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

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