chiark - git - mdw - mLib/blob - bits.c

   1 /* -*-c-*-
   2  *
   3  * $Id: bits.c,v 1.4 2004/04/08 01:36:11 mdw Exp $
   4  *
   5  * Test rig for bits header
   6  *
   7  * (c) 2000 Straylight/Edgeware
   8  */
   9
  10 /*----- Licensing notice --------------------------------------------------*
  11  *
  12  * This file is part of the mLib utilities library.
  13  *
  14  * mLib is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU Library General Public License as
  16  * published by the Free Software Foundation; either version 2 of the
  17  * License, or (at your option) any later version.
  18  *
  19  * mLib is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU Library General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU Library General Public
  25  * License along with mLib; if not, write to the Free
  26  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  27  * MA 02111-1307, USA.
  28  */
  29
  30 /*----- Header files ------------------------------------------------------*/
  31
  32 #include "bits.h"
  33 #include "testrig.h"
  34
  35 /*----- Main code ---------------------------------------------------------*/
  36
  37 #define TSHIFT(OP)                                                      \
  38                                                                         \
  39 static int t##OP(dstr *v)                                               \
  40 {                                                                       \
  41   kludge64 x, xx, y;                                                    \
  42   unsigned s = *(unsigned *)v[1].buf;                                   \
  43   int ok = 1;                                                           \
  44                                                                         \
  45   LOAD64_(x, v[0].buf);                                                 \
  46   LOAD64_(xx, v[2].buf);                                                \
  47   y = x;                                                                \
  48   OP##64_(y, y, s);                                                     \
  49   if (CMP64(y, !=, xx)) {                                               \
  50     ok = 0;                                                             \
  51     fprintf(stderr,                                                     \
  52             "\nbad: %08x:%08x " #OP " %u != %08x:%08x [%08x:%08x]\n",   \
  53             HI64(x), LO64(x), s, HI64(y), LO64(y), HI64(xx), LO64(xx)); \
  54   }                                                                     \
  55   return (ok);                                                          \
  56 }
  57
  58 #define TARITH(OP)                                                      \
  59                                                                         \
  60 static int t##OP(dstr *v)                                               \
  61 {                                                                       \
  62   kludge64 x, y, xx, yy;                                                \
  63   int ok = 1;                                                           \
  64                                                                         \
  65   LOAD64_(x, v[0].buf);                                                 \
  66   LOAD64_(y, v[1].buf);                                                 \
  67   LOAD64_(xx, v[2].buf);                                                \
  68   yy = x;                                                               \
  69   OP##64(yy, yy, y);                                                    \
  70   if (CMP64(yy, !=, xx)) {                                              \
  71     ok = 0;                                                             \
  72     fprintf(stderr,                                                     \
  73             "\nbad: %08x:%08x " #OP " %08x:%08x != %08x:%08x "          \
  74             "[%08x:%08x]\n",                                            \
  75             HI64(x), LO64(x), HI64(y), LO64(y),                         \
  76             HI64(yy), LO64(yy), HI64(xx), LO64(xx));                    \
  77   }                                                                     \
  78   return (ok);                                                          \
  79 }
  80
  81 TSHIFT(LSL)
  82 TSHIFT(LSR)
  83 TSHIFT(ROL)
  84 TSHIFT(ROR)
  85 TARITH(ADD)
  86 TARITH(SUB)
  87
  88 static test_chunk tests[] = {
  89   { "lsl64", tLSL, { &type_hex, &type_int, &type_hex, 0 } },
  90   { "lsr64", tLSR, { &type_hex, &type_int, &type_hex, 0 } },
  91   { "rol64", tROL, { &type_hex, &type_int, &type_hex, 0 } },
  92   { "ror64", tROR, { &type_hex, &type_int, &type_hex, 0 } },
  93   { "add64", tADD, { &type_hex, &type_hex, &type_hex, 0 } },
  94   { "sub64", tSUB, { &type_hex, &type_hex, &type_hex, 0 } },
  95   { 0, 0, { 0 } }
  96 };
  97
  98 int main(int argc, char *argv[])
  99 {
 100   test_run(argc, argv, tests, SRCDIR "/bits.in");
 101   return (0);
 102 }
 103
 104 /*----- That's all, folks -------------------------------------------------*/