File size: 7,430 Bytes
3dcad1f |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 |
;;; 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)))
|