" (fxnegative? -1)) + + (pass-if "fxnegative? is #f for non-negative fixnums" + (and (not (fxnegative? 1)) + (not (fxnegative? 0))))) + +(with-test-prefix "fxodd?" + (pass-if "fxodd? is #t for odd fixnums" (fxodd? 1)) + + (pass-if "fxodd? is #f for even fixnums" (not (fxodd? 2)))) + +(with-test-prefix "fxeven?" + (pass-if "fxeven? is #t for even fixnums" (fxeven? 2)) + + (pass-if "fxeven? is #f for odd fixnums" (not (fxeven? 1)))) + +(with-test-prefix "fxmax" (pass-if "simple" (fx=? (fxmax 1 3 2) 3))) + +(with-test-prefix "fxmin" (pass-if "simple" (fx=? (fxmin -1 0 2) -1))) + +(with-test-prefix "fx+" + (pass-if "simple" (fx=? (fx+ 1 2) 3)) + + (pass-if "&implementation-restriction on non-fixnum result" + (guard (condition ((implementation-restriction-violation? condition) #t) + (else #f)) + (begin (fx+ (greatest-fixnum) 1) #f)))) + +(with-test-prefix "fx*" + (pass-if "simple" (fx=? (fx* 2 3) 6)) + + (pass-if "&implementation-restriction on non-fixnum result" + (guard (condition ((implementation-restriction-violation? condition) #t) + (else #f)) + (begin (fx* (greatest-fixnum) 2) #f)))) + +(with-test-prefix "fx-" + (pass-if "unary fx- negates argument" (fx=? (fx- 1) -1)) + + (pass-if "simple" (fx=? (fx- 3 2) 1)) + + (pass-if "&assertion on non-fixnum result" + (guard (condition ((assertion-violation? condition) #t) (else #f)) + (fx- (least-fixnum) 1)))) + +(with-test-prefix "fxdiv-and-mod" + (pass-if "simple" + (call-with-values (lambda () (fxdiv-and-mod 123 10)) + (lambda (d m) + (and (fx=? d 12) (fx=? m 3)))))) + +(with-test-prefix "fxdiv" (pass-if "simple" (fx=? (fxdiv -123 10) -13))) +(with-test-prefix "fxmod" (pass-if "simple" (fx=? (fxmod -123 10) 7))) + +(with-test-prefix "fxdiv0-and-mod0" + (pass-if "simple" + (call-with-values (lambda () (fxdiv0-and-mod0 -123 10)) + (lambda (d m) + (and (fx=? d -12) (fx=? m -3)))))) + +(with-test-prefix "fxdiv0" (pass-if "simple" (fx=? (fxdiv0 -123 10) -12))) +(with-test-prefix "fxmod0" (pass-if "simple" (fx=? (fxmod0 -123 10) -3))) + + +;; Without working div and mod implementations and without any example results +;; from the spec, I have no idea what the results of these functions should +;; be. -juliang +;; UPDATE: div and mod implementations are now working properly -mhw + +(with-test-prefix "fx+/carry" (pass-if "simple" (throw 'unresolved))) + +(with-test-prefix "fx-/carry" (pass-if "simple" (throw 'unresolved))) + +(with-test-prefix "fx*/carry" (pass-if "simple" (throw 'unresolved))) + +(with-test-prefix "fxnot" (pass-if "simple" (fx=? (fxnot 3) -4))) + +(with-test-prefix "fxand" (pass-if "simple" (fx=? (fxand 5 6) 4))) + +(with-test-prefix "fxior" (pass-if "simple" (fx=? (fxior 2 4) 6))) + +(with-test-prefix "fxxor" (pass-if "simple" (fx=? (fxxor 5 4) 1))) + +(with-test-prefix "fxif" (pass-if "simple" (fx=? (fxif 5 3 4) 1))) + +(with-test-prefix "fxbit-count" + (pass-if "simple" (fx=? (fxbit-count 5) 2)) + (pass-if "negative" (fx=? (fxbit-count -5) -2))) + +(with-test-prefix "fxlength" (pass-if "simple" (fx=? (fxlength 5) 3))) + +(with-test-prefix "fxfirst-bit-set" + (pass-if "simple" + (and (eqv? (fxfirst-bit-set 1) 0) + (eqv? (fxfirst-bit-set -4) 2))) + + (pass-if "fxfirst-bit-set is -1 on zero" + (and (eqv? (fxfirst-bit-set 0) -1)))) + +(with-test-prefix "fxbit-set?" + (pass-if "fxbit-set? is #t on index of set bit" (fxbit-set? 5 2)) + + (pass-if "fxbit-set? is #f on index of unset bit" (not (fxbit-set? 5 1)))) + +(with-test-prefix "fxcopy-bit" (pass-if "simple" (fx=? (fxcopy-bit 2 2 1) 6))) + +(with-test-prefix "fxbit-field" + (pass-if "simple" (fx=? (fxbit-field 50 1 4) 1))) + +(with-test-prefix "fxcopy-bit-field" + (pass-if "simple" (fx=? (fxcopy-bit-field 255 2 6 10) 235))) + +(with-test-prefix "fxarithmetic-shift" + (pass-if "simple" + (and (fx=? (fxarithmetic-shift -6 -1) -3) + (fx=? (fxarithmetic-shift -5 -1) -3) + (fx=? (fxarithmetic-shift -4 -1) -2) + (fx=? (fxarithmetic-shift -3 -1) -2) + (fx=? (fxarithmetic-shift -2 -1) -1) + (fx=? (fxarithmetic-shift -1 -1) -1)))) + +(with-test-prefix "fxarithmetic-shift-left" + (pass-if "simple" (fx=? (fxarithmetic-shift-left -6 1) -12))) + +(with-test-prefix "fxarithmetic-shift-right" + (pass-if "simple" (fx=? (fxarithmetic-shift-right -6 1) -3))) + +(with-test-prefix "fxrotate-bit-field" + (pass-if "simple" (fx=? (fxrotate-bit-field 227 2 6 2) 203))) + +(with-test-prefix "fxreverse-bit-field" + (pass-if "simple" (fx=? (fxreverse-bit-field 82 1 4) 88))) |